BMW 325i (2003) manual

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010-2 How to Us e T h i s M a n u a l WA RN I NG! Yo ur co mmo n sense and go od judg ment are cru cial to sa fe and su cc es sfu l se rvice wo rk . Re ad pro cedu res t hro ug h b efo re start in g them. T h in k abo u t w hether the co nd it ion of yo ur ca r, yo ur l ev el of me chani ca l skill, o r yo ur leve l of re adi n g co mprehensio n mi[...]

ELE EL ECT RI CA L WIR I NG DI A GRA M S OBD O N BOA RD DI A G NOST I CS 0 GENERA L DA T A A ND M A I NT ENA NC E cov ers g en era l v eh icl e inf orma t ion (Re p ai r G rou p 010 ) as well as th e recomme n d ed maint enan ce sch edu l es and serv ice procedu r es to p erform BM W sch ed u l ed mai n ten an ce wo rk (Repair G roup 020 ) . T h e [...]

the w o rk or b y in cr eas ed risk o f ac cid ent or me chani ca l failure wh i le drivin g . CA UTI ON! A cau tion calls attention to impor tant prec au tions to b e o b ser ved d u rin g the repair wor k th at wi l l h elp p re vent ac cid entally dama ging the car or i ts parts . No te: A note con t ains helpful i nformation, ti ps that w i l l[...]

sho rts, spark s, b u rns, or dama ge to the elec trical sy stem wh en acc id entally co ntacting the b atte ry or ot her elec trical ter min als. Disc onnect the b atter y n eg ative (–) ca b l e wh enev er w o rking o n o r n ear the f u el sys tem o r anythin g th at is elec trically power ed. A ccidental elec t rica l co ntact ma y dama ge th[...]

and any o p en flame away fro m the top of the b atte ry . Hy dro gen g as em i tted by th e battery is hi g hl y flamm ab le. A ny n ea rby so u rc e of i g n i tion may ca us e th e batter y to ex p l o d e. Ne ver l ay too l s o r p ar ts in the eng i ne co mpar tme n t o r o n top o f the batter y. T hey ma y fall in to co nfi n ed space s and [...]

010-3 Getti n g Sta rted M ost of th e n ece ssary mai n t enan ce and minor repair th at an au t omo b ile will n ee d can b e d on e wi t h ord inary t oo l s. Below is some import ant in f orma t ion on h ow t o wo rk safel y, a d iscu ssion of what t ools will b e n eeded an d h ow to u se th em. Sa fety A l th oug h an aut omobile p resents ma[...]

points. Watch th e jack clos ely. Mak e su re i t stay s sta b le and doe s not shift o r til t. A s th e ca r i s ra ised, it ma y ro ll slightly and t he j ac k ma y shi ft. Raising car safely - Park car on f l at, l ev el su rf ace . - I f ch ang ing a t ire , l oo sen l u g b olt s b efore rasing car. S ee Chang in g a t ire . Pl ace j ack in t[...]

Work ing under c a r s a fely - Di scon n ect n eg ativ e (–) cab l e f rom b attery so t h at n o on e can start car. Let oth ers kn ow what you will b e d oing . CA UTI ON! Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o f th is ma n u al on p ag e vii i . - Ra ise car sl owly[...]

- Lo wer car sl ow l y u n t il its wei g h t is fu l l y su p p orted b y j ack stan d s. Watch t o make su re t h at th e j ack stand s d o n ot t ip or l ea n as t h e car settl es on th em. - Ob serv e all j acki n g p reca u t io n s again when rai sin g car to remov e j ack stan d s. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s [...]

010-4 A dv i ce f or th e Begi n n er T h e tip s in th e p aragraph s th at f oll ow are g eneral advi ce t o h el p any d o-it-yoursel f BM W owner p erform rep air s an d mai n ten ance t asks more ea sil y an d more p rofessi onal l y. P l anning a hea d T o p rev ent g etting in too d eep, kn ow what th e whol e j ob req u ires bef ore st arti[...]

M an y f asteners u sed on t h e cars cov er ed b y th is manu al mu st b e re p l aced wi th n ew ones once t h ey are remo v ed. These incl u d e b u t are n ot l imited to: b ol t s, n u t s ( self -l ocking , n yl ock, etc. ), cotter p ins, st u d s, b rake fitt in g s, rol l p in s, cl ip s an d wa sh ers. G en u in e BM W p arts sh ou l d b e[...]

va lue s l i ste d i n th e tabl e ar e not in tended to b e u se d as a su b stitu te for t o rqu es spec i fi ca l l y ca l l ed ou t i n t he tex t. No te: Metri c bol t cl asse s or gra des are marke d on the bo l t hea d. Do not con f use w ren ch si z e w i th bolt diameter. F or a l i sti ng of t he common w re nch es use d on various bo l t[...]

Some g askets—su ch as h ea d g askets—a re d irectio n al . M ake su re t h at th ese are inst al l ed corre ct l y. This same l ogic ap p l ies to any p art u sed f or sea l ing , incl u d in g ru b b er O-rin g s and cop p er sealin g wash ers. I n p l ace s w h ere a sh aft mu st p ass th roug h a h ousin g , fl ex ib l e l ip sea l s are u[...]

swi tch is “open ” wh en th e circuit is int erru p ted , an d “cl osed” when t h e circu it is compl eted . See 60 0 El ectrica l Syst em– Gen eral for el ectrica l trou b l esh oo tin g . W ire re pa irs Re p air s t o a wir ing h arn ess req u ire specia l care t o make t h e rep ai r p ermanen t . The wi re end s mu st b e cl ean. If [...]

010-5 Bu yi n g Pa rts M any of t h e ma in ten ance an d repair tasks in t h is man u al cal l for th e inst all at io n of n ew part s, or th e u se of n ew g aske t s an d oth er materia l s wh en rei n st al l in g p arts. M ost oft en, t h e p art s th at wi l l b e n ee d ed sh ou l d b e on h an d b efore b eginn in g t h e j ob . Rea d th e[...]

BM W is con stan tl y u p d atin g an d improv ing t h eir ca rs, oft en making improv eme n ts d u ring a g iv en model yea r. BM W may recomme n d a newe r, improv ed p art as a repl ace m ent, and your aut h orize d d ealer’s p arts d epartmen t will kn ow abou t it and p rov id e it. The BM W p arts organ izatio n is b est eq u ip p ed t o d [...]

of th e wa rrant y reca l l s are ap p l icabl e t o your car. The l abel on th e d riv er’s d oor b elow th e d oo r l at ch will sp ecify th e mont h an d year th at th e car wa s b u il t . V ehicl e Iden tificatio n Nu mb er (V IN ). T h is is a combin atio n of l ett ers an d n u mb ers t h at iden t ify t h e p articu l ar car. T h e V I N [...]

010-7 T ool s M ost maint en ance can b e acco mp l ished wi t h a smal l selection of th e rig h t tools. To ol s rang e in q u al ity from in ex p ensiv e j u n k, wh ich may b rea k at f i rst u se, t o v ery ex pen siv e and well -mad e tools f or th e p rofessi onal. The b est tools for most d o-i t -you rself BM W owners l ie some wh ere in b[...]

h t tp : / /www . sp tool.com Zel end a M ach ine an d Too l Cor p . 65 -60 A u st in St ree t, Forest Hill s, NY 11 37 4-46 95 71 8-8 96-2 288 h t tp : / /www . zel end a. com B a sic tool re quirem ents T h e b asi c h and t oo l s d escri b ed b el ow can b e u sed t o accom p l ish most of th e simpl e maint en ance an d repair tasks. Screw d r[...]

Socke t s. Sockets are u sed wi th a ratch et h and l e for sp eed and conv en ience and can b e combin ed with ex t ension s and u n iv ersa l j oi n t s (swi ve l s) to rea ch f asteners more ea sil y. The most commo n d riv e sizes are 1/4 in. , 3/8 in . , and 1/2 in . Socke t s come in 6-p oi n t and 12 -p oi n t styl es. The 6-poin t offers a [...]

h old ing irregu l ar obj ects, b end ing , or crimpin g . Some h av e sp eci al app l ica tions. Ne ed l en ose p l ie rs are u sed f or g rip p ing small an d p oo rl y acce ssib l e ob j ects, and are u sefu l for w iri n g and oth er electrical wo rk. Lo cking p l ie rs su ch as th e V ise-Grip® are u sefu l b eca u se of th eir tig h t g rip.[...]

to su p port th e car fo r a long p er iod. A l w ay s us e jack stands to s u p p or t a ra i sed ve hi cle. Jack stan d s are av ai l ab l e in sev eral styl es. The b est ones are made of h ea v y materia l f or st reng th , h av e a wi d e b ase f or stab il ity, and are equ ip p ed t o p ositiv el y l ock in t h eir rai sed p osi tions. G et t[...]

repair pr oce d u res in t h is man u al incl u d e BM W -sp eci fied t orqu e v alu es in Ne wton -meters (Nm) and t h e equ iv alen t v alu es in f oot-p oun d s (ft -l b ) . Sev eral typ es of t orq u e wrench es are av ailab l e. A n inex p en siv e b ea m-typ e (top ) is ad equ ate b u t m u st b e read v isual l y. A ra t ch et-typ e (b ottom[...]

CA UTI ON! Vehicle electr onic sys tems may be dama ge d by th e h igh cu rrent draw of a tes t li ght w it h a nor ma l in ca nd es ce n t b ulb. A s a ge n era l ru le, u se a hi gh i mpedance d igital mu lti met er or an LED test li ght for all elec trical testing. B M W s pe c ia l tools M any repairs cov er ed in t h is man u al call for th e [...]

010-8 Em ergen c i es Changing a tire - Stop car on as fl at a su rf ace as p ossi b l e, in a p l ace where you can b e ea sily see n b y oth er d riv er s. A v oi d stop p in g j u st ov er t h e crest of a h il l . - T u r n on eme rg ency f l ash ers, an d set ou t fl are s or emergen cy marke rs we l l b eh ind car. Ch ock wheel ( wheel ch ock[...]

remo v e whee l n u t s and wh ee l . - I n stal l sp are whee l . Inst all wh eel n u t s an d tig h t en th em h an d tig h t u sing l u g n u t w rench . - Lo wer car. W ith all wh eels on g roun d , f u l l y t igh t en n u t s in a crisscro ss p att ern. T orqu e wh eel n u t s wh en in stal l in g wheel. Check inf l atio n p ressure of sp are[...]

th e rear of t h is man u al f or d ia g n ostic code rea d in g p roce d u res. J um p st arting Ca rs with d isch arg ed or d ead b atteries can b e j u m p -started u sing t h e g ood b attery f rom an oth er car. W h en j u mp -st arting th e en g ine, al wa ys n ote th e f ol l ow ing warning s. WA RN I NG! B atter y a cid (electr olyte ) can [...]

other. - T u rn off en g in e of car with g ood b at tery. - T u rn off ig n ition switch of car wi th d isch arg ed b attery. Co n n ect on e end of p ositiv e (+) cabl e to p ositiv e (+) p ost of g oo d b attery. Re mov e cov er from t h e p ositiv e (+) j u n ct ion p ost ( A ) i n eng ine compartmen t and con n ect oth er en d of th e p osi t [...]

M any of t h e v ehicl e syst ems a re self -monitored b oth st atica l l y an d d yn amica l l y wh il e d riv ing . Gen era l l y, a red wa rn in g l amp th at comes on d u rin g d riv ing sh ou l d b e consid ered seri ous. I f you can n ot immediately d etermine th e seri ou sn ess of th e wa rn ing l ig h t , st op th e v eh icl e in a safe p [...]

b u mp er. No te: A t ow i ng eye i s pro vi ded i n t he l ugg ag e comp artment t ool ki t. T he tow i ng eye can be scre w e d i nto the front or rea r bu mper. I n stal l towi n g eye in to t h readed h ol e. - Stan d ard t ransmission: A max imu m towi n g d istance of 20 miles is accept abl e wi t h th e rea r wheels on th e g roun d and t h [...]

ATF dra i ni ng an d f i l l i ng i s covere d i n 24 0 Au t oma t i c Transmissi on . Be sure t o rea d t he fi l l i ng and dra i ni ng pro cedu r e, as special service eq ui pmen t i s req ui red to che ck the fl uid l eve l . Drivesha f t remova l i s covere d i n 260 Dri vesh aft . Spare parts k it Ca rryin g a b asic set of sp are p arts can [...]

Spare p art s kit – add iti o nal contents Ex t eri or l igh t in g b u l b s (h ea d l ig h t , b rake l igh t, tu r n sign al, an d taill ig h t) Wip er b l ad es Brake f l u id (n ew u n open ed b ottl e, D O T 4 sp ecifica t ion) M ai n relay f or DM E syst em Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Gen eral h t[...]

020-1 Gen era l T h e inf orma tion g iv en in t h is rep ai r g roup in cl u d es th e rou tin e ch ecks and mai n t en an ce step s t h at are b oth requ ired b y BM W u n d er t h e t erms of th e v eh icl e wa rrant y p rotectio n an d reco mmen d ed b y BM W to en su re l on g and reliab l e v ehicl e op eratio n . No te: Asi de f rom kee pi n[...]

mid-200 0 mod els BM W in t rod u ced n ew serv ice int erv al software wh ich calcu l at es serv ice b ase d on th e amo u n t of fu el u sed . W h en SI I d etects total f u el con su mp tion th at eq u al s t h e p rese t l imits (in g al l ons), t h e inst ru men t cl u st er ind icate s t h at serv ice is requ ired. Usi n g a 32 8i as an ex a [...]

Se rvice Interval Indica tor (SII), resett i ng T h e SI I sign als t h e n eed f or b asi c rout ine maint en ance: En g ine oi l an d oi l f il ter ch an g e, after t h e eng ine h as b ee n warmed u p . BM W-recomme n d ed ad d itio n al mai n t en an ce as listed in Tabl e a . No te: For referen ce, the BMW oil servi ce req uiremen ts are app r[...]

A ft ermarke t r ese t t ools th at can rese t all mod els wi th t h e DL C can b e p u rch ased from on e of t h e f ol l owi n g su p p l ie rs: A ssenm acher Sp ecia l ty To ol s 64 40 Od ell Pl ace , Boul d er, C O 80 30 1 30 3-5 30-2 424 h t tp : / /www . astt oo l .com Baum T oo l s Unl imited, I n c. P.O . Box 586 7, Saraso t a, FL 34 27 7-5[...]

Press bu t ton ag ai n and h ol d f or app rox . 5 second s u n t il " Rese t " or "Re" fl ash . Wh il e d isp l ay is f l ash ing , p ress b u t ton b rie f l y t o rese t SII . A ft er d isp l ay h as sh own n ew int erv al , t h e f oll ow ing will ap p ear in d isp l ay for app rox . 2 second s: "En d SI A ". T h e[...]

an d In spe ct i on I I req uir eme nts are ap proximatel y eq uival ent to t he maintena nce req uiremen t s that other Euro pea n ma nu facturers spe ci fy. I nspe ct i on I i s norma l l y du e at i ntervals w i t h a maxi mum of 30,00 0 m i l es or 24 mon t hs. In spe cti on I I i s no rmall y due at i nterva l s w i t h a maximum of 60,00 0 mi[...]

M a i n tenanc e T a bl e s T h e in terv als f or most t asks l isted in th e maint en ance t abl e b elow are d et ermi n ed b y th e SI I. Ex cept where n oted , th e mai n ten an ce items l isted ap p l y t o all model s and mod el years cov ered b y th is m anu al. The col u mn s on t h e righ t sid e of each tab l e g iv e q u ick-refe rence [...]

Tabl e b. I n spec ti on I se rvice M ai ntenance item To o ls re q ui red N ew p arts re qu ired Warm engi n e re q ui red De aler se rv i ce re comm end ed Addi ti on al re pair in fo rm ation Under ca r ma int enance Chan g e en g ine oi l an d fil ter. 020 Check t ransmission an d d ifferent ial(s) f or ex t ern al l eaks. 230 240 Check CV j oi[...]

Tabl e b. I n spec ti on I se rvice M ai ntenance item To o ls re qu ired Ne w parts re qu ired Warm engi n e re q ui red De al er ser vice re comm end ed A d di tio n al re pair i nfo rm ation cent eri n g h u b s (all oy wheels onl y). Check th ickn ess of p arki n g b rake l in ing s onl y wh en repl acing rear b rake p ads. Check op era tion of[...]

Tabl e b. I n spec ti on I se rvice M ai ntenance item To o ls re qu ired Ne w parts re qu ired Warm engi n e re q ui red De al er ser vice re comm end ed A d di tio n al re pair i nfo rm ation Check en g ine coo l ant system/h eater h ose conn ections f or l ea ks. Check coolan t l ev el and ant ifree ze p rotectio n l ev el. A d d coo l ant as n [...]

Tabl e b. I n spec ti on I se rvice M ai ntenance item To o ls re qu ired Ne w parts re qu ired Warm engi n e re q ui red De al er ser vice re comm end ed A d di tio n al re pair i nfo rm ation system. Check aim of wa sh er j ets an d ad j u st if n ecessa ry. Check con d itio n and fu n ction of seat b elt s. 720 V isu all y ex am in e all ai rb a[...]

Tabl e b. I n spec ti on I se rvice M ai ntenance item To o ls re qu ired Ne w parts re qu ired Warm engi n e re q ui red De al er ser vice re comm end ed A d di tio n al re pair i nfo rm ation Check b raking p erforma n ce, steeri n g , h eating , air cond itioner operatio n . Check manu al t ran smissi on and cl u t ch operatio n or aut oma t ic [...]

Tabl e c. I n spec tio n I I se rv ice M ai ntenance item To ol s re qu ired Ne w parts re q ui red Warm engi ne re qu ired De al er ser vice re comm end ed A d di tio n al re pair i nfo rm ation Spark p lu g ser vice Re p l ace spark p l u g s ev ery 10 0,000 mil es. 020 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. M ai n[...]

020-3 Fl u i d a n d Lu bri ca n t Speci f i ca ti on s T h e ill u st ratio n sh ows en g ine oil v iscosi t y (SA E g rade) v s. operating t emp era t u re rang e for t h e BM W en g in es cov ere d in t h is manu al . Fl u id an d l u b ricant cap acitie s and sp ecifica t io n s f or E46 cars are l isted in Ta b l e d . WA RN I NG! Th e us e of[...]

Tabl e d. F l ui d s and l ub ricants Fl ui d Approxi ma te ca pacity Specification ZF A 5S 32 5Z Co mp l ete refill : 9.0 liters (9.5 US q t. ) Oil an d fil t er ch ang e: 4.0 liters (4.2 US q t. ) BM W 83 22 9 40 7 80 7 (Ex x on LT 71 14 1) BM W 83 22 0 02 4 35 9 (T ex aco ET L 80 72 B) GM A 5S 36 0R GM A 5S 39 0R Differ enti al, fron t o r rea r[...]

u se d in t he manu al trans miss i on. Use o f su ch an oil co uld sho rte n the ser vice l ife o f th e tra nsmiss i o n . B r a ke fluid Brake f l u id absorb s moistu re ea sily, and moi stu re in th e fl u id affect s b rake p erforma n ce and rel ia b il ity. This is wh y b rake f l u id sh ou l d b e fl u sh ed from t h e system ev ery t wo [...]

T h e p owe r steeri n g fl u id is Dex ron II I® A TF, or equ iv al ent . T h e system is p erma n en t l y fil l ed an d d oes n ot h av e a d rai n . Routin el y add in g A TF is n ot req u ired u n l ess t h e system is l ea kin g . T ra nsmi ss ion fluid, a uto m atic T h e aut omatic tran smissi on s in st all ed in th e E46 model s are f il[...]

020-4 En gi n e Oi l Se rv i ce With th e int rod u ct io n of syn t h etic oil and ex tend ed oil ch ang e int erv als, a n ew oil f i l t er wi th imp rov ed fil t er p ap er d esi g n wa s in trod u ced . The n ew fil ter p aper resists d et eri oratio n cau sed b y h igh oil temp eratu res ov e r an ex t end ed time. No te: Early styl e oil f i[...]

pu bl i cati on . If there i s an y dou bt ab out w ha t proce du res ap pl y t o a spe ci f i c mode l or mode l year, or w hat i ntervals shou l d be f oll ow ed , reme mber that an au t ho ri z ed BMW de al er ha s t he latest i nformati on on fact ory-re commen ded maintena nce. Engine oil, c hec ki ng le v el En g ine oi l l ev el is ch ecked [...]

q t. capacity), are described in 01 0 General . No te: I f using a " fast-l ube " servi ce faci l i t y for oil cha ng es, make sure t he t ech ni ci an ha nd-starts and t orq ue s t he eng i ne oi l dra i n plug using h and -tool s. Pow er tools can st ri p t he t hre ads of t he p l ug an d t he oi l pa n. - Run en g ine f or a f ew min[...]

CA UTI ON! Pu l l th e l o os e pl ug away fro m the hole quick l y to av oid bein g s calded by h o t oil. I t w il l ru n o u t q uic kly wh en t he p lug is rem ov ed . I f pos sib l e, us e g l ov es to p ro tec t yo ur hand s. - Wh en oi l f l ow h as d iminish ed to an occasio n al d rip, rei n stal l d rain p l u g with a n ew metal sealin g[...]

- Re f il l cran kcase wi t h oil. A p p rox imate oil capacity is l isted in T ab l e d . Use d ipst ick t o ch eck corre ct oi l l ev el. - Start en g in e an d ch eck t h at oil p ressure warnin g l ig h t imme d ia tel y g oe s ou t. - A l l ow eng in e t o ru n f or a few minu t es to circul ate n ew oil, th en ch eck for l eaks at d rai n p l[...]

020-5 En gi n e Com pa rtm en t M a i n ten a n ce T h e inf orma tion u n d er th is h ea d ing d escri b es rout ine mai n ten ance other th an oi l ch an g e d one in t h e en g in e compartmen t. I t is n ot n ece ssary f or th e car t o b e raise d an d su p p orted off th e g roun d . Informatio n on oil ch ang e is g iv en earlier in t h is [...]

mass ai r f l ow sen sor ( ar row ) int o retai n ing cl ip s in ai r f il ter u p p er h ousin g . Coo ling sys tem s e r v i ce Ro u t in e coo l ing syst em mainten ance consists of maint aining t h e coolant l ev el an d insp ecting h ose s. Beca u se th e coolan t 's ant i-corro sion and anti-f ree ze add itiv es g rad u all y l ose th ei[...]

ill u stration sh ows ex amp l es of d ama g e to coolan t h oses. A n y of cond itio n s sh ow n i s cause f or repl ace men t. (Co u r tesy of Gates R u b b er Comp any, I n c.) Engine driv e bel t s e rvice Dri ve b elt s and p u l l eys t ransf er p owe r from t h e eng ine cran ksh aft t o v ario u s acce ssorie s. E46 mod els u se t wo p oly-[...]

Simi l arl y, t u rn main eng ine d riv e b elt ten sio n er l u g ( B ) cl ockw ise and remov e b el t . WA RN I NG! Ob se rv e car e wh en replacing belts. Per so nal in jur y co u l d re su l t i f a tensio n er springs back i nto position u n co n tro l labl y. CA UTI ON! Mar k d rive belt ro tatio n di rec ti o n i f re mo vi ng and reu sing a[...]

OBD II en h an ced emi ssio n stan d ards requ ire th e eng in e cont rol mod u l e (ECM ) to monitor t h e ox yg en con ten t in th e ex h aust b oth b efore and aft er th e catalytic con v erter. This al l ow s f or tig h t er cont rol of th e tail p ip e emi ssions and al so all ows th e ECM to d ia g n ose conv erter p robl ems. I f t h e ECM d[...]

Park car on l ev el g rou n d wi t h eng in e off . Le v el is corre ct if it is b etwee n M I N and M AX marks on d ip stick. I f l ev el is b el ow M I N mark, st art eng in e an d ad d fl u id t o rese rv oi r to b rin g l ev el u p . Stop en g in e and rech eck l ev el. Ha n d -tig h t en reserv oir cap. Pow er stee ri ng fl u id Re commen d ed[...]

Re mov e p l astic t rim cov ers ( ar row s ). Re mov e cov er h ol d d own b ol t s. Re mov e ig n itio n coil g rou n d in g h arnesses ( ar row s ). Re mov e ig n itio n coils: Pu l l u p on sp ring cl ip s t o d isco n n ect ig n itio n coil h arn ess conn ectors. Re mov e coi l moun tin g b olt s. Re mov e coi l s. - Re mov e sp ark p l u g s.[...]

Be su re to reinst all coil g rou n d in g h arness. Spark p lu g rec o mme n d ation s Bosch FG R7 DQP NGK BKR6 EQUP Ti gh teni n g torqu e Sp ark p l u g t o cyl ind er h ead 25 Nm (18 f t -l b ) Ve ntilation m ic rofilter, repla c ing Working at cowl h ousing insid e eng in e compartmen t, twist microfilt er cov er retai n ers ( ar row s ) 90° [...]

020-6 Oth er M ech a n i ca l M a i n ten a n ce B a ttery , c he ck ing a nd cl e aning T h e b att ery is l oca ted in th e righ t side of th e l u g g ag e compartmen t. Simpl e mai n t en an ce of t h e b att ery and its terminal con n ections will ensu re max imu m startin g p erformance, especia l l y i n winter wh en col d er temp era t u re[...]

Clean m ai n ch assi s g rou n d terminal n ex t t o b att ery. Corro sio n can b e wa sh ed awa y with a b aki n g soda an d wa ter sol u tion th at wi l l n eu t ralize a cid . A p p l y solu t io n care fu l l y, t h oug h , sin ce it wi l l also n eu tral ize aci d in sid e b attery. Re con n ect cabl e cl amp s, p osi t i v e (+) cabl e f irst[...]

onl y. No te: The original eq ui pmen t battery i n E46 mod el s i s mai ntena nce free. T he original el ectrolyt e w i l l norma l l y l ast t he en t i re servi ce l i f e of the ba t tery un der mod erate cl i mate cond i t i ons. B a ttery , re pla ci ng T h e ori g in al equ ip men t BM W b at tery is equ ip p ed with a b u il t-in h yd rome [...]

d ama g ing t h e b att ery. No te: Al w a ys di sconn ect t he neg ati ve (-) cab l e f i rst, and con nect i t l ast . W hi l e chan gi ng t he battery, cl ean aw ay an y corro si on i n or aro un d the ba t tery tray. De si gn chara ct eri sti cs of the con verti ble bod y cau se vi bra ti ons to oscil l ate i n t he trunk a rea . There f ore, t[...]

Di sc b rake p ad wea r can b e ch ecked th r oug h open in g in cal iper: M ea su re d istan ce ( A ) of b rake p ad "ear" to b r ake rotor. See 340 Brake s . Compare to sp eci ficatio n b elow. Unb ol t cal iper f rom st ee r ing arm t o p roperl y insp ect: Brake p ad t h ickn ess ( A ) Brake rotors Co n d itio n of cal iper seal ( B )[...]

Check th at b rake h ose s are corre ct l y rout ed t o av o id ch afin g or kinkin g . I n sp ect u n ions an d b rake calip ers for sig n s of f l u id l ea ks. I n sp ect rig id l ines f or corro sio n , d ent s, or oth er d amage. I n sp ect f l ex ibl e h ose s f or cracking . Re p l ace f aul ty h oses or l ines, see 34 0 Brakes . WA RN I NG![...]

up one more st op (cli ck). Dri ve the car ap proximatel y 40 0 meters (1,300 ft . ) an d rel ea se the bra ke. T o rech eck t he ad justmen t of t he parking bra ke see 340 Brake s . Clut ch fluid, c he ck i ng T h e h yd rau l ic cl u tch an d t h e b r ake system sh are th e same rese rv oi r and th e same b rake fl u id . C l u t ch f l u id l [...]

env ironmen t al cond itio n s. If sh ort- d istance d r iv in g p red omi n ates, th e moi st u re an d cond en sation in th e system will n ot fu l l y d ry out . This will l ea d to ea rl y corro sio n d ama g e and more f requ en t rep l aceme n t . Sch edu l ed maint enan ce of t h e ex h au st system is l i mited t o insp ect io n : Check to [...]

Check rear d ifferent ia l oil l ev el at rea r d ifferent ia l fil l er p l u g ( ar row ). - Check l u b rica n t l ev el with car o n a l ev el su rface: Re mov e oi l fil l er p l u g . Le v el is corre ct wh en f l u id j u st rea ch es edg e of f ill er h ole. I f n ecessa ry, t op u p f l u id . I n stal l and t igh ten oil f ill er p l u g [...]

th e d riv er's seat. A p rotectiv e co v er mu st b e remov ed to access th e f il ter. Fu el fil ter for M 52 T U eng in e is sh own in ill u str atio n . E46 cars wi th M 54 eng in e are equ ip p ed with a fu el fil ter th at h as a b u ilt in f u el p ressu re regu l ator. - Di scon n ect b att ery n egativ e (-) cabl e. - Dra in f u el fi[...]

is rem ov ed . Do n ot sm oke o r w or k near h ea ters or other fi re h aza rds. Ke ep a fire ext in gu isher hand y. CA UTI ON! Clea n thor ou ghly aro u nd th e fi lter co nn ectio n s b efo re rem ov i n g th em. No te: W hen i nstal l i ng fuel fi l ter cover, t ake care t o reinstal l foam rub ber sea l i n front of cover corre ctl y t o prev[...]

Sus pens ion, front , i ns pec ting I n sp ectio n of t h e f ront su sp ension an d steeri n g in cl u d es a ch eck of all mov ing p arts f or wea r and ex cessi ve p l ay. I n sp ect b all j oi n t and t ie -rod ru b b er sea l s an d b oo ts for cracks or tears th at coul d al l ow th e en t ry of d irt, water, an d other cont ami n an ts. On A[...]

p ressures can b e fou n d on t h e d r i v er's d oo r p il l ar an d in t h e ow n er's manu al. No t e th at t ire pr essures sh ou l d b e h igh er when t h e car is more h ea v ily l oa d ed. WA RN I NG! Do n ot in flate any tire to a pres su re hi g her than th e tire' s ma ximu m in flati o n pres su re li sted on th e sidewal[...]

T ra nsmi ss ion s e rv i c e, m a nual M anu al tr ansmissio n serv ice con sists of insp ectin g for l ea ks an d ch ecki n g th e fl u id . Ev iden ce of tran smissi on l eaks is l ike l y to b e seen aro u n d t h e d riv eshaft moun t ing fl an g e an d at t h e b ott om of th e b ell h ou sin g . No te: For more i nforma t i on on i de nti fy[...]

whenev er n ew t ire s are instal l ed. No te: See 320 Steeri ng and W hee l Al i gnme nt for a mo re de t ai l ed discussi on of ali gnme nt req uiremen t s an d specif i cati ons. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. M ai nt en an ce h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20M[...]

020-7 Body a n d I n teri or M a i n ten a n ce B ody a nd hinges , l ubric ating T h e d oo r l ocks and l ock cyl ind ers can b e l u b ricated with an oil t h at con t ai n s g raph ite. T h e b od y and d oo r h in g es, th e h ood l atch , an d th e d oo r ch eck r ods sh oul d b e l u b ricated with SA E 30 o r SA E 40 eng in e oi l . Lu b ri[...]

wa sh p rodu ct . Rinse u sin g p l en t y of cl ea r water. W ip e th e b od y d ry wi t h a soft cl oth towel or ch amo is t o p rev ent wa t er-spott in g . Interior c a re Di rt sp ots can u su al l y b e remo v ed with l u kewa rm soa p y wa t er or a d ry f oa m cl ea n er. Use sp ot r emo v er for g rea se and oil sp ots. Do not p ou r th e [...]

Se at be lts Di rt and oth er ab rasi v e p articl es wi l l d ama g e sea t b el t webb in g . If it is n ece ssary t o cl ea n seat b el t s, u se a mild soap sol u t ion. Bl each an d oth er stron g cl eaning ag en ts may we ake n th e b elt webb ing an d sh ou l d b e av oided . WA RN I NG! Do n ot clea n the sea t bel t w ebb in g u sin g d ry[...]

Co mmercia l or sel f -serv ice car wa sh es may n ot b e b est f or t h is, as th ey may recycle t h e sal t-con taminated water. Wa x ing For a l on g -l ast ing , p rotectiv e, an d g l ossy f inish , ap p l y a h ard wax after th e car h as b ee n washed and d ried. Use carn aub a or syn th et ic b ase d p rodu ct s. Wax ing is n ot n eeded aft[...]

alcohol or ammo n ia so l u t ion, or a n on-ab rasiv e cl eanser t o cl ean th e wi n d sh ie l d . Wip er b l ad e ch atter may b e caused b y d irty or wo rn b l ad es, b y a d irty wi n d sh ie l d , or b y b ent or twisted wi p er arms. Cl ea n th e b l ades and wi n d sh ield as describ ed abov e. A d j u st th e wi p er arm so th at th ere i[...]

OBD-2 On -Boa r d Di a g n os ti cs (OBD I I ) OBD II is an acronym f or On - Boa rd Di ag n ostics II , t h e seco n d g en era t ion of on-b oard self -d iagn ostic equ ip men t requ ireme n ts. T h ese st and ards wer e ori g in al l y mand ated for Californ ia v ehicl es. Sin ce 199 6 t h ey h av e b een app l ie d t o al l p assen g er v ehicl[...]

rese t using the spe ci al scan t ool. Re movi ng the conn ector f rom t he ECM or disconn ecti ng the ba tt ery w i l l no t era se the fault memory. T h e ex t ra h ard war e n ee d ed t o operate th e O BD I I syst em consists mainl y of th e f ol l ow ing : A d d itional ox yg en sensors d ow n st rea m of t h e catal yt ic conv erters Fu el ta[...]

T h e M I L wi l l come on u n d er th e fol l owi n g con d itions. A n eng i n e man agement system faul t is d etected f or t wo consecu tiv e OB D I I d riv e cycl es. A catal yst d ama g ing fau l t . A comp on ent malfu n ct io n (su ch as catalyst d et eri oratio n ) causes emi ssions t o ex ceed 1.5 t ime s OBD II st and ard s. M anu factu [...]

Addi tio n al i nf orma t io n, M IL : A f aul t cod e is stored wi th in th e ECM u p on th e first occurr ence of a fau l t in t h e syst em b eing ch ecke d . T wo compl ete consecu tiv e d riv e cycl es wi th t h e fau l t p rese n t ill u minate t h e M IL . T h e ex ception to th e two-faul t requ ire ment is a catalyst d ama g ing f aul t , [...]

With th e u se of a u n iv ersa l or 'g en eric' scan t ool con n ected to t h e DLC (Di ag n ostic Link Co n n ector), d iagn ostic trou b l e cod es (DT Cs) can b e ob t ai n ed, along wi th th e cond itio n s associ ated wi t h th e ill u min atio n of th e eng ine serv ice l igh t. Usi n g a more ad v anced or BM W-d edicated scan too[...]

i nstall ed. Professiona l di ag nosti c scan t oo l s ava i l ab l e at t he ti me of thi s printi ng i ncl ud e the BMW factory tools ( DI Splus an d MoDiC) and a small numb er of aftermarke t BMW -spe ci f i c tools. The CS2 000 from Baum Too l s Un l i mi ted , t he Re t ri ever from Assenma cher Spe ci alt y T ools, and t he MT 25 00 from Snap[...]

requ ired t ests. T h e ECM mu st reco g n ize t h e l oss or imp airm ent of t h e sign al or compon ent an d d etermine if a sign al or sensor is f aul ty b ased on 3 cond itions: Sign al or compon ent sh orted t o g roun d Sign al or compon ent sh orted t o B+ Sign al or compon ent missing (open circu it) T h e OBD II syst em mu st monitor al l [...]

ECM cann ot d et ermi n e th e env ironmen t or en g in e operating cond itions d u e t o missing or fau l t y sign al s it will set a fau l t cod e an d , d epen d in g on cond itio n s, il l u min ate th e M I L. Ox yg en sensor mon itoring : W h en d riv e cond itions all ow , respon se rate an d swi t ch in g time of each ox yg en sensor is mon[...]

Sp eci fic cyl in d er(s) Sev erity of t h e misfire ev ent Emissi on s rel ev ant or catalyst d ama g ing M isfire d etectio n is an on -g oing monitoring p rocess th at is onl y d isa b l ed u n d er certai n l imite d cond itions. Seco n d ary ai r in j ection monitoring : Seco n d ary ai r in j ection is u sed t o redu ce HC and CO emissi on s [...]

set an d id en tify th e fau l t y b ank(s) . I f after comp l eting t h e n ex t col d start a faul t is ag ai n p rese n t, th e M IL wi l l b e ill u minated . Fu el system mon itori n g : Th i s monitors rece iv es h ig h p rio rity. It l ooks at t h e fu el d eliv ery n eeded (l on g / sh ort t erm fu el trim) f or p rop er eng in e op era tio[...]

ch eck system in t egrity. O n M S 43 .0 cars, a more so p h isticated DM T L (Di ag n ostic M od u l e - Lea k De t ectio n ) p u mp is u sed . Driv e cy c le T h e OBD II d riv e cycl e is an imp ortant concep t in u n d erstan d ing O BD I I requ ireme n ts. T h e p u rp ose of t h e d riv e cycl e is to ru n all of th e emissio n - related on -[...]

OBD-3 BM W Fa u l t Codes (DT Cs ) Below is a co mp reh ensiv e l isting of BM W DT Cs an d th e corre sp ond ing SA E P-cod es. T a ble a . Diagnos tic trouble c odes (D T Cs ) BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explan ation 1 I g n ition coil cyl . 2 I n p u t an al og timing (100 mV ) DM E in itia t es se con d [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 8 P01 01 M ass air fl ow circuit rang e/p erf. I n p u t an al og (0-5 V) Failed sign al r ang e ch eck against p redefin ed d iag n ostic l imi t s. 10 En g ine coo l ant temp . circu it rang e/p erf. I n p u t an al og (0-5 V) Sign al ran g e is ch ecke d against p [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 23 P02 06 I n j ector circu it cyl . 6 Ou tp u t d ig ital p u l se widt h (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isconn ection b etwee n ou tp u t t ransistor an d comp onen t ex[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 33 P02 05 I n j ector circu it cyl . 5 Ou tp u t d ig ital p u l se widt h (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isconn ection b etwee n ou tp u t t ransistor an d comp onen t ex[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 45 M u l t i f u n ct io n al steeri n g wh eel, tog g l e-b it I n p u t b inary stream (0-1 2V ) Ev ery 0.5 sec. a messa g e t h at in cl u d es a t ogg l e b it (tog g l es b etwee n 0->1 and 1->0 ) is t ransmitt ed. Chang e b it is monitored t o ind icate p [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n sh u n t resistor (l imitatio n v ol t age) t h en seco n d ary ign itio n v olt ag e is d etected and sh u n t r esi stor may b e f aul t y. 57 P03 25 Knock sen sor 1 circuit, (Bank 1) circuit cont inu ity I n p u t an al og ampl itu d e (13 -19 kHz) Pl au sibil ity [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n tran sistor and comp onen t ex ists. 74 A C compr esso r relay Ou tp u t d ig ital on/ off (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isconn ection b etwee n ou tp u t t ransistor an [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n sp ring w ith in motor t h rott l e b ody. 11 0 P15 42 Pe d al sen sor p otent io meter 1 I n p u t an al og (0-5 V) Failed sign al r ang e ch eck against p redefin ed d iag n ostic l imi t s. 11 1 P15 42 Pe d al S ensor Potent io meter 2 I n p u t an al og (0-5 V) Fa[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 11 7 P15 42 Pe d al sen sor p otent io meter p l au sibil ity I n p u t an al og (0-5 V) I f t h ere is a d ifference g reater t h an sp ecifie d b etwee n t wo redu n d an t sign als f rom p oten tiome t er, fau l t will b e set. 11 8 P01 20 M S 42 M otor th rottl e [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n d isconn ection b etwee n ou tp u t tran sistor and comp onen t ex ists. 12 4 P15 93 D ISA , rang e/ p erf. Ou tp u t d ig ital on/ off (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isco[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 13 1 C A N t ime out (in str 2) I n p u t b inary stream b it d ata (0-1 2V ) CA N me ssage b et we en DM E /EG S n ot recei v ed wi t h in ex p ected t ime . 13 2 C A N t ime out (in str 3) I n p u t b inary stream b it d ata (0-1 2V ) CA N me ssage b et we en DM E /[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n swi tch is " l ow" for l ong er t h an p redet ermi n ed t ime . 14 2 M S 43 D M T L mod u l e fau l t DM E in tern al v alu es l ogical 14 3 P14 76 EV A P: cl amped tu b e ch eck I n p u t d igital freq u en cy (0-12 V) Freq u en cy of LDP pu mp s ree d sw [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n on inp u t l in e. 15 3 P01 50 Ox yg en sensor p re-ca t (Bank 2), sh ort t o b att ery v olt . I n p u t an al og (0-5 V) O x yg en sen sor sign al rang e is ch ecked to d etermine if el ectrica l sh orts ex ist on in p u t l in e. V olt age sig n al must b e wi th i[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 16 0 M S 43 T h rottl e v al v e p osi t ion cont rol l er DM E in tern al v alu es l ogical 16 1 M S 43 T h rottl e v al v e p osi t ion cont rol l er DM E in tern al v alu es l ogical 16 2 M S 43 T h rottl e v al v e p osi t ion cont rol l er DM E in tern al v alu e[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 18 8 P11 32 Ox yg en sensor h eate r, p re-cat (Bank 1), insu f f ici en t Ou tp u t d ig ital p u l se widt h (activ e l ow ) DM E in t ernal l y calcu l ated h eate r p ow er is ch ecke d against p redefin ed d iag n ostic l imi t s. 18 9 P11 33 Ox yg en sensor h ea[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n sign al. If mor e t h an t wo ign itio n sig n al s are n ot reco g n ized t h an th ere mig h t b e a p robl em in f ee d b ack l in e. 21 1 P15 10 I d l e con trol v alv e stu ck DM E in tern al v alu es l ogical Fu n ct io n al ch eck ag ai n st a cal cu l ated v a[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 22 2 P01 25 I n su f ficie n t coolant temp . to p ermit cl ose d l oo p operatio n I n p u t an al og (0-5 V) Co m p ari son of actu al coolant t emperatu re against cal cu l ated DM E v alu e wh ich v arie s with l oad sign al. 22 3 P11 80 Ox yg en sensor p ost-cat [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n swi tch f aul t wi l l set. 23 2 P01 79 Ox yg en sensor p re-ca t (Bank 2), swi tch time too sl ow I n p u t an al og (h ig h is l ea n ) ( 0-5 V) Ch ecks am oun t of t ime ox yg en sen sor takes to switch f rom rich to l ea n and v ice v ersa. I f it takes too l on g[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n for cyl ind er 2 is l ong er, f aul t wi l l set. 24 0 P03 03 C yl . 3 misfire d etected DM E in tern al v alu es l ogical Cra n ksh aft sp eed/ acce l era tion is monitored b y crank sensor. T ime f or ea ch cyl ind er combu stion is compared against av g. of oth ers[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 24 5 P14 23 Se con d ary ai r inj ection (Bank 1), fl ow too l ow I n p u t an al og (0-5 V) Ch ecks to see if ox ygen sensor reacts t o incr ea se in u n metered ai rfl ow g enerated b y seco n d ary air pu mp operatio n . O x yg en sen sor mu st sen se l ean cond it[...]

100-1 Gen era l T h is sect io n cov ers system d escri p tions and g en era l in f orma tion on en g ines and eng ine man agement systems. A l so cov ered is b asic eng in e trou b l esh oo tin g . For sp ecific repair p rocedu res, refer to th e ap p rop riate rep ai r g roup : 11 0 En g in e Re m ov al an d I n stal l ation 11 3 Cylin d er Hea d[...]

3.0 liter) en g in es were in trod u ced. T h is eng in e incorp orates a l l t h e t echn ical featu res of t h e M 52 T U eng in es with add ition of fu l l y el ectron ic th rottl e contr ol an d en h an ced emi ssio n contr ols. Ta b l e a. En g ine sp eci ficatio n s l ists eng in e sp ecifica t ions f or t h e v eh icles cov ered b y t h is m[...]

M o d el ye ar Eng i ne code No. of cy l in d er s Displace me n t cc (cu. i n .) B o re / str o ke C o mpre ss i o n ra ti o To rqu e l b-ft/ rpm Hors ep ow er Hp/rpm i n . ) T orque/pow e r graphs M 52 T U 2.5 l iter M 52 T U 2.8 l iter En g i n e- Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s[...]

M 54 2 .5 l iter M 54 3 .0 l iter En g i n e- Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 4 of 19 2/ 25/ 2009 9: 58 PM[...]

Cyli nder bloc k a nd cra nkshaft T h e cyl ind er b l ock is ca st al u minu m all oy (A l Si9C u 3) with cast iron cyl in d er l iners. The cyl in d ers are ex p osed on al l sides t o circu l ating coolant . T h e coun terwe i g h t ed cran ksh aft rotates in repl ace abl e sp l it-sh el l mai n b ea r ing s. Oil wa ys d rill ed in t o th e cran[...]

Con nec ting rods a nd pist ons T h e forg ed st ee l con n ectin g rods u se repl acea b l e sp l it- sh ell b ea rin g s at th e cranksh af t end an d solid b u sh in g s at t h e p iston p in end . T h e p iston s are of t h e th ree - ring t yp e wi th t wo u p p er compr essi on r ing s an d a l ow er one-p ie ce oi l scraper rin g . Fu l l -f[...]

Each ex h aust manifol d asse m b l y incorp orate s a catal ytic con v erter. T h e conv erters are moun ted cl ose t o th e eng in e f or faster h ea t u p . Pre- an d p ost-catal yst ox ygen sensors are a moun t ed in each ex h aust manifol d . Coo ling sys te m T h e coo l in g syst em circul atio n is d esi g n ed so t h at coo l an t fl ows d[...]

all ows t h e eng in e t o b e operated at h ig h er cont rol l ed t emperatu res d u rin g l ow an d p art t h rottl e. This opt imize s operating temp eratu res in b oth cyl in d er h ead an d b l ock, red u ces f rictio n an d th ere b y f u el con su mp t ion. T h e coo l in g syst em is d esign ed to: Re d u ce op era t in g t emp era tu r es [...]

torq u e b y ch an g in g t h e intake air f l ow conf igu ratio n f or v arying en g ine sp ee d s. T h is h elp s achiev e op timu m torq u e th roug h out t h e en tire RPM ran g e. Durin g eng in e op era tion, a cl ose d reso n ance v alv e g iv es t h e int ake ai r ch arge th e d yn ami c eff ect of l on g int ake ru n n ers at l ow to mid -[...]

T h e int ake ma n ifol d in cl u d es int ake tu rb u l en ce p orts. The 5.5 mm (0.21 7 in. ) tu rb u l en ce p orts ch ann el idl e and l ow sp eed air d ire ct l y f rom t h e idl e sp eed cont rol v al v ed t o on e int ake v al v e of ea ch cyl ind er. Ro u t in g int ake a ir t o one in take v alve p er cyl ind er causes t h e air ch arge t [...]

conv erter an d f aste r redu ct ion in emi ssion s. Ov eral l imp rov ed f u el economy. See 117 Camshaft Ti m ing Chain s f or V A NOS system t esting an d rep ai r inf orma t ion. Engine m a na gem e nt s y st e m T h e Sie mens eng ine man agement systems u sed in E46 cars comb ine f u el inj ect io n , ign itio n an d oth er f u n ct ions u n [...]

Co n n ector 1: Vo l t ag es and g rou n d s Co n n ector 2: Ancill ary sign als (ox yg en sen sors, CA N, etc. ) Co n n ector 3: En g in e sign als Co n n ector 4: Ve h icl e sig n als Co n n ector 5: Ig n itio n sig n al s No te: The fl ash EEPROM ( chip) i s specifi call y `pro grammed ' to the veh i cl e. It ha s the cap abil i t y t o be [...]

(ECT ) in cyl ind er h ead su p p l ies coo l an t t emp era tu r e information to th e EC M . ECM o u tpu ts: Fu el inj ect or open in g d u ratio n . I n t ake an d ex h au st v al v e t imi n g v ia th e V A NOS system. T h e radiator coo l ing f an an d th e h eate d coo l ant th ermostat. M otor-d riv en t h rot tl e v alv e: M DK in M S 42.0 [...]

Fu el p u rg e v alv e and fu el t ank l ea kag e d ia g n osi s p u mp (LD P or DM -TL ). Fu el meteri n g : The ECM met ers p ressur ize d f u el b y ch ang in g th e open ing t ime (p u l se widt h ) of t h e f u el inj ect ors. The ex act amoun t of f u el inj ect ed is d etermined b y th e amoun t of time th e inj ectors are open . To ensu re [...]

Co n t rol of col d air in take v ol u me. For ex ampl e, at ai r temp era t u res b el ow 0°C (32°F), el ectronic t h rottl e cont rol (M DK/EDK) is al so open ed d u rin g idl e. Smoo t h idl e sp ee d s regard l ess of l oa d and in p u t s Lo wer rp m rang e Smoo t h tr ansition from acceleratio n to d eceleratio n I d l e sp eed stab ilizati[...]

I f t h e fau l t cau ses incr ea sed ai r f l ow (actu ator failed open ), V A NOS an d kn ock cont rol are d eactiv ated. This redu ces eng in e p erformance n oticea b l y. T h rott l e cont rol: Th e th rottl e v alv e p l ate is electron ica l l y operated f or p reci se th rottl e op eratio n , OBD II compl iant f or fau l t mon itori n g , a[...]

I g n ition f u n ction: a d istribu t orl ess ig n itio n system with in d iv id u al ign ition coils f or ea ch cyl ind er is emp l oyed. Th e coi l s are moun t ed ov er t h e sp ark p l u g s and conn ect t o th e p l u g s v ia a sh ort l ea d . T h e Sie mens systems u se mu l t ipl e sp ark ign itio n t o redu ce emi ssions and ex t en d sp [...]

Si e m e ns DM E M S 4 3 .0 En g i n e- Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 18 of 1 9 2/ 25/ 2009 9: 58 PM[...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. En g i n e- Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 19 of 1 9 2/ 25/ 2009 9: 58 PM[...]

100-2 Dri v ea bi l i ty T rou bl es h oot i n g T h e Sie men s syst ems are soph isticated sel f-d iagn osing O BD II systems. T h ese syst ems cont in u ousl y monitor comp onen ts an d r eco rd an d store v alu ab l e diag n ostic inf ormatio n . I f th e `Check En g in e' or `Serv ice En g ine Soo n ' l ig h t [ al so kn own as th e [...]

v olt s for a b attery wi t h a 25% ch arg e. Ev en a fu l l y ch arg ed b att ery cann ot d eliv er p owe r u n l ess it is p roperl y conn ected to t h e electr ica l syst em. Check th e b att ery terminal s for corro sion or l oose cabl e conn ect io n s. I f th e b attery d oes n ot mai n t ain th e p roper v ol t age, t h e ch arg ing syst em [...]

Good g roun d s are critical to p roper DM E operatio n . If a g roun d con n ectio n h as n o v isibl e f au l ts b u t is stil l su sp ect, mea su re th e v olt age d rop acro ss t h e conn ection. A l arg e v ol t age d rop ind icates h igh resistance, ind ica tin g th at t h e conn ect io n is corroded , d irty or d ama g ed. Clean or repair th[...]

eng in e compart ment , b eh ind l ef t h ea d l ig h t assembl y (h eadl ig h t asse mb l y sh ow n remov ed). M ai n f u el p u mp g rou n d ( arr o w ) b eh ind righ t rea r sea t b ack rest. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. En g i n e- Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/[...]

110-2 En gi n e Rem ov a l a n d I n s ta l l a ti o n Be su re to cov er all p ai n ted su rf ace s b efore b eginn in g t h e remov al p roce d u re. As an ai d t o in stal l atio n , l abel all comp onen ts, wi res and h oses b efore remov in g th em. Do n ot reu se g aske t s, O -rin g s or seals d u r ing rea ssemb l y. WA RN I NG! Du e to ris[...]

Re mov e h ou sing f or int eri or v ent il ation micro f ilt er. Re mov e u p p er cov er an d micro f ilt er. Op en wi ring h arn ess l oo m cov er ( A ) and remo v e wi res. Unf asten screw s ( B ) a n d remo v e l ow er micro f il ter h ou sin g . Re mov e in take manifold cov er: Re mov e p l astic t rim cov ers ( ar row s ). Re mov e cov er h[...]

I f ox yg en se nso r harnes s co nn ec to rs ar e separ ated, b e su re to ma rk them so th at th ey can b e re as sem b l ed as befo re. Working at l eft rear of en g in e compartmen t: Pee l ru b b er edg e sea l off top of p anel . T wist p l astic p an el retainers ( ar row s ) 90° and p u l l ou t t o remo v e. Di sen g ag e p an el fr om h [...]

Li f t off con n ector l oo m and l ay asi d e. Re mov e compl ete ai r f ilt er h ou sing : De t ach v acu u m l in e at in t ake b oot ( A ). Di scon n ect electr i cal h arn ess conn ector on m ass ai r f l ow se n sor ( B ). Re l ea se mass air fl ow sensor cl ips ( C ). Re mov e f ilt er h ou sing mou n tin g screw s ( D ). De t ach air d u ct[...]

8 - Ho se cl amp 28 - 33 mm 9 - Ho se cl amp 77 - 84 mm Wh ere app l icabl e: P u l l t h rott l e cabl e u p wa rd s out of ru b b er retai n er ( A ) and u n h ook b all en d of cab l e ( B ) f rom th r ottl e actu ator. No te: Mod el s eq uippe d w i th M54 en gi nes d o no t use a throttl e cab l e mou nted to throttl e hou si ng . Re mov e n u[...]

De t ach el ectrica l h arness con n ector at fu el tan k v ent ing v alv e ( A ). Disco n n ect h ose at q u ick d isconn ect f itt ing ( ar row ). Re mov e d ip stick g u ide t u b e: De t ach wiri n g h arness b racke t s from t u b e ( A ). De t ach f u el l in es f rom tu b e ( B ). Re mov e l owe r g u ide tu b e moun t ing b olt ( C ). Pu l [...]

pres su re (app ro x. 3 - 5 b ar or 45 - 75 psi) and ma y be expelled u n d er p re ssu re . Do n o t smo ke or wor k n ear heate rs or o ther fire hazar d s. Kee p a fi re ex ti n g uisher h andy. B efo re di sc o n n ec t in g fu el h o ses , wrap a clo th ar ou n d fue l h os es to abso rb any l eak i ng fue l . Ca tch and d ispos e of es caped [...]

tools 13 5 281 / 13 5 282 . CA UTI ON! Fue l ma y be ex pell ed u n d er pres su re . Do n ot sm ok e o r w or k n ea r heate rs o r other fire h aza rds. Kee p a fire ex ti ngu i sher handy. B efo re di sc o n n ec t in g fu el h o ses , wrap a clo th aro und fue l h os es to abso rb any lea king fu el. Pl u g all open fue l li n es . Working u n [...]

Li f t u p man ifold j u st en oug h t o d etach p osi t iv e cabl es from st arter motor terminal 50 ( ar row ). - Re mov e in take manifold from cyl ind er h ead wh il e care f u l l y ch ecki n g for el ectrical conn ections or h ose s. CA UTI ON! Stu ff clean rag s in to open i nt ak e por ts to prev ent any p ar t s fro m falli ng in to the en[...]

Engine ass e m bly, r em oving and inst al ling No te: The i ntake manifol d must be r emo ved as de scri be d earli er to f aci l i t ate en gi ne asse mbl y remo val . Re mov e cyl in d er h ead top cov er : Re mov e p l astic t rim cov ers ( ar row s ). Re mov e cov er h ol d d own b ol t s and l ift off cov er . Dra in en g in e coo l an t and [...]

hum ans and p ets. Pets ar e attra cted to co olant b eca us e of its sweet sm ell and tas te. Co n su l t a ve terinarian imme d i ate l y i f co olant is i nge sted by an animal. No te: Ca t ch and dispose of dra i ne d coo l an t acco rdi ng t o l ocal, st ate, and fed eral l aw s. Re mov e h oses from t h ermosta t h ousin g b y releasi n g l o[...]

De t ach coolant h ose at f ront l eft sid e of eng in e b y eng in e mou n t b y rel ea sing l ock ( ar row ). - Unb ol t p owe r st ee ring f l u id rese rv oi r an d p u l l aside with out d etachin g h ose s. Ti e t o f end er wi t h cord or st iff wir e. Working at E -b ox at l eft rear of en g in e compartmen t: De t ach en g in e electrical [...]

Re mov e p owe r st ee rin g p u mp: Re mov e st ee rin g p u mp p u l l ey. Re mov e f ront an d rea r p u mp moun t ing b olt s ( ar rows ). Ha n g p u mp fr om b ody u sin g stiff wi re. Re mov e A / C compressor moun t in g b olt s ( ar rows ) an d A /C comp ressor from its moun t in g b racke t with out d isco n n ecting , d istortin g , or d [...]

b ottom of seco n d ary air p u mp . Re mov e b racke t f rom stru t towe r. Separate o x yg en sen sor elect rica l h arness con n ectors ( arr o ws ) and moun t ing cl ip ( A ) on rig h t si d e of eng in e. Re mov e ch assis g roun d st rap ( arr ow ) at rig h t en g ine moun t in g p ed estal. I n stal l an en g ine l iftin g d ev ice (BM W 11 [...]

Wh en rei n stal l in g , make su re l ocating p in on l eft eng ine mou n t ( arr o w ) seats corre ct l y in sl ot of su b f rame b oss. - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Re p l ace al l g askets, O-rin g s and sea l s. Chang e en g ine oil and fil ter an d ch eck all oth er f l u id l ev els. See 020 M[...]

Ti gh teni n g torqu es Co ol an t d rain p l u g to cyl ind er b l ock 25 Nm (18 f t -l b ) En g in e moun t t o sub f rame M 10 4 5 Nm (33 ft -l b ) Ex h au st man ifold t o cyl in d er h ead M 6 10 Nm (8 f t-l b ) M 7 or M 8 20 Nm (15 f t -l b ) I n t ake manifol d t o cyl ind er h ea d M 7 15 Nm (11 f t -l b ) M 8 22 Nm (16 f t -l b ) Ra d iato[...]

113-1 Gen era l T h is g rou p cov ers E46 cylin d er h ead remo v al and in stal l ation as well as cyl ind er h ead/v alv e d ia g n osi s p roce d u res. T h e inf orma tion g iv en in t h is rep ai r g roup assu mes th at t h e en g ine is inst all ed in th e en g ine b ay. In ord er to remo v e th e cyl ind er h ea d f rom th e eng in e b l oc[...]

T orq u e wrench w/ fl ex ex t en sio n BM W sp eci al t oo l 00 9 25 0 E-12 To rx socke t BM W sp eci al tool 11 2 25 0 Cra n ksh aft l ocking t oo l B M W sp ecia l tool 11 2 300 Ca msh af t l ocking tool BM W sp ecia l tool 11 3 240 Ca msh af t l ocking tool b racket BM W sp eci al t oo l 11 3 24 4 Li f t er retai n ing su ct ion cu p BM W sp ec[...]

Ca msh af t b eari n g cap r emo v al t oo l BM W sp ecia l t ool 11 3 26 0 / 11 3 27 0 T iming ch ain t ensioner t oo l B M W sp eci al t oo l 11 4 22 0 V A NOS adj u st men t p l ate BM W sp ecia l tool 11 6 150 Seco n d ary sp rocket setu p t oo l BM W sp eci al t oo l 11 6 18 0 A ir l in e adap ter B M W sp ecia l t oo l 11 3 45 0 Cy li n d er [...]

Seco n d ary ch ai n ten sioner l ock p in BM W sp ecia l t ool 11 3 29 2 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cy li n d er Hea d Rem oval and I n stal la tion h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 4 of 4 2/ 25/ 2009 9: 48 PM[...]

113-2 Cyl i n der Hea d Rem ov a l WA RN I NG! Du e to risk o f p er sona l i nj u ry , be su re th e eng i n e is co ld befo re beg i nn i n g th e re mo va l proc edur e. Cylin d er h ead remo v al an d in st al l atio n is a compl icated rep ai r p rocedu re. V A NOS cont rol u n it, timing ch ain , and camshaft remov al and in st all ation al l[...]

CA UTI ON! Prio r to di sco nn ect in g the batter y, rea d th e battery di sc o n n ec t ion cau tions giv en at the fro n t o f th is manua l on p ag e viii. Disc onnecting the b atter y ma y er ase fau l t co d e(s ) sto red i n co ntro l mo d u le mem or y. Check fo r fau lt co d es us i ng specia l B MW di ag n os tic equ ip me nt. Re mov e mi[...]

Re mov e cov er h ol d d own b ol t s from in take cov e r an d l ift off cov er. Working abov e en g in e, d isconn ect t h e fol l owi n g : A Posi t iv e eng in e l ead at B+ terminal B M anifol d v acuu m l ine C Ox yg en sensor con n ectors (l abel conn ectors b efore d isco n n ecting ) D El ectrica l h arness con n ector f or int ake air tem[...]

Di scon n ect eng ine v en t h ose f rom cyl ind er h ead cov er b y sq u eezi n g sides of sp rin g cl ip ( arr o w s ). Disconn ect V A NOS solen oi d electrical h arness conn ector ( A ). Di scon n ect fu el in j ector electrical conn ectors f rom inj ectors: Use small screw d r iv er t o p ry on e corner of wi r e l ock cl ip on f u el inj ecto[...]

p u l l in g it f orwa rd awa y f rom mass ai r fl ow sen sor. No te: I n t his st ep , mass air f l ow sen sor rema i ns attache d t o rubb er ai r duct. Lo osen cl amp s 2 an d 8 and remov e mass ai r f l ow sen sor and air d u ct . 1 - T h r ottl e asse mb l y 2 - Ho se cl amp 77 - 84 mm 3 - Y-d u ct 4 - A ir d u ct 5 - Ho se cl amp 83 - 90 mm 6[...]

Working at t h rottl e hou sin g : T u r n h arness p l u g ( arr o w ) coun t erclockwi se and remov e. Di scon n ect electr i cal h arn ess conn ector at idl e sp ee d cont rol v al v e ( ar row ) d ire ctl y ab ov e th rott l e h ou sin g . Working u n d er fron t corn er of in t ake manifol d , d isco n n ect el ectrical h arness conn ector at [...]

Re mov e d ip stick g u ide t u b e: Di scon n ect wi r ing h arn ess b racke ts fr om tu b e ( A ). Di scon n ect fu el l in es fr om retai n ing cl ip s ( B ). Re mov e l owe r d ip stick g u ide t u b e moun t ing b olt ( C ). Pu l l out g u ide tu b e. Re mov e sch ræd er v al v e cap ( ar row ). Usi n g a tire ch u ck, b l ow f u el b ack th [...]

pro fess ional au tom o t ive li ft or j ac k sta n ds desig n ed f o r the p ur p o se . A floo r jack i s not adequ ate su p por t. - Re mov e p rotectiv e eng ine sp l ash g u ard f rom b eneath eng ine compartmen t. Working b en ea th car (on l ef t side u n d er d riv er seat), remov e f u el f il ter cov er an d cl amp off f u el h ose( s) ( [...]

Separate fu el l ine su p p ort b racke t at rear of in take manifol d . T h r ea d f u el l in e(s) ou t of rear of eng in e compart ment wh il e l iftin g fu el rai l ou t . Re mov e in take manifold moun t ing n u t s ( ar row s ). Li f t u p man ifold enou g h t o d iscon n ect p osi t iv e cabl es from st arter motor terminal ( ar row ). Re mo[...]

2 of en g in e b l ock ( arr o w ). Dra in r adiator int o a 3-gal l on p ai l b y remo v ing p l astic d rain p l u g at l owe r l eft end of r adiato r ( ar row ). WA RN I NG! Us e cau tion w h en d raini ng and di spo si ng o f engine co olant. Co olant is p o iso nou s and l ethal to hum ans and p ets . Pe ts are attr acte d to co o lant beca u[...]

Re mov e b ol t on t op of rese rv oi r. Li f t t ank an d d isco n n ect electrical conn ections t o p u mp and t o wa sh er fl u id l ev el sensor. Di scon n ect h ose s to wind sh ie l d wa sh er and h eadl igh t wa sh er. Ti l t rese rv oi r to p rev e n t f l u id from l ea kin g out . Re mov e second ary air p u mp : Di scon n ect h ose at on[...]

Re mov e ig n itio n coils. Di scon n ect ign ition coil h arn ess conn ectors. Re mov e coi l moun tin g fasten ers. Re mov e coi l s. Re mov e g rou n d st raps. Set coil h arness to l eft side of eng in e compart ment . - Re mov e cyl in d er h ead cov er moun t ing fasten ers and remo v e cyl ind er h ead cov er. No te: The cyl i nd er he ad co[...]

Dou ble VA NO S com ponents (M 52 T U, M 5 4 e ngine) 1 - Impu l se wh eel moun tin g n ut 2 - Exhaust ca mshaft impu l se wh eel 3 - Sprin g p late 4 - Th rust spac er (T = 3.5 mm) 5 - Spl in ed shaft 6 - To rx scr ew 7 - Exhaust se con d ar y sprock et 8 - Sec o n dary timin g chain 9 - Spl in ed slee ve 10 - Prima ry sprock et 11 - Th re ad ed l[...]

14 - Sprocke t moun tin g n ut 15 - Sprin g p late 16 - Spl in ed shaft 17 - In tak e ca mshaft sprock et 18 - Lo ca tin g stud 19 - Th rust spac er 20 - In tak e ca mshaft impu l se wh eel 21 - Chain tension er ra i l 22 - Cr ankshaft sprock et 23 - Prima ry chain tension er 24 - Prima ry chain 25 - Lo ca tin g stud 26 - Gu i de rail 27 - Lo ca ti[...]

Re mov e b an j o b ol t f rom V A NOS u n it oil p ressur e l ine. Use ban j o bol t to att ach BM W sp ecia l tool 11 3 45 0 (compressed ai r f ittin g ) to V A NOS con t rol u n it. Co v er oi l h ole ( arr o w ) in V A NOS u n it wi th sh op t owe l t o capt u re oil which wi l l sp ray when compressed ai r is ap p l ied . - C onn ect comp ress[...]

Re mov e sealing p l u g f rom sp eci al t oo l b ore on l ow er l eft side of en g in e b l ock n ear f l ywh ee l . Secur e cranksh af t in TD C p osi t ion with BM W sp ecia l t oo l 11 2 30 0 ( ar row ). Unscrew and remov e t wo cyl in d er h ea d cov er stu d s ( arr o w s ) at rear of cyl ind er h ead. Secure camsh afts in TD C p osi t ion u [...]

Oil wil l d r ai n f rom p l u g s ( arr o ws ) wh en remo v ed. Ha ve a cont ai n er and rag s rea d y. Do n ot al l ow oi l t o ru n ont o d riv e b el ts. Pu l l sealin g cap s straigh t out of V AN O S u n it with BM W sp eci al tool 11 6 1 70 , or wi th sh ort n ose p l ier s. No te: Add i ti onal oil may drain f rom VANOS un i t . Re mov e se[...]

Do n ot cr ank th e engine w ith VA NOS u n i t re mo ved. T he spli ned shaft on the i n tak e c am shaft mig h t sl ip o ut o f the VA NOS spl in e teeth, ca u sing the in tak e ca m to n o l o nge r be p o si tively co nn ecte d to th e ti ming c hain , allowin g f o r p o ss ib l e pi sto n /valve in terf er ence . No te: The VANOS unit w i l l[...]

Re mov e ex h au st camshaft imp u l se wheel mou n tin g n u t s ( ar rows ). Re mov e impu l se wheel ( A ). Re mov e sp rin g p l ate ( A ). Re mov e in take camshaft sp r ocke t moun t in g n u t s ( arr ow s ) and remov e sp ring p l ate (l ab ell ed F RO NT ). Re mov e t orx screws from ex h au st camshaft sp rocke t ( ar rows ). Cy li n d er[...]

Li f t off ex h aust an d in t ake sp rocke t s tog eth er with second ary ch ain , th ru st sp acer ( A ) f rom ex h aust camsh aft , and sp l in ed sh aft ( B ) from in take camshaft . CA UTI ON! Spl i ned shafts s hare th e sa me part num b er fo r b oth i ntake and exhau st ca mshafts. Re mo ve and ma rk u sed spli n ed shafts in or der and re [...]

Re mov e p rimary ch ain sp r ocke t moun t in g stu d s ( arr ow s ) on ex h aust camshaft . Li f t p rima ry ch ain sp rocket off ex h au st camshaft . Remo v e sp rocke t from ch ai n . Pl ace t imi n g ch ain on end of ex h aust camshaft . Re mov e l ocating st u d s ( arr o ws ) f rom int ake ca msh aft. Lift off int ake camsh aft th ru st sp [...]

Do n ot remo v e en d sp l in e retai n ing screw s f rom camshaft s ( ar row s ). Re mov e cyl in d er h ead cov er moun t ing stu d s ( arr ow s ) from cen t er of cyl ind er h ead. - R emo v e fl ywheel l ocking t oo l f rom tran smissi on b el l h ou sing so t h at cranksh af t is n o l on g er secu red. Li f t p rima ry ch ain and h ol d u n d[...]

ce n tere d wi th adapter slee ves . T o av oid cam shaft d am ag e, i t mu st b e re mo ve d befo re any ot h er ca p s. Fit BM W sp eci al tools 11 3 260 ( A ) an d 11 3 27 0 ( B ) to cyl ind er h ead an d screw l on g b ol t s ( arr o w s ) in to sp ark p l u g th rea d s. T ensioners will al ign with th e b ear ing cap s on th e int ake camsh a[...]

Hy d rau li c li fters shou ld b e sto red in an uprig ht pos iti on. Us ed h ydra u l ic li fter s mu st b e re placed i nto o riginal l ift er b o res . Cyli nder he ad ass e m bly, re m oving - R emo v e ex hau st man ifol d s. See 18 0 Ex h aust S ystem. Re mov e in take camshaft p osition sen sor ( ar row ) from sid e of cyl ind er h ead. Re m[...]

Usi n g BM W sp ecia l t ool 11 2 250 or equ iv al ent , l oose n cyl ind er h ead b ol t s in sev eral st ages in seq u en ce sh own. Di scard h ea d b olt s. No te: BMW special t oo l 11 2 25 0 i s a thi n-w al l ed T orx E12 socke t w i t h an exten ded reach . The cyl i nde r hea d bolt s are recesse d i nto t he hea d be l ow the camsh aft t o[...]

113-3 Cyl i n der Hea d I n s ta l l a ti o n Clean cyl in d er h ea d and g asket su rf ace s of cyl ind er b l ock an d al l timing ch ain cov ers. Re mov e f ore ig n matt er and l iq u id f rom b olt h oles. CA UTI ON! Do n ot u se a me t al sc ra per o r wi re bru sh to cle an th e alum i num c ylin d er head or p isto ns. I f n ec es sar y, u[...]

operatio n s. Pl ease b e adv ise d th at th ese ind iv id u al j obs m u st b e acco mp l ished in th e order in which th ey ap p ear. Cyl ind er h ea d assembl y, inst al l in g Camshaft s an d v alv etrai n , inst al l in g V A NOS con trol u n it, in stal l in g Cyl ind er h ea d cov er, manifol d s, coo l in g syst em, in stal l in g Cylinde r[...]

pos i tion b efo re l o w ering the cylind er head in to pos iti on. A l l p isto ns mu st be ou t of TDC pos iti on to p rev ent va l ve/pisto n i nterfe rence when th e ca mshafts are i nstalled. - Li g h t l y l u b ricate n ew cyl in d er h ea d b ol t s. Inst al l b ol t s and wa sh ers fin g er t igh t. In stal l cyl ind er h ead-to-l owe r t[...]

Ti gh teni n g torqu es Stag e 2 +90 ° Stag e 3 +90 ° I n stal l int ake camsh aft p ositio n sensor ( ar row ). - I n stal l ex h aust man ifol d s. See 18 0 Ex h aust System. I n stal l l owe r second ary ch ain g u id e. T ig h t en To rx b olt s ( arr ow s ) to sp eci f icatio n s. T h e b ol t on t h e in take camshaft sid e is l on g and ex[...]

A min imu m waitin g time is requ ired fo r th e h ydra uli c lif ter s to "bleed down" after in stalli ng th e ca mshafts in to th e cylin der head, but befo re sy n chro n i zing th e cr anks h aft and va l ve tra i n ti ming. W hen th e ca mshafts are re mo ve d, the hydrau li c l ifters can expand. T hi s ex p ansion ca n cau se i ncr[...]

Ro t ate camshaf ts so th at in take and ex h au st l obes f or cyl in d er 1 face ea ch other ( ar row s ). CA UTI ON! B e su re th at cr ankshaft is stil l pos i tioned at leas t 30 ° b ac k fro m TDC. - Pl ace b eari n g caps on cams, b u t d o n ot in st all retainin g n u t s. Fit BM W sp eci al tools 11 3 260 ( A ) and 11 3 27 0 ( B ) to cyl[...]

- Re p eat p roce d u re f or ex h aust camshaft . No te: Before t he next step, ob serve w aiti ng ti me for l i f t er bl ee d dow n be fore con t i nuing w i th camsha f t i nstall ati on. Cr anks h aft / valve ti ming waiti ng times 68 °F (20 °C) an d h ig h er 4 minu t es 50 - 68 °F (10 - 20 °C) 11 min u t es 32 - 50 °F (0 - 10 °C) 30 mi[...]

Li f t t imi n g ch ain and h ol d u n d er tension . Wh il e mai n t ai n ing t en sio n on t iming ch ai n , rotate cran ksh aft f rom 30 ° b efore TD C in d ire ct i on of rotatio n u p t o cyl ind er 1 T D C p ositio n ( 0|T on f ron t p u l l ey l ined u p with p oint er on l owe r timing ch ain cov er) . Secure cranksh aft in TD C p osi t io[...]

Fit t h ru st sp acer to in t ake camshaf t and t igh t en d ow n with t h readed l oca t in g stu d s (p l ace lon g er th readed p ortio n of st u d s int o camshaf t). Ti gh teni n g torqu e I m p u l se wh ee l stu d s t o in take camshaft (M 7) 20 Nm (15 f t -l b ) Fit t op sp rocke t t o p rima ry t iming ch ain and in stal l on ex hau st cam[...]

Ti gh teni n g torqu es Ex h au st camsh aft l ocating st u d 20 Nm (15 f t -l b ) I n stal l seco n d ary ch ain ten sioner on cyl ind er h ead ( arrows ). Keep t ensioner compressed u sing BMW sp ecia l tool 11 3 29 2 or su itabl e p in. Fit ex h aust camshaft sp l in ed sl eev e. Co n f irm t h at g ap in sl ee v e sp l in es alig n s wi t h cor[...]

Pl ace in take and ex h au st sp rockets in BM W sp ecia l t ool 11 6 18 0. Po sitio n sp l ine g ap on in t ake sp rocket ( arr o w ) as shown an d p l ace seco n d ary ch ain on sp rocke t s. Re mov e ch ain and sp rocke t s from t oo l and sl id e sp rocke ts on camsh aft s. Co n f irm t h at g ap in in t ake sp rocket sp l ines l in es up wi th[...]

asse mb l y. I n itia l l y t ig h t en t o app rox . 5 Nm (44 in -l b ) and t h en b ack off b y h alf a tu rn . Fit t h ru st sp acer ( A ) on ex h aust camshaft . I n stal l sp ring p l ate ( A ) t o ex h au st camshaft . M ake su re th at F mark is v isi b l e. No te: I f F mark i s no l ong er vi si bl e, i nstall spring plate so that con vex [...]

Pu l l out ex hau st camsh aft sp l ined sh aft to stop . - Press down on seco n d ary ch ain tension er and remo v e t ensioner l ock-down tool . Preload p rimar y ch ai n : T ig h t en ad j u st in g screw on BM W sp eci al t oo l 11 4 22 0 t o sp eci f ie d torq u e. Ti gh teni n g torqu e Prima ry ch ain ten sioner p rel oa d 0.7 Nm (6 in -l b [...]

Mak e su re all ga ske t mate rial i s re mo ved f ro m fac e o f cy li n d er head. Clea n se ali n g face and kee p fre e of o i l. If any for ei g n ma t er i al is p res ent o n the sea l i ng su rfa ce , th e ca mshaft timin g w il l b e i nco rr ect. Secure camshaf t sp rockets an d impu l se wheels: T ig h t en mou n t ing screws ( A ) on ex[...]

ea ch oth er. - Secure cranksh aft in TD C p osi t ion wi t h BM W sp ecia l tool 11 2 300 . Pl ace BM W sp eci al t oo l 11 3 24 0 ov er camshaft s an d mea su re cl ea rances. No te: I f the exh aust si de of the tool (A) i s no t f l ush w i th t he h ea d, camsha f t ti mi ng i s i ncorre ct . R ese t camsha f t ti mi ng as de scri bed i n 117 [...]

re mo ved f ro m fac e o f cy li n d er head. Clean sealin g face and ke ep free of oil. If any fo re ign ma terial i s pres ent on th e se ali ng su rfac e, th e ca mshaft timin g w il l b e i nco rr ect. Chec k l o ca tin g d owe l (A ) and dowel sleev e (B ) at to p o f cy l in d er h ea d fo r d am ag e o r in co rre ct i nstallation. - Re p l [...]

Set sc rews have l eft hand threa d . Ti g hten co unter cloc kwise . Ti gh teni n g torqu e Hydrau l ic p i st on to sp l ined sh aft M 6 set scr ew 10 Nm (89 i n -l b ) Re p l ace sealin g caps insid e V A NOS u n it wi t h BM W sp eci al t oo l 11 6 17 0, or sh ort f l at n osed p l iers. I n sert an d secure V A NOS sealin g p l u g s ( arr o w[...]

Ti gh teni n g torqu e Oil l in e to V A NOS u n it (b anj o b ol t) 32 Nm (24 f t -l b ) - Re mov e BM W sp eci al tool 11 4 22 0 an d r ei n stal l ch ain t ensioner cyl ind er. Ti gh teni n g torqu e Prima ry ch ain ten sioner cyl in d er to cyl ind er h ea d 70 Nm (52 f t -l b ) - Re mov e f l ywheel l ocking t oo l f rom tran smissi on b el l [...]

Ti gh teni n g torqu e Cylin d er h ea d cov er to cyl in d er h ead ( M 6) 10 Nm (89 i n -l b ) - I n stal l ex h aust man ifol d s u sing n ew g aske t s an d n u t s. Coa t manifol d st u d s with copp er p ast e p rio r t o in stal l ing n u ts. Ti gh teni n g torqu e Ex h au st man ifold to cyl ind er h ea d (M 7) 20 Nm (15 f t -l b ) - I n st[...]

Ca refu l l y ch eck in take manifold g aske t and rep l ace if n ecessa ry. I n sp ect O -rin g seal b et w een m ass ai r fl ow sen sor and air fil ter h ousin g . To f aci l itate reasse mb l y, coa t seal with acid-f ree gr ea se. CA UTI ON! Wh en rea ttac h in g thro ttle ass embly harnes s co nn ec to r, co n n ec tor i s fully tightened w h [...]

Re con n ect b att ery. CA UTI ON! To prev ent d am ag in g e ngine elec tro ni c sy ste ms, i nstall all gr o und wi re s prev i ou sly re mo ved, i ncl u d i ng the gr ou n d w ires for the i gniti o n co il s. Ti gh teni n g torqu es Co ol an t d rain p l u g to cyl ind er b l ock 25 Nm (18 f t -l b ) Ra d iato r coolin g fan t o coolant p u mp [...]

113-4 Di a g n os ti c T es ti ng Cylinde r c om press ion, che c ki ng A comp ressio n g au g e is n eeded t o make a comp ressi on test. For accu rate test, t h e b attery and st arter mu st b e capab l e of crankin g t h e eng in e at l ea st 30 0 rp m, and t h e en g in e sh oul d b e at n orma l op era t ing temp eratu re. No te: Performing a [...]

Fail u re to re mo ve th e DME m ain re l ay o r attem p ti ng to d isable th e igniti o n sys tem by other met hods ma y res u l t in d ama ge to the engine co ntro l mo d u le (ECM). Re mov e h ou sing f or int eri or v ent il ation micro f ilt er. Re mov e u p p er cov er an d micro f ilt er. Op en wi ring h arn ess l oo m cov er ( A ) and remo [...]

remo ved. I n stal l compressio n g aug e in f irst cyl ind er' s sp ark p l u g h ol e, tig h t enou g h to f orm a g ood sea l . - With p arking b rake set, tran smissi on in PA RK or NEU TR AL , an d accelera t or p ed al p resse d t o f l oo r, cran k en g in e wi t h starter. Record h igh est v alu e ind icated b y g aug e. No te: The com[...]

Lo w comp ressi on ind ica t es a p oo r l y sealed combu st ion ch amber. Re l ativ el y ev en p ressu res th at are b elow sp ecifica t io n n orma l l y ind icate wo rn p iston ring s an d / or cyl ind er wa l l s. Erratic v alu es ten d t o in d icate v alv e l ea kag e. Dra matic d iff erences b etwee n cyl ind ers are often th e sign of a fai[...]

- Re p eat compressio n t est, t h is time wi t h ab out a t ea sp oon of oil sq u irted in t o ea ch cyl in d er. (The oi l will t emporari l y h elp seal b etwe en p iston rin g s and cyl in d er wa l l , p racticall y el imi n ating l ea kag e p ast ring s for a sh ort time.) - I f th is test yie l d s h igh er compressio n readin g t h an "[...]

116-1 Gen era l T h is r epair g roup cov ers cyl in d er h ead and v al v etrai n serv ice an d rep ai r. Proce d u res d escribed h ere requ ire th at th e cyl ind er h ea d f irst b e remo v ed as d escri b ed in 113 Cyl ind er He ad Re mov al an d In stal l atio n . No te: For t i mi ng cha i n an d VA N O S rep ai r i nforma t i on , see 11 7 [...]

M ost of th e rep ai rs to a cyl ind er h ea d requ ire p reci sio n machin e wo rk t o sp eci f ic t ol era n ces. This t yp e of work sh oul d b e p erformed b y an au t h orize d BM W repair f aci l ity or an A SE certifie d machin ist. Cylin d er h ead j ig BM W 00 1 490 V alv e sea t g rind er BM W 00 3 52 0 V alv e g u ide rea mer BM W 00 4 2[...]

V alv e stem seal g u id e BM W sp ecia l tool 11 1 960 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cy li n d er Hea d an d V al vetrai n h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 3 of 3 2/ 25/ 2009 9: 47 PM[...]

116-2 Cyl i n der Hea d T h is sect io n p rov id es t h e sp ecifica t io n s and sp ecia l recond itio n in g in formatio n n ece ssary t o repair t h e cyl in d er h eads cov ered b y t h is manu al . T h e d isa ssembl ed cyl in d er h ea d sh oul d b e insp ect ed for warpag e and cracks. Ch eck th e v alv e g u id es and v alv e sea t s for w[...]

g iv en in T ab l e a . Tabl e a. Cyli nd er h ea d h eigh t Ne w M in i mum heig ht (di mension A) 14 0.0 mm (5.512 in) 13 9.7 mm (5.500 in) Va lves, lea k test T o t est t h e v alv es for l eaka g e, t h e cyl ind er h ead mu st b e d isasse m b l ed wi t h camshaft s and camsh aft carrie rs remo v ed. Inst al l t h e v alv e assembl ies and t h[...]

I f th e ca ms h aft is b ein g replace d due to cam l o b e wear, it i s re co mme nd ed that th e co rre spondi n g li fters shou ld also b e re pl ac ed to av oid d ama ging the n ew cam shaft. Hydrauli c lifters, c hec ki ng and repla c ing M odern BM W 6 cyl in d er en g in es u se self -adj u stin g h yd raul ic l ifters t o kee p th e v al v[...]

Op en wi ring h arn ess l oo m ( A ), remo v e h arness an d l ay aside. Unf asten screw s ( B ) a n d take off l ow er micro f il ter h ou sin g . - Re mov e eng ine cov er. - De t ach p ositiv e a n d g rou n d conn ections f rom int ake man ifold and cyl in d er h ead cov er, as n ece ssary. Re mov e ig n itio n coils. Di scon n ect ign ition co[...]

Use a p l astic or wo od en st ick to p ress d ow n on t op of l i f ter. If th ere is an y n otice ab l e cl eara n ce, th e l ifter i s fau l ty and sh ou l d b e rep l aced. No te: W hen che cki ng a hydra ul i c l i ft er, make sure t he corre spon di ng camsha f t l obe i s faci ng up so that there i s no valve spring pre ssure on t he f oll o[...]

116-3 Va l v es Va lves, rem ov ing and i ns tal li ng - Re mov e cyl in d er h ead as d escri b ed in 113 Cyl ind er He ad Re mov al an d In stal l atio n . CA UTI ON! Do n ot let th e hydrau l ic li fte rs fall o u t as the cam shaft car rier is re mo ved. Sp ec ial su ction cu p s ar e ava i l able fro m B M W to h o ld the h ydra u l ic li fter[...]

th e v al v es u sing a wire b ru sh or wire wheel. Tabl e c. Valve spec ifi ca tio ns Specification M 52TU 2.5/2.8 eng in es (19 99 - 20 00) M 54 2.5/3.0 eng in es (20 00 - 20 01 ) V al v e h ead d ia. I n t ake 33 .0 mm (1.29 9 in .) Ex h au st 30 .5 mm (1.20 1 in .) V al v e stem d ia. Stan d ard I n t ake 6.0 -0. 015 mm (0.23 62 -0. 0006 in .) [...]

Tabl e c. Valve spec ifi ca tio ns Specification M 52 TU 2.5/2.8 engi n es (19 99 - 20 00) M 54 2 . 5/3.0 engi n es (200 0 - 20 01) Ex h au st 6.2 -0. 040 mm (0.24 41 -0. 0016 in .) Va lve guides BM W d oes n ot su p p l y v al v e g u id es as repl aceme n t p arts. If a v alv e g u id e is ex cessiv ely worn , it sh ou l d b e rea med to accept o[...]

valve guides w hen rep l acing t he gu i des. BM W su p p l ies ov ersize v al v es. See Ta b l e d for ad d itional in formatio n . Tabl e d. Valve gu id e specifica ti on s Specification s M 52 TU / M 54 engi ne(19 99 - 20 01) V al v e g u id e we ar, max i mu m (v al v e til t cl ea ran ce mea su red with n ew v alv e) 0.5 mm (0.02 0 in. ) V al [...]

d isa ssemb l ed and t h e v al v es remov ed as describ ed abov e u n d er V al v es, remo v ing an d in st all ing . No te: BMW spe ci al t oo l s are ava i l able to remo ve t he va l ve stem oi l seals. As an alt ern ati ve, stand ard valve seal remo val tools are avail able f rom most au t omotive parts st ores. Lub ricate n ew se al and in st[...]

Tabl e e. Valve se at spec i fi ca ti o ns Specification M 52 TU/M 54 engi n es (19 99 -200 1) B : Corre ct ion ang l e, outsid e 15 ° C : Corre ct ion ang l e, i n sid e 60 ° D : V alv e seat wi d th int ake 1.65 ± 0.25 mm (0.0 65 ± 0. 01 0 in ) ex h aust 1.65 ± 0.25 mm (0.0 65 ± 0. 01 0 in ) E : V al v e sea t out side d ia . int ake 32 . 4[...]

117-1 Gen era l T h is r epair g roup cov ers timin g ch ain and V aria b l e Ca m sh aft Ti min g (V A NOS) r epair inf orma tion. T h e timing ch ains are l u b rica t ed b y eng in e oi l an d d o n ot req u ire mai n t en an ce. W orn timing ch ain s an d sp rocke ts can l ead t o noisy op era t ion and erratic v alv e t imi n g . A fau l ty te[...]

Cra n ksh aft h u b l ocki n g t ools BM W 11 2 15 0 / 11 2 410 Cra n ksh aft l ocking t oo l B M W 11 2 30 0 Sea l ex tractor t ool B M W 11 2 38 0 Ca msh af t l ocking tools BM W 11 3 24 0/11 3 24 4 I n stal l er b u sh BM W 11 3 28 0 Cam sh af t T i m i n g Ch ain h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man[...]

Seco n d ary ch ai n ten sioner l ocking p in BM W 11 3 292 A ir l in e fitt in g BM W 11 3 450 Prima ry ch ain t ensioner tool BM W 11 4 22 0 V A NOS setu p b racket BM W 11 6 15 0 Seco n d ary sp rocket t oo l BM W 11 6 180 Cra n ksh aft h u b l ocki n g t ool BM W 11 8 19 0 / 11 8 200 Cam sh af t T i m i n g Ch ain h tt p: // e bah n .ben t l e [...]

Pu l l er f or cranksh af t h u b BM W 11 8 21 0 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cam sh af t T i m i n g Ch ain h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 4 of 4 2/ 25/ 2009 9: 50 PM[...]

117-2 Cra n k s h a f t Fron t Oi l Sea l T h e cranksh aft fron t seal is l ocate d in th e l ow er timi n g cov er on th e fron t of th e en g in e, b eh in d th e v ibration d amper. No te: Ca rs buil t up t o Jan uary 20 00 are f i t ted w i t h a 2-piece vibrati on da mper and hu b asse mbl y. Cars bu i l t f rom Janu ary 200 0 use an i nteg r[...]

Simi l arl y, t u rn main eng ine d riv e b elt ten sio n er h ex ( B ) cl ockwi se and remov e b el t . - Secure cranksh aft h u b u sing sp eci al h ol d ing t oo l s: Up to 1/200 0 p rodu ct ion: u se sp eci al t oo l s 11 2 15 0 an d 11 2 41 0. From 01/20 00 p rodu ction: u se sp eci al t oo l s 11 8 19 0 an d 11 8 20 0. CA UTI ON! Do n ot u se[...]

hu b f rom cran ksha ft . Pl ace sp ecia l tool 11 2 38 3 on en d of cranksh aft to cov er th r ea d ed h ol e, an d fit sp eci al t oo l 11 2 38 5, al ign ing g roov e in 11 2 385 wi th keywa y on cran ksh aft ( ar row ). Pu t sp ecia l t oo l 11 2 380 ov er tools inst all ed on cranksh aft, and screw in u n t il it make s f irm cont act w ith th [...]

Ti gh teni n g torqu e h u b t o cranksh aft ft -l b ) CA UTI ON! Do n ot u se B MW spec i al too l 11 2 30 0 to hold cra n ks haft statio nary to loo se n o r tighten cra n ksha ft h ub ce n ter bolt. Use o n ly th e spec ial to ols spec i fi ed, or equiv alent h ub holdi ng to o l . I n stal l v ib ratio n d amp er moun t ing b ol ts, where app l[...]

117-3 Ca m s haf t T i m i ng Ch a i n s , Rem ov i ng Ca msh af t timin g ch ain remov al requ ires th at t h e en g ine oi l p an b e remo v ed. This req u ires rai sin g t h e eng in e an d /or l ow eri n g t h e f ron t su sp en sio n su b fr ame . See 11 9 Lub ricatio n System . Also req u ired is remo v al of t h e V A NOS u n it an d d isa s[...]

viii. Re mov e micro fil ter for in terior v ent ilation . Re mov e micro fil ter h ou sing : Op en wi ring h arn ess l oo m ( A ), remo v e h arness an d l ay aside. Unf asten screw s ( B ) a n d take off l ow er micro f il ter h ou sin g . Re mov e compl ete ai r f ilt er h ou sing : Re l ea se mass air fl ow sensor cl ips ( A ). Re mov e f ilt e[...]

Re mov e eng ine cov ers: Re mov e p l astic t rim cov ers ( ar row s ). Re mov e cov er h ol d d own b ol t s. Dra in en g in e coo l an t and remov e coo l an t h ose s. Re mov e ex p ansion t ank cap on radiator. Pl ace a 3-g all on p ail b eneath eng in e to capt u re coolant . Re mov e eng ine b l ock d rain p l u g on ex h aust sid e n ear cy[...]

- Re mov e radiator coo l in g f an sh roud an d vi scou s cl u tch coo l ing fan (cars with aut oma t ic tran smissi on) or el ectric co ol i n g fan (cars with manu al tran smissi on). S ee 170 Radia tor and Coo l in g System CA UTI ON! On ca rs wi th visco u s clu tch, 32 mm co o li ng fan mo u n ti n g n u t h as l eft hand threa d s. Re l ea s[...]

- Dra in en g in e oil and remov e oil p an as d escribed in 11 9 Lub ricatio n System . - On cars p rod u ced u p t o 1/20 00 wi t h 2-piece v ib ration d amp er: Re mov e v ibr atio n d amper moun t ing b olt s and sep ara te v ibration d amp er and p u l l ey f rom cranksh aft h u b . No te: Ca rs buil t up t o Jan uary 20 00 are f i t ted w i t[...]

fitt ing ( arr o w s ). - Di scon n ect electr i cal con n ection at int ake camsh aft p ositio n sen sor ( A ). Re mov e ig n itio n coils an d sp ark p l u g s: Pu l l u p on retainin g cl ips t o d isco n n ect ig n itio n coil h arn ess conn ectors. Re mov e g rou n d in g strap s at coil moun t ing stu d s. Re mov e al l ig n ition coils. Re m[...]

Working at l eft f ront of cyl ind er h ead, d isco n n ect el ectrical con n ectio n s at ex h au st camsh aft p osi t ion sen sor an d ex h au st camsh aft V A NOS con t rol v al v e ( ar row s ). Re mov e b an j o b ol t f rom V A NOS contr ol u n it oil p ressur e l ine. Use b anj o b olt to att ach BM W sp eci al t oo l 11 3 45 0 (comp resse d[...]

co u nterc l oc kwi se to re ach t he top dead center p o siti on. I n stea d , co mplete ano t her two co mpl ete ro tatio ns. Re mov e sealing p l u g f rom b ore on l ow er l eft sid e of en g in e b l ock b el ow starter. S ecure cran ksh aft in TDC p osi t ion wi t h BM W sp eci al t oo l 11 2 30 0 ( arr o w ). Unscrew and remo v e t h rea d e[...]

Ha ve a container an d rags rea dy. Pu l l sea l ing cap s straigh t out of V A NOS u n it with BM W sp eci al tool 11 6 17 0, or wi th sh ort n ose p l iers. No te: Add i ti ona l oil may dra i n f rom VANOS un i t . Re mov e set screws (l eft h and t h read) on en d s of int ake and ex h aust camshaft s. CA UTI ON! Set sc rews have l eft hand thr[...]

residua l oi l . Pl ace sho p tow el s be nea th ad ju st ment unit w he n remo vi ng . I f the VANOS control un i t i s rep l aced , or i f r ep ai r op erati on s are comp l eted that may cha ng e camsh aft t i m i ng , the camsh aft ti mi ng must be che cked a s de scri bed l ater i n t his cha pt er. Re mov e p rimary camshaft ch ai n tension e[...]

Re mov e sp rin g p l ate ( A ). Re mov e in take ca msh aft sp rocke t moun t ing n u t s ( arr o w s ) and remov e sp ring p l ate (l ab ell ed FRO NT ). Re mov e t orx screw s from ex h au st camshaft sp rocke t ( ar rows ). Li f t off ex h au st an d int ake sp r ocke t s toget h er wi t h second ary ch ai n , t h ru st sp ace r ( A ) an d sp l[...]

spli ned shafts in or der to re i nstall i n o riginal loca ti o ns. Re mov e ex h aust camshaft sp l in ed sl ee ve ( A ) and sh af t ( B ). Re mov e second ary ch ain ten sioner moun t ing b olt s ( ar rows ). Re mov e tension er whil e kee p in g l ocki n g p in in p l ace . Re mov e p rimary ch ai n sp rocke t moun t ing stu d s ( arr o w s ) o[...]

Set t imi n g ch ai n on ex h aust camshaft end . Working in cyl in d er h ea d cav ity, remo v e timing ch ain cov er b olt s ( ar row s ). Re mov e second ary ch ain l owe r g u id e b olt s ( ar rows ). Re mov e ch ai n g u ide. No te: Bolt on i ntake camsha f t si de i s l ong an d exten ds i nto ti mi ng chain cove r. - Re mov e cranksh aft h [...]

to ro tate wh en th e ti ming chains are loo se ned or rem ov ed. T h e pi sto n s ca n co n tac t th e va l ves . Usi n g a d rift of l ess t h an 5 mm d ia met er, d riv e two l ocating d owe l s ( A ) in l eft an d righ t sides of l owe r t imi n g ch ai n cov er t ow ard rea r of car. Re mov e cov er mou n t ing b olt s ( ar row s ) an d care f[...]

5 - Prima ry chain tension er 6 - To rx scr ew 7 - Exhaust se con d ar y sprock et 8 - Spl in ed shaft 9 - Sec o n dary timin g chain 10 - Spl in ed slee ve 11 - Prima ry sprock et 12 - Th re ad ed stud 13 - Sec o n dary chain t ension er 14 - Sprocke t moun tin g n ut 15 - Sprin g p late 16 - Spl in ed shaft 17 - In tak e ca mshaft sprock et 18 - [...]

23 - Th re ad ed stud 24 - Prima ry chain 25 - Th re ad ed stud 26 - Gu i de rail 27 - Th re ad ed stud 28 - Wo o druff ke y Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cam sh af t T i m i n g Ch ain h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 16 of 1 6 2/ 25/ 2009 9: 51[...]

117-4 Ca m s haf t timi n g ch a i n s , I n s ta l l i n g CA UTI ON! Th e p ro ce dur e ou tl in ed b elow as su me s th at th e ca ms h afts a nd t he cr ankshaft ar e lo cke d i n th e TDC in sta ll atio n p o sit ion w ith spec i al loc kin g to ols as shown ea rl ier . I n sp ect t iming ch ain sp rockets. In sp ect g u id e rai l an d t ensi[...]

u p p er en d f rom ex h aust camsh aft. - I f n ecessa ry, rep l ace cra n ksh aft sea l as d escrib ed earl ie r. - T o in st all l owe r t imi n g case cov er: Clean cov er an d cyl ind er b l ock sea l in g su rf aces. Use n ew g aske ts and coolan t p ip e O-rin g . Dri ve timing cov er d ow els in u n til th ey j u st p rotru d e sl ig h tl y[...]

Ti gh teni n g torqu es Lo we r timin g cov er to cyl ind er b l ock (M 6) 10 Nm (89 i n -l b ) - I n stal l oi l p an wi t h n ew g asket. See 119 Lu b ricatio n System . Ti gh teni n g torqu e Oil p an t o eng ine b l ock (M 6) 8.8 g rade 10 Nm (89 i n -l b ) 10 .9 g rad e 12 Nm (9 f t-l b ) I n stal l cranksh aft h u b or v ib ration d amper t o[...]

I n sert BM W sp eci al t oo l 11 4 22 0 i n cyl ind er h ead an d screw in adj u stmen t screw b y h an d j u st u n t il it con tact s tension ing rail. No te: BMW spe ci al t oo l 11 4 22 0 i s a dummy primary chain t en si on er an d si mulates the functi on of the tensione r. - M ake su re arrow on t op p r ima ry sp rocke t is stil l l in ed [...]

Fit ex h aust camshaft sp l in ed sl eev e, alig n in g g ap in sl eev e spl ines with corre sp on d in g g ap on camsh aft sp l ines ( ar row s ). Sl ide sp l ined sh aft on to ex h au st camshaft , al ign in g l arg er tooth with corre sp on d in g g ap of sp l in ed sl eev e. Sl ide sp l ined sh aft in f u rt h er u n til 3 small sl ots in sp l [...]

I n stal l int ake camsh aft sp r ing p l ate so th at FRONT mar k is v isi b l e. I n stal l moun t ing n u t s ( arr o w s ) fin g er t igh t. Working at ex h aust sid e, in sert sp rocke t moun t in g T orx screw s in t o th r ea d ed h oles ( ar row s ). I n itia l l y t ig h t en screw s t o app rox . 5 Nm (44 in-l b ). Back off h al f a tu rn[...]

I n stal l sp ring p l ate ( A ) t o ex h au st camshaft . M ake su re th at F marki n g is v isi b l e. No te: I f F marki ng i s no l on ger vi si bl e, i nstall spring plate so that con vex si de po i nts forw ard (tow ard fr on t of car). I n stal l ex h aust camsh aft imp u l se wheel, al ig n ing mark ( B ) w ith top edg e of cyl in d er h ea[...]

Ti gh teni n g torqu e Prima ry ch ain ten sioner p rel oa d 0.7 Nm (6 in -l b ) Preload ex hau st camsh aft sp rin g p l ate b y p ressi n g on impu l se wh ee l wh ile tig h t enin g moun tin g n u t s ( arr o w s ) fin g er tig h t. I n stal l BM W sp eci al tool 11 6 150 (V A NOS setu p b racke t) t o fron t of cyl ind er h ead t iming case . -[...]

ex h au st an d int ake sp rocke t asse mb l ies to app r ox . 5 Nm (44 in-l b ). T orq u e d own moun t ing screws ( A ) and n u t s ( B ) t o final sp ecifica t io n s. Ti gh teni n g torqu es Sp rocket assem b l y to camsh aft in itia l torq u e 5 Nm (44 in -l b ) Sp rocket assem b l y t o cam sh aft M 7 T orx screw ( A ) 20 Nm (15 f t -l b ) M [...]

thi s r ep ai r gro up. Du e t o f l exibl e sprocke t de si gn , VANOS un i t tol era nce s, and p l ay i n the VANOS spl i ne s, w he n the camsh aft t i m i ng i s set corre ctl y, the int ake si de of special t oo l 11 3 24 0 may be up to 1 mm (0.04 i n) ab ove the surface of the cyl i nde r he ad (ga p B ). Thi s i s no rm al. Ot he r w i se, [...]

T orq u e cran ksh aft h u b cent er b olt , u sing sp ecia l t ools 11 2 150 / 11 2 41 0 (t o 1/20 00 ) or 11 8 1 90 /11 8 20 0 (f rom 1/200 0). CA UTI ON! Do n ot u se B MW spec i al too l 11 2 30 0 (fl ywheel loc kin g to ol) to hold cr ankshaft sta tio n ar y to loo sen or tighten cra n kshaft h ub ce n ter bolt. Us e only th e specia l too ls [...]

117-5 Va n os T h e mai n comp onen t s of th e d ou b l e V A NOS system are: I n take and ex h au st camshaft s with h elical sp l ine insert s Ca msh af t sp rockets with adj u stab l e g ears V A NOS actu ators (two p osi tion p iston h ou sing with int ernal /ex t ernal h elical sp l ine cu p ) T h r ee -way solen oi d swi t ch in g v alv es C[...]

p osi t ions. T h e Do u b l e V A NOS syst em al l ow s f u l l v ari abil ity of camsh aft t imi n g u p t o t h e l imi ts of th e syst em. W h en th e ECM d etects t h at th e camshaft s are in optimu m p ositio n , t h e sol enoi d s are modu l ated at ap p rox ima tel y 100 - 22 0 Hz to maint ai n oi l p ressu re on b oth sides of th e actu a[...]

Tabl e a. VANO S fault codes BM W code P-code Faul t desc rip tio n 19 P1 529 VA NOS solen oid v alv e activ ation, ex h au st 21 P1 525 VA NOS solen oid v alv e activ ation, int ake 10 3 P15 19 V A NOS fau l t y refere n ce v alu e int ake 10 4 P15 20 V A NOS fau l t y refere n ce v alu e ex h au st 10 5 P15 22 V A NOS stu ck (Bank 1) in take 10 6[...]

VA NO S control unit 1 - Bolt M 6 2 - Exhaust ca mshaft po siti on sensor 3 - Sea l in g rin g 4 - Ca mshaft end se ali ng pl u g tig h t en t o 50 Nm (37 f t -l b ) 5 - Ca mshaft se al ca p 6 - VAN OS hydraulic pi ston se t scr ew CA UTI ON: l eft h an d th rea d tig h t en t o 10 Nm (89 in- l b ) 7 - Nut M 7 tig h t en t o 14 Nm (10 f t -l b ) 8 [...]

9 - Stud M 7 10 - Nut M 6 tig h t en t o 10 Nm (89 in- l b ) 11 - Gask et 12 - Cy l i nd er head 13 - Sea l in g rin g 14 - In tak e ca mshaft se n sor 15 - Bolt M 6 16 - VAN OS control un it 17 - Copp er sea l i ng ring 18 - VAN OS oi l feed li n e 19 - Ba n jo b ol t tig h t en t o 32 Nm (24 f t -l b ) VA NO S control unit, re m ov i ng No te: I [...]

n egativ e (-) b attery cab l e. CA UTI ON! Prio r to d isco nn ecting the batter y, rea d th e b atte ry di sc o n n ect ion cau tions giv en at the fro n t of th is ma n ua l o n pag e viii . Disc onn ec ti n g th e batter y ma y er as e fau l t co d e(s ) sto red i n co ntro l mo d u le mem ory . Check fo r fau lt co d es us i n g special B MW d[...]

With comp resse d air l in e conn ect ed, tu rn en g in e at l ea st twice in d ire ct ion of rotatio n u n til cyl in d er 1 int ake and ex h au st camsh aft l obes ( arr o w s ) f ace ea ch oth er. Re mov e sealing p l u g f rom b ore on l owe r l eft sid e of en g in e b l ock (f l ywh ee l en d ). Secure cran ksh aft in TD C p ositio n with BM [...]

Re mov e sealing caps f rom in sid e V A NOS u n it wi t h BM W sp eci al t oo l 11 6 17 0, or with sh ort f l at n ose p l ie rs. No te: Add i ti onal oil may drain f rom VANOS un i t . Re mov e set scr ew s (l eft h an d t h read) on end s of int ake an d ex h aust camshaft h yd rau l ic p iston s. CA UTI ON! Set sc rews have l eft-hand th re ads[...]

Do n ot cr ank or tur n o ve r engine w i th VA NOS unit re mo ved. Pi sto n / va l ve in terf er ence i s pos sib le. VA NO S control unit, inst a ll ing Clean cont act edg es of cyl in d er h ead face and V A NOS u n it an d ap p l y a t h in coa t of sealin g compou n d (3-Bond ® 12 09 or equ i v al ent ) to su r faces. CA UTI ON! Mak e s ur e [...]

Re in stal l en g in e su p p ort eye . Ti gh tenin g torqu e V A NOS u n it t o cyl ind er h ead M 6 n u t 10 Nm (89 i n -l b ) M 7 n u t 14 Nm (10 f t -l b ) I n sert an d tig h t en d own V A N O S h yd rau l ic p iston set screw s on int ake and ex h aust camshaft s. CA UTI ON! Set sc rews have l eft hand threa d. Ti g h ten co unter cloc kwise[...]

- Fit V A NOS oi l l ine b anj o b ol t with n ew seals. Attach oil l in e to V A NOS u n it. Ti gh tenin g torqu e Oil l ine t o V A NOS u n it ( b anj o b olt ) 3 2 Nm (24 f t -l b ) - A tt ach el ectrica l h arn ess con n ectors to camsh aft p ositio n sen sors an d V A NOS solen oid v alv es. - R emo v e BM W sp ecia l l ocki n g tools from rea[...]

of remov al . Ti gh tenin g torqu es R adiator fan (v isco u s cl u t ch ) to coo l an t p u mp 40 Nm (30 f t -l b ) Sp ark p l u g t o cyl ind er h ea d 25 Nm (18 f t -l b ) Cam sh aft t im ing, adjust i ng Use t h is p rocedu re t o ch eck an d , if n ecessa ry, ad j u st camshaft t iming . Th is p roce d u re assu mes th at t h e cyl in d er h e[...]

Preload p rimar y ch ai n t en sio n er rai l : T ig h t en ad j u st in g scr ew on BM W sp eci al t oo l 11 4 22 0. Ti gh tenin g torqu e Pri mary ch ain tension er p reload 0.7 N m (6 in-l b ) Unscrew oi l p r essure p ip e f rom V A NOS u n it. Remo v e b an j o b olt f rom oi l p ressur e l ine an d in stal l B M W sp ecia l tool 11 3 450 . CA[...]

- U n screw a n d remo v e cyl in d er h ead cov er stu d s at rea r of cyl in d er h ead. Pl ace BM W sp eci al t oo l 11 3 24 0 ov er camshaft s end s and mea su re cl ea rance of t oo l t o cyl ind er h ead su rf ace . No te: I f t he exh aust si de of the tool ( A ) i s no t fl ush w i th the h ead , r eti me the camsh afts as de scri be d be l[...]

Lo osen ex h aust camsh aft sp rocke t moun t in g b ol ts ( A ) tu rn . Lo osen ex h aust camsh aft imp u l se wheel mou n tin g n u t s ( B ) 2 tu r n s. Sl ide ou t in take camsh aft sp l in ed sh aft u n t il app rox . 1 mm (0.04 in) of sp l ines ( ar row s ) can b e see n . Pu l l ou t ex hau st camsh aft sp l ined sh aft to st op. - M a ke su[...]

Preload p rimar y ch ai n t en sio n in g rail: T ig h t en ad j u st in g scr ew on BM W sp eci al t oo l 11 4 22 0. Ti gh tenin g torqu e Pri mary ch ain tension er p reload 0.7 N m (6 in-l b ) Preload ex hau st camsh aft sp rin g p l at e b y p ressi n g on impu l se wh ee l . Ti g h ten moun t in g n u t s ( arr ow s ) b y h and . Do not tig h [...]

app rox . 5 Nm (44 in-l b ). Pretigh t en mou n t ing n u t s ( B ) on ex h au st an d int ake sp rocke t asse m b l ies to app rox . 5 Nm (44 in-l b ). T orq u e d own To r x screws ( A ) and n u t s ( B ) t o fin al sp eci f icatio n s. Ti gh tenin g torqu es Sp rocke t asse mb l y to camsh aft in itia l torq u e 5 Nm (44 in-l b ) Sp rocke t asse[...]

no t fl ush w i th the h ead , camsha f t ti m i ng i s i ncorre ct . Re pea t camsh af t ti m i ng proce dure . Du e t o f l exibl e sprocke t de si gn , VANOS unit t ol era nce s and play i n the VANOS spl i ne s, w he n the camsh aft t i mi ng i s set corre ctl y, the i ntake side of special tool 11 3 240 (B) may be up to 1 mm (0.04 i n) ab ove [...]

n ew seals. Attach oil l in e to V A NOS u n it. Ti gh tenin g torqu e Oil l ine t o V A NOS u n it ( b anj o b olt ) 3 2 Nm (24 f t -l b ) - R ema i n d er of en g ine asse mb l y is rev erse of d isa ssemb l y. Ti gh tenin g torqu es R adiator coo l ing fan (v isco u s cl u t ch ) to coo l an t p u mp 40 Nm (30 f t -l b ) C yl in d er h ead cov e[...]

119-1 Gen era l T h is r epair g roup cov ers l u b rica t ion system t roub l eshooting as well as oi l p an remov al an d oi l p u mp repl aceme n t. Spec ia l tools T h e eng i n e n eeds to b e p rop erly su p p orted wh il e th e fron t su sp en sion su b f rame is remov ed t o access th e l u b ricatio n syst em. If BM W sp ecia l tools 00 0 [...]

Engine lubric ation Oil p r essure is g en era ted b y a g ea r -typ e pu mp b ol ted to t h e b ott om of th e en g in e b l ock. T h e oil p u mp is ch ain d riv e n off t h e fron t of th e cranksh aft . Oil p assag es in th e cyl in d er b l ock an d cyl ind er h ead con n ect t h e oi l p u mp to compon ent s su ch as camshaft s, cranksh aft a[...]

O i l pre s su re , c hec k ing I n some eng in es access to t h e oi l p ressure warnin g switch p ort may b e ex t remely rest ricted. - Unscrew oi l f il ter cap in ord er t o all ow eng ine oi l t o dr ai n b ack d ow n i n t o oi l p an. Di scon n ect h arn ess conn ector f rom oi l p ressure switch ( ar row ) and remov e swi t ch . CA UTI ON![...]

oil sho ul d be t he corre ct gra de . O i l pres sure I d l e (min imum) 0.5 b ar (7 p si) Re g u l ated p ressur e (elev ated eng in e sp eed) 4.0 b ar (59 p si ) - Re mov e p ressu re g aug e and rei n st al l p ressure swi t ch . Ti gh teni n g torqu e Oil p ressu re swi t ch to oil fil t er h ou sing 2 7 Nm (20 f t-l b ) I f testin g sh ows l [...]

Warn ing l ig h t on in stru men t p an el mu st l ig h t u p . - Re mov e conn ector from oil p ressure switch . Warn ing l ig h t on in stru men t p an el mu st g o ou t. CA UTI ON! Ru nn i ng the engine w i th the o i l pres su re swi tch d i sc onnecte d may se t a fau l t co de (DTC). No te: I f the l i ght doe s no t go out, the w i ri ng to [...]

Re p l ace a f au l ty switch . CA UTI ON! Ke ep i n min d that l ow oil p res su re ma y b e prev entin g the swi tch fro m tu rni n g th e li g h t ou t. If the l ight re mains on w h il e the eng i ne is ru nn i ng, check th e o il p re ssu re as desc rib ed ea rli er. Do n o t d rive th e ca r until t he p ro b l em i s co rr ecte d. Th e eng i[...]

119-2 Oi l Pa n T h e oi l p an remo v al p rocedu re requ ires th at t h e eng in e b e su p p orted f rom abov e and t h e f ront su sp ension su b f rame b e u n b ol ted an d l owe red from t h e ch assis. O i l pa n, re m ov i ng and ins ta lli ng (rear w he el drive m odel s) - Ra ise car and p l ace secu rely on j ack stan d s. WA RN I NG! M[...]

Pl ace drain pan un de r l i ne s t o catch ATF drips. Re mov e oi l d ipst ick g u ide t u b e: De t ach mou n t ing b ol t ( A ) f rom l eft eng in e moun tin g b racket. De t ach f u el l in es and wi ring h arness b racke t s ( B ). Di scon n ect oi l sep arato r h ose ( C ) from b ase of g u ide t u b e and remo v e tu b e from oil p an. No te[...]

Re mov e p owe r st ee rin g p u mp p u l l ey. Re mov e t wo mou n tin g b ol ts f rom th e fron t ( ar rows ) No te: Do no t deta ch po w e r st ee ri ng fl ui d l i nes from pump . Re mov e t h ird p owe r st ee rin g mou n tin g b olt ( ar row ) and remov e p u mp from its moun t ing b racke t. Use st i f f wir e to su sp en d p u mp from ch as[...]

Right si de i s sho w n i n pho t o. Le f t i s si mi l ar. Lo osen l owe r eng in e mo u n t f asten ers ( ar row s ). No te: Right si de i s sho w n i n pho t o. Le f t i s si mi l ar. I f app l ica b l e, remo v e fron t rid e l ev el sensor mou n tin g b ol t ( arr o w ) an d l ay sensor aside. Re mov e l eft an d rig h t fr ont cont rol arm b [...]

Re mov e l eft con t rol arm b al l j oi n t moun t ing n u t ( arr o w ) at f ront su sp en sio n su b fr ame . Dri ve b all j oi n t ou t fr om su b frame u sing soft h amme r. Pu sh con t rol arm aside. Re p eat for l eft sid e. Su p p ort su sp en sio n su b f rame f rom b elow u sin g ap p rop ria t e j acki n g equ ip men t. Remov e su b f ra[...]

materi al f rom matin g su rfaces and u se a n ew g aske t . A p p l y a smal l amo u n t of n on-h ard en ing sealer (3-Bond 12 09® or eq u iv alen t ) t o oi l p an g aske t d ire ct l y b elow j oi n t s ( ar row s ) f or end cov er and f ront timing case cov er. App l y a b ead 3 mm wide b y 2 mm h igh . T ig h t en oi l p an b ol t s t o cyl [...]

Use n ew oi l d ipst ick tu b e sealing O-rin g . Fil l eng in e with oil as d escribed in 02 0 M aint enan ce . A ft er ad d ing en g in e oi l , st art an d ru n eng ine. Rai se eng in e sp eed to 2,50 0 rp m u n til oi l p r essure wa rn in g l amp g oe s ou t (ab out 5 seco n d s). No te: BMW do es no t r eco mm en d a f ron t en d ali gnme nt [...]

O i l pa n, re m ov i ng and ins ta lli ng (all w hee l drive m odel s) - Ra ise car and p l ace secu rely on j ack stan d s. WA RN I NG! Mak e su re the car i s sta b l e and w ell su pp or ted at all ti me s. Use a pro fess ional au tom o t ive li ft or j ac k sta n ds desig n ed f o r the p ur p o se . A floo r jack i s not adequ ate su p por t.[...]

De t ach mou n t ing b ol t ( A ) f rom l eft eng in e moun tin g b racket. De t ach f u el l in es and wi ring h arness b racke t s ( B ). Di scon n ect oi l sep arato r h ose ( C ) from b ase of g u ide t u b e and remo v e tu b e from oil p an. No te: The gu i de t ub e i s sealed in the block using an O-r i ng . Ch eck that t he O -ri ng come s[...]

Re mov e t h ird p owe r st ee rin g mou n tin g b olt ( ar row ) and remov e p u mp from its moun t ing b racke t. Use st i f f wir e to su sp en d p u mp from ch assis. De t ach el ectrica l h arness con n ector at oi l l ev el sen sor. - Re mov e l owe r en g ine mou n t fasten ers. I f app l ica b l e, remo v e fron t rid e l ev el sensor mou n[...]

Re mov e cont rol arm rear b racket an d b all j oin t moun t in g b ol ts ( arr o ws ) f rom su b f rame . - Re mov e cont rol arms an d fron t d riv e ax l es as d escribed in 310 Fron t Su sp ensio n . - Re mov e f ront d ifferent ia l and rig h t ax l e inn er b ea rin g p ed estal as d escri b ed in 311 Fron t A x l e Fin al Driv e . Su p p or[...]

Lo wer oi l p an to r emo v e. CA UTI ON! I f th e o il p an doe s not s epara te ea sil y fro m th e eng in e cy l i nd er bl o ck , a few taps w it h a ru b ber ma l l et sho uld b re ak it free . Do not pry the oil p an l o o se. - Wh en rei n stal l in g oi l p an: T h oroug h l y cl ean all ol d g asket materi al f rom matin g su rfaces and u [...]

Ti gh teni n g torqu e M 8 T orx 2 1 Nm (15 ft -l b ) Re in stal l f ront d ifferent ia l and rig h t ax l e inn er b earing p edest al. See 3 11 Fron t A x l e Fin al Driv e . Fil l d iff ere n tial to l owe r ed g e of f ill p l u g . Ti gh teni n g torqu es Fil l or d rain p l u g t o fron t d iff erential 65 Nm (48 f t -l b ) Fron t d iff erent[...]

tab ( arr o w ) is seated corre ct l y in su b f rame sl ot. Ti gh teni n g torqu es En g in e moun t t o sub f rame M 10 se l f- l ocking n u t 45 Nm (33 f t -l b ) Fron t of su b f rame t o f rame rail (M 12 b ol t, al wa ys repl ace) 8.8 g rade 77 Nm (57 f t-l b ) 10 .9 g rad e 11 0 Nm (81 f t-l b ) 12 .9 g rad e 10 5 Nm (77 f t-l b ) Re ar of s[...]

Be sure t o ali gn the front end aft er thi s pro cedu re. Ti gh teni n g torqu es Stab ilizer b ar t o frame rai l (M8 n u t ) 22 Nm (16 f t -l b ) Steeri n g col u mn u n iv ersa l j oi n t cl ampin g screw (M 8 b ol t, u se n ew b ol t)- 22 Nm (16 f t -l b ) A l l w he el drive oil pan, front diff e re ntial a nd fron t s ubfram e ass e m bly 1 [...]

12 . 9 g rad e t igh t en to 105 Nm (77 f t -l b ) 6 - Bolt M 12 (always re pl ace ) tig h t en t o 11 0 Nm (81 f t-l b ) 7 - Bolt M 10 (always re pl ace ) tig h t en t o 59 Nm (44 ft -l b ) 8 - Bolt M 10 (always re pl ace ) tig h t en t o 59 Nm (44 ft -l b ) 9 - Bolt M 12 tig h t en t o 77 Nm (57 ft -l b ) 10 - Fron t con trol ar m w it h ball jo [...]

119-3 Com po n en t Repl a ce m en t O i l pre s su re w ar ning s w i tch T h e p ressure w arnin g switch is l ocated u n d er t h e int ake manifol d , in t h e re ar of th e oil f ilt er h ousin g . No te: Sw i tch remova l may req ui re i ntake man i f ol d remo val. Ti gh teni n g torqu e Oil p ressu re swi t ch to oil fil t er h ou sing 2 7 [...]

Oi l pump remova l req ui res l ow e ri ng the front susp ension subframe t o remo ve the oil pa n. - Dra in oil as d escribed in 020 M ai n ten ance . - Re mov e oi l p an as d escribed ea rl ier. Re mov e oi l p u mp sp rocket mou n t ing n u t (l eft -h an d th rea d ) ( ar row ). Lift sp rocke t off t ogeth er wi t h d riv e ch ai n . Re mov e [...]

11 - Oil p ick-u p p ipe 12 - Bol t M 6 -t igh t en t o 10 Nm (89 in-l b ) - On en g ines with int egrat ed oi l p u mp an d oil scraper: Remo v e oi l p u mp wi th scrap er. - On en g ines with separate oi l p u mp an d scrap er: First remo v e moun tin g b olt s and wi t h d r aw oil p u mp in take p ipe. Re mov e oi l p u mp mou n tin g b ol t s[...]

Ti gh teni n g torqu es p an (M 12) Oil p an t o eng ine b l ock M 6, 8.8 g rade 10 Nm (89 in-l b ) M 6, 10 . 9 g rad e 12 Nm (106 i n -l b ) M 8, 8.8 g rade 2 2 Nm (16 ft -l b ) Oil p u mp t o eng in e b l ock (M 8) 22 Nm (16 f t -l b ) Oil p u mp sp rocket t o oi l p u mp sh aft M 10x 1 l eft -h an d th rea d 2 5 Nm (18 f t-l b ) T ransmissio n b[...]

120-1 Gen era l T h is r epair g roup cov ers compon en t repl aceme n t inf ormatio n f or th e ign ition system. Wh en d ia g n osing en g ine man agement p robl ems, in cl u d ing on -b oar d d ia g n ostics (O BD I I) f aul t code analysis, al so refer t o th ese repair g roup s: 10 0 En g in e– G en eral 13 0 Fu el Inj ection El ectrica l W [...]

Prima ry v ol t age t est h arness BM W 12 7 02 0 Seco n d ary v ol tag e test h arn ess BM W 12 7 03 0 I g n itio n coi l t est adap ters BM W 12 7 04 0 Engine m a na gem e nt BM W E46 eng in es u se an ad v anced eng in e manag ement syst em kn own as Di g ital M otor El ectron ics (DM E). DM E incorp ora t es on- b oa rd d iagn ostics, fu el inj[...]

A d d itional i n f orma tion abou t DT Cs an d eng in e manag ement syst em el ectronic system d iagn osi s is p rov id ed in O BD On Boa rd Diagn ostics at t h e rea r of th is manu al . Tabl e a. En g in e mana g em ent sy ste ms Y ea r: Eng i ne DM E syst em 19 99 - 20 00: M 52 T U B25 M 52 T U B28 Sie mens M S 42 . 0 20 01 : M 54 B25 M 54 B30 [...]

Do n ot to uc h or d i sc o nn ec t any ca b l es fro m th e co i ls w h il e th e eng i ne is ru n n in g o r b ein g cr anked b y th e sta rter . Th e ignit ion sys tem pro duc es hi g h vo l tag es th at ca n b e fata l. A vo id co ntact wi th expo sed ter min als. Us e extr eme cau tion wh en w or kin g on a ca r w it h the igniti o n swi tched[...]

d ime n sional map similar t o t h e one sh ow n i s d igital l y st ore d in t h e EC M . T h e initial ign itio n p oin t is d etermi n ed b y t h e cran ksh aft sp eed sen sor d u rin g crankin g . O n ce th e en g ine is ru n n in g , timing is cont in u al l y ad j u sted b ased on operating cond itio n s. B a sic troublesho oting princi ples [...]

fu n d amental l y wo rking - d eliv ering v olt age to t h e sp ark p l u g s. A h ard-st arting or p oo r- ru n n in g eng ine, h ow ev er, may ind ica t e a p rob l em with h ow well t h e sp ark is d eliv ere d . Fau l ty or wo rn ig n ition comp on ent s, su ch as old sp ark p l u g s, or an ind iv id u al coil p robl em may b e th e cause. WA[...]

7 - T ermination osci l l ations No te: See Ig ni ti on co i l asse m bly, t esti ng an d replaci ng a s described l ater. Tabl e b. Ig n iti o n trac e d iag no stics Par am eter Ig n iti on voltage lo w I gn iti o n volt age hi g h Sp ark p l u g electrod e g ap too small t oo b ig Sp ark p l u g electrod e cond ition - worn/ b u rn t Sp ark p l [...]

On ce en g in e misfire has b ee n d etect ed and t h e fau l t codes d ownl oad ed f rom th e ECM , it is n ece ssary to fol l ow a d ia g n ostic p ath t o corre ct th e p robl em. T h e ign ition su b set of t h e d iagn ostic p ath is sh ow n in Ta b l e d . Ign ition system p rob l ems Tab le c. M i sfire fault cod es P cod e BM W faul t cod e[...]

Compon ent Cond it io n Test Re p air Seco n d ary circu it Wet coi l Co rr oded coil conn ection s Seco n d ary circu it Check f or wa t er l eak. Check resistance v alu es (see T ab l e e ). I g n ition coil Prima r y or second ary circuit on or sh orted Ho u sin g cracked, d ama g ed Prima ry an d seco n d ary circuits (see Ta b l e e ) Re p l a[...]

Co n nec t and d isco nn ect th e DME sy stem w iri ng and test equipment leads o nly wh en th e i g ni ti o n is OF F. B e fo re ope ra ti n g th e sta rte r wi thou t sta rting the engine (for ex ample w h en mak i n g a co mpre ss i on tes t) alw ays d isable the i gniti o n . CA UTI ON! Prio r to d isco nn ecting the b atte ry, re ad the batter[...]

o n l y as specified by B MW , as desc rib ed in thi s ma nua l, or as desc rib ed by th e in stru me nt ma nu fac tu re r. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. I g n i tion Sy s tem h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 11 of 1 1 2/ 25/ 2009 9: 54 PM[...]

120-2 I gn i ti on Sys tem Serv i ce Ignition firing order Each ig n itio n coi l is mou n t ed abov e t h e corre sp ond ing sp ark p l u g . Cylin d er 1 is at t h e f ron t of t h e en g ine. Ig ni ti on firin g o rder M 52 TU /M 54 eng in e 1 - 5 - 3 - 6 - 2 - 4 Disabling ignition s y st e m T h e ig n itio n syst em op era t es in a l eth al v[...]

(ECM) o r the i gniti o n co i ls may res ult. No te: Spa r k pl ug replaceme nt i s cove red i n 02 0 Mai nten ance . Ch ecki n g f or sp ark is d i f ficu l t on eng in es with d istr ibu t orl ess ign itio n syst ems. T ry remov in g t h e sp ark p l u g s and in sp ecting f or d ifferences b etwe en t h em. A p oor-firi n g p l u g may b e we t[...]

Un fasten screws ( B ) and remov e l ow er microfilter h ousin g . - R emo v e p l astic en g in e cov er from t op of v alv e cov er b y p ryin g off b ol t cov ers and remov in g cov er moun tin g b ol ts. Di sconn ect h arn ess conn ector from coil. Co n n ect mu l t imete r b etwe en terminal 15 (+) in con n ector an d g roun d . - T u rn ig n [...]

Co il p rimary resi st an ce at coil t erm in als Sp ark p l u g con n ector resistance Co m p are re su l t s t o sp ecifica t ion in Ta b l e e . Tabl e e. I g ni ti on co il res istance Compon ent Term i n als Res i sta nce Co il p rimar y 1 (-) an d 15 (+) app rox . 0.8 Co il seco n d ary N . A . Sp ark p l u g conn ector Bosch 1 k 20 % Beru 1.[...]

Co m p are sco p e p att ern wi th d iagrams in B asi c t roub l eshooting p rin cipl es . No te: W hen replaci ng i gnit i on coil s, en sure t ha t t he re pl ace ments are from t he same man ufacture r w i t h the same pa rt/ code nu mbe rs. I f i ndivi dua l coi l s w i t h the corre ct spe ci fi cati ons a re no t ava i l able, al l coi l s sh[...]

- R ai se car and su p p ort in a safe mann er. WA RNI NG! Mak e su re the ca r is stable and w ell su pp or ted at all t ime s. Use a prof es si o n al au to mo ti ve li ft or jack sta nd s designe d for the pur p os e. A floo r jack is not adequa te su p p o rt. - R emo v e u n d er-eng ine sp l ash g u ard s. Working j u st u n d erneath starter[...]

ECM fau l t memo r y. Cam sh aft pos ition s ensors T h e camshaf t p osi tion sensors are u sed b y th e eng in e man agement syst em f or V A NOS cont rol, sequ ent ia l f u el inj ect io n and kn ock cont rol. Intake ca m sh aft pos ition sens or, r e plac i ng - M ake certain ig n itio n h as been t u rn ed off . - R emo v e h ou sing f or t h [...]

Di sconn ect col d air d u ct tu b e ( E ). - D isco n n ect h arn ess conn ector f rom V A NOS sol en oi d and u n scr ew sol enoid from V A NOS con tr ol u n it. Be p rep are d with sh op rag s t o catch oil rel ea sed from VA NOS u n it. Re m ov e camsh aft sen sor ( ar row ) f rom l eft f ront of cyl ind er h ea d , n ex t t o top of oi l fil t[...]

sens or, r e plac i ng - M ake certain ig n itio n h as been t u rn ed off . Working at fron t of eng ine on ex hau st ( righ t ) side, d etach ex h au st camshaf t p ositio n sen sor electrical h arn ess conn ect or ( ar row ). - R emo v e camshaft sensor f rom righ t f ront of cyl in d er h ead. - I n stal l atio n is rev erse of rem ov al . Use [...]

Re m ov e kn ock sensor mou n tin g b ol ts ( A ) on sid e of cyl ind er b l ock. Re m ov e sen sors. CA UTI ON! No te th e in stalled an g l e of the kno ck se nso r on t he b loc k befo re re mo vin g i t. Re i n stall th e sens or in the sam e pos i ti o n. B e su re to u se a to rque w re n ch wh en ti ghtenin g th e se nso r mo untin g b o lt.[...]

130-1 Gen era l T h is r epair g roup cov ers serv ice an d repair for t h e Sie m ens en g ine manag eme n t syst ems u sed on t h e E46 model s cov ered b y t h is man u al. A d d itional eng in e manag ement inf orma t ion may al so be fou n d in t h e fol l owi n g rep air gr oup s: 10 0 En g in e– G en eral 12 0 I g n ition System 16 0 Fu el[...]

(malf u n ct ion in d icator l amp) in t h e inst ru men t cl u st er is il l u min ated, b egin trou b l esh oo tin g b y h oo king u p a BM W-comp atibl e scan tool . T h e rich d ia g n ostic cap abil itie s of t h ese syst ems h av e t h e p otent ial t o sav e h ours of d ia g n ostic time, incorrect comp onen t repl aceme n t an d p ossib l e[...]

Fu el l ine p l u g s BM W 13 5 281 / 13 5 28 2 A ft ermarke t DTC scan tool Bau m CS2 000 (Sou rce: Bau m Too l s Unl imited) Fu el l ine cl amp BM W 13 3 01 0 Fu el rai l t o p ressu re g au g e fitt in g B M W 13 5 22 0 No te: Professiona l di ag nosti c scan t oo l s ava i l ab l e at t he ti me of thi s printi ng i ncl ud e the BMW factory too[...]

of q ua l i t y O BD scan t ools. I n add i ti on to the BMW pro f essi on al l i ne of scan too l s, there are ma ny i ne xpe nsi ve `ge neric' OBD II scan t oo l soft w are pro grams an d han dh el d units ava i l ab l e. A l thou gh t he se t oo l s ha ve l i mi t ed capa bi l i t i es as comp ared t o the de di cated too l s, they are pow [...]

motor dr iv en th rottl e v alve , d ou b l e V A NOS system, radiator coo l ing f an, electricall y h eated th ermo stat, as well as oth er out p u t s. T h e ill u stration on t h e f oll owi n g p ag e sh ow s t h e M S 42 . 0 EC M inp u ts and outp u t s. The M S 43 .0 syst em is simi l ar in operatio n , with t h e main d iff ere n ce b ei n g[...]

Wa rnings a nd ca utions For p ersonal safety, as we l l as th e p rotectio n of sen sitiv e electron ic compon ent s, ad h ere to t h e wa rn ing s and caut ions on th e fol l owi n g p ages. WA RN I NG! Gaso li n e is h ighly f lamm abl e and its vapo rs ar e ex p l o sive. Do n o t sm o ke o r w or k on a car n ea r heate rs o r other fire h aza[...]

ru nn i ng. Do n ot to uc h or d i sc o nn ec t any ca b l es fro m th e co i ls wh il e th e eng i n e is ru n n in g o r b ein g cr ank ed b y th e sta rter . Co n nec t and d isco nn ect th e DME sy stem w iri ng and test equipment leads o nly wh en th e i g ni ti o n is switched of f. Re n ew fu el sy ste m hos es , cl am p s and O- rings any t[...]

quick test s. Disc onn ec ti n g th e batter y m ay er as e fau l t co d e(s ) sto red i n me mo ry . Ch ec k f o r fault co des prior to di sc o n n ec tin g th e b atte ry ca b l es . Wait at leas t 40 se co nd s afte r tu rnin g off the i gniti o n befo re re mo ving the engine co n tro l mo dule (ECM) co n necto r. If the co nn ecto r is rem ov[...]

130-2 El ectri ca l Ch ecks a n d Com po n en t T es ti n g T rou b l esh ooting and f au l t d iagn osi s on OBD II cars is b est p erfo rmed u sin g an electron ic scan tool. Ho we v er, it may b e n ece ssary to p erform b asic tests of th e en g in e manag ement main compon ent s, f u el syst em or wi ring . CA UTI ON! Th e tes ts in t hi s se [...]

l eft rear of en g ine comp artmen t. Check for v olt ag e at t ermi n al 6 of mai n relay socket ( 30 - red wi re). I f b attery v olt age is p rese n t contin u e testin g . I f b attery v olt age is n ot p rese n t, ch eck l arge red wi r e in rel ay socke t . See El ectrica l W iring Di ag rams. - Re in stal l rel ay and t u rn ig n itio n on. [...]

I f b attery v olt age is n ot p rese n t and al l earlier tests are OK, rel ay is faul t y an d sh ou l d b e rep l ace d . Fuel pum p rel a y, test ing T h e ECM en ergizes th e fu el p u mp relay b y p rov idin g t h e coi l side of th e relay with g r oun d . Dur ing start ing , th e fu el p u mp ru n s as l ong as th e ign ition swi t ch is in[...]

The gro und at termi nal 4 i s sw i t ched by the ECM. T he ECM harn ess must be con nected t o che ck t he sw i t che d grou nd con necti on . - I f n o fau l t s are f oun d u p to t h is p oi n t , tu r n ig n ition key off. Usi n g a fu sed (14 g au g e) j u mp er wi re, conn ect rel ay conn ector t erminal 6 to terminal 2 . Th e fu el p u mp s[...]

T h e fu el system retains f u el p ressu re in th e syst em wh en th e eng in e is t u rn ed off. To p rev en t f u el f rom sp raying on a h ot en g in e, syst em f u el p ressu re sh oul d b e reliev ed b efore d isco n n ecting fu el l in es. O n e meth od is to tig h tl y wrap a sh op t owe l aroun d a fu el l in e fittin g an d l oo sen or d [...]

Re mov e f u el rail cov e r b y p r yi n g off n u t cov ers ( arr o w s ) and remov in g n u t s. Unscrew sch ræder v al v e cap ( ar row ) from f u el rail. Un screw fu el tan k cap t o release p ressu re to v en t t an k. - Usi n g a b rie f b u rst of comp resse d ai r (max imum of 3 b ar or 43 .5 p si) b l ow fu el b ack th r oug h retu rn l[...]

130-3 Com po n en t Repl a ce m en t A ft er d iagn osin g an d repl aci n g a fau l t y eng in e manag ement comp onen t , b e su re to u se a BM W-comp atib l e scan tool t o ch eck and cl ear th e f au l t memo ry in t h e ECM . Di ag n ostic trou b l e codes are g iv en in O BD On Boa rd Di ag n ostics at th e b ack of t h is b oo k. Fuel r ai [...]

Working abov e en g in e, d isconn ect electrical h arn ess conn ectors: V A NOS cont rol u n it h arn ess conn ector ( A ) Co n n ectors f or o x yg en sen sors ( B ) Co n n ector f or int ake air temp era t u re sensor ( C ) CA UTI ON! Mar k ox yg en senso r harnes s co nn ecto rs in o rder to av oid re ver si ng them dur i ng i nstallation. I n [...]

WA RN I NG! Do n ot sm ok e o r w o rk n ea r heate rs o r other fire h aza rds. Ke ep a fire ext in gu isher hand y. B efo re d isco nn ecting fu el hos es, w ra p a clot h aro u n d f u el hos es to abso rb any l ea kin g fu el. Ca tch and disp o se o f es caped fue l. Pl u g a ll open fuel li n es . A l w ay s unscr ew the fue l tank ca p to rel[...]

remo v al tool 16 1 050 or eq u iv alen t. Sea l off fu el l in e(s) wi t h BM W sp eci al tools 13 5 281 / 13 5 282 . CA UTI ON! Fue l ma y be ex pell ed u n d er pres su re . Do n ot sm ok e o r w or k n ea r heate rs o r other fire h aza rds. Kee p a fire ex ti ngu i sher handy. B efo re di sc o n n ec t in g fu el h o ses , wrap a clo th aro un[...]

b olt s. Re p l ace an y wire ties re mov ed d u rin g r emo v al p rocedu re. CA UTI ON! Re p lace a ny fl exibl e fu el li n es whi ch were pi n ched shu t d u ri ng tes ti ng. Fuel pre ss ure regula tor, repla c ing E46 fu el p res sure re g ul ator lo ca tio n DM E M S 42 . 0 u n d er l ef t side of car, in 3/2-wa y v alv e DM E M S 43 . 0 u n [...]

- Re mov e l ocking sp rin g cl ip retai n ing f u el p ressure reg u l ator. - Wrap a shop rag aroun d regu l ator, t h en remov e r egu l ator from 3/2 way v alv e by p u l l in g straigh t d own. - I n stal l ation is r ev er se of remov a l . Re p l ace sealin g O-rin g s. M ass a ir flow (M A F) s e nso r, rem oving and inst a lli ng CA UTI ON[...]

No ad ju st ment t o air f l ow sen sor i s po ssi ble. Engine coola nt t em pe ra ture (ECT) sens or, re pla ci ng T h e eng i n e coo l an t temp eratu re (ECT ) sensor is l ocated towa r d t h e rear of t h e cyl ind er h ead b el ow int ake ru n n er n o. 6. Int ake man ifold remov a l is requ ired to access th e ECT sen sor. CA UTI ON! B e su [...]

Ti gh teni n g torqu e ECT sen sor t o cyl ind er h ead 13 Nm (10 f t -l b ) Intake ai r tem pe rature (IA T ) s e ns or, repla c ing T h e int ake air temp eratur e (I A T ) sensor is l oca t ed at t h e top cent er of th e in t ake manifol d . The in take ai r t emperatu re sensor f u n ct io n s t o adap t or fin e tu n e th e f u el m ix t u re[...]

- De p ress l ocking cl ip on si d e of temp era t u re sensor and p u l l straigh t ou t of in take manifol d . - I n stal l ation is r ev er se of remov a l . Use a n ew sea l ing O -ring at b ase of sen sor and l u b rica t e wi t h asse mb l y l u b ricant for ease of inst all at io n . T hrott l e a s s e m bly , re m ov i ng and inst al ling [...]

Di scon n ect v acu u m l ine at int ake b oo t ( A ). Di scon n ect electr i cal h arn ess conn ector on m ass ai r f l ow se n sor ( B ). Re l ea se mass air fl ow sensor cl ips ( C ). Re mov e f ilt er h ou sing mou n tin g screw s ( D ). Di scon n ect ai r d u ct con n ectio n s ( E ) an d l ift compl ete ai r fil ter h ousin g out of en g in e[...]

u p wa rd s out of ru b b er retai n er ( A ) and u n h ook b all en d of cab l e ( B ) f rom th r ottl e actu ator. Re mov e n u t s an d b ol t ( arr ows ) retai n ing wir in g h arn ess con d u it to th r ottl e b ody. Working at t h rottl e hou sin g : Turn h arness p l u g ( ar row ) cou n tercl ockwi se and remov e. Working at sid e of int ak[...]

Di scon n ect electr i cal h arn ess conn ectors ( arr o w s ) at oil p ressu re send er an d oi l t emperatu re sen d er at b ase of oi l f il ter h ou sin g . Re mov e d ip stick g u ide t u b e: Di scon n ect wi r ing h arn ess b racke ts fr om tu b e ( A ). Uncl ip f u el l ines from t u b e ( B ). Re mov e l owe r g u ide tu b e moun t ing b o[...]

Re att ach t h rottl e asse mb l y h arness con n ector with care. A rrow on f u l l y t ig h ten ed con n ector mu st l in e u p with correspon d in g arro w on t h rot tl e assembl y h ousin g . On DM E M S 42.0: Re attach th r ottl e cab l e an d ad j u st as d escri b ed l ater. Use BM W scan t ool to rese t ECM adap tation v al u es. T hrott l[...]

Th rottl e ca ble clea rance M ax . p l ay at th rottl e p l ate l ev er 3 mm (0.125 in. ) - Fu l l th r ottl e ad j u st ment (man u al tran smissi on): With ign ition key on p ress p ed al fu l l y t o st op . Check t h rott l e an g l e u sing scan t ool. A d j u st p edal stop if n ecessa ry. Th rottl e angl e spec ifi ca ti on s M an u al tran[...]

Th rottl e angl e spec ifi ca ti on s Kickdown st op cont acted 76 ° - 80 ° Kickdown p ressu re p oint ran g e 84 ° - 88° Fu l l -l oad d ownsh ift 10 0% Idle speed c ontrol v a lve, repla c ing T h e idl e sp ee d con trol v al v e is moun t ed u n d er t h e int ake manifold adj acent t o t h e d ip stick t u b e b racke t . T h e v alve can [...]

Re mov e f ilt er h ou sing mou n tin g screw s ( D ). Di scon n ect ai r d u ct con n ectio n s ( E ) an d l ift compl ete ai r fil ter h ousin g out of en g in e compartmen t, p u l l in g it forwa rd aw ay f rom mass air f l ow sensor. No te: I n t his st ep , mass air f l ow sen sor rema i ns attache d t o i ntake du ct . Lo osen cl amp s 2 an [...]

Working at sid e of int ake manifold , d isco n n ect el ectrical h arness conn ectors: I d l e cont rol v alv e ( A ) I n take manifol d r eso n ance v al v e ( B ) - Di scon n ect b yp ass h ose from id l e contr ol v al v e. - Re mov e id l e cont rol v al v e: Re mov e id l e cont rol v al v e b racke t moun t ing fasten ers. Sl ide con t rol v[...]

No te: Re pl ace men t ECMs must be cod ed w i th ap pl i cati on i nforma t i on (i . e. en gi ne cod e, t ran smi ssi on t ype, etc. ) pri or to i nstall at i on . Co nsu l t an autho r i z ed BMW de al er be f ore rep l acing t he ECM. Al t ern ati vely, code d EC Ms may be ava i l ab l e at an ad dit i ona l cost. - Di scon n ect n eg ativ e (-[...]

- I n stal l ation is r ev er se of remov a l . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Fu el In j e ction h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 19 of 1 9 2/ 25/ 2009 9: 55 PM[...]

130-4 ECM Pi n A ss i gn m en ts ECM p in assig n ment s are g iv en in Ta b l e b . ECM p in assi g n men t -DM E M S 42.0 and M S 43.0 . This inf ormatio n may b e h el p fu l when d ia g n osi n g fau l t s to or f rom th e ECM . If al l in p u t s an d wi rin g are O K b u t op era t ional p robl ems stil l ex ist, th e ECM itself m ay b e f au[...]

in th e conn ector. A s an alt ern ativ e, t h e h arness con n ector h ou sing can b e separate d so th at el ectrica l ch ecks can b e made f rom t h e b ack of th e conn ector. T a ble b. ECM pin a ss ignm e nt-D M E M S 42 . 0 a nd M S 4 3 .0 Conn ect or X600 01 9-pin bl ack Pin Sig n al Compo n ent/fu ncti on Notes 1 O u tp u t Ter min al 15 U[...]

Conn ect or X600 02 24 -p i n b lack Pin Sig n al Compon ent/f un ction Notes 9 n ot u sed 10 n ot u sed 11 n ot u sed 12 I n p u t Sig n al , 3/2-wa y v al v e, ru n n i n g l osses (M S 42 .0) 3/2 wa y v al v e, ru n n ing l osses (M S 42 . 0) 13 I n p u t Hea t er, p reca tal yst ox yg en sen sor 2 He at ed ox yg en sen sor 2 in fron t of catal [...]

Conn ect or X600 03 52 -p i n b lack Pin Sig n al Compon ent/f un ction Notes sensor 2 Inp u t Sign al , ex h au st camshaft sensor 1 Ca m sh aft p ositio n sensor II 3 Inp u t Sign al , su ction j et p u mp v alv e (2.8 L, 3.0 L) Su ction j et p u mp v alv e 4 O u tp u t Th rottl e v alv e su p p l y (M S 42 . 0) T h rottl e v alv e (M S 42 . 0) 5[...]

Conn ect or X600 03 52 -p i n b lack Pin Sig n al Compon ent/f un ction Notes 19 I n p u t Sig n al , t h rottl e p otent iome t er 1 T h rottl e v alv e 20 Grou n d Gr oun d , th rott l e p osi tion sensor T h rottl e v alv e 21 Grou n d Gr oun d , cran ksh aft p ositio n sen sor Cra n ksh aft p ositio n sensor 22 Ou t p u t Sign al , in take ai r[...]

Conn ect or X600 03 52 -p i n b lack Pin Sig n al Compon ent/f un ction Notes 38 I n p u t Sig n al , cyl in d er 6 f u el inj ect or Cylin d er 6 f u el in j ector 39 I n p u t Sig n al , oil l ev el sen sor Oil l ev el sen sor 40 I n p u t Sig n al , V A NOS in l et v alv e V A NOS inl et v alv e 41 I n p u t Sig n al , V A NOS out l et v alv e V[...]

Conn ect or X600 04 40 -p i n b lack Pin Sig n al Compon ent/f un ction Notes 2 Inp u t F ee d b ack sign al, eng in e st art I n st rum ent cl u st er cont rol modu l e 3 Inp u t Sign al , seco n d ary air inj ect io n p u mp Seco n d ary air inj ection p u mp relay 4 Inp u t Sign al , electric f an A u x il iary fan motor 5 n ot u sed 6 n ot u se[...]

Conn ect or X600 04 40 -p i n b lack Pin Sig n al Compon ent/f un ction Notes 20 Ou t p u t Di ag n ostic mod u l e t ank l eak (DM TL ) d etection (M S 43 . 0) Le ak d etectio n (DM TL ) (M S 43 .0) 21 I n p u t Sig n al , oil l ev el sen sor I n st ru men t cl u ster con trol modu l e 22 I n p u t Sig n al , p rocesse d wheel sp eed, rig h t r ea[...]

Conn ect or X600 04 40 -p i n b lack Pin Sig n al Compon ent/f un ction Notes 37 I n p u t /ou t p u t CA N b u s sig n al, l ow Co n n ector, CA N b u s 38 Grou n d Gr oun d , coolant out l et temp eratur e sensor T emperatu re sensor 39 Ou t p u t Sign al , coolan t ou tl et temp eratur e T emperatu re sensor 40 n ot u sed Conn ect or X600 05 9-p[...]

170-1 Gen era l T h is sect io n cov ers comp onen t repair inf orma t ion for th e en g ine coo l ing system. T h e E46 coo l ing system u ses a centr ifu g al -typ e b elt -d riv en coolan t p u mp , an electric p r ima ry coolin g f an , and an el ectrica l l y h eate d th ermostat. T h e coo l ing syst em is u n iq u e in t h at th e coolin g f[...]

Ex p ansion t ank cap t est ad ap ter BM W 17 0 00 7 Coo ling syst e m (DM E M S 42 .0 ) Radia to r a n d Cool ing Sy s tem h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 2 of 6 2/ 25/ 2009 9: 56 PM[...]

Coo la nt pum p A centr ifu g al -typ e coo l an t p u mp is moun t ed t o t h e f ront of th e eng ine. T h e b el t-d riv en p u mp circul ates coo l an t th roug h t h e syst em when ev er th e en g in e is ru n n in g . T he rm os tat A n electricall y h eated t h ermo stat regu l ates th e eng i n e coo l an t temp eratur e and is cont rol l e[...]

app l ica tion. On cars with au tomatic tr ansmissio n s, th e ma in f an is el ectric and mou n t ed on th e b u mp er sid e of t h e rad iato r. The f an is cont roll ed b y t h e DM E con trol m odu l e v ia t h e ou t p u t f inal st ag e. A d d itional l y a b el t-d riv en f an v ia a v isco u s fl u id coup l ing (cl u tch ) is att ached to [...]

v alu es in th e fan p ow er out p u t st ag e t o conf irm t h at t h e f an is op era t in g corre ct l y. No te: I f t he ECM stored a cooli ng f an fault , che ck that t he f an is no t seiz ed an d that i s spins freely. W hen A/ C i s sw i t ched ON, t he electri c f an i s not i mmediatel y turne d on. Aft er t he eng i ne i s sw i tched O F[...]

and d ispos i n g of eng i n e co o lant. Co ola nt i s poiso nou s and l ethal to h u ma n s and p ets. Pets ar e attr acte d to co o lant beca us e o f i ts swee t sme l l and taste . Co n su l t a ve t er i narian imme d i ate l y i f co o lant is in ge sted b y an ani ma l . CA UTI ON! A v o i d ad di ng co l d w ate r to th e co o lant wh i le[...]

170-2 T rou bl es h oot i n g Begin t h e d iagn osis of coo l ing syst em p robl ems wi t h a th oro u g h v isu al insp ection. If n o v isual f aul t s are f oun d , it is recomme n d t h at th e DM E syst em b e ch ecke d for st ore d d ia g n ostic f aul t codes (DT Cs) u sing BM W scan tools DI S (Dia g n ostic Inf orma t ion System) or M oD [...]

p u l l ey and ch eck f or p l ay in al l d ire ct ions. Sp in p u l l ey an d ch eck th at sh aft ru n s smoo th l y with out p l ay. No te: The coo l ant pro vi des l ubricati on for t he pu mp shaft, so an occasion al dro p of coo l ant l ea ki ng f rom t he pum p i s acce ptable. I f coo l an t dri ps stead i l y from t he vent hole, the pu mp [...]

A coolin g syst em p ressure t est is u sed to ch eck f or in tern al l eaks. Some of t h e commo n sou rces of in tern al l eaks are a faul t y cyl ind er h ead g asket, a cracke d cyl ind er h ead, or a cracked cyl in d er b l ock. T o d o a coo l ing syst em p ressur e test, a sp eci al p ressu re tester is n ee d ed . WA RN I NG! A t nor ma l o[...]

Tabl e a. Co ol i ng sys t em test pres sure s Compon ent Tes t p res sure p si) Ra d iato r cap 2 b ar (29 p si) CA UTI ON! Exc eedin g the spec ifi ed t es t pres su re co uld d am ag e the radiato r o r other sys tem co mpo nents. Combust i on cham ber l ea k test - I f you su sp ect th at comb u st io n ch amber p ressure is l eaki n g in t o t[...]

ind icate trou b l e, t h e el ectrica l l y h ea t ed th ermostat may b e fau l t y. Check for th ermo stat d iagn ostic f aul t codes (DT Cs) u sing BM W scan tools DI S or M oDi C or equ iv al en t. DTC s p ertai n ing t o cooling syst em malf u n ct io n s are l isted in Ta b l e b . See also OBD O n Boar d Di ag n ostics at th e b ack of th is[...]

170-3 Cool i n g Sys tem Serv i ce Coo la nt , draini ng and filli ng WA RN I NG! A l l o w the co o l i ng sy ste m to co ol befo re o p eni ng o r draini n g th e co o li ng sy stem . - Ra ise fron t of car and su p p ort safely. CA UTI ON! Mak e su re the car i s sta b l e and w ell su pp or ted at all ti me s. Use a pro fess ional au tom o t iv[...]

Co o l ant i s poiso nou s. It i s es pec i ally lethal t o p ets . Clea n up spi ll s imme d i ate l y and rin se the are a wi th water . Pl ace emp ty 3-g all on p ai l u n d ern ea t h ex h au st sid e of eng in e b l ock. Lo osen and remov e eng in e b l ock coo l an t d rain p l u g ( arr o w ). No te: The block drain plug i s l oca t ed on th[...]

Tap w ater may cause corrosion of rad i at or, eng i ne and coolan t ho ses. Co ol an t can o ft en b e reu sed pro vi ded it i s cl ean an d l ess than tw o yea r s ol d. Do no t reu se coo l ant w hen replaci ng dama ged en gi ne p arts. Con t aminated coo l ant may da mage t he eng i ne or coo l i ng syst em. Tabl e c. Co ol i ng sys t em capa c[...]

- Sl ow l y add coolant u n t il it sp il l s from b l eed screw. W h en coolan t sp ill ing f rom b l eed screw s is f ree of air b u b b l es, t ig h ten screw . Run en g ine u n t il it reaches op era tin g temp era t u re. A ft er en g ine h as coo l ed, r echeck coo l an t l ev e l . T op u p so th at coolan t l ev el ind icator is at M A X . [...]

Working at t op of f an sh rou d , remov e screw an d ex p an sio n riv e t ( ar rows ) h old ing fan sh rou d to rad ia tor. Uncl ip or d isco n n ect electrical conn ector(s) from rig h t sid e of sh r oud . No te: Shro ud i s de t ache d f rom rad i ator at t hi s po i nt but can on l y be remo ved l ater w hen f an and cl utch assemb l y i s re[...]

Ti gh teni n g torqu es wi th BM W t ool 11 5 04 0 30 Nm (22 f t -l b ) Fan t o v iscous cl u t ch 10 Nm (89 i n -l b ) Ele c tric c ooling fan, re pla ci ng (m odels w ith m a nual trans m i s s ion) On model s wi th man u al t ransm issi on , th e p rima ry coo l in g fan is el ectricall y operate d and is mou n t ed on t h e en g ine side of th [...]

trans m i s s ion) T h e electric coolin g fan on cars wi t h automatic tr ansmissio n is mou n t ed b ehin d th e fron t b u mp er, in fron t of th e A /C con d en ser. - Re mov e ai r in take d u ct as d escri b ed ab ov e. - Re mov e f ront b u mp er. See 51 0 Ex terio r Tri m, Bu mp ers . - Di scon n ect fan electrical conn ector ( arr o w ) on[...]

T h e electricall y-h ea ted t h ermostat is an int egral p art of t h e t h ermo st at h ou sing . T h e operatio n of th e th ermostat is monitored b y t h e DM E cont rol mod u l e. I f a fau l t y t h ermostat is su sp ect ed, t h e DM E cont rol mod u l e sh oul d b e int erro g ated f or stored f aul t codes u sing an ap p rop ria t e scan to[...]

Use n ew sea l ing g asket. Fil l system with cool ant as d escri b ed u n d er Co olan t, d rai n ing an d f i l l in g Ti gh teni n g torqu es En g in e b l ock d rain p l u g t o b l ock 25 Nm (18 f t-l b ) Ra d iato r d rai n p l u g t o rad ia t or 2 - 3 Nm (18 - 27 i n -l b ) Coo la nt pum p, re plac i ng T h e eng i n e coo l an t p u mp is [...]

Re mov e eng ine d riv e b el t : Lev er tension er h ex ( l ar ge arr o w ) in cl ockw ise d irectio n (f acing eng in e) an d sl ip b el t off coo l an t p u mp p u l l ey. No te: Mark directi on of dri ve belt rotati on i f reu si ng be l t. - Re mov e coolant p u mp p u l l ey b ol t s and remov e p u l l ey f rom p u mp . - Re mov e p u mp mou[...]

Ti gh teni n g torqu es Ra d iato r d rai n p l u g t o rad ia t or 2-3 Nm (18-2 7 i n -l b ) Radia to r, r em oving and ins ta lli ng - Ra ise fron t of car and su p p ort safely. CA UTI ON! Mak e su re the car i s sta b l e and w ell su pp or ted at all ti me s. Use a pro fess ional au tom o t ive li ft or j ac k sta n ds desig n ed f o r the p u[...]

Working on rid e side of radiator, release h ose retai n ing cl ip s ( A ) and d isco n n ect l ow er coo l ant h ose fittin g from rad ia tor ( B ). - Working u n d erneath radia t or, d isco n n ect h arness conn ector from coolan t l ev el sen sor. Wh ere app l icabl e, d isconn ect automatic tr ansmissio n f l u id (A TF) coo l er l ines f rom [...]

No te: Al t ern ati vely, detach AT F coo l er f rom rad i at or by pu l l i ng up on q ui ck rel ease cl i ps an d pu l l i ng coo l er from radiator tank. Re mov e p l astic b ol t s at t op of radiator ( ar row s ). Pu l l rad ia tor u p an d ou t of car. - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Do n ot coa t[...]

sta n ds desig n ed f o r the p ur p o se . A floo r jack i s not adequ ate su p por t. - Re mov e sp l ash sh ield from u n d er eng in e. - Dra in r adiator and en g ine b l ock as d escri b ed earlier . WA RN I NG! A l l o w co o li n g sys tem to co o l b efo re o p enin g o r draini ng sy ste m. - Re mov e compl ete ai r in take fil ter h ousi[...]

Re mov e coolant l ev el sensor ( 9 ) b y twisting cou n tercl ockwi se an d p u l l ing out of b ott om of t an k. 1 - T h ermostat (AT F h eat ex ch ang er) 2 - Ex p ansion t ank cap 3 - La b el 4 - Ra d iator 5 - M oun tin g b racket 6 - Sea l ing O -ring 7 - Self -tap p in g screw 8 - Co n n ector (A TF h eat ex ch an g er) 9 - Co ol ant l ev e[...]

Ti gh teni n g torqu es Ra d iato r d rai n p l u g t o rad ia t or 2 - 3 Nm (18 - 27 i n -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Radia to r a n d Cool ing Sy s tem h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /1... 16 of 1 6 2/ 25/ 2009 9: 57 PM[...]

200-1 Gen era l T h is sect io n cov ers th e repairs related to th e cl u t ch , m anu al and au tomatic tran smissi ons, sh ift l in kages, d riv e sh aft s, and t ransf er case (all wheel d riv e v ehicl es onl y). F or repairs related t o d riv e ax l es and f ron t and rear fin al d riv e d iff ere n tials, see 311 Fron t A x l e Fin al Driv e[...]

T h e manu al tran smissi ons u se a sin g l e cl u tch d isc wi th d u al-mass f l ywh ee l . For f u rt h er inf ormatio n , see 21 0 Clu t ch . M anu al tr ansmissio n s h av e a metal ID p l ate mou n ted on t h e side of th e tran smissi on. D o n ot rely on n u mb ers cast on t h e t ransmissio n case for ident ificatio n . Tab le a. M an ual[...]

man ufa ctured f rom 08 /98 to 03/00 are eq uippe d w i th t he A5S 360 R automa t i c transmissi on. V eh i cl es pro du ced after 03 / 00 u se t he A5S 32 5Z t ran smi ssi on. GM man u f actu red t ransmissio n s h av e th e I D t ag l oca t ed on t h e l ef t h an d sid e of t h e t ransmissio n h ou sin g , b ehin d t h e tran smissi on sel ect[...]

210-1 Gen era l T h is r epair g roup cov ers repl ace m ent of th e cl u t ch mech anical and h yd raul ic compon ent s. Rea d t h e p rocedu r e th r oug h b efore b egin n in g a j ob. No te: See 200 T ran smi ssi on –Gen era l f or transmissi on ap pli cati on i nformati on . Spec ia l tools T h e 3 Seri es BM W empl oys a trad itio n al st y[...]

Clu t ch l in ing g aug e BM W 21 2 080 Clu t ch cent ering mand rel BM W 21 2 14 2 SA C cl u t ch l ock tool BM W 21 2 150 Clu t ch d iaph rag m ten sioning t oo BM W 21 2 16 0 SA C ten sioning t oo l BM W 21 2 17 0 Clu tch h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /2... 2 of 3 2/ 25/ 2009 10: 15 PM[...]

SA C l oca tin g rin g BM W 21 2 180 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Clu tch h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /2... 3 of 3 2/ 25/ 2009 10: 15 PM[...]

210-2 Cl u tch Hydra u l i cs T h e cl u t ch is h yd rau l ica l l y actu ated b y th e master an d sl av e cyl ind ers. Cl u t ch d isc we ar is aut oma ticall y t ake n u p th r oug h t h e sel f adj u stin g p ressu re p l ate sp rin g s, making p erio d ic adj u stmen t s u n n ece ssary. A soft or sp on g y f eel to th e cl u t ch p edal , l [...]

A tt ach p ressure b rake b l eeder t o fl u id rese rv oi r an d p u mp b l eeder a f ew time s to p ressu rize hyd raul ic f l u id system. CA UTI ON! Do n ot ex cee d 2 bar (29 p si) pres su re at th e fluid res er vo i r wh en b l ee d i ng o r flus h i ng the hydrau li c sy ste m. B rak e fluid is p oiso nou s, h i g hl y co rr osiv e and dan [...]

- Sl ow l y operate clu t ch p edal ab out 10 times. F il l rese r v oi r with cl ean fl u id as n ecessa ry. - Unb ol t sl av e cyl in d er from tran smissi on. Fit BM W sp ecial t oo l 21 5 03 0. Press sl av e cyl ind er p u sh rod compl etel y in t o sl av e cyl ind er. - Ho l d sl av e cyl in d er so th at b l eeder v alv e is at t h e h ig h e[...]

[...]

Di sen g ag e p an el fr om h ose s an d wi rin g h arn esse s an d remov e from eng in e compart ment . Separate br ake b ooster v acuu m h ose at on e wa y v al v e ( A ). P l u g h ose en d s. - Di scon n ect cl u t ch p ed al from cl u tch master cyl ind er p u sh rod b y remo v ing secu ring p in . Re mov e master cyl in d er mou n tin g b olt[...]

Bl ee d cl u t ch h yd rau l ics as d escri b ed earlier . Conn ect n egativ e cabl e to b attery l ast. Ti gh teni n g torqu es Clu t ch master cyl ind er t o p edal cl u st er 22 Nm (16 f t -l b ) Fl u id l in e t o master cyl in d er or sl av e cyl ind er 20 + 5 Nm (15 + 4 f t -l b ) Clut ch slave c y li nder, re pla c ing - Pinch off b rake fl [...]

equ iv alen t ). During inst all at io n b e su re p u sh rod tip en g ag es rece ss in cl u tch release l ev er. Fil l fl u id reserv oir wi t h cl ean f l u id. Bl ee d cl u t ch h yd rau l ics as d escri b ed earlier . Ti gh teni n g torqu es Clu t ch sl av e cyl ind er t o tran smissi on 22 Nm (16 f t-l b ) Fl u id l in e t o sl av e cyl ind er[...]

210-3 Cl u tch M echani ca l T h e tran smissio n mu st b e remo v ed from t h e eng ine t o access th e cl u t ch mechan ica l comp on ent s. It is reco mmen d ed th at t h e cl u t ch d isc, p ressure p l ate and rel ea se b ea r ing b e repl aced d u rin g a cl u t ch ov erhau l . Be su re to ch eck th e b ottom of th e b ell h ousin g f or oi l[...]

- Re mov e t ransmissio n f rom eng ine. See 230 M an u al Tra n smissi on . - Re mov e release b ea r i n g fr om tran smissi on in p u t sh aft . Re mov e cl u t ch rel ea se l ev e r b y p u l l in g aw ay f rom sp rin g cl ip in d ire ction of ar row . Lo ck fl ywh ee l in p osi tion u sin g BM W sp eci al t oo l 11 2 17 0 or eq u iv alen t . I[...]

- T u r n t ool h an d l e in u n t i l cl u t ch d ia p h rag m sp r ing is f u l l y tension ed. - Re mov e six b ol t s f rom p erime t er of p ressure p l ate. Remo ve sel f adj u stin g cl u t ch u n it an d cl u t ch d isk. Clutch as se mbly and hydra u li cs Clut ch, insp ec ting - I n sp ect cl u tch d i sc for wea r, cr acks, l oo se riv e[...]

ex cessiv e ru n ou t (wa r p ing ). Re p l ace if n ecessa ry. No te: Mea sure t he dep t h of cl utch l i ni ng at l i ni ng rivets. I f sha l l ow est ri vet de pth i s l ess t ha n 1 mm (0.04 i n.), rep l ace cl utch disk. - I n sp ect f l ywh ee l f or scori n g , h ot sp ots, cracks or l oose or worn g u id e p in s. Re p l ace fl ywh ee l if[...]

Ne w sel f ad j u st in g cl u t ch ( SA C) p ressur e p l ates come wi t h a l ocki n g p l ate in stal l ed t h at maintains sp rin g ten sion on th e self ad j u st ing sp rin g s. T h is l ocking ring must n ot b e remo v ed u n t il t h e p ressu re p l ate is secu rel y inst al l ed on t h e f l ywheel with t h e cl u tch d isk in p l ace . C[...]

release l ev er. - I n st al l t ran smissi on. See 23 0 M an u al Tra n smissi on . Ti gh tenin g torqu es T ran smissio n t o eng in e (To rx b ol t s) M 8 22 Nm (16 f t -l b ) M 10 43 Nm (32 f t -l b ) M 12 72 Nm (53 f t -l b ) Clut ch, inst a ll ing us e d pre ss ure plate No te: Before i nstal l i ng a use d Self Adj usti ng Cl utch (SAC) pre [...]

Ce n t er cl u t ch d isk wi t h BM W sp eci al t oo l 21 2 14 2. A comp ara b l e cl u tch al ign ment tool may b e u sed . Remo v e th readed h and l e of cl u t ch al ig n men t tool WA RN I NG! B e su re clu tch d i sc i s fac in g the co rre ct w ay . Th e d isc sho u l d b e ma rk ed eng in e side or transm issio n side. - M o u n t sel f ad [...]

Ti gh tenin g torqu es T ran smissio n t o eng in e (To rx b ol t s) M 8 22 Nm (16 f t -l b ) M 10 43 Nm (32 f t -l b ) M 12 72 Nm (53 f t -l b ) T ra nsmi ss ion pilot bea ring, re plac ing - R emo v e cl u t ch as d escribed ear l ier. Re mov e t ransmissio n p ilot b eari n g f rom end of cranksh aft u sin g BM W sp ecia l tool 11 2 340 or equ i[...]

230-1 Gen era l T h is r epair g roup cov ers ex tern al tran smissi on serv ice , in cl u d ing remov al and in stal l ation of t h e t ransmissio n u n it. Int ernal t ran smissi on rep ai r is n ot cov ered. S p eci al p ress t oo l s an d p roce d u res are re q u ired to d isa ssemb l e an d serv i ce t h e int ern al g ea r train. Spec ia l t[...]

Selector seal d rift BM W 23 0 22 Ou t p u t sea l d rift BM W 23 2 30 0 M anu al tr ansmissio n s u sed are b ased on en g in e ap p l icatio n . Co n su l t 200 T ran smissio n –Gen eral for t ransmissio n app l ica tion in f ormatio n . Ta b l e a. M anu al tr ansmissio n g ear ratio s l ists g ea r ratio sp eci ficatio n s. No te: Do no t rel[...]

230-2 T ra n s m i s s i o n Fl u i d Serv i ce M anu al tr ansmissio n s in stal l ed in th e 3 Seri es are n orma l l y f ill ed wi th a "Lifetime " man u al t ransm i ssio n fl u id (BM W M TF LT -1) and d o n ot req u ire p eri od ic f l u id ch an g es. Tra n smissio n s fil l ed with M T F LT -1 l ifetime oi l are ident ified with a[...]

I n stal l and t orq u e d rain p l u g . Re mov e f ill p l u g ( B ) f rom side of tran smissi on. Sl ow l y fil l tran smissio n with f l u id u n t il f l u id ov erfl ows fil l h ole. I n stal l and t orq u e fl u id f ill p l u g .n oth ing Fl ui d capac i ty Getrag tran smissi on 1.0 l iter (1.1 US q ts) ZF t ran smissi on 1.2 liters (1.3 US[...]

230-3 T ra n s m i s s i o n Serv i ce B a c k -u p li ght sw itch, repl ac ing Ra ise and safely su p p ort ve h icle t o acce ss b ack-u p l igh t swi t ch . Unscr ew swi t ch fr om tran smissi on . No te: The ba ck-up l i ght sw i tch ( ar row ) on Get rag t ran sm i ssi ons is i n the l eft si de of t he t ran smi ssi on. The ba ck-up l i ght s[...]

Re mov e d riv eshaft . See 260 Dri ve sh aft . Re mov e t ransmissio n mou n t b olt s ( A ). Re mov e t ransmissio n crossme mb er b ol ts ( B ) and t il t d ow n rea r of t ran smissi on . On al l wheel d riv e cars: Re mov e f ront an d rea r d r iv esh afts. See 260 Dri v esh aft Re mov e t ransf er case crossme mb er b ol ts ( ar rows ) an d [...]

Co at n ew selector sh aft sea l with tran smissi on f l u id. Dri ve n ew sea l in fl u sh wi t h h ou sing . Use BM W sp eci al sea l in st all ation t oo l 23 1 14 0 or equ iv alen t an d a soft-f aced ( p l astic) h amme r. - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g ; I n stal l d riv eshaft u sin g n ew l ock n[...]

Ti gh teni n g torqu es M 10 (1 0.9 g rade) 60 Nm (44 f t -l b ) M 12 (1 0.9 g rade) 10 0 Nm (74 f t-l b ) T ransmissio n / tran sfer case crossme m b er to ch assis (M 8) 21 Nm (15 f t-l b ) T ransf er case t o tran smissi on (M 10) 41 Nm (30 ft -l b ) O utp ut s ha ft seal , re pla c ing (t r ansm iss ion inst a l le d) - Ra ise and safely su p p[...]

CA UTI ON! Ti l tin g th e eng in e to lower the tra n smis sio n ca n l ea d to d am ag e to va riou s co mponents due to l ack of clea rance . - Bend b ack an d remo v e tran smissi on out p u t coll ar n u t l ockpl at e. Re mov e col l ar n u t with 30 mm th in -wall ed d ee p socke t . Co u n t erh old outp u t f l ang e t o p rev ent it f rom[...]

On Get rag S5D 25 0G tr an smi ssi ons BMW reco mmen ds hea t i ng the ou t put fl ang e to abo ut 176 F (80C ) t o aid i n i nstall at i on . T his can be do ne by placi ng t he f l ang e i n ho t w ater. - Co at b eari n g su rface of col l ar n u t wi t h sea l er an d in stal l n u t . T ig h t en coll ar n u t in t wo stag es. Inst all n ew l [...]

(t r ansm iss ion re m ov ed) Re p l ace m ent of t h e inp u t sh af t sea l requ ires th e remo v al of t h e tran smissi on f rom th e v eh icl e as d escri b edl ater in t h is repair g rou p . - Re mov e cl u t ch rel ea se b ea r i n g and release lev er f rom insid e b ell h ousin g . Re mov e b ol ts ( ar rows ) f or cl u t ch release -b ea[...]

Ti gh teni n g torqu e Gu ide sl eev e to t ransm i ssio n M 6x 12 b ol t 10 Nm (89 i n -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. M anu a l Tran sm i s si on h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /2... 8 of 8 2/ 25/ 2009 10: 17 PM[...]

230-4 T ra n s m i s s i o n Rem ov a l a n d I n s ta l l a tio n Re mov al an d in st all atio n of th e tran smissi on is b est accompl ished on a l ift u sin g a t ransmissi on j ack. The eng in e mu st b e su p p orted f rom ab ov e u sing ap p ropr ia te su p p ort eq u ip ment . T h is al l ow s t h e eng in e t o p iv ot on its moun t s t o[...]

Re mov e h ou sing f or int eri or v ent il ation micro f ilt er. Re mov e u p p er cov er an d micro f ilt er. Op en wi ring h arn ess l oo m cov er ( A ) and remo v e wi res. Unf asten screw s ( B ) a n d remo v e l ow er micro f il ter h ou sin g . Re mov e h eate r b u l kh ea d cov er. Re mov e eng ine comp artment sid e trim p an el . T u rn [...]

w hee l dri ve 3 Series sed ans an d w ago ns bui l t up t o 11 /00 an d cou pes bu i l t up to 10/99 . Pan styl e f ron t en d rei nforcem en t s are used on rear w hee l dri ve sed ans an d w ag on s buil t af ter 12 / 00, cou pes bu i l t af ter 11/99 and all con verti bles. Al l w heel dri ve mod el s req ui re no reinforceme nt due to t he con[...]

of tr ansmissio n . See 250 Gearshift Linkag e . - Unb ol t cl u tch sl av e cyl ind er from side of tran smissio n . Do n ot d isco n n ect f l u id h ose. Su sp en d sl av e cylin d er from ch assis u sing stiff wire . CA UTI ON! Do n ot o p era te clu tch pedal wi th slav e cylin der re mo ve d fro m tra n smis sio n. - Lo osen kn u rl ed screw [...]

Wh en inst all ing a n ew tran smissi on, b e su re to tran sfer p arts f rom old tran smissi on if app l ica b l e. T h oroug h l y cl ean inp u t sh aft an d cl u tch d isc sp l in es. Ligh tl y l u b ricate tran smissi on inp u t sh af t b efore in st all in g . Be su re b ell h ou sing d owe l s ( ar row s ) are correctl y l oca ted . Ce n t er[...]

Ti gh teni n g torqu es (tu b u l ar st yl e) 42 Nm (31 f t -l b ) (p an st yl e) 59 Nm (44 ft -l b ) + 90° Rub b er mou n t to tran smissi on or b racke t n u t (M 8) 21 Nm (15 f t -l b ) Sl av e cyl ind er to tran smissi on 22 Nm (16 f t-l b ) T ransmissio n crossmember t o ch assis M 8 21 Nm (15 f t -l b ) T ransmissio n t o eng in e (To rx -h [...]

240-1 Gen era l T h is sect io n cov ers mai n t enan ce and repl aceme n t of th e E46 aut omatic tran smissi on. I n tern al rep ai rs t o th e automatic tr ansmissio n are n ot cov ered. S p eci al t oo l s an d p roce d u res are requ ire d to d isasse mb l e and serv ice int ernal aut oma tic t ransm issi on compon ent s. A u t oma t ic t rans[...]

absolu t ely n ecessa ry, th ey are especia l l y h elp f u l wh en d ealin g wi th th e remov al and rep l aceme n t of th e torq u e conve rter. En g ine su p p ort b racke t BM W 00 0 200 / 20 8 Oil p an su p p ort b racket BM W 11 8 022 T orq u e con v erter socket BM W 24 1 10 0 Sp l in e b ore al ig n ment t ool BM W 24 2 30 0 T orq u e con v[...]

d ea l er ab out a f actory recond itio n ed u n it or a tran smissio n rebu il d . 32 3i/Ci an d 32 8i/Ci mod els manu f actu red f rom 08 /98 to 03/00 are equ ip p ed with th e A 5S 36 0R aut omatic tran smissi on. V ehicl es p rod u ced after 03 / 00 a re equ ip p ed wi t h t h e A 5S 325 Z tran smissi on. Tab le a. Automatic tra n sm i ss i o n[...]

240-2 T ra n s m i s s i o n Serv i ce T h e aut oma tic t ransm issi on s inst all ed in th e 3 Seri es are fil l ed with eith er De x ron II I A TF, or T ex aco 80 72B a sp eci al l ife-time oi l . CA UTI ON! Mixin g d if fer ent types o f tra n smis sio n fluids w i ll l ead to tra n smis sio n failur e. No te: The transmissi on l ubr i can t i [...]

Mak e su re the car i s sta b l e and w ell su pp or ted at all ti me s. Use a pro fess ional au tom o t ive li ft or j ac k sta n ds desig n ed f o r the p ur p o se . A floo r jack i s not adequ ate su p por t. - Warm u p d riv etrain b y ru n n ing eng in e u n t il A TF r ea ch es sp eci fied temp era t u re. A p p l y b rake an d , whil e idl [...]

wi ll spil l fro m th e fil l er ho l e wh en th e fil l p lug i s rem ov ed. - Re in stal l f ill p l u g u sin g n ew sea l in g rin g . Ti gh teni n g torqu es A TF d rain p l u g t o A TF su m p A 5S 36 0R / A 5S 39 0R (M 14) 20 Nm (15 f t -l b ) A 5S 32 5Z 35 Nm (26 f t -l b ) A TF f ill p l u g to A T F su mp A 5S 36 0R / A 5S 39 0R (M 14) 20[...]

Pu l l A TF f l u id st rainer f rom tran smissi on p u mp h ou sin g . If st rai n er sea l in g rin g rema in s in p u mp h ou sin g remo v e u sing a seal p u l l er. - I n stal l ation is r ev er se of remov a l . A l wa ys r epl ace sea l f or d rain p l u g and al l g asket(s) and O -ring s. Clean su mp and su mp mag n et(s) u sing a l in t- [...]

Automatic tra nsmis sion flu i d ca pac i ty wi th ou t t orqu e conv erte r 6.2 liters (6.5 q t) A 5S 32 5Z (3.0 l iter) wi th t orqu e conv erte r 8.7 liter (9.2 q t) wi th ou t t orqu e conv erte r 6.1 liter (6.4 q t) Ti gh teni n g torqu es A TF d rain p l u g t o A TF su m p A 5S 36 0R / A 5S 39 0R (M 14) 18 Nm (14 f t -l b ) A 5S 32 5Z 35 Nm [...]

240-3 T ra n s m i s s i o n Rem ov a l a n d I n s ta l l a tio n Re mov al an d in st all atio n of th e tran smissi on is b est accompl ished on a l ift u sin g a t ransmissi on j ack. Use caution an d safe wo rksh op p ractices when worki n g b eneath car and l ow eri n g tran smissi on. CA UTI ON! B e su re th e v ehicl e is p ro perly su pp o[...]

re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o f th is ma n u al on p ag e vii i . Re mov e eng ine coolin g int ake h oo d fasten ers ( ar row s ) at fron t of eng in e compartmen t. - Re mov e eng ine d riv en coolin g fan , u n f asten coo l ing f an cowl and p u l l sl igh t l y u p ward s. See 170 Ra d iator and Coo l[...]

Mak e su re the car i s sta b l e and well su p p o rte d at all ti me s. Use a pro fess i onal au tom otive lift or jack sta nd s d es i gned for the pur p os e. A fl o or jack is no t adequ ate su pp or t. Re mo va l of transm i ss ion w il l ca us e eng i n e to ti p u n less eng i ne su p por t i s u sed. - Re mov e eng ine sp l ash g u ard f r[...]

remo v e cabl e f rom b racket. (A 5S 32 5Z tran smissio n sh own. ) Di scon n ect electr i cal h arn ess conn ector(s) f rom t ransmissio n b y tu r n ing b ayonet l ock rin g (s) ( ar row s ) coun t erclockwi se. On A 5S 325 Z d isco n n ect two conn ectors on t h e l eft side of t h e tran smissi on. On A 5S 360 R / A 5S 39 0R d isco n n ect t h[...]

Re mov e b el l h ou sing -to-eng in e moun t ing b olt s ( ar rows ). - I n stal l BM W sp eci al tools 24 4 131 and 24 4 135 t o secure t orq u e conv erter in p l ace d u rin g tran smissi on remo v al. CA UTI ON! Do n ot allo w th e to rque c onv er ter to fall o ff th e tra nsmiss ion i n pu t shaft. - Re mov e t ransmissio n b y p u l l ing b[...]

I n stal l n ew O-rin g s on tran smissi on coo l er l in es, wh ere app l ica b l e. I n sp ect en g in e d riv e p l ate f or cracks or elon g ated h ol es. Re p l ace if n ecessa ry. Check to b e su re t orqu e conv erter is sea t ed correctl y in tran smissio n d u rin g f in al inst al l ation. Wh en moun tin g tran smissio n to eng in e, t h [...]

Ti gh teni n g torqu es Fron t su sp ension rei n forceme n t t o ch assis (M 10 ) 4 2 Nm (30 f t -l b ) T orqu e con v erter t o d riv e p l ate (M 10) 45 Nm (33 f t -l b ) T ransmissio n su p p ort crossme m b er to ch assis 23 Nm (17 f t -l b ) T ransmissio n t o eng in e (To rx -h ead wi th washer) M 8 21 Nm (15 f t -l b ) M 10 4 2 Nm (31 ft -l[...]

250-1 Gen era l T h is r epair g roup cov ers tr ansmissio n g ea r sh ift an d l in kage serv ice f or b oth manu al an d au tomatic tran smissio n equ ip p ed ve h icl es. Spec ia l tools BM W su g g ests t h e u se of on e sp eci al tool in t h e remov al of th e g ear sh ift l ev er f or man u al t ransmissio n eq u ip p ed v ehicl es. Pin wre [...]

250-2 M a n u a l T ra n s m i s s i on Gea rs h i f t M anual T ra nsmi ss ion Gea r s hi ft Linka ge s 1 - Rubb er b o ot 2 - Shi ft l ev er bear i n g 3 - Shi ft arm bear i n g 4 - Shi ft arm 5 - Shi ft l ev er 6 - Selec to r rod 7 - Space r rin g 8 - Circ l i p 9 - Dowel pi n 10 - Lo ck rin g 11 - Washer 12 - Gear se lector rod j oi nt 13 - Be [...]

Use t h e ab ov e il l u st ration as a g u id e when remov ing and in st all in g t h e l inkag e. - R emo v e sh ift kn ob b y p u l l ing kn ob straigh t off th e manu al g earshift . No te: Re moval of t he shif t knob w i l l req ui re ab out 90 l bs. of f orce . Do n ot t w i st knob or l oca ti ng key can be da m ag ed. - Pry u p on rear of [...]

va riou s co mponents due to lack of clea rance . Working ab ov e transmissio n , d isconn ect sh ift rod f rom g earshift l ev er b y p u l l in g off sh ift rod r etai n in g cl ip in d irectio n of arro w ( 1 ). Dise n g age sh ift rod f rom g ear sh ift l ev er ( 2 ). Note wa sh ers on ei t h er sid e of sh ift rod en d . Re l ea se g ea r sh i[...]

I nstal l rub be r gromme t corre ct l y so t ha t i t sea l s out w ater. - C onn ect sh ift rod to sh ift l ev er. I n st all tran smissio n crossmember. Li f t tran smissi on and t ig h ten crossme mb er b ol ts. Before conn ecting t h e sh ift rod to th e l ev er, b e su re th e g ea rsh ift l ev er is facing t h e correct wa y as il l u st rat[...]

250-3 A u tom a ti c T ra n s m i s s i on Gea rs h i f t I n E46 models, t h e el ectronic immo b ilizer (EWS) p rev ent s starter operatio n u n l ess t h e g ea r p osi t ion is Park or Ne u t ral . Gea r s hift m e c hanism , adjust i ng (aut om a tic trans m i s s ion) - Posi t ion g ea rsh ift l ev er in Park. - Ra ise v ehicl e t o g ai n ac[...]

A utom a tic s hi ft lock , che c ki ng fu nction (auto m a tic trans m i s s ion) T h e aut oma tic sh iftl ock u ses an el ectric solenoid t o l ock t h e sel ector l ev er in Park or Ne u t ral . Depressing t h e foot b rake with t h e ig n ition on energ izes th e solenoid , all ow in g t h e l ev er t o be mov ed int o a d riv e g ea r. T h e [...]

l ev er can n ot b e mov ed out of Park or Ne u tral . I f any fau l t s are f oun d ch eck th e electrical operatio n of th e sh iftl ock solenoid an d ch eck f or wi rin g fau l t s to or from t h e t ransmissio n con t rol modu l e (T CM ). See 61 0 El ectrical Co mp on en t Loca t io n s and El ectrical Wiring Dia g rams. No te: The solen oid i[...]

Shift int er loc k, c hec k ing fu nction (auto m a tic trans m iss ion) T h e sh ift in terl ock u ses a cab l e b etwee n th e ign ition switch an d t h e shift l ev er t o l ock t h e sh ift l ev er in th e p ark p osi tion when t h e key is in t h e off p osi tion or remo v ed. T h is f eatu re also p rev en t s t h e key from b eing remov ed f[...]

260-1 Gen era l T h is r epair g roup cov ers th e repair and repl aceme n t of d riv eshaft s an d d riv e sh aft comp on ent s. Driv e ax l es are cov ered in 311 F ront Ax l e Fin al Driv e and 331 Re ar A x l e Fin al Driv e . Spec ia l tools BM W su g g ests t h e u se of a sp ecia l tool in t h e release of th e cl ampin g sl ee ve which acts[...]

d riv e sh aft ru n s f rom t h e t ransf er case to th e fr ont d ifferent ia l . The f ront d riv e sh aft b olt s t o t h e t ransf er case and d iff ere n tial d irectl y, u sin g n o fl ex ibl e ru b b er d isk. Rea r w he el dri v e dri ves ha ft as s em bly A l l w he el drive drives ha ft ass e m blie s 1 - Fron t d rives h aft as sem b l y[...]

tig h t en t o 10 0 Nm (74 f t-l b ) 6 - Re ar drives h aft as sem b l y 7 - Dr i ves h aft ce n ter bear i ng moun t T roublesho oting T h e source of d riv elin e v ib ratio n s an d n oi se can b e d iff icu l t t o p in p oi n t . En g in e, tran smissi on, fron t an d rear ax l e, or wheel v ib ratio n s can b e tr ansmitt ed th r oug h t h e [...]

tab s on t h e d riv eshaft t u b es. I n add ition to in sp ecting f or f aul t y d riv eshaft p arts, th e in st all ed ang l es of th e d riv esh aft sh oul d al so b e con sidered. Fu rth er in sp ection requ ire s remov al of th e d riv esh aft s. Ch eck th e f ron t cen tering g u id e on th e tran smissio n ou tp u t f l an g e for d amage o[...]

Ta b l e a. D riv eshaft t rou b l eshooting l ists symp toms of d riv eshaft p rob l ems and t h ei r p r obab l e causes. M ost of th e repair inf ormatio n is cont ained with in t h is repair g roup . No te: W i t h t he dri vesh aft i nstal l ed , t he actual amo un t t hat the un i versal jo i nts pi vot i s l i mi t ed. F or the most accura t[...]

Sym p to m Probabl e caus e Corr ective action Univ ersal j oi n ts worn or sei zed. Check u n iv e rsal j oint p l ay and mov ement. Re p l ace driv esh aft if n ece ssary. Sl idin g coup l in g sei zed . Re mov e d riv eshaft and ch eck mov ement of sl idin g coup l in g . Cl ean cou p l in g sp l in es an d repl ace p arts as n ece ssary. Dri ve[...]

Sym p to m Probabl e caus e Corr ective action M ou n tin g fl ang e b ol ts l oo se or h ol es wo r n . Re mov e d riv eshaft and ch eck t ran smissi on out p u t fl ang e an d fin al d riv e inp u t f l an g e. Re p l ace if n ecessa ry. Dri ve sh aft u n b al an ced. Check d riv eshaf t for l oo se or missing b al an ce we ig h t s. Hav e d r iv[...]

260-2 Rea r Dri v es h a f t Serv i ce Re p air kits for t h e u n iv ersa l j oint s are n ot av ailabl e for BM W d riv eshaft s. Worn or d ama g ed u n iv ersa l j oi n t s u su al l y requ ire repl aceme n t of th e d riv e sh aft . 1 - He x b ol t, M 12 2 - Ce n t ering sl eev e 3 - Fl ex ibl e d isk 4 - Fron t section of d riv esh aft 5 - Cla[...]

fin al d riv e h av e b ee n remo v ed and inst all ed . If al l oth er p arts of th e d riv e sh aft h av e b een in sp ected an d foun d to b e oka y, b u t t h ere is stil l n oise or v ibration, d riv e sh aft al ig n ment sh oul d b e ch ecke d . T h ere are two imp ortant d riv eshaft alig n ment ch ecks. Th e first is to make su re th at t h[...]

Rear drives haft, rem oving WA RN I NG! B e su re th e wh ee l s are of f th e g ro u n d b efo re re mo ving the drives h aft. S et the p ar king brak e befo re re mo ving th e drive shaft. On ce th e d riv esha f t h as bee n re mo ved, th e ve hi cle ca n ro l l re ga rdles s o f wh ether th e tra n smis sio n i s in ge ar or not. Th e d riv es [...]

Usi n g BM W sp ecia l t oo l 26 1 040 , l oo sen th rea d ed cl amp ing sl eev e on d riv e sh aft a f ew tu rn s. - Re mov e cent er su p p ort b ea r ing moun t ing b olt s. - Re mov e d riv eshaft b u t d o n ot separate t wo h alv es. Pu l l d ow n on center of d riv esh aft t o f aci l itate remo v al. No te: I f drivesha f t halves w ere se [...]

height of the center bear in g o r tra n smis sio n su p por t us i n g shi ms is 3 mm (0.12 i n .). - T ig h t en t h readed sl ee v e on d riv e sh aft t o p rop er torq u e. - I n stal l h ea t sh ield s. - I n stal l ex h aust syst em. See 18 0 Ex h aust System . Conn ect wi ring h arness t o ox yg en sensors. - Ro ad t est v ehicl e t o ch eck[...]

Ti gh teni n g torqu es (repl ace b ol t s) Fl ex -disc t o d riv esh aft or tr ansmissio n fl an g E M 10 (8 . 8 gr ade) 4 8 Nm (35 f t -l b ) M 10 (1 0.9 g rade) 60 Nm (44 f t -l b ) M 12 (1 0.9 g rade) 10 0 Nm (74 f t-l b ) T ransmissio n crossme m b er to b ody (M 8) 21 Nm (15 f t -l b ) No te: Bolt grad e i s m arke d on the bo l t he ad . W h[...]

un supp orte d, t he rea r un i versal jo i nt may be da mag ed . - Unb ol t f l ex -d isc f rom d riv eshaft . No te: Re moval an d i nstal l ati on of t he bolt s may be made ea si er by placi ng a l arge ho se cl amp aro un d the fl ex-disc, and ti ghten i ng t he cl amp sl i gh t l y t o comp ress t he co up l i ng. I n stal l n ew fl ex -d isc[...]

Ti gh teni n g torqu es M 10 (1 0.9 g rade) 60 Nm (44 f t -l b ) M 12 (1 0.9 g rade) 10 0 Nm (74 f t-l b ) T ransmissio n crossme m b er to b ody (M 8) 21 Nm (15 f t -l b ) Center bea ring a ss e m bly , repla c ing T o rep l ace th e center b ear ing asse mb l y, t h e d riv eshaft m u st b e remo v ed from t h e car. T h e cen ter b ea r ing asse[...]

inn er h u b of b ea r i n g . Pu l l in g on outer ring of moun t may t ea r ru b b er, and en t ire b eari n g asse mb l y wil l n ee d t o b e rep l ace d . - Before in stal l atio n , make su re d u st g u ard is on d r iv esh aft, and th en p ress cent er moun t on to d riv e sh aft f l u sh with d u st g u ard. - Pl ace cl amp in g sl ee v e,[...]

sh oul d f it sn u g l y on t h e tran smissi on outp u t sh aft. No te: Some dri vesh aft s ha ve a dust cap i nstall ed on t he e nd of the drivesha ft , ove r t he center i ng gu i de. T he du st cap may be come be nt or dist orted w hen t he drivesha f t i s remo ved o r i nstall ed. Da mage t o the du st cap sho ul d no t affect the cen tering[...]

- I n stal l d riv eshaft as d escri b ed ea rl ier. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Drive sh a ft s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /2... 11 of 1 1 2/ 25/ 2009 10: 20 PM[...]

260-3 Fron t Dri v es h a f t Serv i ce Re p air kits for t h e u n iv ersa l j oint s are n ot av ailabl e for BM W d riv eshaft s. Worn or d ama g ed u n iv ersa l j oi n t s u su al l y requ ire repl aceme n t of th e d riv e sh aft . Front driv eshaft , r em oving a nd ins ta lli ng CA UTI ON! Do n ot mo ve vec h icle u sin g engine power once [...]

- I n stal l ation is r ev er se of remov a l . Ti gh teni n g torqu es Dri ve sh aft t o d riv e fl an g e (M 10 ) 70 Nm (52 f t-l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Drive sh a ft s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /2... 2 of 2 2/ 25/ 2009 10: 21 PM[...]

[...]

270-2 T ra n s f e r Ca se T ra nsf e r c a s e, re m ov i ng and ins ta lli ng - Ra ise v ehicl e an d saf ely su p p ort to access tran sfer case. WA RN I NG! Wh en raising the car us i ng a floo r jack or a hyd ra u l ic li ft, ca refu l ly p o sition th e jack pad to prev ent d am ag in g the car body. A su i table li n er (woo d , ru b ber, et[...]

Re mov e t ransmissio n crossmember ( ar row s ). - De t ach t ran sfer case v ent tu b e. - Kee p in g t h e d riv eshaft in p l ace, remo v e n u t s retainin g rea r d riv e sh aft t o tran sf er case at fl ex ibl e d isc. CA UTI ON! Do n ot allo w th e drives h aft to hang down. Th is may d am age u n i ve rs al joints at d rive shaft end s. - [...]

b efore in st all in g . On manu al t ransmissio n cars: Re p l ace sealin g O-rin g b etwee n tran smissi on and t ransf er case. No te: W hen refi l l i ng tran sf er ca se, reche ck oi l l eve l aga i n aft er d ri vi ng car ap proximatel y 20 0 meters (600 f t). Ti gh teni n g torqu es T ransmissio n crossme m b er to b ody (M 8) 21 Nm (15 f t [...]

300-1 Gen era l T h is sect io n cov ers g en era l i n f orma tion for f ront and rear susp ension , steeri n g system, and t h e el ectronic b r aki n g an d stabil ity con trol systems. Front and re a r s y spens ion syst e m s ( rea r w hee l drive) Front su s pe ns i on I n rea r wheel d riv e cars, t h e con tr ol arm on ea ch side con n ects[...]

Each f ront st ru t assembl y in cl u d es a tu b u l ar st ru t h ou sin g wi t h an in t egrated sh ock absorb er and a l arge coil sp rin g . T h e u p p er stru t moun t in cl u d es a coil sp ring seat an d str u t b eari n g . A ru b b er b u mp st op l imits su sp en sion t rav el . The steeri n g arm cl amps t h e l owe r en d of t h e stru[...]

are d esign ed wi t h ant i-d iv e g eo metry. T h is d esign redu ces th e n orma l ten d en cy f or t h e f ront of th e v ehicl e t o d iv e u n d er h ard b raki n g . Co n t rol arm p ositio n is fix ed , with n o adj u stmen t p rov isio n s on th e contr ol arms for al tering f ront wheel al ign men t . A stabil izer b ar mou n ted to b oth [...]

from t h e rear wheel d riv e v ersi on and h av e also b ee n rel oca t ed t o p rov ide fron t ax l e cl ear an ce. T h e fr ont st abil izer b ar h as b een increase d in d ia m eter to accommo d ate th e add itional wei g h t . See Ta b l e a . T h e str u ts are sh orter th an th e rea r wheel d riv e v ersio n . Rei n f orce m ent p l ates h [...]

ea se p arki n g an d city d riv ing . A t h igh sp eeds, assi st is red u ced t o en su re stab il ity. T h e steeri n g l in kage con n ects th e rack-a n d -p in ion u n it th rou g h t ie rod s t o th e stee rin g arms. The t ie rod en d s all ow th e whee l s to p iv ot and react t o su sp en sio n t rav el. On al l wheel d riv e model s, t h [...]

th e sam e l ayout as t h e rear wheel d riv e v ersi on. T h e rea r su sp ension trav el of th e E46 al l wheel d riv e is app r ox . 17 mm (0.67 in .) l ess t h an t h e rea r wh ee l d riv e v ersi on . T h e rea son f or th e red u ced t rav el in th e rea r is to p rev ent ex cessi v e b od y rol l as a resul t of t h e h ig h er b ody p rofi[...]

l igh t on t h e d ash b oard. T ir es and w he el s T ire size is critical t o th e pr oper op era tion of t h e an ti-l ock b rake system an d traction cont rol syst em. Sev eral d iff ere n t styl es of wh ee l s in 15 , 16 , and 17 inch d ia m eters are av ai l abl e from an aut h ori zed BM W d ealer. On al l wheel d riv e cars, st an d ard wh[...]

300-2 El ectron i c Bra ke a n d Sta bi li ty Con trol Sys tem s A l l E46 v eh icl es are eq u ip p ed with an A n t ilock Braking Syst em (A BS). Earl y p rodu ct ion model s featu red A BS with A u t oma t ic Stab il ity Co n t rol (ABS /A SC). La t er mod els came eq u ip p ed with A BS and Dyn ami c St abil ity Co n trol (A BS/DSC). DSC b u il[...]

DSC 19 99 - 200 0 Dynami c Stab ility Co n tr ol T ev es M K 20 DSC 1 - DSC con trol modu l e and h yd raul ic u n it, rig h t rear of en g in e compartmen t 2 - Brake fl u id reserv o ir, master cyl ind er and DSC b rake p ressu re sensors, l eft rear of en g ine compartmen t 3 - DSC p rech arge p u mp , l eft rear o f eng in e compart ment , u n [...]

4 - Fron t wh ee l sp eed sen sor, at ea ch fron t steering arm 5 - Steeri n g an g l e sensor, at b ase of u p p er st ee ring col u mn 6 - La t eral acceleratio n sensor, b ehin d d riv er’ s kickp anel 7 - Ro t atio n al acceleratio n (yaw) sensor, u n d er d riv er’s sea t, u n d ern ea th ru g No te: There i s no prech arge pump i n t his [...]

T h e electron ica l l y cont roll ed A BS mai n t ains v ehicl e st abil ity and con trol d u rin g emergen cy b raki n g b y p rev en t ing wh ee l l ock-up . A BS p rov id es opt i mu m d ece l eratio n an d stabil ity d u rin g ad v erse con d itions. It automatica l l y ad j u st s b rake syst em h yd raul ic p ressur e at each wh ee l t o p r[...]

may also be r eferre d t o as ASC+T (Automa t i c Stabil i ty Con t rol+ Tracti on ). T h e A SC system imp rov es traction b y electron ica l l y app l ying t h e rear b rake s when t h e rear d riv e wheels are sp inn ing at a faster rate t h an t h e f ront wheels. The comb in ed A BS/AS C contr ol mod u l e, operating t h roug h th e A BS h yd [...]

requ ires sp ecia l test eq u ip ment and kn ow l ed g e and sh ou l d b e p erforme d onl y b y an au th ori zed BM W d ealer. T ab l e c. AS C in d ica t or l amp fu n ction l ists t h e con d itions ind ica t ed b y t h e A SC ind icator l ig h t in t h e in st ru ment cl u ster. AB S/ASC tra ctio n control sy stem 1 - Wh ee l speed se n sor 2 -[...]

In di cator lamp Con d iti on A ction / Us e Li g h t off A SC monitoring mode A u tomatic A SC operatio n Press A SC b u t ton , l ig h t come s on A SC off (d isabl ed) Ro cking t h e car to g et ou t of sn ow or oth er loose sur face Dri vi n g with sn ow ch ai n s Press A SC b u t ton , l ig h t g oes out A SC monitoring mode A u tomatic A SC o[...]

2 - Stee r ing an g l e sen sor 3 - R otatio n al rate (yaw) sen sor 4 - Bra ke p ressu re sensor 5 - A BS wheel sp eed sensors 6 - Eng in e con t rol modu l e Ou tp u t s 7 - A BS/DSC h yd raul ic system 8 - I g n itio n (sp ark) 9 - Fu el in j ection 10 - T h rottl e v alv e T h e DSC syst em can b e t ogg l ed on an d off b y a swi t ch mou n te[...]

Sy s tem functions Each of t h e el ectronic b r aki n g and stab il ity con trol systems in cl u d e su b -syst ems which u se th e h yd rau l ic u n it/ cont rol mod u l e an d sensors t o carry out ad d itional syst em f u n ct io n s. The fou n d ation of th e st abil ity cont rol systems is A n til ock Braki n g Syst em (A BS) wi t h th e fol [...]

wheel b rake circuit d u rin g corn ering if activ ation t h reshol d v al u es are ex ceeded . Electr o n ic b rak e p ropo rtio ni ng (EBV) El ectronic b rake p rop ortioning ad j u sts b raking force to t h e rear wheels b ase d u p on t h e v eh icle' s l oa d ing , fr ont t o rear, to max imi ze th e v ehicl e's b raki n g p owe r. U[...]

Pressure rel ea se Wh en int erv ent io n is n ece ssary: T h e ch an g eov er v al v e in t h e h yd rau l ic u n it en ergizes and cl oses inl et v al v es f or th e two fron t wheel s and t h e rear wheel wi t h tr actio n . T h e rea r b rake circuit in take v al v e is energ ize d and open ed to rear wh eel wi th ou t t ractio n . Re t u rn / [...]

Dr ag to rqu e r edu ction (M SR) Durin g d eceleratio n an d en g in e b raking cond itions en g ine d rag torq u e can cau se th e re ar wheel s of a v ehicl e t o l ock on l ow t ractio n su rfaces, esp ecia l l y in h ig h sp eed, l ow g ea r d riv in g . T h is can l ead to l oss of t raction in t h e rea r. W h en d riv e wheel sp ee d is sl [...]

Wh en DBC f u n ct io n is activ a ted , b r aki n g p ressur e wi l l increase at al l wh ee l s u p t o th e A BS reg u l ation p oint . DBC wi l l cont inu e u n t il t h e d riv er release s t h e b rake p edal , b rake p ressure d rops, or th e v ehicl e sl ows to u n d er 3 mp h . M ax i mum brak e con tr ol (M BC ) M ax im u m b rake cont ro[...]

th reshol d V ehicl e road sp ee d d rops b el ow 3 mp h Teve s M K 20 ASC d i agra m Su spe n si on , St eer i n g a n d Brakes — Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 14 of 2 4 2/ 25/ 2009 10: 24 PM[...]

Teve s M K 20 DSC Diagram Su spe n si on , St eer i n g a n d Brakes — Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 15 of 2 4 2/ 25/ 2009 10: 24 PM[...]

Ve hic le ne tw ork T h e h yd rau l ic u n it/ con trol modu l e commun ica t es with some sensors an d many oth er con trol modu l es ov er t h e CA N-b u s. T h e CA N-bu s is a system of wi ring t h at fu n ctions l ike a com p u t er n etwor k, al l owi n g d i f ferent comp onen t s to commu n icate ov er t h e same d ata l ine, at t h e same[...]

from A SC/DSC switch on d ash . A BS con t rol modu l e sig n al s t u rn inst ru men t cl u ster warnin g l amp s on d u rin g A SC/DSC regu l at io n . Hydraul ic unit/control m odule T h e h yd rau l ic u n it is mou n t ed in conj u n ction with t h e con t rol modu l e. Wh il e t h e h yd rau l ic u n it and cont rol modu l e fu n ct io n as o[...]

20 01 Bosch DSC I II 5.7: Hall effect 20 01 T ev es M K 60 DSC : M ag n etore sistiv e 1 - Fastenin g element 2 - Groun d cont act 3 - Se n sor wir ing 4 - Se n sor h ou sing 5 - M e t al p u l se whee l 6 - Se n sor element su p p ort 7 - Ev alu ation modu l e 8 - Se n sor element 9 - M a g n et 10 - Pick-up su rf ace CA UTI ON! Th e ma g n eto re[...]

DSC later al a c c el era tion s enso r T h e l atera l acce l era t ion sensor p r ov ides th e DS C con trol mod u l e wi t h an inp u t sign al b ased on th e d egr ee of l atera l acce l eratio n (g forces) th at t h e v eh icle ex p eriences. Base d on a 5 v olt refere n ce v olt ag e, t h e sen sor wi l l retu rn an ou tp u t v olt ag e th at[...]

Bosc h DSC I I I 5.7 di agram Su spe n si on , St eer i n g a n d Brakes — Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 20 of 2 4 2/ 25/ 2009 10: 24 PM[...]

DSC rot ational ra te (ya w ) sens or T h e rotatio n al rate sensor p rov i d es a anal og v ol t age sig n al t o th e DSC con trol modu l e to in d icate th e ro t atio n al sp ee d (yaw ) of t h e v eh i cl e on its v ertical ax is. T h e cont rol mod u l e su p p l ies a 5 v olt refere n ce v olt ag e to t h e sen sor. The sensor retu r n s a [...]

ang l e sensor rep l aceme n t or repairs to th e stee rin g col u mn . T h is reca l ibr atio n is p erforme d u sing eith er th e DI S or M oD iC BM W scan tools. DSC press ure sens or T h e DSC p ressu re sen sor(s) p rov ides th e A BS/DSC cont rol mod u l e an an al og v olt ag e sign al in p rop ortio n to b rake p ressur e in th e master cyl[...]

Br ake l ig h t swi tch T h e b rake l igh t switch in p u t si g n al is u sed b y t h e cont rol mod u l e t o d etermine which stab ility con trol rout ine is n ecessa ry. The con tr ol modu l e wi l l int erru p t A u t omatic Stabil ity Co n t rol (A SC) fu n ct io n s if t h e b rake p edal is d epressed d u ring A SC op era tion. O n v ehicl[...]

cont rol mod u l e. Wh en fl u id l ev e l is t oo l ow , t h e circu it is b r oke n an d t h e A SC/DSC fu n ct ions are tu rn ed off . No rm al b raking and A B S remai n s u n aff ected. Warnin g l am p s Braki n g and st abil ity cont rol war n in g l igh ts 1 - A SC/DSC war n in g l igh t. l l l u m inates solid l y when ASC / DSC syst em h a[...]

300-3 T rou bl es h oot i n g Stab l e h an d l in g and rid e comfort b oth d epen d on th e int eg rity of th e su sp en sio n an d st ee rin g compon en ts. A n y symp t om o f in stab ility or imp reci se roa d f ee l may b e caused b y w orn or d ama g ed su sp en sion comp on ent s. Wh en trou b l esh ooting su sp en sio n an d steeri n g p r[...]

Sym p to m Probabl e cause R epairs v ibrat i on or sh immy Worn su sp en sio n b u sh in g s (cont rol arm or t rai l ing arm) Re p l ace wo rn b u sh ing s. 310 , 33 0 Worn fron t su sp ension b al l j oi n t s (con t rol arm, steeri n g arm or steeri n g tie-ro d en d ) Re p l ace wo rn b al l j oi n t s. 310 Un b alan ced or b en t wh ee l s/ t[...]

Sym p to m Probabl e cause R epairs Su sp en sio n n oi se, esp eci all y ov er b u mp s (d ru mmin g , rattl ing ) Worn fron t u p p er str u t moun ts Re p l ace up p er st ru t moun t s. 310 Worn su sp en sio n b u sh in g s (cont rol arm or t rai l ing arm) Re p l ace wo rn b u sh ing s. 310 , 33 0 Worn stab il ize r b ar ru b b er moun ts Re p[...]

trou b l esh oo tin g of major A BS compon ent s r equ ires sp ecia l t est equ ip men t an d kn ow l edg e and sh ou l d b e p erformed b y an aut h orize d BM W d ealer. A BS is sel f- tested b y t h e con trol modu l e ea ch t ime th e car is st arted. On ce th e test is comp l ete, t h e A BS d ash b oard wa rn ing l ig h t t u rn s off. If t h[...]

missi n g , cl og g ed or corro d ed teeth , or oth er d ama g e t h at cou l d al ter t h e cl ea r ance b etwe en th e sen sor t ip and tooth ed wh ee l . Ride he ight Ri d e h eigh t measurement ( A ) at eith er ax l e is taken f rom cent er of wh eel arch to b ottom of wh ee l rim. I f t h e ride h eigh t is out sid e th e sp eci f icatio n l i[...]

Wh eel size S t andard sus pen sion Spo rt suspension Roug h road suspension All wh eel d rive suspension 16 in ch 58 9 mm (23 .19 in . ) 57 4 mm (22 . 59 in.) 60 6 mm (23 .86 in. ) 60 6 mm (23 .85 in . ) 17 in ch 60 4 mm (23 .77 in . ) 58 9 mm (23 . 19 in.) 62 1 mm (24 .44 in. ) 62 1 mm (24 .44 in . ) 18 in ch 61 7 mm (24 .29 in . ) 60 2 mm (23 . [...]

310-1 Gen era l T h is r epair g roup cov ers th e repair and repl aceme n t of compon ent s th at make u p th e f ront su sp en sion of E46 cars. See 300 Su sp ensio n , St ee rin g an d Brake s-G eneral f or a d escription of th e fron t su sp ensio n and comp onen t s, as we l l as sp eci ficatio n f or sett ing rid e h ei g h t . Spec ia l tool[...]

Upp er st ru t n u t remov al socke t BM W 31 2 21 0 Fron t coi l sp ring comp resso r B M W 31 3 12 0 Ball j oint p u l l er (all wh ee l d r iv e BM W 32 2 04 0 Ball j oint p u l l er BM W 32 3 090 Ou t er CV j oi n t remo v al t oo l BM W 33 2 11 1/116 / 11 7 Fron t Su spe n si on h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E4[...]

Sl ide h ammer wi t h ad apt er BM W 33 4 20 1/202 / 20 3 33 2 116 I n n er b eari n g race p u l l er set BM W 33 4 40 0 Front s uspens i on cons truction Some fr ont su sp en sio n comp on ents are const ru ct ed of we igh t sav ing materi al s. F or ex amp l e, t h e cont rol arms (in rea r wh ee l d riv e mo d el s) are forg ed al u minu m. Thi[...]

se l f-l o cking fast ener s any time they ar e l oo se n ed o r re mo ved. Do n ot in sta ll b olts and n uts co ate d wi th underc oating wax, as th e co rr ec t ti g hteni n g tor q u e ca n n o t b e as sur ed. A l ways clea n th e th rea ds wi th so lvent befo re in sta ll ation, or in sta ll new parts . Do n ot atte mpt to weld or str aighten[...]

as sem b l y (6 cy li nd er models) 1 - Upper str u t moun t 2 - Coil spring 3 - Strut ass embly 4 - Control arm 5 - Control arm bu shi ng and moun t 6 - Ti e rod 7 - Stee rin g rac k 8 - Fron t stabi li zer bar 9 - Fron t suspension subfram e 10 - Stee rin g arm 11 - Stabil izer bar li n k Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s[...]

310-2 Sh ock A bs orbers a n d Spri n gs No te: Setti ng the ri de h eight i s cove red i n 300 Suspe nsi on , Steering an d Brakes- Gene ral . T h e fron t su sp ension sh ock ab sorbers in E46 cars are M cPh erson st ru t s. The stru t is a major comp onen t of th e su sp en sio n an d su p p orts th e sp rin g . M ost st ru t asse mb l y compon [...]

No te: Right si de sho w n i s i n i l l ustrati on. Left si de bracke t al so holds brake pad w e ar sen sor w i re. - Unb ol t b rake calip er asse mb l y, kee p in g b rake h ose con n ected . Su sp en d b r ake calip er f rom ch assi s u si n g stiff wi re. See 340 Brake s . Re mov e A BS wh eel sp eed sensor moun t ing b olt ( ar row ). Sl ide[...]

of stabi l i z er b ar l i nk ball joint w h i l e remo vi ng moun t i ng nu t . Re mov e t ie rod ou ter en d n u t . Use BM W sp ecia l t ool 32 3 09 0 or equ iv alen t t o p ress t ie rod en d off steeri n g arm. - Re mov e l owe r b al l j oint n u t. Use BM W sp ecia l t ool 32 3 09 0 or equ iv alen t t o separate st ee rin g arm from cont rol[...]

stru t towe r sl ots ( ar rows ). CA UTI ON! Do n ot re mo ve ce nter str ut re taini n g nut. - Lo wer stru t asse mb l y from car. Wh en inst all ing st ru t assembl y in to car: M ake su re l ocatin g p in ( ar row ) of stru t b ear ing is p ositio n ed corre ct l y in st ru t t owe r. I f factory al ig n ment l oca t in g p in is missi n g , ma[...]

Ha v e car p rofessi onal l y al ig n ed when j ob is compl ete. Ti gh teni n g torqu es Brake cal iper t o steeri n g arm 11 0 Nm (81 f t-l b ) Ro ad wheel t o h u b 100 ± 10 Nm (74 ± 7 f t -l b ) Stab ilizer b ar l in k to st ru t 59 Nm (44 f t -l b ) Steeri n g t ie rod to steeri n g arm 6 5 Nm (48 f t-l b ) Steeri n g arm t o cont rol arm 65 [...]

3 - Rive t (all w heel drive or rou gh road p ac kage on ly) 4 - Strut b ea ring re i n force ment (all wh eel d rive or rou gh road pack age o n ly) 5 - Self lo cking flang ed n u t M 8 tig h t en t o: 24 Nm (18 ft -l b ) (18 mm f l an g e) 34 Nm (25 ft -l b ) (21 mm f l an g e) 6 - Space r p l ate (all wh ee l d riv e or roug h road pack age o n [...]

pad 16 - Strut Strut as sem bly , disas sem bling and a ss em bl ing Re p l aci n g th e str u t, u p p er st ru t m oun t or sp ring req u ires th at t h e stru t asse mb l y first b e remov ed from t h e car an d d isa ssemb l ed . F or a g u id e t o p arts u sed d u rin g compon en t repl ace men t, see t h e acco m p anyin g d iagram. - R emo [...]

related compon ent s. - R epl ace stru t, u p p er st ru t mou n t or sp ring , as n eeded. No te: Springs an d/or st ruts should alw ays be rep l ace d i n pa i rs. Be su re th at rep l aceme n t st ru ts are marke d with th e same code as th e on es b ei n g remo v ed . No te: Aft erma rket st ruts are not marke d. V ehicl es with " rou g h [...]

A ssembl y i s rev erse of d isa ssemb l y, n oting t h e f ol l ow ing : Li n e u p sl ot in sp rin g p ad with corre sp on d in g sl ot in l ow er sp ring sea t . Use a n ew u p p er st ru t self l ockin g n u t . Ti g h ten n u t f u l l y b efore releasi n g sp ring comp resso r . Be su re u p p er sp rin g p ad is corre ct l y in stal l ed to [...]

10 - Stru t h ou sing 11 - Lo catin g p in 12 - Protectiv e cap 13 - Upp er sp ring p ad 14 - Wash er 15 - Upp er sp ring seat 16 - Sp ring 17 - Lo wer sp rin g seat Ti gh tenin g torqu e U p p er st ru t moun t to str u t sh aft M 14 self -l ocki n g n u t 64 Nm (47 f t-l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. F[...]

310-3 Fron t En d Rei n f orcem en t I n rear wheel d riv e model s, a f ront end rei n f orceme n t is b ol ted to t h e rear o f th e su b fr ame and attach ed to t h e frame rai l s. CA UTI ON! Do n ot drive v ehicle w i thou t th e fro n t end re in fo rc em ent i n p lac e. Da mag e to the fro nt su spension may res ult. T h e tu b u l ar f ro[...]

larg er (66 mm ) fro n t contr o l ar m bus h in gs . Th e d iffere n ce in th e ear l y pro d uc ti on and l ate r pl ates ca n o n l y be d isce rned b y re mov i ng the p l ate . I n ord er to saf ely u se an early p rodu ct ion p l ate in a car wi t h l arger b u sh in g s, in sert app rop riate size d wa sh ers b etwe en fr ame rails and rei n[...]

310-4 Fron t Su bf ra m e T h e fron t su b frame p rov ides rig id moun t ing p oi n t s f or th e en g in e, su sp en sio n , and stee rin g comp onen t s. T h e su b f rame is n ot n ormall y su b j ect to wea r and sh ou l d on l y b e repl aced if stru ctu ral l y d amaged . Re ar wh ee l d riv e and al l wheel d riv e model s d iff er sig n i[...]

sta n ds beneath a stru ctu ra l chass i s point. Do n ot pl ac e jac k sta n d s u n d er su spension p ar ts. - Re mov e sp l ash sh ield u n d er eng in e compart ment . - Re mov e f ront en d rei n f orce m ent. See F ront E n d Re inf orce ment ea rl ier in t h is g rou p . On cars eq u ipp ed with x en on h ea d l ig h ts: Re mov e f ront rid[...]

Re p eat for l eft sid e. Re mov e st ee rin g rack moun tin g b ol ts ( ar row s ) at f ron t of su b f rame . Su sp en d rack out of t h e way wi t h st iff w ire. Re mov e righ t l owe r en g ine moun t fasten er ( ar row ). - Re p eat on l eft sid e Su p p ort su sp en sio n su b f rame f rom b elow u sin g ap p rop ria t e j acki n g equ ip me[...]

and matin g su r faces are cl ean to ensu re p roper t igh ten in g an d alig n ment . Use n ew self -l ocking n u t s or b olt s, wh ere ap p l icabl e. Lo wer eng in e ont o en g in e moun t s, all owi n g it t o sett l e fu l l y b efore tig h t enin g eng ine mou n t b ol t s. Wh en th e j ob is comp l eted, h av e fron t en d p r ofessi on al [...]

Ti gh teni n g torqu es M 12- 10 . 9 b ol t s 11 0 Nm (81 f t-l b ) M 12- 12 . 9 b ol t s 10 5 Nm (77 f t-l b ) Front s ubfram e , rem ov ing a nd ins ta lli ng (all w hee l drive m odel s) Usi n g en g in e su p p ort eq u ipm ent , raise eng in e u n t il wei g h t of eng ine is su p p orted . - Ra ise car and remov e f ron t wheels. WA RN I NG! [...]

Working at r ea r rig h t corn er of fron t su b f rame , u n h ook h ea tsh ie l d from su b f rame ( arr o w ). Re mov e l eft en g in e moun t fasten er ( ar row ). - Re p eat for rig h t sid e. - Working at r igh t f ront of su b f rame , d etach p owe r steering l in es. Re mov e st abil ize r b ar anch or f asteners ( ar row s ) f rom fron t [...]

- Re p eat for rig h t sid e. Working at l eft sid e of su b frame, remo v e inn er con t rol arm b al l j oi n t moun t ing b racke t b ol ts ( arr o ws ) f rom su b f rame . Ha n g cont rol arm u sin g stiff wi re. WA RN I NG! Do n ot allo w th e co n tro l arm to h ang fro m the ou ter (st eer in g ar m) b all joint. Th is can d am ag e th e bal[...]

I n stal l ation is r ev er se of remov a l , n oting th e f ol l ow ing : M ake su re al l b ol ts, b olt h ol es, and matin g su r faces are cl ean to ensu re p roper t igh ten in g an d alig n ment . Use n ew self -l ocking n u t s or b olt s, wh ere ap p l icabl e. Lo wer eng in e ont o en g in e moun t s, maki n g su re l oca tin g p in on l e[...]

Ti gh teni n g torqu es Steeri n g r ack to su b f rame (M 10 b ol t) 42 Nm (31 f t-l b ) Su b f rame ad apt er to b od y M 10 b olt (always repl ace ) 59 Nm (44 f t -l b ) Su b f rame f ront to b ody M 12- 8.8 b olt 77 Nm (57 f t -l b ) M 12- 10 . 9 b ol t 11 0 Nm (81 f t-l b ) M 12- 12 . 9 b ol t 10 5 Nm (77 f t-l b ) Su b f rame rear to adap ter[...]

8 - Bolt M 10 (always re pl ace ) tig h t en t o 59 Nm (44 ft -l b ) 9 - Control arm rea r brac ket 10 - Bolt M 12 (always re pl ace ) tig h t en t o 11 0 Nm (81 f t-l b ) 11 - Ja ck po i nt 12 - Sub fra me moun tin g b ol t M 12 (se e torqu e table) 13 - Control arm in ner ball jo i nt 14 - Bolt M 12 tig h t en t o 77 Nm (57 ft -l b ) 15 - Self lo[...]

A Ou ter b al l j oint att ach ed t o steeri n g arm B I n n er b al l j oint att ached t o f ront su b f rame C Bu sh in g and b racket att ached to th e frame rai l (rear wheel d riv e model s) or fron t su b f rame (all wheel d riv e model s) No te: Re ar w hee l dri ve f ron t con t rol arm i s sho w n i n t he i l l ustrati on. On al l model s[...]

6 - Bra cket mou n t ing b ol t 7 - I n n er b all j oint (all wh ee l d riv e onl y) 8 - Ba l l j oint mou n t ing b ol t Con trol arm , re m oving a nd inst a ll ing (rea r w he e l drive m ode ls) - R ai se car an d remov e wh ee l . WA RN I NG! Mak e s ur e th at the car i s firmly su pp or ted on j ac k stands d es igned for the p u rpo se. Pl[...]

Re mov e cont rol arm in n er b all j oint moun t in g n u t ( arr ow ) at su b frame. Dri ve b al l j oi n t sh aft out of su b frame u sin g soft faced h ammer . Su p p ort cont rol arm wh il e remo v ing cont rol arm b racket b ol t s ( ar row s ) f rom frame rai l . - R emo v e cont rol arm. I n sp ect r ea r b racket ru b b er b u sh ing for w[...]

I f one co ntro l ar m re ar ru bb er bus h i ng is d am ag ed, b us h i ngs on both sid es mu st be replace d . No te: Co ntr ol arm rea r bush i ng replace men t i s cove r ed l ater i n thi s grou p. - I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : M ake sure al l th rea d b ore s, b ol ts, n u t s an d mating su rfac[...]

Ti gh tenin g torqu es Ou t er b al l j oint t o steer in g arm M 12 self -l ocki n g n u t (always repl ace) 6 5 Nm (48 f t-l b ) R oad wh eel to h u b 10 0 ± 10 Nm (74 ± 7 f t -l b ) Con trol arm , re m oving a nd inst a ll ing (all w hee l drive m ode ls) - R ai se car an d remov e wh ee l . WA RN I NG! Mak e s ur e th at the car i s firmly su[...]

Re mov e in n er b all j oint mou n t ing b racket b ol ts ( ar rows ) f rom su b f rame. Su p p ort cont rol arm. W orki n g at rear of su b f rame , remo v e cont rol arm rear b racke t moun tin g b ol ts ( arr o ws ). - R emo v e cont rol arm. I n sp ect r ea r b racket ru b b er b u sh ing for wea r. Check b al l j oint s f or d amage, l oo sen[...]

I nner ball joint an d con t rol arm rear bu shi ng rep l ace ment i s covere d l at er i n thi s gro up. - I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : M ake sure al l th rea d b ore s, b ol ts, n u t s an d mating su rfaces are cl ean. Use n ew self -l ocking n u ts or b olt s, where app l ica b l e. Ha v e v eh i cl[...]

WA RN I NG! Mak e s ur e th at the car i s firmly su pp or ted on j ac k stands d es igned for the p u rpo se. Place the jack sta n ds beneath a stru ctu ral chas sis point . Do not pl ac e jack stands under su spension p ar ts. - R emo v e sp l ash sh ie l d u n d er e n g in e compartmen t . Re mov e in n er b all j oint f asteners f rom cont rol[...]

Ti gh tenin g torqu es I n n er b all j oint to contr ol arm M 14 self -l ocki n g n u t (always repl ace) 8 0 Nm (59 f t-l b ) Con trol arm bus hings, rea r w hee l drive CA UTI ON! Ne ver reu se a ru bb er b u sh in g that has been p u l l ed o ff th e co n tro l ar m. T he ru bb er co ated i n n er slee ve is d estr oy ed w hen it i s pulled o f[...]

I n sp ect b u sh in g b racket. Rep l ace b racke t if th ere is a cent er p u n ch mark at b oss A . WA RN I NG! I f a b u shin g brac ket wi th th e ce nter punch mar k is reu se d wi th a n ew bus h i ng, th e b u shin g m ay fall ou t. Use p ress t ools to remov e ol d b u sh in g and p ress in n ew . Be su re t o l in e u p marks on n ew b u [...]

protrusio n (rea r w heel d rive m od els) D i me n sio n 6 0 mm bu shin g 66 mm bu shi ng A = To t al b u sh in g l eng t h (n omi n al) 50 . 5 mm (1.9 9 in. ) 53 .5 mm (2.11 in .) B = Bracke t w id th (n omi n al) 34 .0 mm (1.36 in .) C = F ix ed mea su reme n t 8.5 mm (0.3 3 in. ) 12 .0 mm (0.47 in .) D = Protru sio n 8.0 mm (0.3 1 in) 7.5 mm (0[...]

Ti gh tenin g torqu e b racke t to f rame ra il M 10 b ol t (al ways repl ace) Con trol arm bus hings, all w he el drive CA UTI ON! Ne ver reu se a ru bb er b u sh in g that has been p u l l ed o ff th e co n tro l ar m. T he ru bb er co ated i n n er slee ve is d estr oy ed w hen it i s pulled o ff d ry . Chec k wit h an aut h o rized B MW parts d[...]

CA UTI ON! Ne ver reu se a ru bb er b u sh in g that h as been p u l led o ff th e co n tro l arm . Th e ru bb er co ate d in n er sleev e i s destr o yed w h en i t i s p u ll ed o ff dry. Wh en inst all in g b u sh in g on cont rol arm: Co at con trol arm p in an d ru b b er moun t wi t h app rop ria t e l u b rica n t t o facilitate in stal l at[...]

WA RN I NG! A fter in stallation, the car mu st b e left undi stu rbed fo r a mini mu m of 30 min u tes . Leav e car on th e g ro und b ut av oid ma jor mo ve me n t. A fter appro x. 30 minute s, th e lubrica n t u sed t o sli de on the bus h i ng wi l l h av e eva p or ate d and the co ntro l ar m w il l be co rre ctl y se ated i n th e ru b b er [...]

310-5 Sta bi li zer Ba r Stabil ize r ba r, r em oving a nd ins ta lli ng On E46 model s t h e st abil ize r b ar l in ks attach t o t h e stru t assem b l ies. - Ra ise car and su p p ort safel y. WA RN I NG! Mak e su re that the car i s firmly su pp or ted on jack stands d es igned fo r th e p u rpose . Pl ac e the j ac k sta n ds beneath a stru [...]

I f n ecessa ry, l oo sen and remov e stabil izer b ar l in k mou n t in g n u t ( arr ow ) from st ru t . De tach l ink f rom stru t h ousin g . No te: Use a thi n w ren ch to cou nterh ol d shaft of stabi l i z er b ar l i nk ball joint w h i l e remo vi ng moun t i ng nu t . - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi[...]

310-6 Fron t W heel Bea ri n g s T h e fron t wh ee l b ea r ing s are p erma n ent l y sealed an d r equ ire n o mai n t en an ce. On rear w h eel d riv e model s, th e b ea r ing is in teg ral with t h e wh eel h u b and A BS p u l se wheel an d p ressed on th e st ee rin g arm st u b ax l e. 1 - Steeri n g arm an d stu b ax l e 2 - Dust g u ard [...]

su pp or ted on jack stands d es igned fo r th e p u rpose . Pl ac e the j ac k sta n ds beneath a stru ctu ra l chass i s point. Do n ot pl ac e jac k sta n d s u n d er su spension p ar ts. Pry off d u st cap f rom cen ter of wheel h u b . B end b ack st ake d p art ( arr o w ) of wheel h u b (ax l e) col l ar n u t . - Re mou n t wh eel and l u [...]

- I f out ermost b eari n g in n er race stays on st ee ring arm st u b ax l e, u se BM W sp eci al tool set 33 4 40 0 or two-jaw pu l l er to remov e race. CA UTI ON! Do n ot re us e a wh ee l bear in g as sem b l y o n ce it has been rem o ved. Th e re mo va l p ro ce ss d es t ro ys th e bear i n g . T o remov e inn ermost in n er race: Unb ol t[...]

M oun t wheel and l u g b ol ts. Lo wer car to g rou n d t o g ain l ev erage. Ti gh teni n g torqu es Brake cal iper t o steeri n g arm 1 10 Nm (81 ft -l b Brake rotor t o wheel h u b 16 Nm (12 f t-l b ) Ro ad wheel t o h u b 100 ± 10 Nm (74 ± 7 f t -l b ) - With an assistant ap p l ying b rakes, tig h t en coll ar n u t . Ti gh teni n g torqu e[...]

acco mp l ished b y remov ing t h e st ee rin g arm and wh ee l h u b from t h e car an d separating th e compon ent s on t h e b ench . - Ra ise car and remov e f ron t wheel. WA RN I NG! Mak e su re that the car i s firmly su pp or ted on jack stands d es igned fo r th e p u rpose . Pl ac e the j ac k sta n ds beneath a stru ctu ra l chass i s po[...]

Re mov e t ie rod ou ter en d n u t . Use BM W sp ecia l t ool 32 3 09 0 or equ iv alen t t o p ress t ie rod en d off steeri n g arm. - De t ach con tr ol arm from f ront ax l e su b f rame as d escribed ea rl ier. - Re mov e out er b al l j oi n t n u t . Use BM W sp ecia l t ool 32 3 09 0 or equ iv alen t t o separate st ee rin g arm and st ru t[...]

Re mov e circl ip ( 3 ) from st eeri n g arm . 1 - Steeri n g arm 2 - Wh eel b eari n g 3 - Ci rcl ip (al wa ys rep l ace ) 4 - Dust g u ard 5 - Wh eel h u b - Dri ve wheel b ea ring ou t of steeri n g arm u sing a p ress w ith app rop riate ad apt ers. CA UTI ON! Do n ot re us e a wh ee l bear in g as sem b l y o n ce it has been rem o ved. Th e r[...]

- Re p l ace circl ip , making su re rin g is corre ct l y sea t ed . - Pl ace d u st g u ard ov er st eer ing arm h u b . - Dri ve wheel h u b in to b ea rin g u sing a sh op p ress. CA UTI ON! Pre ss o n l y o n th e in ner ra ce . T h e bear i n g is dama ged if i t is n o t pres sed on us in g the in n er rac e. - I n stal l ation of st ee ring[...]

Ti gh teni n g torqu es Steeri n g arm p inch b ol t at stru t h ousin g 81 Nm (60 f t -l b ) Ro ad wheel t o h u b 100 ± 10 Nm (74 ± 7 f t -l b ) T ie rod t o steeri n g arm 65 Nm (48 f t -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Fron t Su spe n si on h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W[...]

311-1 Gen era l T h is r epair g roup cov ers th e serv ice and rep l ace ment of compon en t s t h at make u p t h e fr ont d riv e ax l e f or v ehicl es eq u ipp ed wi th al l wheel d riv e. T h is d riv e system is in teg rated in to t h e fron t su sp ensio n of t h ese model s. For a g en eral d escription of t h e fron t su sp en sio n an d [...]

T ran smissio n f l ang e h old er BM W 23 0 02 0 I n n er CV j oi n t p u l l er BM W 31 1 17 0 I mp act d r ift BM W 31 5 13 0 Ou t er CV j oi n t remo v al t oo l BM W 33 2 11 1/116 / 11 7 Sy s tem descri pt ion T h e fron t ax l e f inal d r iv e u n it is int egrated in t o th e eng in e oil p an on al l wheel d riv e equ ip p ed mod el s. The[...]

b ea r ing p ed estal b ol t t o each sid e of a modified oi l p an. Powe r is t ran smitted to th e fr ont d ifferent ia l f rom t h e tr ansf er case v ia a d riv e sh aft , an d ou t t o f ront d riv e h u b s th roug h t wo dr iv e ax l es. All w heel d rive fron t di ffer ential and fron t subfram e 1 - Fron t sub fra me 2 - Righ t axle bear i[...]

8 - Bolt M 10 (always re pl ace ) tig h t en t o 59 Nm (44 ft -l b ) 9 - Bolt M 12 tig h t en t o 77 Nm (57 ft -l b ) 10 - Fron t con trol ar m w it h ball jo i nt and rea r moun tin g brac ket 11 - Fron t di ffer ential 12 - Fron t di ffer ential drain pl ug tig h t en t o 65 Nm (48 ft -l b ) 13 - Bolt M 10 tig h t en t o 45 Nm (33 ft -l b ) 14 - [...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Fron t Ax l e Fin a l Dri ve h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 5 of 5 2/ 25/ 2009 10: 27 PM[...]

311-2 Dri v e A xl es T h e fron t d riv e ax l es for al l wheel d riv e equ ip p ed mod el s u se two diff erent typ es of con stan t-ve l ocity (CV ) j oi n t. T h e out er CV j oi n ts are a t radition al d esi g n th at al l ows p ow er to b e d eliv ered f rom t h e ax l e t o th e j oi n t contin u ousl y t h rou g h rotatio n . T h e inn er[...]

sta n ds desig n ed f o r the p ur p o se . A floo r jack i s not adequ ate su p por t. - Re mov e f ront wh ee l . - Re mov e sp l ash sh ield from b elow eng in e compart ment . - I f wo rkin g on rig h t sid e, remo v e righ t side h ea t sh ie l d from f ront ax l e su p p ort. Re mov e A BS sen sor ( arr o w ) f rom steeri n g arm. - Uncl ip b[...]

Su p p ort cont rol arm. W orki n g at rear of su b f rame , remo v e cont rol arm rear b racke t moun t in g b ol ts ( arr o ws ). - T il t st eer ing arm t o one sid e, out of th e wa y. - Usi n g BM W sp ecia l t oo l 31 1 170 or equ iv alen t p r y b ar, p r y in b oar d CV j oint ou t of fr ont d ifferent ia l or b ea r ing p ed estal . No te:[...]

Be su re to restake n ew col l ar n u t at ou tb oard en d of d r i v e ax l e after tig h t enin g to correct t orq u e sp eci f icatio n s. Ca u l k ax l e th r ea d s. T op u p d ifferent ial f l u id. See Fron t d iff erential oil, ch ecki n g and fil l in g Ti gh teni n g torqu es Brake cal iper t o steeri n g arm 11 0 Nm (81 f t-l b ) Co n tr[...]

WA RN I NG! Mak e su re ca r is stable and well su pp or ted at all ti me s. Use a pro fess ional au tom o t ive li ft or j ac k sta n ds desig n ed f o r the p ur p o se . A floo r jack i s not adequ ate su p por t. - Re mov e sp l ash sh ield from b elow eng in e compart ment . Re mov e in n er b all j oi n t mou n tin g b racke t b ol ts ( arr o[...]

1 - Ri g h t ax l e b eari n g p edestal 2 - Fron t d iff erential 3 - I n p u t sh af t sea l 4 - Small d u stcov er 5 - La rg e d u st cov er 6 - Di f f ere n tial p l u g 7 - Pl u g sealing rin g 8 - Dri ve ax l e radial seal wi t h l ock ring , l eft 9 - O-rin g 10 - En g in e oil p an 11 - Driv e ax l e radial seal wi t h l ock ring , righ t N[...]

I n sert in b oard end of d riv e ax l e p artia l l y int o d iff ere n tial h ou sing or b ea r ing p ed estal . With d r aw p rotectiv e sl ee v e f rom sea l in g l ip , cu t p rotectiv e sl ee v e and remov e sl eev e. Co n t in u e inst al l in g d riv e ax l e u n t il sp ring cl ip sn aps au d ibl y int o p l ace . No te: Al w a ys r ep l a[...]

O uter CV j oint boot , re plac ing No te: W hen rep l acing CV bo ots, use comp l et e bo ot repa i r ki t s. A ki t w i l l i nclude a new boo t, cl amp i ng ban ds, spe ci al l ubrican t , an d a ne w outer CV jo i nt axl e ci rcl i p. A ki t i s avail abl e from an auth oriz ed BMW de aler parts de partmen t. - Re mov e d riv e ax l e f rom v e[...]

- A p p l y Lo ct ite® 270 or an equ iv alen t h ea v y-d u t y l ocki n g compou n d to d riv e ax l e sp l ines. WA RN I NG! Do n ot let lock i n g co mpou nd co n tac t ball s in joint. A p pl y only a th i n co at to co ver spl in es. - Pack outer CV j oi n t wi th f resh g rea se. Ta p CV j oi n t on to sp l ined end of d riv e ax l e u n til[...]

Re p l ace con tr ol arm b racket b ol ts. Be su re to restake n ew col l ar n u t at ou tb oard en d of d r i v e ax l e after tig h t enin g to correct t orq u e sp eci f icatio n s. Ca u l k ax l e th r ea d s. T op u p d ifferent ial f l u id. See Fron t d iff erential oil, ch ecki n g and fil l in g Ti gh teni n g torqu es Ball j oin t b racke[...]

- Re mov e circl ip retaining t ripl e roll er b earing to d r iv e ax l e and remo v e trip l e roll er b eari n g . - Sl ide b oot off d riv e ax l e. Sep arate inn er CV j oi n t b oot ad apt er f rom b oo t . - Clean al l ol d l u b ricant off ax l e sp l ines and t ripl e roll er b ea r ing sp l ines. - I n stal l n ew inn er CV j oi n t b oot[...]

b oo t kit. - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : M ake su re in b oard en d of d riv e ax l e aud ib l y sn ap s in t o p l ace. Re p l ace con tr ol arm b racket b ol ts. Be su re to restake n ew col l ar n u t at ou tb oard en d of d r i v e ax l e after tig h t enin g to correct t orq u e sp eci f icatio [...]

3 - Circ l i p 4 - Trip l e r ol l er bear i n g 5 - In ner CV jo in t bo ot adapter 6 - Clam p 7 - In ner CV jo in t bo ot 8 - Dr i ve ax l e shaft 9 - Clam p Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Fron t Ax l e Fin a l Dri ve h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s [...]

311-3 Fron t Di f f eren ti a l Proce d u res f or repl aceme n t of O -rin g sea l b etwe en th e en g in e oi l p an and th e f ron t d ifferent ial or righ t sid e b ea r ing p ed estal are cov ered in F ront ax l e d ifferent ial, remov in g and inst all in g and Ri g h t ax l e b earing p edestal , remov in g and in stal l in g . Front diff e [...]

Fi nal d rive d rain and fil l Oil sp ecifica t io n s BM W SA F -X O syn th et ic oi l Fron t ax l e d iff ere n tial oi l capacity 0.7 l iters (0.74 US q ts. ) Ti gh teni n g torqu e Fron t ax l e d iff ere n tial d rain / fil l p l u g 65 Nm (48 f t -l b ) Front ax l e diff ere ntial , rem oving and inst a lli ng - Di scon n ect b att ery n egat[...]

Re l ea se n u t at top on righ t eng in e moun t ( ar row ). Re mov e n u t ( ar row ) at b ottom on l eft eng in e moun t. - Ra ise eng ine ap p rox ima t ely 10 mm (0.4 in .). - Re mov e f ront wh ee l s. Un b ol t b rake cal ipers an d su sp en d from b ody u sin g stiff wire . See 340 Brake s . - Re mov e f ront d riv esh aft . See 260 Driv es[...]

Su p p ort l eft con t rol arm. W orking at rea r of su b f rame , remov e cont rol arm rea r b racket mou n t ing b olt s ( arr ow s ). - Re p eat for rig h t sid e. Re mov e l eft t ie r od ou t er end n u t ( ar row ). Use BM W sp ecia l t ool 32 3 09 0 or eq u iv alen t t o p ress tie rod en d off st eeri n g are . - Re p eat for rig h t sid e.[...]

No te: Be pre pare d to catch oi l dri ps f rom dif feren t i al or ri ght si de be ari ng pe destal. Working on l ef t side of car: Re l ea se p inch b ol t ( arr ow ) at t op of steering arm. Pu l l steering arm d own f rom st ru t asse mb l y. Re mov e st ee rin g arm, d r iv e ax l e, and cont rol arm assembl y as on e u n it. Re p eat for rig [...]

ha rnesse s an d othe r und er bod y comp one nts are clear du ri ng remo val . De t ach v en t t u b e f rom p ort ( A ) on f ront ax l e d iff ere n tial. Remo v e moun tin g b olt s ( B ) and remov e f ront ax l e d ifferent ia l . - I n stal l n ew se alin g rin g , coating insid e edg e wi t h asse mb l y l u b ricant . Pu sh assembl y rin g u[...]

Ti gh teni n g torqu es Brake cal iper t o steeri n g arm 11 0 Nm (81 f t-l b ) Co n trol arm b racke t t o fron t su sp en sio n su b f rame (rep l ace b ol ts) 59 Nm (44 f t -l b ) En g in e moun t t o su b f rame M 10 self l ocki n g n u t 45 Nm (33 ft -l b ) Fron t ax l e d iff ere n tial to oi l p an 45 Nm (33 f t -l b ) Fron t ax l e d iff er[...]

Ti gh teni n g torqu es M 12- 10 . 9 b ol t 11 0 Nm (81 f t-l b ) M 12- 12 . 9 b ol t 10 5 Nm (77 f t-l b ) Su b f rame rear to adap ter M 12 b ol t (always repl ace ) 11 0 Nm (81 f t-l b ) Right ax l e bea ring pede s tal, rem oving and inst a lli ng - Li f t v eh icle and su p p ort safely. WA RN I NG! Mak e su re ca r is stable and well su pp or[...]

Su p p ort cont rol arm. W orki n g at rear of su b f rame , remo v e cont rol arm rear b racke t moun t in g b ol ts ( arr o ws ). - Usi n g BM W sp ecia l t oo l 31 1 170 or equ iv alen t p r y b ar, p r y in n er CV j oi n t ou t of b ea r ing p ed estal . - Re l ea se p inch b ol t at top of steeri n g arm. Pu l l steer in g arm d ow n from st [...]

on oil pa n, t he asse mbly ri ng i s forced ove r seali ng ri ng an d rema i ns i n pl ace . - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : A l wa ys r epl ace d riv e ax l e radial sea l b efor e inst al l ing d riv e ax l e. T op u p d ifferent ial f l u id. See F ront d ifferent ial oil, ch ecking and fil l in g T[...]

WA RN I NG! Mak e su re ca r is stable and well su pp or ted at all ti me s. Use a pro fess ional au tom o t ive li ft or j ac k sta n ds desig n ed f o r pur p os e. A fl o o r jack i s not adequ ate su p por t . - Re mov e f ront d riv esh aft . See 260 Driv esh aft - Pry out in p u t f l an g e retaining n u t l ock p l ate. Usi n g a centerp u [...]

BM W sp ecia l t ool 31 5 13 0 or equ iv alen t d rift. - Re p l ace d u st sh ield s. - Clean in p u t f l ang e and in stal l in to d ifferent ia l h ousin g . T ig h t en d own n u t u n t il p u n ch marks alig n . I n stal l n ew inp u t fl an g e reta in i n g n u t l ocki n g p l ate. CA UTI ON! Do n ot to rque i np ut flange re tain i ng nu[...]

320-1 Gen era l T h is r epair g roup cov ers steeri n g wheel and col u mn remo va l an d st eeri n g system serv ice , incl u d in g wheel alig n ment inf ormatio n . No te: I gnit i on l ock cyl i nde r replacem en t i s covere d i n t his secti on. For i nformati on o n steering column mou nted sw i tches i ncl ud i ng t he i gn i ti on sw i t [...]

T ie rod en d r emo v al t ool BM W 32 3 09 0 Fron t camber adj u stin g tool BM W 32 3 14 0 Stee ring syst e m T h e v ari abl e-assi st p owe r steering system con sists of an en g ine-d riv en h yd raul ic p u mp , a rack-a n d -p i n ion steeri n g r ack asse mb l y with an int eg ral h yd raul ic cont rol v al v e, and con n ectin g l inkag e [...]

l ine f rom t h e steeri n g rack t o th e rese rv oi r l oops int o t h e ai r stream in fron t of th e v ehicl e and is u sed as a steeri n g f l u id coo l er. T h e steeri n g r ack and l in kag e re q u ire n o mai n ten ance oth er th an alig n men t and p erio d ic insp ection for wo rn compon ent s. The ru b b er rack b oo t s and t ie -r o[...]

Do n ot re us e se l f-lock i ng nuts . Th ey are d es i gned to be us ed o n l y o n ce and ma y fail if reu se d. A l w ay s replace th em w it h new loc kin g nuts . Do n ot in sta ll b olts and n uts co ate d wi th underc oating wax, as co rre ct ti g hteni n g tor q ue ca n n o t b e as sur ed. A l ways clea n th e th rea ds wi th so lvent bef[...]

320-2 Steeri n g W h eel Stee ring w he el , rem ov ing a nd ins ta lli ng - Ce n t er st ee r ing wh ee l . M ake su re fron t wheel s are p oi n ted straigh t ahead. - Di scon n ect n eg ativ e (-) cab l e from b attery. CA UTI ON! Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o[...]

The stee ri ng column a nd stee r i ng w he el are matchmar ked ( arr ow ) at t he factory. Co nfi rm t hese marks be f ore remo vi ng w he el from col umn. - Re mov e st ee rin g wheel. - Wh en rei n stal l in g steeri n g wheel: A l ign st ee rin g wh eel and col u mn match marks. A l ign st ee rin g wh eel to al ign ment p ins l ocated on steeri[...]

320-3 Steeri n g Col u m n Stee ring c olum n ass e m bly 1 - He x b o lt (M 14 x 1.5) tig h t en t o 63 Nm (46 ft -l b ) 2 - Ca b le du ct 3 - Stee rin g col umn adju stm ent l ev er 4 - Upper ste ering colu mn 5 - Lo wer ste erin g colu mn w i th un iver sa l j o in t 6 - To rx b o lt (M 8 x 33 ) tig h t en t o 22 Nm (16 ft -l b ) 7 - Fl ex ib l [...]

tig h t en t o 22 Nm (16 ft -l b ) 12 - Stee rin g col umn moun tin g brac ket 13 - Colu mn return spring 14 - Nut (M 8) tig h t en t o 4.8 Nm (3.5 ft -l b ) recheck as n ecessa ry Ignition lock c yl inder , rem oving and inst al li ng T o remo v e th e rin g ant en n a p rior to remo v ing ig n ition l ock cyl in d er, it is n ecessa ry t o remov [...]

Re in stal l atio n is rev erse of remo v al . Low e r st ee r ing colum n, re m oving and inst a ll ing No te: Once the l ow er st ee r i ng col umn has be en remo ved there w i l l be no end stop for t he steering w hee l . In ord er to preve nt da m ag e t o con tact ri ng i n steering column, f ol l ow pro cedu ral st ep s as l i st ed. 1. Unlo[...]

Working n ear firew all , remo ve p in ch b olt at u n iv e rsal j oint an d remo v e l owe r steeri n g colu mn . No te: Up per steering column i s keyed t o l ow er steering column un i versa l joint. It can on l y be i nstal l ed i n one posit i on. I n st all ation is rev er se of r emo v al , n oting th e fol l ow ing : Re p l ace fl ex ibl e [...]

Pu sh in sid es of u p p er t rim cov er ( ar row s ) t o release f rom l owe r t rim. Pu l l b ack and u p on u p p er t rim. Pry g ent l y t o d et ach fl ex ib l e cov er from u p p er t rim. Li ft off trim. Re mov e l eft f ootwe l l ( p edal cl u st er) trim p anel . Re mov e screws ( A ). Re mov e f asteners ( B ). Di sconn ect elect rica l h[...]

Unp l u g conn ector at f oo twell in terio r l igh t ( A ), if eq u ip p ed . Sl ide l ock at O BD II con n ector ( B ) in d irectio n of ar row . Unp l u g conn ector at cel l u l ar p h on e sp eake r ( C ) if eq u ip p ed . - R emo v e l owe r st ee rin g colu m n as d escribed ear l ier. T o remo v e stee rin g col u mn l ow er t rim, d riv e [...]

Re mov e sh ift in t erlock cabl e ( A ) if n ecessa ry. - D isco n n ect el ectrical h arness conn ector at EW S 3.3 rin g an t en n a ( B ). - Worki n g at steer in g col u mn , d etach wi ring h arn ess fr om cabl e d u ct. Dri l l out st eeri n g colu mn mou n t ing sh ear b ol t ( A ), and remov e mou n tin g b ol t ( B ). Re mov e l owe r st [...]

u n t il b ol t h ead sh ears off. M ake sure l ock of in terl ock cab l e sn aps in to p l ace . Wh en inst all in g col u mn t op tr im p anel , rep l ace ex p ansion n u t f or trim retainin g screw . Wh en inst all in g l ow er trim p an el , p u sh ex p ansion riv et p in int o riv et u n t il p in h ea d is fl u sh wi t h riv et h ead. Ti gh [...]

320-4 Pow er Steeri ng Sys tem T h e p ow er steeri n g f l u id reser v oir is l oca t ed on th e l ow er l eft f ront of t h e eng in e. CA UTI ON! Maintain clean co n d it ions wh en wor kin g wit h ope n p o wer ste ering fluid l in es . Plug off power stee rin g li nes and co n nectio ns to ke ep ou t co ntamination. Pow er stee ri ng fl u id [...]

6 - Ba n jo b ol t M 16 tig h t en t o 40 Nm (30 ft -l b ) 7 - Pow er stee rin g ra ck 8 - Pre ssurized flu id li ne 9 - Fl ui d return l i ne 10 - Fl ui d coo l er 11 - Ra ck bo o t kit 12 - Ti e rod n ut tig h t en t o 65 Nm (48 ft -l b ) 13 - O u ter t ie rod end 14 - Clam p ring 15 - O u ter t ie rod end lo ck nut tig h t en t o 45 Nm (33 ft -l[...]

fl u id reserv oir wi t h cl ean f l u id. Fil l l ev el t o M AX mark on d ip stick. - Start en g in e. Sl ow l y t u rn st ee ring wheel from l ock to l ock a minimu m of t wo time s. - T u rn en g in e off and ch eck fl u id l ev el, ad d in g more if n ecessa ry. P ow e r s tee r ing pum p, rem oving and inst al li ng - Empt y p ow er steeri n [...]

- R emo v e fron t st abil izer bar anch ors and swing st abil ize r b ar d ow n ou t of th e wa y. S ee 310 Front Su sp en sio n . Re mov e p u m p m oun t in g b olt s ( arrows ) and remov e p u mp . Rea r wh ee l d riv e model sh ow n . - I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : M ake sure al l th rea d b ore s,[...]

Stee ring ra c k , r em oving a nd inst a ll ing - Empt y p ow er steeri n g fl u id reserv oir u sin g cl ea n syrin g e. Do n ot reu se fl u id. - R ai se f ron t of car, an d remo ve wheels. Remo v e sp l ash sh ie l d f rom u n d er en g in e. M ake re ference measurement ( A ) of l eft out er t ie rod en d to t ie rod . Reco rd mea su reme n t[...]

Working u n d erneath car, remov e fl u id l ine b anj o b olt s ( ar rows ) f rom st ee rin g rack. CA UTI ON! Plug o ff power st eer in g li n es and co nn ectio n s to kee p ou t co ntamin atio n . No te: I t may be nece ssary t o remo ve othe r comp on ents t o gain acce ss t o steering rack. Re mov e l owe r st ee ring col u mn fl ex ib l e j [...]

M ake sure al l th rea d b ore s, b ol ts, n u t s, sp l ines an d mat ing su rf aces are cl ean. Use an ti-sei ze p aste on inn er tie rod th rea d s. Use n ew self -l ocking n u ts wherev er app l ica b l e. Use keyed compon ent s to rea ssembl e st ee r ing col u mn f l ex ibl e j oi n t t o steeri n g rack sh aft. M ake su re wheel s are straig[...]

Ti gh tenin g torqu es M 14 b an j o b ol t 35 Nm (26 ft -l b ) M 16 b an j o b ol t 40 Nm (30 ft -l b ) O uter tie rod e nd, re pla ci ng - R ai se f ron t of car. Remo v e roa d wheel. WA RN I NG! Mak e s ur e th e ca r is fi rm ly su p p o rte d o n jack stands d es igned for th e pur p os e. Pl ac e th e j ac k stands beneath a stru ctu ral cha[...]

No t e correct pl ace m en t of i nne r tape r on l ocking ri ng Lo osen ou ter t ie ro d end l ock n u t ( ar row ). - U n screw tie rod en d fr om tie rod sh aft. - I n st al l atio n is rev erse of remov al . M ake sure al l th rea d ed p arts are cl ea n . Use ant ise ize p aste on inn er tie rod t h rea d s. Use n ew self -l ocking n u ts, wh [...]

pur p os e. Pl ac e th e j ac k stands beneath a stru ctu ral chas sis point . Do not pl ac e jack stands under su spension p ar ts. - R emo v e out er tie rod en d self -l ocking n u t , an d separate out er tie rod end b all j oint as d escri b ed abov e. M ake a reference measurement of ou ter tie rod end t o tie rod. Record mea su reme n t . No[...]

Wh en rea ssembl in g , g rea se tie rod tap er so th at rack b oot su p p ort b u f fer or smal l end of rack b oot ( i nset ) sl id es on tie rod when t ie rod is t ig h t en ed, p rev en t ing rack b oo t f rom twisting . - I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : M ake sure al l th rea d ed p arts are cl ea n .[...]

320-5 W h eel A l i g n m en t Proper h an d l in g , stab ility, tire we ar an d d riv ing ea se d epen d u p on th e correct alig n ment of al l f our wheels. Th e fron t ax l e is alig n ed in relation to t h e rear ax l e, t h en t h e f ront wheels are al ign ed in relation t o one anot h er. T h is is kn ow n as a fou r-wheel or th r u st- ax[...]

WA RN I NG! Wh il e p er for ming alignme nt pro cedu res , ma ke su re th e c ar i s sta b l e and well su p por ted at all times . Use a p ro fess i ona l au tom otive li ft or j ac k sta n d s desig ned fo r the pur p os e. A fl o or jack is no t adequ ate su pp or t. Norm al l oaded p ositi o n Each f ront seat 68 Kg (15 0 l b ) Re ar sea t (ce[...]

Par ame ter Standard suspension All w heel dri ve suspension Spo rt suspension R o ug h road suspension Ca mb er (d ifference b etwe en l eft/ rig h t max . 15') max imu m all owabl e d ev iatio n b etwee n sides -1° 30 ' ± 15' -1° 15 ' ± 15' -2° 04' ± 15 ' -4 6' ± 15 ' Geome t rica l ax i s d ev [...]

No te: Steering rack can be ce ntere d by ali gni ng cen t ering mar k on steeri ng sha f t w i t h l ug on steeri ng rack. To keep st ee ri ng w he el cente red , ad just both ti e rod s eq ual amo unts. Make sure the r ub ber bo ot on the rack move s f ree l y on the ti e rod an d do es not beco me tw i st ed . Ti gh tenin g torqu e T ie rod l oc[...]

- I n st al l B M W sp ecia l t ool 32 3 03 0 ov er alig n ment l u g ( A ) an d adj ace n t b ol t. Use t oo l t o ad j u st p osi t ion of b racke t. Re mov e t oo l an d t igh t en t rai l in g arm b racke t moun tin g b ol ts. Ti gh tenin g torqu e R ear t railin g arm b racke t to b ody 77 Nm (57 ft -l b ) Co pyrigh t © 2006 Robert Ben tley, [...]

330-1 Gen era l T h is r epair g roup cov ers remo v al an d repl aceme n t of E46 rea r su sp ension compon ent s. A g eneral d escription of th e rea r su sp en sio n , ride h ei g h t sp ecifica tions and a tr oub l esh ooting g u ide can b e foun d in 300 Susp ension, Steeri n g and Brake s-G eneral . A d d itional compon ent rep l aceme n t in[...]

Dri ve ax l e p ress BM W set 33 2 11 5/116 / 11 9 Fl an g e p u l l er BM W set 33 2 11 6/ 4 20 1/4 202 / 4 20 3 I n n er b eari n g race p u l l er BM W set 33 4 40 0 Wh eel b eari n g ex t ractor B90 (Sou rce: Baum Too l s Un l imi t ed) Rear su s pe ns i on description BM W u ses an in d ep end ent rea r su sp en sio n con sisting of an u p p e[...]

su sp en sio n . T h e rea r su b frame (fin al d riv e carri er) su p p orts t h e rea r d iff erential an d p rov id es mou n tin g p oint s for t h e u p p er and l owe r con trol arms. The u p p er contr ol arm on each side p r ov id e th e l ow er sp ring p erch for t h e coil sp rin g . T h e u p p er an d l ow er con trol arm on ea ch sid e [...]

330-2 Rea r Sh ock A bs orbers a n d Spri n gs Re p l ace sh ock absorb ers and sp ring s in p ai rs on l y. Rear sh ock a bs orbe r, re m ov i ng and inst al ling - Ra ise car and remov e rear wheels. WA RN I NG! Mak e su re that the car i s firmly su pp or ted on jack stands d es igned fo r th e p u rpose . Pl ac e the j ac k sta n ds beneath a s[...]

compartmen t t o acce ss u p p er sh ock absorb er moun t. - On Sp ort Wag on mod els: Working in cargo comp artmen t, remov e side tr im n ex t to r ea r seat b ackre sts. - Su p p ort sh ock absorb er f rom b elow whil e remov in g u p p er moun t ing n u t s. Lo wer sh ock absorb er out of wh ee l h ousin g . T ran sf er sh ock t op m oun t in g[...]

M ake su re rectan g u l ar th r u st wa sh er on l ow er moun tin g b ol t is b etwe en b ol t h ead and sh ock absorb er ru b b er. T ig h t en l owe r sh ock ab sorber b olt to its f in al t orqu e once car is on g roun d . Ti gh teni n g torqu es Ro ad wheel t o h u b 100 ± 10 Nm (74 ± 7 f t -l b ) Sh ock absorb er t o trailin g arm (car in n[...]

su b f rame . Re mov e rea r b rake l in e b racket moun t ing b olt ( ar row ). Detach b racket from t rai l in g arm. CA UTI ON! A vo id dama ging the b rak e h o se by str etchin g wh en th e trailin g a rm is lower ed. Su p p ort tr ai l ing arm f rom b elow u sin g an ad j u stab l e j ackst and . Re mov e sh ock absorb er l owe r mou n tin g [...]

- T o in st all sp rin g : Co at top sp rin g p ad with anti-f rictio n p aste (e.g . , tire moun t ing p aste). Sl ow l y l ift su sp ension b ack int o p osi t ion, makin g su r e coi l sp ring is corre ct l y sea t ed in u p p er and l ow er sp ring seats. Wh en su sp en sio n h as b een l ifted su ff icie n tl y, rea tt ach sh ock absorb er to [...]

Ti gh teni n g torqu es p ositio n ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Rear s u sp en s io n h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 6 of 6 2/ 25/ 2009 10: 30 PM[...]

330-3 Rea r Su sp en s i on A rm s , Su bf ra m e a n d Bu s h i n g s T h e trailin g arms, con t rol arms and th eir moun tin g b u sh in g s cont rol t h e p osi t ion of t h e rear wheels. A damaged su sp en sio n arm or worn b u sh ing s will ch ang e th e rear wheel alig n ment an d may adv ersely affect h an d l in g and stabil ity. WA RN I [...]

4 - Upper control ar m o u ter b ol t se l f-l ocking M 12 nu t tig h t en t o 11 0 Nm (81 f t-l b ) 5 - Trailin g ar m 6 - Lo wer control ar m ecc entric bo lt ecc entric flat M 12 was her se l f lo cking M 12 nu t tig h t en t o 11 0 Nm (81 f t-l b ) 7 - Trailin g ar m front b ol t se l f-l ocking M 12 nu t tig h t en t o 11 0 Nm (81 f t-l b ) 8 [...]

13 - Lo wer control ar m i n ner M 12 bo lt l ock pl ate tig h t en t o 11 0 Nm (81 f t l b ) T ra il ing a rm , re m oving and inst a ll ing - R ai se r ea r en d of car and rem ov e wheel. WA RN I NG! Mak e s ur e th at the car i s firmly su pp or ted on j ac k stands d es igned for the p u rpo se. Place the jack sta n ds beneath a stru ctu ral c[...]

CA UTI ON! A v o i d d ama ging the b ra ke hos e b y str etchin g wh en th e traili ng ar m i s lower ed. - R emo v e fu el tan k p rotectiv e p an el, if eq u ip p ed. Re mov e A BS p u l se sensor f rom tr ai l ing arm. - U n cl ip p u l se sen sor and p ad sensor (if ap p l icabl e) h arn esse s fr om cont rol arm an d l ay asi d e. Su p p ort [...]

- U n b ol t u p p er and l ow er con trol arms from t railing arm. Note d irectio n of b olt insertion in b oth arms. T o remo v e trailin g arm: M ake re ference marks t o l ocate trailin g arm b racke t t o b ody in ord er to maint ai n alig n ment sp eci f icatio n s. Re mov e t rai l ing arm f ron t b racke t moun t in g b ol ts ( ar rows ). W[...]

I n st all n ew rea r wh ee l b ea rin g s. I n sert con t rol arm moun tin g b ol ts in d irectio n p rev io u sl y marked. A l ways u se n ew se l f- l ocking n u t s. T r ansf er b rake syst em comp onen ts to n ew arm as d escribed in 340 Brake s . Ha v e car p rofessi onal l y alig n ed when j ob is compl ete. No te: BMW -supp l i ed replaceme[...]

Ti gh tenin g torqu es n orma l l oa d ed p osi t ion) T railin g arm b racket to b od y (M1 2 b ol t ) 77 Nm (57 ft -l b ) T railin g arm to u p p er or l owe r contr ol arm (M 12 b olt ) 110 Nm (81 f t -l b ) Upp er c ont rol a rm , rem oving and inst al li ng - R emo v e d riv e ax l e as d escri b ed in 331 Rea r A x l e Fin al Driv e . WA RN I[...]

- I f n ece ssary, remov e rid e l ev el sensor f rom u p p er con t rol arm. - U n b ol t u p p er cont rol arm f rom b oth trailin g arm and rear su b f rame . No t e d irectio n of b ol t insert io n . No te: For cl eara nce reaso ns, i t m ay be ne cessary to unb ol t t he di f feren ti al f rom the sub f rame and push i t t ow ard the rea r of[...]

Ti gh tenin g torqu es R oad wh eel to h u b 10 0 ± 10 Nm (74 ± 7 f t -l b ) Sh ock absorb er to trailing arm car in n orma l l oa d ed p osi t ion 10 0 Nm (74 f t -l b ) U p p er con tr ol arm to rear su b frame M 12 b ol t 77 Nm (57 ft -l b ) U p p er con tr ol arm to tr ai l ing arm M 12 b olt 1 10 Nm (81 ft -l b ) Low e r c ontrol arm , re m [...]

- U se a soft h ammer to t ap cont rol arm out of its moun tin g p oints. - I n st al l atio n is rev erse of remov al . Wel d ed seam of con trol arm faces u p ward. T o inst all mou n t ing h ardware at su b f rame , insert l ock p l ate int o open ing in su b f rame f rom b el ow . Li n e u p ecce n tr ic b olt h ea d wi t h marks made p rev iou[...]

De t ach rear d riv eshaft f rom rea r d iff ere n tial. S ee 260 Driv esh aft . De t ach rear d riv e ax l es from rear d iff ere n tial. Remov e rea r d ifferent ial. See 331 Rea r A x l e Fin al Driv e . De t ach rear cont rol arms as d escribed ear l ier Re mov e rea r su b f rame mou n tin g fasten ers ( ar rows ) wh il e su p p ortin g su b f[...]

Ti gh tenin g torqu es M 10 comp ressi on n u t 64 Nm (47 f t -l b ) M 10 To rx b ol t 85 Nm (63 ft -l b ) Lo wer cont rol arm t o su b fr ame (M 12) 110 Nm (81 f t -l b ) Su b frame to b ody (M 12 ) 77 Nm (57 f t -l b ) U p p er con tr ol arm to su b frame (M 12 ) 77 Nm (57 f t -l b ) Re ar subframe as sem b l y 1 - Re ar subfram e (fin al drive c[...]

tig h t en t o 77 Nm (57 ft -l b ) 8 - M 8 bo lt 8.8 g rade t ig h ten to 21 Nm (15 ft -l b ) 10 . 9 g rad e t igh t en to 30 Nm (22 ft -l b ) 9 - M 14 bo l t tig h t en t o 17 4 Nm (12 8 ft- l b ) 10 - Bushin g 11 - M 14 se l f-l o ck i n g coll ar n u t 12 - Bushin g 13 - Stop w as her 14 - M 12 re d u ce d shaft bo l t tig h t en t o 77 Nm (57 f[...]

Su p p ort car secu rely b efore startin g wo rk u n d erneath r ea r su sp en sion. WA RN I NG! Mak e s ur e th at the car i s firmly su pp or ted on j ac k stands d es igned for the p u rpo se. Place the jack sta n ds beneath a stru ctu ral chas sis point . Do not pl ac e jack stands under su spension p ar ts. Traili ng arm f ront bu shi ng - Be [...]

Ti gh tenin g torqu es b racke t T railin g arm b racke t to b ody 77 Nm (57 ft -l b ) Upper or l o wer control arm o u ter bu shi ng (i n t ra i l in g arm ) - U p p er con trol arm b u sh in g : Re mov e t rai l ing arm f rom car as d escribed ear l ier. Note d ire ct ion of b ol t insertion. - L owe r con t rol arm b u sh ing : De tach l ow er c[...]

Ti gh tenin g torqu es M 24 2 50 Nm (18 4 f t-l b ) M 27 3 00 Nm (22 1 f t-l b ) D riv e ax l e to f inal d riv e fl an g e M 10 x 20 mm To rx b olt 83 Nm (61 f t -l b ) M 10 x 46 mm b ol t (b l ack) 10 0 Nm (74 ft -l b ) M 10 x 46 mm b ol t (silv er) (al wa ys repl ace) 80 Nm (59 f t -l b ) Lo wer cont rol arm to tr ai l ing arm M 12 ecce n t ric [...]

Be su re th at l on g er coll ar of b u sh in g ( A ) is on same side as b ev el in con trol arm. Ou ter b u sh in g h ou sin g mu st b e fl u sh wi th con trol arm b ore wh en fu l l y p ressed in . Ha v e car p rofessi onal l y alig n ed when j ob is compl ete. Ti gh tenin g torqu e D riv e ax l e coll ar n u t t o d riv e fl an g e M 24 2 50 Nm [...]

Re ar subframe bu shi ng - R emo v e su b f rame a s d escribed ea r l ie r. - I n case of d amage to su b f rame moun t in g stu d t h reads, rep l ace stu d . - I n case of d amage to su b f rame moun t in g stu d t h reads in b od y, repair u sing Helicoi l t h read insert M 12 x 1.5 x 18. - Pre ss ol d b u sh in g out and in st all n ew b u sh [...]

Ti gh tenin g torqu e M 10 x 20 mm To rx b olt 83 Nm (61 f t -l b ) M 10 x 46 mm b ol t (b l ack) 10 0 Nm (74 ft -l b ) M 10 x 46 mm b ol t (silv er) (al wa ys repl ace) 80 Nm (59 f t -l b ) R oad wh eel to h u b 10 0 ± 10 Nm (74 ± 7 f t -l b ) Sh ock absorb er to trailing arm (car in n orma l l oa d ed p osi t ion) 10 0 Nm (74 f t-l b ) Su b fra[...]

330-4 Rea r Sta bi l i zer Ba r T h e rea r st abil ize r b ar is moun t ed t o th e rear su b f rame a n d attach ed v ia stabil izer b ar l in ks t o t h e rea r u p p er contr ol arms. 1 - Stab ilizer b ar 2 - Self -l ocking n u t M 8 3 - Rub b er moun t in g 4 - Clampin g su p p ort 5 - Bolt M 8 6 - Bolt M 7 - Stab ilizer l in k su p p ort b ra[...]

330-5 Rea r W h e el Bea r i n gs T h e rea r wh ee l b ea r i n g is a u n itized asse mb l y an d is n ot rep ai rab l e separate l y. Sp eci al p ress tool s, to b e u sed with t h e trailing arm attach ed t o th e car , are requ ired t o repl ace a wheel b eari n g . Re ad t h e p roce d u re t h roug h b efore b egin n in g th e j ob. Rear w h[...]

Re mov e d riv e fl an g e f rom b eari n g asse mb l y u sing imp act st yl e p u l l er (BM W sp ecia l too l s 33 2 11 6, 33 4 20 1/202 / 20 3 or equ iv al en t). CA UTI ON! Th e wh eel b ea rin g is d es t ro ye d wh en t he d rive fl ange is rem o ved. Do not atte mpt to re us e bear i ng. No te: Use BMW spe ci al t oo l set 33 4 40 0 or eq ui[...]

M ake su re al l matin g su r faces are cl ea n - I n stal l n ew bearing asse mb l y u sing p ress too l s (BM W sp eci al tools 33 3 261 / 26 4/ 26 5 or equ iv alen t . - I n stal l n ew cir cl ip. CA UTI ON! A p pl y for ce o nl y to o ute r ra ce wh en i n sta ll in g bear i ng. Mak e su re that the b ea ring is pres sed i n far eno ug h to co [...]

- Re in stal l d riv e ax l e. Ti gh teni n g torqu es Brake rotor t o d riv e fl an g e (M 8) 1 6 Nm (12 f t-l b ) Brake cal iper t o trailin g arm (M 12) 67 Nm (50 f t -l b ) Dri ve ax l e coll ar n u t to d riv e f l ang e M 24 25 0 Nm (184 f t-l b ) M 27 30 0 Nm (221 f t-l b ) Dri ve ax l e to f in al d riv e f l ang e M 10x 20 mm To rx b ol t [...]

331-1 Gen era l T h is r epair g roup cov er remo v al an d repair information for t h e rea r d riv e ax l e sh afts, CV j oint s an d CV j oi n t b oots. A l so cov ere d is rear d ifferent ial (fin al d riv e ) remo v al p rocedu res an d seal repl aceme n t inf ormatio n . I n tern al repairs of t h e diff erent ial asse mb l y are n ot cov er [...]

Ou t p u t f l ang e sea l d rift BM W 33 3 40 0 I n p u t f l an g e seal d rift BM W 33 3 430 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Rear Ax l e Fi n al Dri ve h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 2 of 2 2/ 25/ 2009 10: 32 PM[...]

331-2 Dri v e A xl es T h e d riv e ax l es u se const an t-v el ocity (CV ) j oint s on b oth end s. Tw o d iff ere n t styl es of CV j oin ts h av e b ee n su p p l ie d wi t h E46 v eh icles. Refer to t h e acco mp anyin g ill u str atio n : Ball cage CV j oint . Tra d itio n al d esi g n CV j oint wi th t h ick metal h ousin g (app r ox . 40 mm[...]

- Ra ise rea r of car. Remo v e rea r wheel. WA RN I NG! Mak e su re that the car i s firmly su pp or ted on jack stands d es igned fo r th e p u rpose . Pl ac e the j ac k sta n ds beneath a stru ctu ra l chass i s point. Do n ot pl ac e jac k sta n d s u n d er su spension p ar ts. - De t ach rear stabil izer b ar anch or b olt s from rear su b f[...]

I n stal l roa d whee l and l ower car t o g roun d . With an assistant ap p l ying b rakes, tig h t en d riv e ax l e coll ar n u t t o its fin al t orqu e. Stake a n d cau l k coll ar n u t. Ti gh teni n g torqu es Dri ve ax l e coll ar n u t to d riv e f l ang e M 24 25 0 Nm (184 f t-l b ) M 27 30 0 Nm (221 f t-l b ) Dri ve ax l e to d ifferent [...]

CV joint boot s No te: W hen rep l aci ng a CV joint bo ot, use a comp l ete CV jo i nt boo t rep ai r ki t . The ki t w i l l i ncl ude a ne w boo t , cl amping ban ds, special l ubri can t , an d a new i nne r CV jo i nt ci r cl i p. The ki t i s avail able f rom an autho ri ze d BMW dea l er parts dep artment. The ou t er CV joint cann ot be rem[...]

inn er h u b t o ax l e sh aft. Su p p ort in n er h u b at ar rows when p ressing ax l e sh aft out of j oi n t . - C l ea n all ol d l u b ricant of f sh aft sp l in es and in n er j oint 's sp l ines. CA UTI ON! I f th e CV j o i n t mu st be d isas se mbl ed fo r clea n i ng and in spectio n , b e su re to ma tchma rk in ner and ou ter rac[...]

side of h u b is f aci n g sh aft . WA RN I NG! Do n ot let th e loc ki ng co mpou nd co ntact the b alls in the j o in t. A p pl y o n l y a th in co at to co ver th e spli n es . - Wh il e su p p ortin g ax l e sh aft , p ress inn er h u b of CV j oi n t on t o shaf t. I n st all n ew circlip . No te: Do not l et t he ba l l hub pivot more than 2[...]

[...]

331-3 Rea r Di f f eren ti a l A l l rea r d ifferent ia l work req u ire s some meth od of rai sin g th e car and su p p ortin g it secu rely wh ile t h e work is p erforme d . Jack st and s and a fl oor j ack can easily b e u sed , b u t u se ex treme caution wh en worki n g b eneath th e car. See 010 G eneral . No te: Re moval of rear subfra m e[...]

The dif feren t i al fl uid l evel i s corre ct w hen t he f l ui d be gins to spil l f rom the fi l l pl ug. - I n stal l and t igh ten f il l p l u g . Differ ential oi l Di ff ere n tial oil capacity Re ar whee l d riv e 0.9 l iter (0.95 US q t. ) A l l wh ee l d riv e 1.0 l iter (1.06 US q t. ) Oil sp ecifica t io n BM W SA F -X O syn th et ic [...]

Re mov e h eat sh ield b etwe en rei n f orceme n t b race and ex h aust p ipe. Re mov e b ol ts ( A ) mou n tin g b race to u n d erca rria g e. Re mov e n u t s ( B ) moun t in g b race and f ront of rea r su b f rame t o u n d ercarri ag e. Lo wer and remov e reinf orce ment . No te: I f ne cessary, t i l t rear half of exha ust system dow n. Su[...]

d ifferent ia l moun tin g b olt s: I n stal l b ol ts f ing er t ig h t . T ig h t en f ront b olt s ( B ). T ig h t en rear b olt ( A ). Ti gh teni n g torqu es Di ff ere n tial d rain or fil l p l u g 70 Nm (52 f t -l b ) Di ff ere n tial t o rea r su b frame Fron t mou n t (M 12 b ol ts) 95 Nm (70 f t -l b ) Re ar moun t ( M 14 b ol t) 17 4 Nm [...]

Differ ential oi l Di ff ere n tial oil capacity Re ar whee l d riv e 0.9 l iter (0.95 US q t) A l l wh ee l d riv e 1.0 l iter (1.06 US q t. ) Oil sp ecifica t io n BM W SA F -X O syn th et ic oi l Diff e re ntial m oun ting bus hings - I f rea r d iff ere n t ia l mou n t in g b u sh in g are wo rn , d ama g ed or oi l soa ked : Re mov e d iff er[...]

331-4 Rea r Di f f eren ti a l Oi l Sea l s Lo w oil l ev el caused b y fau l t y oil seals may b e th e cause of n oisy diff erential operatio n . T h e d riv e fl ang e (sid e) and inp u t sh aft (f ront ) oi l seals can b e repl aced wh ile t h e d iff erential is inst all ed . No te: Do no t mi st ake l ea ki ng CV joints for fl ang e sea l l e[...]

Su spend the d eta ched d rive axle fro m the car b ody w i th a stiff wi re hoo k to p re ve nt dama g e to the o ute r CV joint. Pry out p u t f l ang e from d iff erent ial. F or l ev er age, u se a woo d en d owe l as sh ow n . No te: Be pre pare d to catch drippi ng oil i n a pa n. I nspe ct fl an ge at t he po i nt w he re the oil sea l r i d[...]

Ti gh teni n g torqu e Dri ve ax l e to d ifferent ial f l an g e M 10x 20 mm To rx b ol t 83 Nm (61 f t -l b ) M 10x 46 mm b ol t (b l ack) 10 0 Nm (74 ft -l b ) M 10x 46 mm b ol t (silv er) ( always repl ace) 80 Nm (59 f t -l b ) Input drive flange oil s ea l , repla c ing - Ra ise car and su p p ort safel y. Re mov e rea r su sp ension reinforce[...]

side. M ake match in g marks on d iff erential inp u t sh aft , coll ar n u t and d riv esh aft fl an g e. - Pry l ock p l ate fr om n u t. Co u n t erhol d in p u t fl ang e wi t h BM W sp ecia l t ool 23 0 02 0 or equ iv alen t an d remo v e col l ar n u t . - I f n ecessa ry, u se p u l l er to remov e inp u t fl ang e. No te: Be pre pare d to c[...]

Differ ential oi l Di ff ere n tial oil capacity Re ar whee l d riv e 0.9 l iter (0.95 US q t) A l l wh ee l d riv e 1.0 l iter (1.06 US q t. ) Oil sp ecifica t io n BM W SA F -X O syn th et ic oi l - Re maind er of assembl y is rev erse of d isasse mbl y. Ti gh teni n g torqu es Dri ve sh aft t o d iff erential f l an g e M 10 co mp ressio n n u t[...]

340-1 Gen era l T h is r epair g roup cov ers b rake se rv ice: Brake p ad s, cal ipers, and d isks M aster cyl ind er, b rake b ooster, and p arking b rake A BS/A S C and A BS/ DSC compon ent rep l aceme n t A BS/A S C and A BS/ DSC syst em d escri p tions are co v ered in 300 Su sp en sio n , Steering an d Brakes- General . Spec ia l tools BM W r[...]

Brake p ad l inin g g au g e BM W 34 1 26 0 V acuu m t ester BM W 34 3 10 0 Factory d iagn ost ic tool DI Sp l u s or M oD iC E4 6 brak e sys tem BM W E46 mo d el s are equ i p p ed wi t h v acuu m p owe r -assi st ed f ou r-wheel d isc b rake s with an int eg ral Antil ock Brake System (A BS). S ing l e-piston calip ers act on v ented fr ont an d [...]

conj u n ction with en g in e manag eme n t contr ols to cont rol wh ee l sp in an d mai n t ain v ehicl e st abil ity whil e b raking . A d d ed midway th rou g h t h e 199 9 mod el yea r was Dynami c St ab ility Contr ol (DSC ). T h is system u ses A SC techn ol ogy, b u t imp l ements wh ee l sp ee d mod u l ation t h roug h out al l stages of d[...]

Y ea r (m o del) Sys tem (ma n u fac t urer ) Id enti fiers DSC 2 00 1 (rea r wheel d r i v e) Dynamic Stab ility Co n t rol (T ev es M K 60 DSC ) Co n t rol modu l e/h yd rau l ic u n it moun t ed u n d er master cyl ind er. No p rech arge p u mp DSC 2 00 1 (all wh ee l d r iv e) Dynamic Stab ility Co n t rol (Bosch DSC II I 5.7) Co n t rol modu l[...]

cyl ind er is l eaki n g in t ernal l y, or f l u id is l ea kin g ex tern all y. Ch eck all b rake f l u id l ines and coup l in g s f or l eaks, ki n ks, ch afing an d corro sion . I f n o l eaks can b e fou n d , th e maste r cyl ind er is fau l t y an d sh oul d b e repl ace d . Check b rake b oo st er: Re mov e v acu u m h ose ( A ) f rom b ra[...]

Oil -cont aminated or g l aze d p ads wi l l cause st op p ing d istan ces t o increase . I n sp ect t h e rotors for g l azi n g , d isco l oratio n and scori n g . St ee r ing wheel v ib ratio n wh il e b raki n g at sp ee d is often cau sed b y warped rotors, b u t can also b e cau sed b y worn su sp en sio n compon ent s. Wh en trou b l esh oot[...]

water , as b ra ke fluid w i ll remo ve pain t. A lways u se new brak e fluid fro m a fre sh, unopened co n tain er . B r ak e fluid wi l l abso rb mo i stu re fro m th e air. T hi s ca n l ea d to co rro sio n p ro bl em s in th e b ra ki ng sy stem, and wi l l also lower the brak e fl uid's boil in g point. Dispo se o f b rak e fl u id pro p[...]

Sym p to m Probabl e caus e Re p airs Lo w p edal aft er system b l ee d ing M aster cyl in d er f aul t y Re p l ace ma ster cyl ind er. Pedal sp ong y or b rake s work onl y when p edal is p u mp ed A ir in b rake f l u id Bl ee d syst em u sin g f actory or comp atibl e d ia g n ostic tool M aster cyl in d er or electron ic cont rol system f au [...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Brak e s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /3... 9 of 9 2/ 25/ 2009 10: 33 PM[...]

340-2 Bl eedi n g bra kes Brake b l ee d in g is u su all y d on e for on e of two rea sons: Eith er t o repl ace old b rake f l u id as p art of rou tin e mai n t en an ce or to ex p el t rapp ed ai r in th e syst em t h at r esul t ed f rom open ing th e b rake h yd r aul ic syst em d u ring repairs. A l wa ys u se n ew b rake f l u id from an u [...]

conn ect BM W Dia g n osi s and I n formatio n Syst em (DI S) to 20 p in Da t a Li n k Co n n ector (DLC ) u n d er h oo d (199 9 model s), or 16 pin DL C/O BD II con n ector u n d er d ash (20 00- 20 01 model s). Call u p serv ice fu n ction Bl eedin g A BS/A S C or serv ice fu n ction Bl ee d ing A BS /DSC, d ep en d ing on which syst em th e v e[...]

- Proce ed wi t h rema inin g wheels in order as l isted earlier. Ti gh teni n g torqu es Bl ee d er screws (wr ench size): 7 mm screw 3 .5 - 5 Nm (2.5 - 3.7 f t -l b ) 11 mm screw 12 - 16 Nm (9 - 12 ft -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Brak e s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/[...]

340-3 Bra ke Pa ds , Ca l i pers , a n d Rotors Brake p ad s can b e repl aced with out d isco n n ecting th e b rake f l u id h ose f rom th e cal ip er or h av i n g to b l ee d th e b rake s. T h e rotors can b e rep l aced wi t h ou t d isasse m b l in g wheel h u b an d b ea r ing . A l ways machin e or repl ace rotors in p air s. Re p l ace p[...]

T orq u e t o 30 Nm (22 f t-l b ) 2 - Br ake calip er Brake l in e: t orq u e t o 18 Nm (13 ft -l b ) See Calip er remo v al 3 - Br ake p ad w ear se n sor See Brake p ad we ar sensor 4 - Br ake p ad anti-rattle clip See Brake p ad ant i-ra t t l e cl ip 5 - Br ake p ads Re p l aceme n t wa rn ing at 3.0 mm (0.11 in. ) See Brake p ads 6 - Fron t b [...]

and f ree f rom g rea se See F ront b rake rotor 8 - Re ar brak e rot or re tain i ng scre w T orq u e t o 16 Nm (12 f t-l b ) 9 - Re ar brak e rot or M ake sure con tact su rf ace s are cl ea n and f ree f rom g rea se. Parki n g b rake d r u m d ia . 16 0 mm ( 6.3 in. ) See Rea r b rake rotor For b rake rotor sp eci f icatio n s see Ta b l e c an[...]

M ake sure con tact su rf ace s are cl ea n and f ree f rom g rea se See Brake p ad carri er 13 - Br ake p ad ca rrier reta i n in g bo lts Fron t : torq u e t o 11 0 Nm (81 f t -l b ) Re ar: t orqu e to 65 Nm (48 f t -l b ) Oil b olt s l igh tl y. M ake sure con tact su rf ace s are cl ea n and f ree f rom g rea se. Cali per r em oval Re mov e p l[...]

calip er p iston will h av e t o b e p resse d b ack int o cal iper b ef ore calip er can b e remov ed . CA UTI ON! Pre ssing ca l i per pi sto n in ma y c au se brak e fl uid res er vo i r to o ver fl o w . To prev ent th i s, u se a clean syr i n g e to first re mo ve so me fluid fro m res erv oir. Op en calip er b l ee d er screw onl y when ap p[...]

B r a ke pa d w e ar sens or Ca ref u l l y p ry p ad wea r sensor from b rake p ad. I n sert b rake p ad wear sen sor int o cu t out in n ew p ad where app l ica b l e. I f b rake l inin g in d ica tor l ig h t ill u minated p rio r t o b rake p ad repl acement, repl ace we ar sensor. Ro u t e p ad we ar sensor wiri n g th roug h cal ip er o p en [...]

B r a ke pa d li ning t hic kne ss T o mea su re b rake p ad l in ing t h ickness: - I n sert BM W sp ecial tool 34 1 260 at ei t h er f ront righ t wh ee l or l eft rea r wheel - M o v e wh ee l u n til n otch for b rake we ar ind icator can b e seen t h roug h wheel open in g . - I n sert tip of t ool int o n otch so th at th e b ody of t ool res[...]

Tabl e c. Bra ke roto r re con d iti o nin g spe cificatio ns Fron t Re ar V ent ed rotor w ear l imit (min. th ickn ess) 20 . 4 mm (0.8 0 in. ) 17 .4 mm (0.68 in .) M ax . machin e l imi t p er friction ring si d e 0.8 mm (0.0 3 in. ) 0.8 mm (0.03 in .) WA RN I NG! Co n firm ro to r wear l imit spec ifi ca tions g i ven i n T abl e c wi th specifi[...]

b efore in st all in g . Wh en inst all in g n ew rea r b rake rotors, t h e p arking b r ake sh ou l d b e adj u sted . See P arki n g b rake . Ti gh tenin g torqu e Brake rotor t o h u b moun t ing screw 16 Nm (12 f t-l b ) B r a ke pa d c arri e r re m ov a l Re mov e b rake p ad carrie r moun t i n g b ol ts ( ar rows ) an d remo v e p ad carri[...]

340-4 M a s ter cyl i n der T h e b rake master cyl in d er is mou n t ed to th e fr ont of t h e v acu u m b ooste r on th e d riv er si d e b u l kh ea d . CA UTI ON! A l l U.S. ma rke t E46 ve h icles are equ i pp ed w ith A n til o ck B rak i ng Sys tem (A B S) and either A u tom atic Stabil ity Co ntro l (A SC ) o r Dynam i c Stabil ity Co ntr[...]

Re mov e sid e trim p an el f rom l eft rear of eng in e compart ment : Re mov e ru b b er strip f rom t op of trim p an el at b rake b oo st er. De t ach v acu u m l in e ( A ) from b rake b ooster Y-conn ect or, u n h ook from t rim p an el and p u sh to side. Unh ook p l astic v acu u m l in e and p osi t iv e starter cab l e ( B ) f rom t rim p[...]

p recharg e p u mp su p p l y h ose. Pl u g h ose and reser v oir t o p rev ent fl u id l eaka g e or cont ami n atio n . - Re mov e b rake fl u id rese rv oi r. - Working at m aster cyl in d er: Di scon n ect b rake fl u id l in es and electrical h arn ess conn ectors f rom master cyl ind er as n ee d ed. On v eh icl es equ ip p ed with Tev es DSC[...]

pus h ro d and b o os t er p u shrod. Us e car e n ot to ov er-to rqu e ma ster cylin der mo u nti n g n u ts. Th is co u l d d ama ge brak e boo ste r and prev ent p ro p er va cu u m b u i ld -u p. - Co n n ect b r ake f l u id l ines t o master cyl ind er. Ti gh teni n g torqu e Brake f l u id l ines t o master cyl in d er 1 8 Nm (13 f t-l b ) N[...]

340-5 Bra ke boos te r T h e b rake b ooster is moun ted t o t h e b u l kh ea d on d riv er ' s sid e of en g in e compartmen t, d ire ctl y b eh in d b rake master cyl ind er. A is v acuu m h ose from in take man ifold . B is one-wa y v al v e. In take manifol d v acuu m acts on a l arg e d iaph rag m in b rake b ooster to red u ce b rake p [...]

co nn ectio n s b efo re di sc o n n ec t in g. - Di scon n ect n eg ativ e (-) cab l e from b attery. CA UTI ON! Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at fro n t of thi s ma nua l o n pag e viii . - Usi n g a cl ea n syrin g e, emp ty b rake f l u id rese rvo ir. WA RN I NG! B rak e fl[...]

Di scon n ect electr i cal h arn ess conn ectors at l eft f oo twell t rim p an el and remov e p an el : Unp l u g conn ector at f oo twell int eri or l igh t ( A ), if eq u ip p ed . Sl ide l ock at O BD II conn ector ( B ) in d irectio n of ar row . Unp l u g conn ector at sp eake r ( C ). Re mov e cl ip ( A ) an d sl id e b rake b oo st er p u s[...]

moun t ing n u t s. Re p l ace sealin g O-rin g b etwee n master cyl ind er and b rake b oo st er. Bl ee d b rake syst em as d escri b ed ea rl ier. CA UTI ON! Do n ot o ver -to rque th e ma ste r cy l in d er mo untin g bolts. T hi s co uld dama ge th e brak e boo ste r and prev ent p ro per va cuu m build -u p . Ti gh teni n g torqu es Brake mast[...]

340-6 Pa rki ng bra ke T h e p arki n g b rake is a b rake d r u m system in teg rated in to t h e rear b rake rotors. T h e p arki n g b rake can b e adj u st ed wi t h th e wheels in stal l ed , alt h oug h t h e rea r wheels will h av e to b e rai sed off th e g roun d . A d j u st in g th e p arki n g b rake b eco mes n ece ssary u n d er t h e[...]

Do n ot pl ac e jack sta nd s under su spensio n parts. - Re mov e one l u g b ol t from each rea r wheel. T u rn roa d wh eel u n t il l u g b ol t h ol e l ines u p wi th p arking b rake adj u st er (app rox imatel y 65° to rear of wh ee l centerl in e). Use f l at-b l ad ed screwdriv er to t u rn adj u ster. O n l ef t wheel, tu r n ad j u ster[...]

b rake warnin g l igh t stays l it. If p arki n g b rake l ig h t g oes o u t , contact switch m u st b e ad j u st ed. - I n stal l p arki n g b rake l ev er b oot. I n stal l roa d whee l l u g b olt s. Ti gh teni n g torqu e Ro ad wheel t o h u b 10 0 ± 10 Nm (74 ± 7 f t -l b ) P a rk ing bra ke sho es, re m ov i ng and inst al ling - Ra ise r[...]

th in coa t of g rease t o sl id ing p arts and p in s. - I n stal l ation is r ev er se of remov a l . Be su re to ad j u st p arki n g b rake cabl es as d escribed ea rl ie r . P a rk ing bra ke c a ble, r epla c ing T h e p arki n g b rake is act u ated b y two separate Bowden cabl es b etwe en th e p arki n g b rake h and l e and t h e p arking[...]

- Re mov e compl ete ex hau st syst em as describ ed in 180 Ex h au st System . - Re mov e cent er t u n n el h eat sh ield . Pu l l p arking b rake cabl e ou t of b od y g u id e tu b e ( ar row s ) and d etach fr om rout ing b racke t s, n ot i n g corre ct rout in g for reinstal l atio n . Re mov e one l u g b ol t from rear wheel . T u r n wh e[...]

Pu l l cabl e out of b ack of b acking p l ate. - T o reinst all : Pu sh n ew ca b l e h ou sin g in to h ole in b ack of b acking p l ate. Pu sh f ree (p arki n g b rake h and l e) end of cab l e in to h ou si n g u n til end of cab l e sn ap s au d ibl y in t o h old er insid e b rake dr u m. Re rou t e n ew cab l e u n d er car, att ach ing to b[...]

340-7 A BS Com p on en t Repl a ce m en t CA UTI ON! I f th e tires on th e ca r are of di ffer ent mak es, th e A SC sy stem ma y ov er-re ac t. O n ly fi t ti re s o f the sam e mak e and tre ad patter n . I n ad ve rse co n d iti ons, su ch as try i ng to r oc k th e ca r o ut o f d ee p sno w o r an o th er so ft su rf ace , or wh en snow cha i[...]

WA RN I NG! Mak e su re the car i s firmly su p por ted o n jack sta n ds d es i gned for th e pur p os e. Place th e jack stands beneath a stru ctu ra l chass i s point. Do n ot pl ac e jack sta nd s under su spensio n parts. Fron t sen sor: Un screw mou n t ing b olt at steering arm ( arr o w ). Re ar sen sor: Re mov e sensor from its b ore ( arr[...]

of M ol ykote® Long t erm 2 or an equ iv alen t g rea se to imp u l se sensor and h ousin g . - I n stal l ation is r ev er se of remov a l . Ti gh teni n g torqu e A BS wh eel sp eed sensor t o steering arm / t rai l ing arm 8 Nm (6 f t -l b ) A B S im pulse w he e l A BS imp u l se whee l repl aceme n t may b e n ee d ed in case of d ama g e or [...]

n ot rep l acea b l e separately. See 331 Re ar A x l e Final Driv e f or CV j oi n t an d d riv e a x l e rep l aceme n t p roce d u res. DSC later al a c ce le ra tion s e ns or, repla c ing Re ar wh ee l d riv e cars: The l atera l accleratio n sen sor is l ocate d on th e l eft side d riv er's footwe l l , u n d er t h e p anel trim on r e[...]

rotatio n al rate sensor is l oca t ed on t h e l eft sid e of t h e car, u n d er t h e d riv er's sea t . A l l wh ee l d r iv e cars: The rotational rate sensor is comb ined int o one u n it with th e l atera l acceleratio n sen sor. I t is moun t ed u n d er t h e d riv er's seat, in fron t of th e l ef t sea t rail. - Re mov e d riv [...]

Ti gh teni n g torqu es Sensor b r acke t t o b ody 8 Nm (6 ft -l b ) DSC s tee ring a ngle sens or V ehicl es equ ipp ed with DSC h av e a steeri n g an g l e sen sor ( arr o w ) mou n t ed to th e steering colu mn rig h t abov e th e p edal cl u ster. Repl ace men t of t h is compon ent req u ires sp ecia l tool s t o p roperl y alig n t h e stee[...]

rem oving and inst a lli ng CA UTI ON! E46 ca rs requ i re spe cial B MW se rvice equ i pment to pro p erly bl ee d the b ra ke s. Rem ov al of the h ydra ulic u n i t i s not rec om mended unless thi s equ i pment is ava i lab le. For safe ty re aso n s, th e brak e sy stem on car s wi th A B S mu st b e b led u sing th e pro cedu res d es cr ib e[...]

C - Ri g h t f ront D - Re ar f rom master cyl in d er E - Ri g h t rear F - Le f t rear Re mov e b rake fl u id in p u t an d outp u t l in es. Sea l op en b rake fl u id l in es and b ore s with su itabl e p l u g s t o p rev en t con t ami n atio n . - Ca refu l l y remo v e b rake lin es f rom any r etai n ers or g romme t s t h at may b e in t[...]

M ake su re b rake l i n es are securel y seated in g rommets b efore in st all in g b rake l ines in h yd raul ic u n it b ores. Bl ee d b rake s as d escribed earlier. Ti gh teni n g torqu es Brake l in es to h yd rau l ic u n it 18 Nm (13 f t-l b ) Brake master cyl ind er t o b rake b ooste r 2 6 Nm (19 ft -l b ) Hydrau l ic u n it t o b ody 8 N[...]

- Usi n g a cl ea n syrin g e, emp ty b rake f l u id rese rvo ir. WA RN I NG! B rak e fluid is h ighly co rr o sive and dange ro us to th e envir onme nt . Dispo se o f i t p ro p er ly. Re mov e in terio r v en til atio n microfilter h ousin g . Re mov e u p p er cov er an d micro f ilt er. Op en wi ring h arn ess l oo m ( A ) and remo v e wi res[...]

outp u t l in es f rom p u mp . Re mov e el ectrica l h arness conn ector. Li f t p u mp to rel ea se from l ow er moun t ing p ad. Sl ide p u mp ou t of retainin g r ing . - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Be su re to rep l ace ru b b er p u mp moun t s if d ama g ed or wo rn . Wh en inst all ing v acuu [...]

400-1 Gen era l T h is sect io n cov ers system d escri p tions and g en era l in f orma tion f or th e rep ai r g roup s f oun d in 4 Body and 5 Bod y Eq u ipm ent . E4 6 Se da n Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Body - Gen e ral h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man[...]

400-2 Body A s s em bl y T h e b od y st yl es of E46 cars cov ere d b y th is m anu al are t h e 4-door Sedan , 4-door Sport W ag on, 2-d oor Co u p e and 2-d oo r Co n v ertib l e. Body d ime n sions v ary sl igh tl y among model s. Dime n si ons are g iv e n in inch es. E4 6 Se da n E4 6 Sport W a gon Body - Gen e ral h tt p: // e bah n .ben t l[...]

E4 6 c onv e rtible E4 6 Coupe Body - Gen e ral h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /4... 2 of 8 2/ 25/ 2009 10: 37 PM[...]

B ody sh el l T h e BM W 3 Serie s ch assis is a u n ib ody d esi g n const ru ct ed of h igh st ren g th steel. A t t achin g p arts, su ch as th e fron t fen d ers, rea r q u arter p anel s, d oo rs, tru n k l id and h oo d are also con stru cted of st ee l . Co mp u ter ai d ed d esign (CA D) tech n iq u es h av e b ee n u sed in refin ing E46 b[...]

T h e E46 b ody sh el l was d esi g n ed so th at t h e v ib rations of t orsi on al t wisting and b en d in g are sep ara t ed in t o d iscre te compon ent s an d in th e in aud ib l e rang e. T h e cu rren t Sedan d esi g n ensu res th at th e b ody twists at 29 hert z an d b en d s at 26 h ertz. Ex terior and a e rodynam i cs With its t radition[...]

app rox imately 0.31 f or th e Sedan an d 0.32 f or th e Co u p e model s. Fen d ers. The ex t erio r p an els are corro sion- resi st an t zinc coate d (g alva n ized) steel . T h e fron t f en d ers are b ol ted on . F or f ront f end er repl aceme n t inf orma t ion, see 41 0 F end ers, En g ine Ho od . Bu mp ers. T h e f ront an d rear b u mp e[...]

refinement . I n t eri or materi al s and col ors, th e soft top an d t h e l ig h t -all oy wheels h av e b ee n care fu l l y m atch ed. A l t h ou g h t h e aut omatic Co n v ert i b l e roof is stan d ard , a h ard -top in b od y col or with h eate d rea r wi n d ow is av ailab l e as an opt ion f or t h e cold sea son . T h e Co n v ertib l e [...]

b ackre st wh en th e v ehicl e is in d ang er of t u rn i n g ov er. A Co n v ertibl e b ody n ormall y f l ex es and v ibrat es, tr ansf erri n g oscill ations to t h e p asseng er comp artment . In t h e E46 Co n ve rt ibl e, BM W u t il ize s a u n iq u e b attery tray in t h e t ru n k as a v ib ratio n d ampen in g syst em t o coun teract t h[...]

Spo rt Wago n capac i ti es C argo capacity: R ear seat b ackrest u p 43 5 l iters (15 . 4 cu . f t. ) R ear seat b ackrest fol d ed d own 13 45 l iters (47 .5 cu . ft .) Lo ad capacity: I n carg o compartmen t 5 40 Kg (11 91 l b . ) On roof 75 Kg (165 l b . ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Body - Gen e ral h[...]

400-3 Sa f ety a n d Secu r i ty Fea tu res A l arg e n u mb er of n ew or imp rov ed safety an d security featu res are incorp ora t ed in E46 cars. Sa fety c a ge T h e b od y safety cage is a con tin u ation of an estab l ish ed BM W con cept f or p asse n g er p rotection. Tub u l ar imp act stru ctu res b u il t int o th e b od y p rov id e p [...]

El ectrica l comp on ent s in th e l ocks are fu l l y en capsu l ated an d cann ot b e p icke d ea sil y. The n ew d oo r h and l es, l atch es and l ock asse m b l ies o f fer improv ed rel ia b ility an d secu rity ag ainst th eft . Do or p osi t ion an d l ock con d ition are d etected b y h all sensors. Roo f padding I n ad d ition to t h e si[...]

A i rba gs A s man y as 8 ai rb ags are in st all ed in E46 cars, d ep end in g on mod el. T h e fron t air b ag s op erate wi t h ou t sodium azide p rop el l ant , widel y considered an irritant when an ai rb ag is d epl oye d . Starting wi th 200 0 mod els, " smart" fron t p asseng er an d d riv er ai rb ags we re in st all ed . These [...]

A l w ay s d i sc onn ec t the batter y and co ver the n eg ative (-) batter y term in al w i th an in su l ato r befo re sta rtin g di ag nost ic, tro ublesho otin g or se rvice w o rk on ca rs fi tted wi th SRS, and b efo re doing any weld in g o n the car . B a ttery safety term i nal (B S T ) A p yrotechn ic ( ex p l osi v e ch arge) d ev ice a[...]

system. A n t i-th eft al arm (DWA ). This is a d ea l er-i n st all ed op t io n for wh ich t h e E46 v eh icles are factory-wi r ed. W h en arme d , t h e system mon itors d oor l ock contact s an d tru n k an d en g ine h oo d l ocks and sou n d s a sire n if it d etects tamp eri n g . T il t sen sor. Lo cated in th e righ t side of th e t ru n [...]

400-4 I n teri or Fea tu res E46 int erio rs h av e a u n iq u e ch aracter, wi t h a combin ation of sp orty f ea t u res and in n ov at iv e d esi g n . A l l b ody v ersi ons wer e made in a wide ch oi ce of int eri or an d ex terio r colors. New col ors wi t h match in g l ea th er or l ea t h ere t t e u p h ol stery we re in t rodu ced for ea[...]

adj u stab l e f ront sea t s, an d electricall y adj u stab l e an d h ea t ed rear-v iew mirro rs. In side t h e car t h ere a re rea d ing l igh t s at f ou r seating p ositio n s. T h e sea t s h av e a p assi v e int ernal v ent ilation syst em: Cyl in d rical cav ities wi t h in t h e cu sh io n s an d b ackrests g enerate a p u mp in g eff e[...]

For secur ity reaso n s, t h e rel ea se l ev er t o f old t h e rea r sea t b ackre st forwa rd is in st all ed in th e tru n k. I n Sp ort W agon mod el s: Re ar sea t b acks are sp l it 60/40 wi t h t h e center arm rest on th e l ef t sea t b ack. The cen ter arm rest incorp ora t es a n on ad j u stab l e h ea d rest. W h en f old ed d own, t [...]

d ispl ays. Serv ice I n terv al Displ ay cal cu l ates v ehicl e serv ice n eeds, b ased on cu rrent d riv ing p att erns, and in d icate s to th e d riv er when th e car requ ires serv ice. I n teg rated on -b oar d n av igatio n system, b ase d on Gl obal Po sitio n ing Syst em (GPS) tech n ol ogy, is opt ionall y av ailab l e on E46 cars. W h e[...]

Wash ers . Ce n t ral l ocki n g wi t h p owe r t ru n k release . S ee 515 Centr al Lo ckin g and A n ti-th ef t . Keyless ent ry (F ZV ) Pow er wind ow cont rol . See 51 2 Do or W ind ows . Ca r/ key memory I n terio r l ig h t ing A l arm system (DWA ) El ectronic con su mer sl eep mode. See 600 El ectrical Syst em– General . Ot h er fu n ct i[...]

No te: Al l 19 99 mod els an d cars pro duce d t hrou gh Jun e 200 0 are eq uippe d w i th t he DLC socke t i n the rea r ri ght corne r of t he en gi ne comp artment. I n cars prod uce d aft er Jun e 20 00, the DL C socket i n t he e ngine comp artment has be en discontinued . Al l scan t oo l code s can now be acce ssed throu gh the OBD II i nter[...]

Sport Wa gon interior fea tures Chil d seats. There are t h ree chil d seat h old d own an ch ors b eh ind t h e rear sea t b ack rest. Pl astic t rim cov ers are u sed t o h ide t h e an ch ors. Ca rg o are a. T h ere is a sp ring -l oaded b l ind and a carg o safety n et inst al l ed b ehin d t h e rea r seat. Storage. There are ex tra st ora g e[...]

410-1 Gen era l T h is r epair g roup cov ers repl ace m ent of th e fr ont f en d ers an d remov a l an d inst all at io n of t h e eng in e h ood. No te: The bo dy i s painted at the factory aft er asse mbl y. Rea l i gn m en t of bod y pan el s may exp ose un pa i nted metal. Paint all exp osed metal once t he w ork i s comp l et e. Spec ia l to[...]

410-2 Fron t Fen ders Front fender, rem ov ing a nd ins ta lli ng - Ra ise h ood. Rai se an d saf ely su p p ort f ront of v eh icl e. WA RN I NG! Wh en raising the car us i ng a floo r jack or a hyd ra u l ic li ft, ca refu l ly p o sition th e jack pad to prev ent d am ag in g the car body. A su i table li n er (woo d , ru b ber, etc . ) sho uld [...]

and remov e retainin g screw ( arr o w ) . Re mov e l owe r fen d er att ach ing b ol t s ( ar row s ) at rear of wheel h ousin g . With d oor open remov e u p p er f end er to d oo r p ost attach in g b ol t (arrow ). Re mov e screw ( a rr o w ) at f ront of fend er. Fen der s, En g i n e Hood h tt p: // e bah n .ben t l e y pu bli s h e rs .com /[...]

Re mov e b ol ts ( ar rows ) al on g t op ed g e of fen d er. - Ca refu l l y remo v e fen d er f rom b ody. - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Before in stal l ing n ew f end er, cl ean old sealant and p rot ectiv e coating from mou n tin g su rf ace s. Posi t ion n ew f end er and l oose l y inst all al [...]

410-3 En gi n e Hood Hoo d, ra ising t o s er v i c e pos ition CA UTI ON! Do n ot switch o n the w i nd shiel d wi p er s w ith the engine h oo d ra i sed. A s a p re cau tion, re mo ve the w ip er mo to r fu se. See 610 Electr i ca l Co mponent L oc ations . Th e h o od i s h ea vy. B efo re re mo vi ng the h oo d su p por ts, b e su re to have a[...]

electrical h arn ess conn ector ( B ) from h eated n ozzl es. - De t ach g as-ch arg ed h ood su p p orts f rom h oo d . CA UTI ON! Th e h o od i s h ea vy. B efo re re mo ving the h o o d su p por ts o r h oo d re taini n g bolts, b e su re to have a n as sista n t help su pp o rt the h oo d. Lo osen u p p er h oo d h ing e b olt s ( A ). Re mov e[...]

Clea ra n ce specification Ho od edg es to adj oi n ing b od y p anel (g ap ) 5.5 mm (0.216 in. ) I f h ei g h t ad j u st men t at rea r of h oo d cann ot b e comp l eted u sin g u p p er h ing e, l oosen l ow er h ing e b olt s ( ar row s ) and reposi t i on as n ecessa r y. Pl astic coa t in g on t op of h in g e st op screw mu st n ot b e d ama[...]

minimal cl ear ance. Turn stop d isk to mov e h oo d f ron t stop fu r th er ou t. - He ig h t at f ront of h ood is set u sing sp ring p in s and ru b b er st op b u f fers. Hoo d rel ea se c a ble a nd s pring pins , a djus ting Before adj u st ing h oo d p in s, b e sur e th e h oo d is al ign ed ev enl y t o fen d ers and f ront p an el . - M a[...]

Lo ct ite®270 or equ i v al ent , an d rei n st al l . - Unscrew ru b b er st op b u ff ers abov e h ea d l ig h t assembl ies u n t il th ey su p p ort h oo d when cl osed wi t h ou t mov eme n t. - T est h ood for corr ect cl osure an d open ing . If h ood d oe s n ot sp rin g open , l en g t h en sp rin g p in s. T o l en g t h en sp ring p in [...]

8 - Stop b u ffer 9 - Sprin g p in 10 - Lo wer ho o d lo ck 11 - Sauce r h ea d sc rew 12 - Ecc entric w heel 13 - He x n u t w ith pl ate 14 - Hood catc h 15 - Bowd en ca b l e, ce n ter Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Fen der s, En g i n e Hood h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E[...]

B MW > 3 28 > 2000 > 2 .5L L6 (M52) Logout We lcome teth o m a@gma il. com h tt p: / / eba h n .be n tley p u bl i sh e r s.com /header.j s p 1 of 1 2/ 25/ 2009 10: 40 PM[...]

Tech In fo Search Enter V ehicl e I ndentification Nu m be r ( V IN ): C hoose vehicl e: DTC Xpr ess TM C hoose D iagnosti c T rouble C ode (D TC): Veh i cle 411-1 Gen era l T h is repair g rou p cov ers f ront an d rea r d oor repair in formatio n . I t in cl u d es remo v al an d in stal l atio n of in terior f ront d oor t rim p anel s, rea r d [...]

411-2 Doors WA RN I NG! E46 ca rs are fi tted w it h side-impact airbag s in the fro n t d o or s. W h en se rvicing doo rs on car s w i th fro n t side-impact a irbag s, alw ay s di sc o n n ec t th e n eg ative (-) batter y ter min al. See 7 21 A irbag Syste m (SRS) fo r cau tions and p ro ce d u res re l atin g to the airbag sys tem. Front or re[...]

With d oor fu l l y open , remov e p in b ol ts ( ar row ) f rom t op an d b ottom d oor h ing es. Re mov e d oor ch eck moun t in g b ol t ( ar row ). - Re mov e d oor b y l iftin g u p off l ow er h ing e h alv es. CA UTI ON! B e car efu l not to dama ge doo r or o th er pain ted b o d y su rfa ces . Mak e su re n o l oa d i s pl ace d o n wi rin[...]

A d j u st d oor st riker so th at t rai l in g edg e of f ront d oo r is sl ig h t l y h igh er (1 mm / 0.04 in. ) th an l ea d in g ed g e of rea r d oor. See 515 Central Lo ckin g and A n t i-th eft . Re p air any p ai n t d ama g e and p ai n t any ex p osed metal. CA UTI ON! I n 2-doo r mo dels, re mo ving and in sta ll i ng the d oo r ma y up[...]

airbag s in the fro n t d o or s and as an o p ti o n o n 4-do or models . W hen se rvicing doo rs on car s w i th fro n t side-impact a irbag s, alw ay s di sc o n n ec t th e n eg ative (-) batter y ter min al. See 7 21 A irbag Syste m (SRS) fo r cau tions and p ro ce d u res re l atin g to the airbag sys tem. - Close door wind ow compl etely. - [...]

- I n stal l ation is r ev er se of remov a l . Lub ricate d oo r ch eck b efore inst all in g . Use n ew moun tin g b olt s wh en rei n st al l in g t h e sid e-impact ai rb ag to th e d oor (where app l icab l e). Ti gh teni n g torqu e Do or ch eck to d oor 2 4 Nm (16 ft -l b ) Doo r hinge adj us tm e nt I f th e inst all ed d oor is u n ev en o[...]

Ti gh teni n g torqu es Do or h ing e to d oor 20 Nm (15 f t -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Doors h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /4... 6 of 6 2/ 25/ 2009 10: 40 PM[...]

411-3 Door Pa n e l s WA RN I NG! E46 ca rs are fi tted w it h side-impact airbag s in the fro n t d o or s and as an o p ti o n o n 4-do or models . W hen se rvicing doo rs on car s w i th fro n t side-impact a irbag s, alw ay s di sc o n n ec t th e n eg ative (-) batter y ter min al. See 7 21 A irbag Syste m (SRS) fo r cau tions and p ro ce d u [...]

- For rear trim p an el : Pry ou t wi n d ow switch at t op of armrest. Pry off con cea l in g p l u g s ( arr o ws ) from u n d er armrest. Re mov e d oor p anel retai n ing screws ( ar row s ). Uncl ip d oo r p anel f rom d oor p erim eter u sing a t rim p an el tool . Pu l l p an el retai n ing cl ip s off one at a time. Doors h tt p: // e bah n[...]

Pry off in sid e d oo r rel ea se Bow d en cabl e at en d of cl ip ( arr o w ). Pu l l off p an el : De tach cabl e f rom int eri or d oo r rel ea se l ev er. - Di scon n ect rad i o sp ea ker h arn ess conn ector. - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Re p l ace an y d ama g ed p l astic p arts or cl ips. Re[...]

Rear side trim pane l, re m oving and inst al ling (Co upe m odel ) - Re mov e rea r seat cu sh io n . Re mov e rea r b ackre st side sectio n . See 52 0 Seats . Usi n g a trim t oo l , g en tl y p ry u p d oor th r eshold trim. St arting at A -p ill ar, p ress radiu s of t rim d ownwar d s whil e sl idin g t rim forwa rd off trim cl ip s. Re mov e[...]

Re mov e t rim p l u g s on sid e p an el armre st . Re mov e in sert p an el retainin g screw s. Gent l y p ry sid e p an el insert fr om u p p er an d l ow er side p anel s. Di scon n ect electr i cal h arn ess conn ectors as n ecessa ry. - Re mov e u p p er side t rim p an el: Re mov e t rim retai n in g riv et f rom u p p er corn er at d oo r. [...]

- I n stal l ation is r ev er se of remov a l . M ake su re t o rep l ace an y b roke n trim cl i p s. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Doors h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /4... 6 of 6 2/ 25/ 2009 10: 41 PM[...]

412-1 Gen era l T h is r epair g roup cov ers tr u n k l id an d tailg ate remov a l an d inst al l ation. A l so incl u d ed h ere are rep l ace ment p roce d u res for th e g as-charg ed su p p ort st rut s t h at h old t h e t ru n k l id or tailg ate in t h e op en p osi t ion. No te: The bo dy i s painted at the factory aft er asse mbl y. Rea [...]

412-2 T ru n k Li d T runk li d, re m ov ing a nd ins ta lli ng Ra ise tru n k l id. Op en tool kit an d remov e screws attach ing t oo l kit t o tru n k l id ( wh ite ar row s ). Uncl ip r etai n ing st rap at tru n k l id and remov e t oo l kit. Re mov e in su l ating l iner ex p an sio n riv ets ( b lack arr o w s ), b y p ryin g u p p er p orti[...]

T runk li d, a li gning Ra ise tru n k l id. Working at l ow er corners of tru n k l id, u n screw out ru b b er b u f fers ( arr o w s ) on l eft and righ t sid es. I n sp ect p ads ( arr o ws ) on each sid e of l atch asse mb l y for d amage or wea r an d repl ace if n ece ssary. Re mov e p rotectiv e caps at t ru n k l owe r trim p an el an d l [...]

screw an d p rotectiv e cap. I f stop screw h as remov ab l e p rotectiv e ca p ( ar row ) r emo v e p rotectiv e ca p from st op screw. A d j u st stop screw so t h at h ead is set t o ( A ) 10 mm (0.40 in .) abov e b ore h ei g h t . T o ad j u st tru n k l id g ap at rea r f en d er: Lo osen b olt s retai n in g t ru n k h in g e to tr u n k l i[...]

T o ad j u st tru n k l id at l ock: Re mov e p rotectiv e caps f rom trim p anel and l oose n screws retai n ing l atch asse mb l y u n t il it can j u st b e mov ed . I n sp ect p ads ( arr o ws ) on each side of l atch asse mb l y for d ama g e or we ar an d repl ace if n ece ssary. I n sert key in tru n k l ock, an d h old key in u n l ock p os[...]

top of stop screw , and g ent l y cl ose t ru n k l id . A d j u st h eigh t of st op screw u n til p aper st rip can b e remo v ed with sl igh t resi stan ce. O n ce stop screw h ei g h t h as b ee n ad j u sted , l owe r adj u sted h ei g h t of stop screw 2.5 mm (0.1 in .) t o acco m modate for stop screw p rotectiv e cap. Fit p rotectiv e cap o[...]

- Re mov e st ru t f rom tru n k l id. - I n stal l ation is r ev er se of remov a l . Re p l ace retainin g cl ips d amaged d u rin g r emo v al . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Tru n k L i d, Tai lgat e h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /4... 6 of 6 2/[...]

412-3 T a i l ga te (Sport w a g on m od el s ) T a il gate, re m ov ing and ins ta lli ng - Ra ise compl ete tailg ate. Rem ov e int eri or t rim an d d isco n n ect wi ring h arnesses. - Di scon n ect l eft an d righ t su p p ort stru ts as d etai l ed b el ow. - Wh il e su p p orting t ailg ate, remo v e h ing e b olt s for t ailg ate on l ef t [...]

case of an el ectrica l f ai l u re. T h e release is l ocated in t h e rea r carg o are a, alon g th e l owe r edg e of t h e rear apron b ehin d a small access co v er. - Working in side car, at b ase of tailg ate: Re mov e release cov er. Pu sh l ev e r towa rd d r iv er' s sid e ( ar row ). T a il gate sup port st rut, rem oving and inst a[...]

Ra ise rea r wind ow. Remo v e inn er trim from g l ass p anel b y r eleasi n g cl ips on trim f rom retai n ers ( ar row s ). F or cl ari ty, trim is remov ed in p h oto. No te: Use t w o pl asti c prying w edg e tools to release ea ch pin retai ning tri m. Re l ea se sp oi l er moun tin g b olt s ( ar row s ). Di scon n ect wi ring t o b rake l i[...]

Su p p ort wi n d ow in open p ositio n . Working at t op of t ai l g ate, l oo sen screw s ( ar rows ) on ea ch wind ow h ing e. Note p osi tions of an y sp ace r s for reinstal l atio n . CA UTI ON! Re ar wi nd ow i s h ea vy. Use a sec ond pers on to su p por t w in d o w prior to re l eas i ng fro m h in ge s. - Re mov e screws a n d l ift off [...]

Cleara n ce of t h e rea r w in d ow is adj u sted b y ad d in g or remo v ing sh ims b etwe en h in g e b racket an d rea r wind ow (max imu m of t h ree sh ims). A d j u st sp oiler g ap t o b od y l ast. He ig h t of sp oiler is set b y alig n ment of t h e rear h atch . G ap of sp oiler t o b od y is set b y adj u stin g sp oiler att achmen t b[...]

Tail g ate and rea r wi nd o w p ositi o n gap adju stme n t Re ar wi n d ow / tailg ate ( F ) 4 ± 1 mm (0.16 ± 0.04 in. ) Re ar wi n d ow / tailg ate ( G ) 5.4 ± 1 mm (0.21 ± 0.04 in. ) T o ad j u st fit of t ailg ate to b od y: Close tailg ate an d open r ea r wi n d ow . T ailg at e h in g e b ol ts ( A , b ehin d trim) sh ou l d b e cent er[...]

Ti gh teni n g torqu es Lo ck n u t f or stop b u f fer (M 8) 15 Nm (11 ft -l b ) Lo osen screw s ( arr ow s ) and rep osi tion rea r l atch t o fu rth er a d j u st g ap b etwe en tailg ate and b od y at sid es, and t o assure smooth op era tion. - T o ad j u st striker p ositio n : Close tailg ate sl owly, all ow ing striker to cen ter itsel f on[...]

Re t igh t en l ock n u t when wind ow l atch operates smoo t h l y. T o ad j u st rea r wind ow l ock p ositio n , initiall y l oose n l ock m oun t in g b olt s ( ar row s ). Close wi n d ow sl ow l y, all ow ing l ock to cen ter itself on striker. T ig h t en mou n t ing b ol ts, t h en ch eck rea r wind ow to b ody g aps as shown ab ov e. Co py[...]

510-1 Gen era l T h is r epair g roup in cl u d es repair inf orma t ion for th e ou tsid e rea r v ie w mirro r, f ron t an d rea r b u mp ers, an d th e ea sil y remov abl e ex t eri or t rim p arts. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Ex t er i or Tr i m , Bu m pers h tt p: // e bah n .ben t l e y pu bli s h e [...]

510-2 Ou ts i de Rea r Vi ew M i rrors M any of t h e mir ror compon ent s are separate l y av ailab l e f rom an au th orized BM W d ealer, incl u d in g th e g l ass an d outsid e p l astic h ousin g . O uts ide m i rror gla ss , r epla c ing CA UTI ON! Mirro r sho uld b e at o r abo ve ro om tem p era tur e b efo re re mo val. Oth er w i se , sm[...]

abov e. Re mov e h ou sing retainin g screw s ( ar row s ) and l ift off rear h ou si n g . T il t mirror h ou sing forwar d and compress p l astic retai n ers ( ar rows ) and l ift off fron t h ou sin g . No te: The front mi rror hou si ng i s retai ne d b y eit he r t hre e or four cl i ps, de pe nding on mod el . - I n stal l ation is r ev er se[...]

Gent l y p ry off d oo r in n er t rim p anel from retainin g cl ips ( arr o ws ). Di scon n ect electr i cal h arn ess conn ectors f or wi n d ow ant i-trapp ing p rotectio n and sp eake r ( arr o ws ), if equ ip p ed . Re mov e in n er d oo r p anel t rim. On sedan mod els, trim st rip ex ten d s aro u n d wi n d ow to d oor l atch are a. Su p p [...]

Check mirror fu n ction b efore inst all in g cov eri n g p arts. Ti gh teni n g torqu e Ou tsid e mirro r t o d oor (M 6) 6 Nm (4.5 ft -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Ex t er i or Tr i m , Bu m pers h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 4 of 4 2[...]

510-3 Bu m pers Front bum pe r ass e m bly 1 - Impact absorbe r 2 - Space r 3 - Ca p 4 - Sup po rt b ra ck et 5 - Bumper brac ke t bo lt tig h t en t o 41 Nm (30 ft -l b ) 6 - Protec ti ve rubb er strip 7 - Li ce nse pl ate brac ket 8 - To w ey e cove r 9 - Bumper cover 10 - Ca rrier b umper 11 - Gril l 12 - ASA b ol t tig h t en t o 41 Nm (30 ft -[...]

Front bum pe r, r em oving a nd inst a ll ing - R ai se an d p rop erly su p p ort v ehicl e. WA RN I NG! Mak e s ur e th at the car i s firmly su pp or ted on j ac k stands d es igned for the p u rpo se. Place the jack sta n ds beneath a stru ctu ral chas sis point . Do not pl ac e jack stands under su spension p ar ts. - Worki n g u n d ern eath [...]

out side t emperatu re sen sor at rear of l eft side of b u mp er and temp eratur e swi t ch at rear of rig h t side of b u mp er. - Sl ide b u mp er straigh t off sid e b racke ts. - I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : Sl ide sid e b rackets on b u mp er an d b ody careful l y t ogeth er. M ake sure g ap b et[...]

Rea r bum pe r ass e m bly 1 - Ca p 2 - Ca ske t 3 - Impact absorbe r 4 - Ca rrier b umper 5 - Sup po rt b ra ck et 6 - Br ack et 7 - Protec ti ve rubb er strip 8 - Bumper cover 9 - Lo wer part cove r 10 - To w ey e cove r 11 - ASA b ol t tig h t en t o 41 Nm (30 ft -l b ) 12 - Bumper brac ke t bo lt tig h t en t o 41 Nm (30 ft -l b ) Rea r bum pe [...]

WA RN I NG! Mak e s ur e th at the car i s firmly su pp or ted on j ac k stands d es igned for the p u rpo se. Place the jack sta n ds beneath a stru ctu ral chas sis point . Do not pl ac e jack stands under su spension p ar ts. Re mov e b u m p er su p p ort b ol ts u sing sp eci al BM W tool 00 2 15 0. Re mov e n u t from b u mp er cov er retai n[...]

I nstal l t he bump er bracke t bo l t w i t h threa d l ocki ng comp oun d such as Lo ct i t e®27 0 or eq ui valent. Ti gh tenin g torqu e Bu mp er b racket to i mp act absorb er (M 10 b ol t) 41 Nm (30 f t -l b ) Rea r bum pe r im pac t abso rber, re plac ing - R emo v e b u mp er as d escribed abov e. - R emo v e l u g g age comp artment f l oo[...]

Bu m p er h eigh t , ad j u st ing . Ti gh tenin g torqu es Bu mp er b racket to i mp act absorb er (M 10 b ol t) 41 Nm (30 f t -l b ) I mp act ab sorber t o ch assi s (M 8 nu t ) 2 2 Nm (16 f t-l b ) B um pe r he ight, adj us ting T h e adj u stmen t p roce d u re app l ie s to ei t h er f ront or rea r b u mp ers. A 14 mm all en socke t is n ee d[...]

b ol t at imp act ab sorb er. Usi n g a 12 - i n ch ex ten sio n an d a 14 mm A l l en socket, t u rn ad j u stin g col l ar cl ockw ise or cou n t erclockwi se as n ee d ed to ch an g e h eig h t of adj u stin g coll ar. - R ei n stal l mou n tin g b ol ts and ch eck b u mp er h eig h t. Re fit fron t b u mp er. Ti gh tenin g torqu es Fron t b u m[...]

510-4 Exteri or T ri m Ex terio r t rim is retai n ed t o th e b ody b y p l astic cl ip s and f asteners t h at m ay b e d ama g ed d u r ing remo v al. Be su re t o h av e n ece ssary fasten ers on h an d when reinst al l ing ex terio r t rim p iece s. B M W e m ble m , re m ov i ng and ins ta lli ng T h e p roce d u re g iv en b el ow ap p l ies[...]

I n stal l ation is r ev er se of remov a l . Re p l ace an y cl ips or cl ip cov e ring b oo t s d amaged d u r ing remov al . Radia to r gril l, re m ov ing and ins ta lli ng - Op en h ood. Gent l y p ry ou t t ab on l eft or righ t sid e of g ril l trim ring ( A ), as we l l as tab s on b ottom. - Feed g ril l out t h rou g h open in g . Be care[...]

Headl ight hous i ng t rim panel , rem oving and inst a lli ng - Op en h ood. - Re mov e sp ray n ozzl e of v ehicl es equ ip p ed with h eadl ig h t cl ean i n g systems. See 61 1 W ipers an d Wash ers . Uncl ip in n er tab at rad ia t or su p p ort . - Press pan e d ow n wa rd , out of retai n ing b rackets. Feed ou t retai n ing h ook at f end e[...]

512-1 Gen era l T h is r epair g roup cov ers d oor g l ass, wi n d ow reg u l ator an d p owe r wi n d ow motor repair inf orma tion. CA UTI ON! A l l E46 mo dels are equipp ed w it h side-impact a irbag s in th e fro n t doo rs . So me mo d els ar e also equ i pp ed w ith airbag s in th e rea r doo rs . B e su re to re ad the airbag warnin g s an[...]

P ow e r w indow s Pow er wind ow f ea t u res in E4 6 mod els incl u d e: Co n t rol of t h e fr ont and rea r d oor wi n d ow motors is carrie d ou t d ire ct l y b y th e Gen era l M odu l e (GM V ). On e-tou ch operatio n in b oth d ire ct ions on al l f ou r wind ow s, where app l ica b l e. Ca b l e t yp e wi n d ow re g u l ator u sed for al[...]

cu stomize d with th e Car M emory fu n ction. See 515 Ce n t ral Lo ckin g and A n ti-th ef t . A ft er th e ign itio n is switch ed off , electric wind ows can b e op era ted u n t il a d oor is opened or u n t il 16 minu t es h as el apsed . T h e GM V b ases wi n d ow motor end p ositio n on cu rrent d raw (l oa d ). There is a max imu m wi n d[...]

W indow s w itche s T h e p u sh -p u l l t yp e wind ow swi t ch p rov ides th e GM V with a coded g r oun d sign al. Hold in g a switch at th e first d etent p rov ides a sin g l e g r oun d sig n al on one w ire re q u estin g th e GM V to open t h e wind ow. Wh en release d , th e g roun d sign al is remo v ed an d t h e wi n d ow moto r st op [...]

I n 4-door m odels, t h e rea r wind ow ch ild l ocko u t switch ( ar row ) is incorp orate d in th e d riv er' s wind ow switch b l ock to t h e l eft of th e sh ift er. W h en activ ated, it p rov ides a con stan t g rou n d sign al t o t h e GM V , p rev ent ing t h e wind ows from b ei n g operated fr om th e r ea r d oor swi tch es. T h e[...]

d oor l ock. I f t h e GM rece iv es a requ est t o operate conv en ience cl osing or op enin g for more th an 11 0 seco n d s, th e fu n ct io n i s d eactiv ated an d a fau l t cod e is st ore d . W indow anti-t rap prot ec tion I n 4-door m odels, a ru b b er p ressure g u ard l oca t ed at t h e top edg e of ea ch d oor f rame consists of t wo [...]

a wi n d ow mo t or is a ct i v ated . I t cou n t s ea ch cycl e and stores th e n u mb er in memo ry. A ft er t h e st op fu n ct io n l imit is rea ch ed and t h e wind ow motor is d eactiv ated, th e GM V sl owly rev e rses th e stored coun t of activ atio n u n t il t h e stored n u mb er equ al s 0, t h u s all ow ing th e wi n d ow motor t o[...]

to th e wi n dow reg u l ato r sho uld always b e di sc o n n ect ed to prev ent p in chi ng fin ge rs in th e mo vin g wi n d o w me chanism. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Door W i n d ow s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 8 of 8 2/ 25/ 2009 10:[...]

512-2 W i n dow Serv i ce, 4-door M odel s Sedan an d Sp ort W ag on d oors are simi l ar. Use th e fol l owi n g p roce d u res for wind ow serv ice on th ese m odels. WA RN I NG! E46 ca rs are fi tted w it h side-impact a irbag s in th e fro n t doo rs . So me ar e equipped w ith airbag s in the rea r d o or s as well . Wh en ser vicing the d o o[...]

Win d ow sh oul d con tact b l ock, th en imme d ia t el y rev erse d ire ct ion and l owe r b y app rox . 25 mm (1 in. ). No te: Anti -tr ap str i p i s i ntegr ated i nto t he molding st ri p of t he do or w i ndo w frame. Front w indow anti-trap s trip, rem oving - Re mov e f ront d oo r p an el an d v apor b arrie r as d escrib ed in 411 Doo rs[...]

1 - Win d ow frame mold in g 2 - Clip 3 - Do or corn er sp eake r cov er 4 - Foam insu l atio n 5 - M oun tin g cl ip - A ft er inst al l ation, rech eck ant i-trap p rotectio n . Rear w i ndo w a nti-t r ap st r ip, rem oving - Re mov e rea r d oo r p an el and v apor b arri er as d escri b ed in 411 Do ors . De t ach wind ow fr ame mold ing st ri[...]

against t h e wind ow sea l u n iformly. No te: I f the w i ndow doe s not con t act the w i ndow seal un i forml y, w i nd no i se or w ater i nf i l t rati on may re sult . - Re mov e f ront d oo r p an el as d escri b ed in 411 Do ors . - Di scon n ect n eg ativ e (-) cab l e from b attery. Then remov e airbag u n it and v ap or b arrie r f rom [...]

- Re mov e f ront d oo r p an el as d escri b ed in 411 Do ors . - Di scon n ect n eg ativ e (-) cab l e from b attery. Then remov e airbag u n it and v ap or b arrie r f rom d oo r . See 72 1 A irb ag Syst em (SRS) . WA RN I NG! Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o f t[...]

w i ndow retai ne rs every ti me t he glass i s remo ved from t he doo r. T u r n wind ow g l ass care f u l l y insid e d oo r cav ity and l ift ou t of d oo r . - I n stal l ation is r ev er se of remov a l . Re p l ace p l astic wi n d ow retai n ers once g l ass is insid e d oor. Use n ew moun tin g b olt s wh en rei n st al l in g sid e-impact[...]

(4.5 in. ) f rom b ott om. Re mov e wi n d ow retai n ing screw ( in se t ) at wi n d ow regu l ator rai l . WA RN I NG! On ce th e wi n dow i s p o si tioned co rr ectly, di sc o n n ec t h ar ness co nn ecto r fro m power w i nd o w mo tor to p re ve n t accidental o p er atio n o f the w in d o w. De t ach p l astic wi n d ow re tainer f rom g l[...]

Ti gh teni n g torqu e Side-impact airbag to d oor 8.5 Nm (75 i n -l b ) Win d ow to regu l ator g u id e 8 Nm (71 in-l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Door W i n d ow s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 8 of 8 2/ 25/ 2009 10: 45 PM[...]

512-3 W i n dow Serv i ce, 2-door M odel s 2-door models are equ ip p ed with th e "cl ose wi t h d oor sh u t " featu re. I n t h is mode, th e wi n d ow g l ass mov es d ow n sl igh t l y wh en t h e d oor lat ch is activ ated , t h en j ams u p tig h t l y against th e wea th er-str i p when th e d oo r is f u l l y cl ose d . WA RN I [...]

T h e fol l owi n g ad j u stmen ts can b e made t o th e wi n d ow: Lo n g itu d in al adj u st men t Pretension (or wi n d ow rake ) Para l l elism (or wi n d ow t ilt ) V ertica l ad j u st men t (or retraction d ept h ) Gl ass p rotru sio n ( when open ) Di st ance b etwe en side wind ow and d oor wi n d ow Eme rgency op er ation A d j u st in [...]

Close door as f ar as p ossi b l e with out forcing . Co u p e mod els: To p ed g e of g l ass mu st rest on d oor sea l ( A ). Co n ve rt ibl e model s: G ap b etwee n d oo r an d B-p ill ar ( B ) mu st b e 25 mm (1 in . ). No te: W i ndo w must seal w i th w ater drain at mi rror t ri an gl e i n A-pi l l ar. - Use d oor h and l e t o open rotary[...]

Posi t ion wind ow ap p rox . 15 5 mm (6.1 in. ) abov e d ea d b ottom. Working care f u l l y with a p l astic p rying tool, d etach out sid e trim st rip f rom d oo r . Re ach t h rou g h d oor b ores ( A ) u sing T orx d riv er E7 on ex t en sio n with ratch et wre n ch (BM W sp ecia l t oo l 41 6 120 or equ iv alen t ). Loo sen b u t d o n ot r[...]

of wind ow out er sea l in g l ip. I f n ecessa ry, rep l ace side wind ow trim. Wi n do w l o ng itu d in al ad ju stme nt Di mension A 1 - 2 mm (0.0 4 - 0. 08 in. ) Do or wi n d ow rear edg e t o sid e wi n d ow sea l (Co u p e) 6 ± 0.75 mm (0.24 ± 0.03 in. ) Co n ve rt ibl e model s: W h en al l th e wa y u p , measure d oor wi n d ow gap to s[...]

- Re mov e out er d oor trim st rip as d escri b ed earlier . La t ch d oo r t o f irst catch of d oor l ock ( A ). Ch eck th at t op of wind ow re st s on ru b b er d oor sea l ( B ). Re ach t h rou g h rear b ore in d oo r with BM W sp ecia l t ool 41 6 12 0 or equ iv alen t r atchet wrench . Lo osen wind ow adj u st men t To rx screw ( A ) 18 0?[...]

Adj usti ng the de pth that t he w i ndo w retracts i nto t he doo r seal i nsu res that w i nd no i se and w a ter l ea kage past w i ndow i s kep t t o a mi ni mum. Para l l elism. To p ed g e of d oo r wind ow mu st b e p ara l l el t o cont our of wa t er d rai n in roo f. No te: W i ndo w pa r all el i sm i s also r efer red t o as w i nd ow t[...]

Pry out ru b b er p l u g s at b ase of d oo r . Starting at rear of d oor, reach th r oug h b ore in d oor to t u rn To rx screw ( A ). No te: Torx screw si z e i s T 20 . Re p eat at f ront b ore. Ra ise wi n d ow an d ch eck f or p ara l l el ism and correct d ep t h of retractio n . Re p eat as necessar y. Re in sert ru b b er p l u g s. Front [...]

ar row . Li f t off wind ow in n er l ip sea l . I f n ecessa ry, rep l ace any d efectiv e retai n ing cl ip ( ar row ). Posi t ion d oo r wind ow app rox ima t el y 80 mm (3.15 in. ) b elow roo f l in e. I f n ece ssary, t emporari l y r eco n n ect b attery cab l e. WA RN I NG! On ce th e wi n dow i s l o w ere d , di sc o n n ec t h ar ness co [...]

W i ndo w rea r moun t i ng ha rdw are w i l l stay w i t h glass. - T il t rear edg e of wind ow g l ass u p and out of d oor. - I f g l ass is b eing rep l aced, t ran sfer wi n d ow rear moun tin g h ard w are (moun t in g sh im, t h readed sl ee v e and cl amp ing retainer) f rom l owe r rea r corn er of g l ass to n ew wi n d ow . - I n stal l[...]

Re f er t o acco mp anyin g ill u st ratio n when remov in g Coup e rear v ent wi n d ow or v ent l atch m echan ism. 1 - V ent wind ow d riv e 2 - I n n er cap 3 - Re t ainer 4 - Wash er 5 - Wash er 6 - Sh im 7 - Gl ass su p p ort Wh en inst all ing , make sure U-shap ed open in g in g l ass su p p ort p oints t o rear of car. T o access rea r v e[...]

m odel s) Re f er t o acco mp anyin g ill u st ratio n when remov in g Conv ertib l e rear wi n d ow or wind ow motor. 1 - Win d ow moto r 2 - Win d ow regu l ator assembl y 3 - Win d ow g l ass 4 - I n sert 5 - I n n er sea l 6 - Ou t er sea l CA UTI ON! Co nver t ib le re ar wi nd ow rem ov al, in sta ll atio n and adj us tment i s co mplex. If t[...]

wi n d ow . Di st ance t o f ront d oo r wind ow (l ong itu d in al ad j u st ment ) ( A ) mu st b e set b y l oose n ing To r x b olt th r oug h b ore in out er sh el l of car, after remov in g ex t erio r sid e trim strip . T o set retractio n d ep th (su b mersi on) in to t op ru b b er sea l ( B ), rear int eri or sid e t rim p anel mu st b e r[...]

512-4 W i n dow Regu l a tor Serv i ce WA RN I NG! E46 ca rs are fi tted w it h side-impact a irbag s in th e fro n t doo rs . So me ar e equipped w ith airbag s in the rea r d o or s as well . Wh en ser vicing the d o or wi n do w s o n ca rs wi th side-impact a irbag s, alw ay s di sc o n n ec t th e n eg ative (-) batter y cable. See 7 21 A i rb[...]

h arness con n ector ( A ). Re mov e motor mou n tin g b ol ts ( B ). T wist motor sl ig h t l y ( ar rows ) t o cl ea r wind ow regu l ator moun t in g tabs. - Wh en rei n stal l in g : M ake su re wind ow h as n ot trav ell ed fu l l y d ownwa rd . M anip u l ate sp ring -l oa d ed wind ow contr ol cab l e ( C ) t o eng ag e motor teeth t o regu [...]

W indow regula tor and m otor, re m oving and inst a ll ing (4-do or m ode ls) Sedan an d Sp ort W agon d oors are simi l ar. Th ere are t wo w in d ow rails in ea ch f ron t wi n d ow regu l ator, on l y one in th e re ar. O t h erwi se t h e f ront and rear regu l ators are similar. No te: BMW reco mmen ds r emo vi ng the w i nd ow reg ulator an [...]

- R emo v e v apor b arri er. - D etach wind ow from wind ow regu l ator as d escri b ed earlier. Do n ot remov e wi n d ow f rom d oo r. Pu sh wi n d ow u p an d u se wedg e t o h ol d in p ositio n . De t ach wind ow regu l ator f rom d oo r : Di sconn ect elect rica l h arn ess conn ector ( A ) to p owe r wind ow motor. Re mov e reg u l ator mou[...]

Doo r w indow r egula tor and m otor, re m ov ing and i ns tal li ng, (2-do or m odels) - R emo v e d oo r p an el as d escri b ed in 411 Doo rs . - D isco n n ect n egativ e (-) cab l e f rom b attery. Then remov e airbag u n it and v ap or b arrie r f rom d oor . See 721 A irb ag System (SRS) . - R emo v e d oo r g l ass as d escribed ea r l ie r[...]

remo v al. - I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : I n sp ect r u b b er in su l ators. Repl ace if b ritt l e. A f ter in serting wind ow regu l ator int o d oor cav ity, in stal l an d t ig h ten d ow n moun t in g n u t s on rea r wind ow rai l . I n st all fron t wind ow rail moun t in g n u t s b u t d o n [...]

513-1 Gen era l T h is r epair g roup cov ers int erio r t rim remo v al and in stal l ation p rocedu res. Re f er t o th e foll ow ing rep ai r g roup s f or add itional in f ormatio n : 25 0 G ea rsh i f t Li n kag e 41 1 Do ors (int eri or d oo r p anel s) 61 2 Swi tch es 62 0 I n stru ment s 64 0 He at ing an d A ir Co n d itio n ing ( I HKA co[...]

I n terio r tr im and f inish p an els are cl ipp ed or screw ed in to p l ace . M any of th e t rim retainin g cl ips are d esi g n ed t o b e u sed on l y once. Wh en remov in g trim t h at is h eld i n p l ace wi t h cl ip s, it is a good id ea to h av e sp are s on h and b efore b eginn in g t h e j ob . No te: The BMW E46 i s eq ui pp ed w i t[...]

CA UTI ON! Wh en w o rk in g o n el ec trical switches o r l ights, always di sc o n n ec t th e n eg ative (-) ca bl e fro m the b atte ry and i n su l ate th e ca b l e end to p re ve nt ac cidental re co nn ec t ion. Prio r to di sco nn ect in g the batter y, rea d th e battery di sc o n n ec t ion cau tions giv en at the fro n t o f th is manua[...]

513-2 Cen ter Con s ol e T h e consol e b etwe en th e two fr ont sea t s st arts b ehin d t h e sh ift er h ou sing . I t h ouses t h e p arking b rake h an d l e, option al tel ep h on e and od d ment s storage tr ay. The rear p ortio n of t h e console h ou ses th e ash tr ay and cov ers th e emergen cy b rake cab l e end s. T h e opt io n al f [...]

[...]

513-3 Da s h boa rd T h e E46 d ash b oa rd asse mb l y in cl u d es th e in st ru ment cl u st er, p assen g er side ai rb ag , g l ov e compartmen t, fu se and relay p an el , radio, IH KA con t rol p anel or on-b oard mon itor (if eq u ip p ed wi t h GPS), f ron t ash tray, sh ifter asse m b l y, and wi n d ow cont rol switch es. Da sh b oa rd r[...]

11 - Gl o ve compar tment hi ng e 12 - Stee rin g col umn cove r 13 - Left g lo ve compar tment (op ti on al) 14 - Ce n ter knee protector 15 - Stee rin g col umn knee prot ec to r 16 - Left fo o twell (pedal cluster ) trim panel 17 - Fo ot well l i gh t cove r 18 - Fo ot well l i gh t sock et 19 - Left knee protector Glove c om pa rtm e nt and ri [...]

righ t side st rap . Pu l l ou t p in f rom b ott om of l eft sid e d ampen in g r od. Re mov e g l ov e comp artment h in g e moun t in g b racke t screws ( a rr o w s ). Li f t g l ov e compartmen t ov er moun t in g rod to remo v e. Re mov e g l ov e comp artment h ousin g : Re mov e in sert mou n t ing screws ( ar row s ). I f n ecessa ry, rel [...]

Stee ring c olum n trim , r em oving and inst al li ng - R emo v e steeri n g wh eel as d escribed ear l ier. Fu l l y l owe r and ex ten d ( arr o ws ) adj u stab l e st ee r ing col u mn . - R emo v e retai n ing screw from t op of steeri n g colu mn u p p er t rim cov er. Pu sh in sid es of u p p er t rim cov er ( ar row ) to r elea se f rom l o[...]

to rel ea se. Pu l l d ow n on t rim. - I n st al l atio n is rev erse of remov al . Re p l ace a n y b roken or missing fasten ers. Left f ootw e ll (peda l c lust e r ) t rim panel , re m oving and inst a ll ing - M o v e st ee rin g colu mn t o ma x imu m ex t en d ed p ositio n . Working at trim p anel , remov e screws ( ar row s ) and ex p an [...]

Dash boa rd/s hift e r c ons ole ass e m bly , re m ov ing a nd inst a ll ing - D isco n n ect n egativ e (-) cab l e f rom b attery and cov er terminal with insu l ating materia l . CA UTI ON! Prio r to d isco nn ecting the b atte ry, re ad the batter y di sc onnection ca utions give n at the fro nt o f th i s ma nua l on p ag e vii i . Usi n g a [...]

Re mov e sh ift er kn ob b y p u l l in g straig h t u p . No te: App l y app rox. 90 l b. of force to pu l l off kno b f rom shi ft rod . - L ift u p an d r emo v e sh ifter b eze l b y p rying g ent l y. - U n cl ip b ottom of sh ift er b oo t f rom cent er consol e t rim b y p u sh in g forwa rd. Pu l l b oot u p aro u n d sh ift er. - R emo v e[...]

in stru me n ts to r em o ve trim o r fin i sher str i p - R emo v e screw s b enea t h f inish in g strip . Ca ref u l l y p u l l awa y A -p ill ar trim. - R emo v e h ea d l ig h t switch . See 612 Switch es . - R emo v e inst ru men t cl u st er. See 620 Instr u ment s . - R emo v e I HKA cont rol p anel an d modu l e. See 64 0 Hea tin g an d A[...]

d ashb oa rd . - Sim ilarl y, remov e l eft sid e d ashb oa rd mou n t ing screw or ex p an sion riv et. Re mov e d ash b oard moun t in g n u t ( ar row ) at sh ifter con sole. Re mov e mou n tin g n u t s and screw ( ar row s ) at d ashb oa rd face. - T o remov e d ash b oard: Pu l l u p p arking b rake fu l l y. Pu sh sea ts fu l l y b ack. Li f[...]

tig h t enin g fast eners. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. I n t er i or Tri m h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 10 of 1 0 2/ 25/ 2009 10: 46 PM[...]

515-1 Gen era l T h is sect io n cov ers rep ai r inf ormatio n for d oor, t ru n k an d carg o comp artment l ocks and cen tral l ocki n g . A l so cov ere d are El ectron ic I m mobil iza t i on Syst em (EWS) and an ti-t h eft al arm (DWA ). Kee p in mind t h at E4 6 cars are equ ip p ed with soph isticated and self -d iagn ostic el ectrical syst[...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cen t ra l L ock i n g an d An ti- Th eft h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 2 of 2 2/ 25/ 2009 10: 47 PM[...]

515-2 Cen tra l Locki n g No te: There i s a do or l ock key cyl i nde r on the driver's do or on l y Ce n t ral l ocki n g in E46 v eh icl es cont rol s th e d oo r l ocks, tr u n k or cargo compartmen t l ock an d fu el fil l er f l ap l ock. The Cent ral Bod y El ect ronics (ZKE V ) cont rol mod u l e, kn ow n as th e General M od u l e (GM[...]

from b eing op ened from t h e in side regardl ess of l ock-bu t t on p ositio n . T h e Gen era l M odu l e (GM V ) an d El ectronic Immo b il i zation ( EWS 3.3) int erface v ia th e K-b u s to mon itor d oub l e l ock st atu s and t o initiate d oub l e l ock ov erri d e. This f ea tu re all ows th e d oor s t o b e op ened f rom t h e insid e i[...]

Central lock ing sw i tch T h e cent ral l ocking switch is h oused in a combin ed h ou sin g with th e h aza rd fl ash er switch . T h e cent ral switch l ocks all v eh icl e l ocks ex cep t f or t h e f u el f il l er fl ap . T h e swi tch p rov ides a mo ment ary g roun d inp u t sign al t o th e G M V . T h is inp u t sing l e l ocks each d oor[...]

Si ngle lock a nd doub le l ock fu nction Each d oor l ock actu ator in corporates two motors: Sing l e l ock motor con trol s th e mechan ica l l ock mechan ism wh en t h e cent ral l ock switch is p resse d to sin g l e l ock t h e v eh icle. T h e l ock mech anism is fu l l y l ocke d at t h is p oint b u t can st il l b e open ed f rom th e int[...]

footwe l l are a. T h e b u tt on p rov id es th e GM V with a g r oun d sig n al wh en p resse d . T h e v ehicl e mu st b e u n l ocke d or sin g l e l ocke d from t h e cent ral l ock swi tch f or th e re mote u n l ock to work. The remote tru n k rel ea se is l ocked ou t wh en t h e tru n k is l ocked in th e v al et settin g or when t h e G M[...]

Rem ote entry (FZV) T h e E46 remote (keyless) ent ry system (u su al l y cal l ed FZ V ) u ses a t iny rad io tran smitt er in th e v ehicl e key to l ock an d u n l ock t h e d oors an d t h e t ru n k b y remo t e con trol . 1 Press once: u n l ock d riv er's d oor D WA disarme d i n t eri or l igh t s on Press twice : total u n l ocking H [...]

p anic mod e (alarm if equ ip p ed) T h ere are a n u mb er of oth er f ea t u res incorp orate d in FZ V : Lo ckin g / u n l ocki n g of f u el f il l er l id Selectiv e u n l ocki n g of d riv er's d oor (as wi t h key in l ock) A rming /d isarming of DW A al arm system (if equ ipp ed) Re mot e un l ocking of th e tru n k on l y Co mf ort op[...]

Key incorp ora tes an LED th at sign als operator of sig n al tran smitt ing , key initializatio n st atu s and key sel f-t est ind icatio n Keys d el i v ered with f our d ifferent colored l ab els. This is h el p fu l to d iff ere n tiate FZ V keys d u rin g initializatio n , p rev ent in g p ossib ility of misassi g n in g key ID wh ich woul d c[...]

l ock/u n l ock th e v ehicl e. Th is is a requ ireme n t of th e Key M emo ry f ea tu r e, cov ered b el ow. Car M e m ory /Key M e m ory A n u mb er of featu res and f u n ctions can b e cu st omi zed to t h e d riv er(s) p reference. T h e iden tity of t h e v ehicl e u ser is p rov ided b y a sig n al f rom t h e keyless en tr y syst em (FZ V )[...]

He atin g / A / C p refere n ces (I HKA ) Sea t an d mirror p references (trig g ered b y Key M emo ry) I n st rum ent cl u st er d ispl ay u n its (f or ex amp l e: km v s. mil es) Ke y M emory Wh en ev er one of th e FZ V keys is u sed to l ock or u n l ock t h e car, th e u ser is iden tified b y th e GM V . A max imu m of fou r keys can b e p r[...]

rece i ved at the GM V. T he refore Ca r Memo ry/ Key Memory featur es w i l l not be acti vated . Rem ote ke y i nitial iza tion I n itia l iza t ion of FZ V keys is requ ire d t o establ ish l ock/u n l ock sign al syn ch ron iza tion wi th t h e G M V . The initializatio n p r oce d u re p rov ides t h e GM V wi t h a key iden t ifica tion n u m[...]

the key memo ry f un ct i ons acti vated b y the keys w i l l no t be assi gne d correctl y. Al w ays i nit i al i z e t he ke ys i n the same ord er. Con vertible c entral l ock ing I n C onv ertibl e mo d el s, th e g l ov e compartmen t l ock is in teg rated in t o cent ral l ocking f u n ct io n s. A n ad d itional l ock actu ator is p ositio n[...]

I n t eri or t ailg ate release bu tt on at d riv er's kickp an el Unl ock micro switch abov e rea r l ice n se p l ate A n y of t h ese inp u t req u ests t o t h e GM V activ ate t h e t ailg ate l atch motor. T h e GM V wi l l also switch on t h e int eri or l igh ts wi th a t ai l g ate u n l ock requ est. T h e rea r wind ow is open ed wi[...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cen t ra l L ock i n g an d An ti- Th eft h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 14 of 1 4 2/ 25/ 2009 10: 53 PM[...]

515-3 Door Ha n dl es a n d Locks A n y time a d oo r l ock is remo v ed and rei n st al l ed , b e su re to ch eck an d r ese t : Unl ocking of rotary l atch Ou t sid e d oor h an d l e ov e rtrav el T h ese adj u st ment s an d measureme n t s mu st b e mad e b y cl osi n g th e d oo r l ock rotary l atch wi th a screwdriv e r, t h en attemp tin [...]

re l eas e Bow den ca b l e 3 - Lo ck b ut ton an d rod 4 - 9/20 00 and later models: Bowd en ca b l e brac ket 5 - 9/20 00 and later models: Doo r hand l e in ner me chani sm 5a - M o d els to 9/20 00: Doo r hand l e in ner me chani sm 6 - In ner hand l e moun tin g b ol t 7 - Ke y cylin d er moun tin g b ol t (To rx ) 8 - Gask et 9 - Door l ock w[...]

cy l in d er and cove r 14a - Re ar or rig ht do or: O u ter hand l e r ea r anchor 15 - Door strike r cove r 16 - To rx b o lt M 8 tig h t en t o 24 Nm (18 ft -l b ) 17 - Door l ock str i ker 18 - Lo ck p late Rotar y latch u nl o ck i n g, re setting With d oor open , cl ose rotary l atch . - L ock car wi t h key or l ock b u tt on. - U n l ock c[...]

adj u stmen t screw, t h en retig h t en. Ca rr y out ch eck ag ai n . No te: The ri ght si de l atch ad ju st i ng screw i s threa ded l eft-han ded . Ti gh tenin g torqu e D oor l ock adj u st ment screw 3 + 2 Nm (27 + 18 in -l b ) O u tsid e h andl e over tr ave l , re se t tin g - With d oo r open , cl ose rota ry l atch wi th a screw d riv er.[...]

Doo r l ock , re m oving and inst a ll ing T h e fr ont an d r ea r d oor l ocks for all E46 model s are simi l ar. Early p rodu ct io n cars, u p t o 9/200 0, u se a l ock actu ator wi th an ex tern al l ev er wh ich coup l es wi t h th e out side d oor h an d l e mech anism. Ca rs p rod u ced f rom 9/200 0 u se a Bow d en cabl e to att ach t h e [...]

Ra ise wi n d ow to top . CA UTI ON! Guide th e w in dow u p ma n ua l l y in o rder to avo i d bi n di n g . Re mov e wi n d ow regu l ator rea r rail: Re mov e t op and b ottom rail moun t in g fasten ers ( ar rows ). Sl ide r ai l d own, all ow in g it to h ang to t h e sid e out of t h e wa y. WA RN I NG! E46 car s are fi tted w i th sid e-impa[...]

- I n st al l atio n is rev erse of remov al , n oting t h e f ol l ow ing : I n sert l ock b u tt on u p th roug h in n er d oor p l ate, t aking care t o av oi d b end ing l in kag e. On mod els p rod u ced t o 9/20 00 : T il t l ock assem b l y out wa rd whil e l ift in g it in t o p osi t ion insid e t h e d oor . This is d one t o make su re l[...]

Ti gh tenin g torqu es Win d ow to g u id e 8 Nm (71 i n -l b ) Driv e r 's do or l ock c yl inder, re m oving and inst a ll ing On l y t h e d riv er's d oor is equ ip p ed wi t h a l ock cyl in d er. T h e p rocedu re f or remo v ing t h e d oor h and l e rear an ch or on th e oth er th ree d oors is simi l ar to t h at for remo v ing t[...]

On Sed an or Sp ort Wag on : Re p l ace cyl ind er mou n t in g b ol t acce ss h ol e t rim cov er if n ecessa ry. Doo r ha ndle, re m ov i ng and inst a ll ing (t o production date 9/ 2 00 0 ) - On d riv er's d oo r : Re mov e d oo r l ock cyl ind er as d escri b ed earlier. - Oth er d oo rs: Remo v e d oo r h an d l e rea r an ch or. Proce d[...]

Doo r ha ndle, re m ov i ng and inst a ll ing (f r om produ ction date 9/ 2 00 0 ) - On d riv er's d oo r : Re mov e d oo r l ock cyl ind er as d escri b ed earlier. - On oth er d oors: Re mov e door h and l e rea r an ch or. Proce d u re is simi l ar to r emo v in g d riv er's d oo r l ock cyl in d er d escribed earlier. Pu l l ou tsid e[...]

ex ceed measurement A . I f mea su reme n t ex cee d s sp eci f icatio n , p u l l l ev er out wa rd with fin g ers u n til m ea su r eme n t is corre ct . In sta ll ation di sta nce: i nn er do or hand le l ev er to d o o r M ea su r eme n t A l ess t h an 8 mm (0.32 in. ) I n sert h and l e and sn ap int o p l ace. No te: Take care t ha t the do [...]

- Worki n g insid e d oor open ing , sl id e inn er h and l e towa rd f ron t an d remo v e. - I n st al l atio n is rev erse of remov al . No te: I nspect moun t i ng bolt and re pl ace i f ne cessary. Doo r ha ndle inner m ec hanism , re m oving and inst a ll ing (f r om produ ction date 9/ 20 0 0 ) - R emo v e out sid e d oo r h an d l e as d es[...]

Take care t o no t da m ag e i nner doo r gu i de du ri ng remo val and i nstal l ati on . - L oosen h and l e mou n tin g b ol t. - Worki n g insid e d oor open ing , sl id e inn er h and l e towa rd f ron t an d remo v e. - I n st al l atio n is rev erse of remov al . No te: I nspect ha ndl e mou nti ng bolt and rep l ace i f ne cessa ry. Bow de [...]

Set p osi t ion of st rike r : Wh en cl ose d , rear edg e of f ront d oor mu st b e ev en wi th f ront edg e of rear d oo r (Sed an or Sp ort Wag on) or with rear q u arter p an el (Co u p e or Co n v ertib l e). M ax imum d ev iation all owe d mea su red at A . Wh en cl ose d , sh ou l d er of f ront d oo r mu st b e f l u sh t o sh ou l d er of [...]

Ti gh tenin g torqu e b ody p il l ar T runk lock i ng m ec ha nis m T r u n k l ock asse mb l y 1 - Trun k rel ea se micro switch 2 - Conn ecting rod 3 - Lock wi t h microsw itch 4 - Tor x screw M 6 5 - St rike r p l ate 6 - Trim screw 7 - Lock cov er 8 - Tor x b olt M 6 9 - Lock cyl in d er g aske t 10 - Self -t h rea d ing screw 11 - Lo ck cyl i[...]

l ice n se p l ate l igh t strip T h e tr u n k l ock cyl in d er d oes n ot actu at e cent ral l ocking con trol . - T o remov e t h e t ru n k l ock micro swi t ch : Re mov e l icence p l ate l ig h t str ip. Separate electrical h arn ess conn ector f rom st rip. Separate micro switch f rom st rip. T o acce ss tr u n k l ock cyl in d er or l ock:[...]

Re mov e l ock cyl in d er co v er moun t in g screw s ( arr o w s ). Sl id e cov er to rig h t t o remo v e. No te: On Con verti bl e mode l s: Re move thi rd brake l i ght t o acce ss t runk lock mech an i sm. Use new sel f -tapp i ng screw s t o reinstal l trunk l ock cyl i nd er. Pry ou t rear tru n k ed g e t rim caps ( ar row s ) t o acce ss [...]

No te: Do not l ubricate l ock or l ock stri ker w i t h gre ase . T a il gate l ock , e m erge ncy re le ase T h e Sp ort Wag on t ai l g ate can b e u n l ocked u sin g th e cen t ral l ocking swi tch , th e l eft d oor key or th e F Z V remo t e en try syst em. The t ai l g ate can b e open ed b y p u sh in g t h e t ai l g ate release b u t ton[...]

6 - Rea r wind ow l ock st rike r 7 - Tai l g ate lock 8 - Tor x b olt M 8 9 - Tai l g ate lock striker 10 - Lo ck p l ate 11 - T ailg ate release micro swi tch 12 - T ailg ate g rip 13 - T ailg ate g rip g asket 14 - T ailg ate T o remo v e tailg ate l ock m icro switch : Re mov e l icense p l ate l ig h t str ip. Separate electrical h arn ess con[...]

T o remo v e tailg ate l ock st riker: Op en tailg ate and p ry ou t l ock striker trim f rom b ott om of t ai l g ate. Re mov e one striker moun t in g screw ( ar row s ). T h rea d in M 8 st u d to keep str ike r l ock p l ate f rom f all in g in side d oo r. Re mov e second screw an d st rike r. Re in stal l st rike r b olt s fin g er tig h t. A[...]

T o remo v e rea r wind ow l ock: Op en tailg ate. Remo v e tailg ate t rim p anel . De t ach wind ow l ock el ectrica l h arness conn ector ( A ). Re mov e l ock mou n t in g screws ( ar row s ). Sl ide l ock out f rom u n d er rear wi n d ow w ip er motor . Re in stal l l ock moun t in g b ol t s fin g er tig h t . A d j u st l ock p osi t ion b [...]

Tail gate and re ar w in d ow po siti on gap adju stm ent R ear sp oi l er / sid e p anel ( A ) 3.75 ± 1.3 mm (0.15 ± 0.05 in. ) R ear wind ow / sid e p anel ( B ) 3.5 ± 1.4 mm (0.14 ± 0.06 in. ) T ailg at e / side p anel ( C ) 3.6 mm ± 0.75 mm (0.14 ± 0.03 in. ) T ailg at e / side p anel (heig h t) fl u sh to 2 mm (0.08 in .) l owe r T ailg [...]

515-4 El ectron i c I m m ob i l i za ti on (EW S) E46 cars are eq u ip p ed with a passiv e th eft -p rev ent io n system. T h e El ectron ic I mmob il iza tion S ystem (EW S 3.3) make s it impossibl e to st art t h e en g ine u sing an y m ea n s oth er t h an t h e sp ecia l keys fu rn ish ed with t h e v ehicl e. No te: EW S i s someti mes al s[...]

ten keys. On l y an au th orize d BM W d ea l er can p rov id e re p l aceme n t keys. No te: I t i s possi ble t o da mage t he electronic ci rcui try i n t he key, ren dering i t unu sable. I n that case, a ne w key sho ul d be p urch ase d an d i ni t i al i z ed b y an au t ho ri z ed BMW de al er. Starti ng w i t h 20 00 mod el s, t he ba t te[...]

Di scon n ect electr i cal h arn ess conn ectors at l eft f oo twell t rim p an el and remov e p an el : Unp l u g conn ector at f oo twell int eri or l igh t ( A ), if eq u ip p ed . Sl ide l ock at O BD II conn ector ( B ) in d irectio n of ar row . Unp l u g conn ector at sp eake r if equ ip p ed ( C ). Re mov e EW S con trol modu l e h arn ess [...]

- Gent l y work ring an ten n a off key cyl ind er. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cen t ra l L ock i n g an d An ti- Th eft h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 4 of 4 2/ 25/ 2009 11: 00 PM[...]

515-5 A n ti -T h e f t A l a rm (DW A ) T h e DWA an t i-th eft syst em is a d ealer inst all ed acce ssory opt ion. A l l E 46 v ehicl es are f actory p rep are d to p rov ide th e DWA f u n ct ion. This means t h at t h e v ehicl e is p rewi red and t h e G eneral M odu l e (G M V ) is p r eprog ramme d f or th e syst em. Ho w ev er, on ce th e [...]

A nt i-t heft and al ar m syst e m (DWA ) (Se dan m odel s ) DWA a la rm arm i ng/dis a rm i ng T h e DWA al arm is armed ev e ry time th e v ehicl e is l ocked f rom th e ou tsid e with th e d oo r l ock cyl in d er or FZ V key. T h e LED in t h e rear v ie w mirro r f l ash es as an ackn ow l edg men t, alon g with fl ash in g ex t eri or l ig h [...]

an activ atio n compon en t . I f aft er 3 seco n d s an y inp u t sig n al n ot in CLOSED statu s is ex cl u d ed ( th is is ackn owled g ed b y th e DWA L ED) p rev entin g f alse al arm activ ation. I f t h e DWA is arme d a second t ime wi th in 10 seco n d s, t h e t il t sensor and int erio r p rotection sen sor are a l so ex cl u d ed as al [...]

Doo r c ont a cts T h e d oor l ock Ha l l effect sensors p r ov i d e statu s of d oo r O PEN/CL OSED: Wh en th e d oo r l atch is CL O SED, cu rren t fl ow t h rou g h t h e sensor is <5 mA . Wh en th e d oo r is O PEN, cu rrent fl ow t h roug h th e sen sor is >12 mA . With t h e DWA armed, t h e GM V will activ ate t h e siren if it rece [...]

th e key, t h is switch p rov id es a g roun d sign al to t h e G M V p rev entin g t h e DWA fr om activ atin g if armed. Hoo d contact sw itch Lo cated on th e righ t side eng in e compartmen t , th e h oo d con t act switch ( ar row ) p rov ides a g roun d sign al t o t h e GM V sign ifying an op en h oo d . The p l u n g er of th is switch can [...]

Tabl e a. DWA L ED sta tus D WA status DWA LED cond i tio n A rmed wi th on e or mor e mon i t ore d i n p u t s n ot in C LOSED p osi t io n (tru n k n ot cl osed, etc.) Ra p id f l ash f or 10 seco n d s, t h en cont inu al sl ow f l ash A l arm activ ated Rapid fl ash for 5 minu t es, th en cont inu al sl ow f l ash R ear med in l ess th an 10 s[...]

and is cu rren t l y mon itoring th e v ehicl e an g l e. b . If t h e t ilt sensor d etects a ch ang e in t h e v eh i cl e ang l e when DW A is armed, th e NG sign al is switched to in f orm th e G M V to activ ate th e sire n . Wh en th e til t sen sor rece iv e s t h e ST DW A sig n al f rom t h e GM V , t h e ang l e of t h e v eh icl e is mem[...]

p artia l l y op en wind ow) an d adap ts f or th is. I f t h e echoes are con sistent l y similar, n o mov ement is d etected. I f th e echoes are alt ere d or incon sistent , t h e UI S ch an g es to a con st ant cycl e and t h e echo is compared ag ai n . I f t h e incon sisten cy is stil l p rese n t t h e UI S sen d s t h e activ ate sire n si[...]

T h e modu l e operates in p u l se mode. T h e radar u n it t ransm its a sig n al , th en p auses f or t h e refl ected sig n al s t o b e rece iv ed b y th e mod u l e. T h e d etectio n rang e o f t h e radar is adj u sted b y r apid switch in g wh en t h e system is armed. T h is al l ows t h e sensor to ad j u st its ran g e t o ei t h er t h[...]

th e alarm syst em: KL 30 (p owe r ) KL 31 (g rou n d ) ST DW A sig n al ( arm/d isa rm sig n al from G M V ) NG sig n al (activ ate sire n out p u t sign al to t h e G M V ) T h e arm/d isa rm ou t p u t sig n al from t h e GM V (STD W A ) is p rov ided to th e til t sensor, UI S sensor an d th e sire n simul tan eo u sl y. The arm/d isa rm sig n [...]

T h e EW S sig n als th e GM V t o u n l ock th e d oor s an d to d ea ct iv ate th e DWA . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Cen t ra l L ock i n g an d An ti- Th eft h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 11 of 1 1 2/ 25/ 2009 11: 00 PM[...]

520-1 Gen era l T h is r epair g roup cov ers remo v al an d inst all at io n of t h e f ront an d rea r seats. Se at de s i gn and uphols tery T h e fron t sea t s in stal l ed in E46 cars come in eith er manu al or p owe red v ersi ons. They off er firm su p p ort and comfort. Th ei r in tern al con st ru ct i on is eng in ee red to wo rk tog eth[...]

Cush ion h eigh t He ad r estrai n ts. Se at m e m ory sys tem I n cars with seat memory, th e d riv er's fron t sea t in corporates two cont rol modu l es: O n e in t h e seat ad j u st ing swi t ch ( ar row ) and th e second u n d er th e seat cu sh io n . The t wo mod u l es p roce ss t h e f oll owi n g : Sea t ad j u stmen ts Co mf ort en[...]

of th e sea t memory system are monitored for f aul ts. A ccess t h e fau l t codes u sin g BM W scan t ool DI S or M oD iC . I n Coup e an d Co n v ertib l e model s, t h e ea sy en try f ea t u re f aci l itates acce ss t o th e rear sea t s. Wh en a fron t b ackrest is fol d ed ov er, t h e en tire sea t mov es forwa rd 90 mm (3.54 in. ) to faci[...]

P a ss e nger sea t m e m ory m odule Seats h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 4 of 5 2/ 25/ 2009 11: 03 PM[...]

Rea r seat c onf i guration Sp l it rea r f ol d ing seats are o p t io n al in th e Sedan an d stan d ard in th e Sp ort Wag on an d Coup e. They are sp l it 1/3 righ t to 2/3 l ef t with a f old in g cen ter armre st in th e l eft p ortio n . The armrest, when f ol d ed d ow n , is equ ipp ed with a storage comp artment an d cu p h old ers. Co py[...]

520-2 Fron t Sea ts Sea t remov al and in st all ation is similar for al l v ersi ons. Sea t d isasse mb l y d iffers in d etai l among t h e man y model s of seats. Sea t rep air and compon en t repl aceme n t is p ossibl e once t h e sea t h as b ee n remo v ed fr om th e v ehicl e. Front s e a t, re m ov ing and ins ta lli ng WA RN I NG! Th e fr[...]

Do n ot ex p os e p yr ote chni c co mpo nents to tem p er atu res abo ve 75 °C (167 ° F ). Pyr ote chni c co mpo nen ts c an o n l y be teste d elec t rica l ly w h en in sta ll ed, us i n g B MW se rv ice tes ter DI S, MoD i C o r equ ivalent sc an too l. Do n ot fire a pyr ot ec h n ic ga s g enera to r p rio r to di spo sa l . I t mu st be fi[...]

Re mov e p l astic cap s ov er f ront sea t moun t ing n u t s, th en remo v e moun t i n g n u t s ( arr o w s ). - Di scon n ect n eg ativ e (-) cab l e from b attery. CA UTI ON! Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o f th is ma n u al on p ag e vii i . T il t seat b ac[...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Seats h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /5... 4 of 4 2/ 25/ 2009 11: 03 PM[...]

520-3 Rea r Sea ts Rear seat c us hion a nd bac k rest , r em oving a nd ins ta lli ng (f i x ed seat ba ck m odel s) - Pu l l fron t of rea r seat cu sh io n u p to rel ea se cl ip s. Wh il e h old in g fron t of cu sh ion u p , p u l l cu sh ion forwa rd t o remo v e. Re mov e rea r seat b ackre st : Pu l l top out er corn ers of b ackrest forwa [...]

- Pu l l fron t of rea r seat cu sh io n u p and out of cl ips. Wh ile h ol d in g fron t of cu sh ion u p , p u l l cu sh ion forwa rd t o remo v e. - T il t b ackre st s forwa r d . No te: Re move rea r hea drests, i f eq u i pp ed , by pu l l i ng strai ght up . Re mov e b ackre st sid e sectio n b y p u l l in g ou t ( A ) and u p ( B ). - Work[...]

540-1 Gen era l T h is r epair g roup cov ers th e sl ide-t ilt su n roo f assembl y. Co mp on en t l ocatio n s, initializatio n , su n roo f p an el repl acem ent , an d su n roo f h eigh t adj u st ment are cov e red. Re p l ace m ent of t h e cabl e asse mb l y or frame requ ire th at t h e h eadl i n er b e remo v ed. Remo v al an d rep air of[...]

Press and h ol d su n roo f switch in " l ift" d ire ct ion. A ft er reaching en d p ositio n , kee p swi t ch p ressed for ap p rox ima tel y 20 second s l on g er. T h e su n roof motor wi l l b riefl y j erk u p wa rd s, sig n al l in g n orma l iza tion is compl ete. Char acte ris ti c curv e T h e ch ara cteristic resi stance cu rv e[...]

I n sert h ex key int o d riv e in su n roof motor, an d t u rn h ex key t o manu al l y cl ose su n roo f. No te: The he x key f or man uall y (emerg ency) cl osing the sun r oo f can be f ou nd i n t he tool ki t l oca t ed i n the trunk l i d (seda n, cou pe an d conve rti bl e) or und er t he carg o area f l oo r pan el (Spo rt W ag on ). Sunro[...]

Su n roof h as b een remov ed Wh en ev er th e top of th e cl ose d su n roof b eco m es misa l ig n ed wi t h t h e roo f of th e car, if it d oes n ot cl ose squ are l y, if th ere are wind n oise s at sp ee d , if th ere are water l eaks, or if t h e su n r oo f h as b ee n remov ed. Co rrect su n roo f alig n men t: Su n roof mu st b e fu l l y[...]

T h e su n roof p an el is retained b y t h ree T orx screw s ( arr o ws ) on ea ch sid e. T o adj u st su n roof h ei g h t : Lo osen T orx screw s u n til su n roof can j u st b e mov ed . Pu sh su n roof p an el f orwa rd . Pu sh su n roof p an el u p or d own u n t il correct h eigh t is ach iev ed . T ig h t en screws. Recheck h eigh t . Check[...]

540-2 Su n roof Com pon en ts Su n roof asse m b l y remo v al an d inst all at io n in v ol v es h eadl in er remo v al, and is n ot cov ere d in t h is man u al . A f ter su n roo f repairs b e su re to f oll ow initializatio n an d adj u st men t p roce d u res g iv en ear l ier. Sunroof a s sem bly 1 - To rx b o lt M 5 2 - Sli der 3 - Gl as s s[...]

(31 in -l b ) 16 - Eme rgency op er ati on cra nk hand l e 17 - He x b o lt wi th washer 18 - To rx b o lt M 4 Sunroof pane l, re m ov i ng and inst a ll ing T o remo v e su n roo f p an el , open su n roo f and remov e wind b l ocke r b y remo v ing T orx screw ( arr o w ) on ea ch sid e. Close su n roof an d sl ide su n roo f l in er b ack int o [...]

A d j u st su n r oo f h ei g h t an d g ap as d escribed ear l ier. Ti gh tenin g torqu e Win d b l ocker to roo f (T orx ) 1 Nm (9 in -l b ) Su n roof p an el to roo f (T orx ) 4.5 Nm (40 in -l b ) Sunroof pane l gasket, re pla c ing - R emo v e su n roof p an el as sh own abov e. Pu l l old sea l f rom p anel . Co at n ew sea l and ch ann el in [...]

rea rmost edg e with a p l astic tool. Re mov e su n r oo f m otor moun t in g screw s ( ar row s ). - I n st al l atio n is th e rev erse of remo v al. Perf orm int itia l iza tion p roce d u re as d escribed earlier. Ti gh tenin g torqu e Su n roof motor to su n roo f carrie r 2.8 Nm (25 in -l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All [...]

541-1 Gen era l T h is r epair g roup cov ers th e aut oma tic electro-hyd rau l ic conv ertibl e top . I n formatio n on th e Roll ov er Protection System is also incl u d ed h ere . No te: The con verti ble top con tr ol mod ule (CVM I I) i s l oca ted be hi nd the l ef t rea r si de tri m pan el . F or the l oca t i on of ot he r con verti bl e [...]

Con vertible ba tt ery BM W h as d esi g n ed a sp ecia l b attery t ray for t h e Conv ertib l e wh ich serv es to d ampen Co n v ertib l e b od y f l ex in g an d v ibrat io n . CA UTI ON! Th e E46 Co nver ti b le requ i res a specia l batter y w h ich is desig n ed fo r co n sta n t vibratio n . A batter y n ot desig n ed f o r thi s w il l fail[...]

T op monitoring d u ring op era tion u sin g Hall sen sors and an g l e Hall sensors Em e rge ncy opera tion - M a n u al l y u n l ock top st orage cov er: Re mov e cent er arm rest. Li f t sea t u p h ol st ery b elow ski b ag . Press b u t ton on motor asse m b l y to release motor f rom g ea r l inkag e. Use h an d crank (st ore d on asse m b l[...]

- Worki n g in t ru n k, remov e tru n k t rim l iner an d soun d p roofing . I f n ecessa ry, p artia l l y remo ve h yd rau l ic u n it t o g ai n v iew of f il l p l u g an d fl u id refere n ce mark (circle). DO NOT d etach h yd rau l ic l ines. T o ch eck: Le v el mu st b e b etwe en M AX and M IN marks. Re f erence mark is circl e in tran sl [...]

C o nver t ibl e to p fl ui d H yd rau l ic f l u id A ral V itamol Ti gh tenin g torqu es Fil l er p l u g to h yd raul ic u n it 10 + 1 Nm (89 + 9 in-l b ) H yd rau l ic u n it t o b ody 10 Nm (89 in-l b ) No te: The con verti ble t op hydra ul i c f l ui d i s sup pl i ed i n t he spa re pa r ts ki t . T o restock fl ui d, che ck w i t h an au t[...]

Con vertible T op M odule (CVM II) T h e CV M I I is inst all ed in t h e l eft rear of th e car b ehin d th e side t rim (n ex t to th e sea t ). It con tain s t h e p rocessi n g , cont roll ing an d monitoring el ectronics f or top op eratio n . T h e CV M I I commun icates wi th th e Gen era l M odu l e (GM V ) ov er th e K-b u s for op era tio[...]

Fault m e m ory s torage Co n ve rt ibl e To p M od u l e (CV M I I ) fau l t memo ry is st ore d in NV R A M . Up to 16 fau l t cod es can b e st ored in order of occurren ce. A d istin ct io n is mad e b etwee n p ermanen t and sp oradic f au l t s. I f a fau l t occurs d u rin g r ai sing or l ow eri n g th e top , all t op m ov ement wil l cea [...]

cea se ope r ati on i f the hyd rau l i c fl uid tempe rature exce ed s 95°C (20 3°F ). Ho w ever , any functi on s t ha t have be en started w i l l be co mpleted be f ore the system i s sw i t che d off. If t he t emp era ture exce eds 10 5° C (22 1°F) t he system i s i mmed i atel y sw i t che d o f f. Cl ose the top using the eme rgen cy cl[...]

Win d sh ield l ock sensor p rov id es l ow sign al when top frame is un l ocked f rom wi n d sh ield . LED in con v ertib l e top switch wi l l fl ash . T en sion p oint p ositio n sen sor p rov ides h ig h sig n al wh en t op f rame is raise d p ast t en sio n p oin t. The an g l e sen sor p rov ides a l in ea r v ol t age si g n al in p u t t o [...]

T h e conv ertib l e top st ora g e comp artment cov er l ock motor is on d riv eshaft tu n n el u n d er rear sea t . It con sists of a motor wi th Ha l l sensor, g ear asse m b l y and t wo b ow d en cab l es con n ected to cov er l ocks on two sides of cov er. The Hall sen sor d etects l ocke d /u n l ocked p ositio n of cov er. Durin g conv ert[...]

when soft top is r ai sed or remo v ed f or h ard t op inst al l ation. T h e p l astic v ari ab l e comp artment f l oo r is h in g ed at f ou r p oi n t so t h at i t can articul ate and b e rotated u p in t o top storage sp ace. A l ev er on righ t side of v aria b l e fl oo r actu ates and l ocks fl oor int o p ositio n . A d ampen in g p iston[...]

541-2 Con v erti bl e T op Com po n en ts M ec hanic a l to p com ponents T h e metal fol d in g fr ame of t h e t op is b olt ed t o th e sides of t h e car b eh ind th e d oo r p il l ars (B-p il l ars). T h e th r ee l ayer soft top con sists of: Fab ric out er l ayer M idd l e fl ee ce l iner I n n er l in er Re f er t o th e acco mp an yin g i[...]

fra me cove r 7 - Eme rgency me chani sm cove r 8 - Eme rgency op er ati on cra nk 9 - Tensio n rop e In sulatio n 10 - Tensio n b ow 11 - Ha l l sensor 12 - Gas pres surized spring 13 - M ai n p i ll ar Ha l l se n sor 14 - Consol e 15 - Wi nd shi eld latch (l eft side) Hydrauli c s y s te m re pai rs CA UTI ON! Wh en w or kin g on h ydrau li c sy[...]

On ce h ydra u l i c li n es h av e been di sc o n n ect ed fro m hydra ulic co mpo nents, to p mu st n o t b e mo ve d. F l u id wi ll leak fro m se p ar ate d co upli ng. A v o i d scr atc h i ng hydrau li c p i sto n ro ds. Even p aint mist and w eldi n g spo ts ar e h arm ful. Wh en w or kin g aro und hydrau li c cy l i nd er s, co ver w i th a[...]

cy l in d er s: Op era t e on t op frame l in kage t o rai se and l owe r b ow Lo cated on two sides of ten sion b ow , at sid es of rea r wi n d ow A n g l e Ha l l sensor on l eft t ension b ow l inkag e d etects b ow p osi t ion Hydrau l ic l in es f or righ t ten sion b ow cyl ind er rout ed u n d er t op f abr i c alon g ten sion b ow 2 - M ai[...]

3 - To p storage compar tment cove r h ydra ul i c cy l in d er s: Op en and cl ose storage compartmen t cov er Lo cated in t ru n k Le f t cyl ind er equ ip p ed with Ha l l sensor t o d etect fu l l y open ed p osi t ion of cov e r 4 - Sol enoi d valve bl ock on left side of to p fra me: Solen oi d V 1 cont rols op era tion of mai n p il l ar h y[...]

I n l eft side of tr u n k b ehin d t rim M ou n ted on ru b b er b u sh in g s and cov ered b y soun d insu l atio n Unit consists of: Hydrau l ic motor an d p u mp , Storage cov er solenoid v alv e, Drai n solen oid v alv e, Hydrau l ic f l u id rese rv oi r, Hydrau l ic fl u id t emperatu re sensor Op era t es at p ressur es of u p t o 20 0 b ar[...]

Tab le a. De fin iti o n o f h ydra ul i c sy stem term s Term A cti on Notes Hydrau l ic syst em at zero p ressure T u rn ign ition t o 0 p ositio n . Wait 15 seco n d s. Hydrau l ic syst em h as n o or v ery l ow p ressure. Unt ensioned state M ech anica l (eme r g ency) actu atio n O p en or cl ose top b y h an d . See Emerg ency op era tion Clo[...]

O p era ti on Pr o ce d ures l id. Fol l ow d irectio n s in Hyd raul ic fl u id l ev el , ch ecki n g or fil l in g , earlier in t h is g rou p . Fl u id top p in g u p or d rainin g Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Con v er t ib l e Top h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai[...]

[...]

forwa rd so t h at roll b ar can b e p u sh ed d ow n and l ocked in t o th e solen oids. WA RN I NG! Ensu re that are a abo ve and adj ac ent to ro l l o ver b ar s re main s cle ar and u n obstr uc ted at all ti mes . CA UTI ON! I t is not pos sib l e to clos e co nver tib le top w i th ro l lov er bars exte n ded. I f a h ar dtop i s mo u n ted,[...]

600-1 Gen era l A b rie f d escript io n of t h e p rincip al p arts of th e elect rica l syst em is p resented h ere . A l so cov ered h ere are basic electrical system t rou b l eshooting tip s. See also 121 Battery, A l t ernat or, Starter . Ele c trica l test equipm ent M any el ectrica l t ests d escri b ed in t h is manu al cal l f or mea su [...]

A u t omo t iv e d igital m u l t imete r F l u ke 87 LED t ester wi t h th in sp ad e p rob es Baum 1115 (Source: Bau m To ols Unl imited) Scan tools BM W D I S/M oDi C A ft ermarke t scan tool Baum CS20 00 (Source: Baum T oo l s Unl imited) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Elec trica l Sy stem - Gen er al h t[...]

600-2 E46 El ectri ca l Sys tem E46 cars are el ectrica l l y compl ex . M an y v ehicl e systems an d su b systems are int erco n n ected or in teg rated. I n add ition, t h e req u ireme n t s of second g eneratio n O n -Board Di agn ostics ( OBD I I) are su ch t h at th ere are now many more circuits an d wi r es in th e v ehicl e th an ev er b [...]

Tabl e a. E46 bu sse s Bus Circ ui ts cove red Co d ed an ti-th eft (EWS I II ) and an t i-th eft (DWA ) Re m ote ent ry (FZ V ) Park d istan ce cont rol (PDC ) M -b u s Hea t ing and air cond itionin g (I HKA ) compon ent s CA N -b u s En g ine man agement system (DM E) T ran smissio n con trol (A GS) A n t ilock b r ake s (A BS) T raction con tro[...]

Voltage a nd polari ty T h e v ehicl e el ectrica l system is a 12- v olt d irect cu rren t (DC) n egativ e-grou n d system. A v ol tag e reg u l ator cont rol s system v olt age at app rox i mately 12- v ol ts. A l l circu its are g roun d ed b y d irect or ind ire ct con n ection t o th e n egativ e (-) terminal of t h e b att ery. A n u mb er of[...]

mai n f u se b ox ( ar row ) abov e t h e g l ov e compartmen t . Fu ses are col or coded t o ind ica t e cu rren t capacities. T h e relays an d cont rol mod u l es are moun t ed in v ario u s p l ace s th roug h out th e v ehicl e. See 610 El ectrical Co mp onen t Loca t ions . Central B od y El e ctronics (Z KE V) E46 v eh icles are equ ip p ed [...]

Ot h er f u n ct io n s are n ot d irectl y cont roll ed b y t h e GM V b u t int erco n n ected : Ra in sen sor (A IC ). See 611 Wip ers and W ash ers . Su n roof op era tion ( SHD ). See 540 Su n r oo f . Sea t m emo r y (SM ) an d electrical operatio n . See 52 0 Seats . Ou tsid e rea r-v ie w m irro r con t rol an d h eating . See 51 0 Ex t eri[...]

a fau l t cod e (DT C) will b e set. Re sett in g an d resyn ch ronizing of cod es and d ata req u ires th e u se of BM W scan tools DI S or M oD iC . Car M e m ory /Key M e m ory A n u mb er of featu res and f u n ctions can b e cu st omi zed to t h e d riv er(s) p reference. T h e iden tity of t h e v ehicl e u ser is p rov ided b y a sig n al f [...]

K-b u s Do or j amb sensors T r u n k l id l ock cyl ind er micro switch I n t eri or t ru n k l id r elease p u sh -b u tt on microswi t ch Ce n t ral l ocki n g b u t ton En g in e h ood l atch micro sw itch T r u n k key p osi tion switch I n t eri or l igh t switch I n t ernal motion sensor T il t sensor Dri ve r' s d oo r l ock sensors No[...]

A n ai rbag unit hou ses an ex p l o si ve p o w erfu l char ge . Mak ing repairs wi th ou t the pro p er kno w l edg e and spec ial tes t equ i p me n t ma y ca u se se ri o us pers onal inj u ry. See 721 A irbag Sys tem (SRS) . Th e i g n i tion sys tem of the car o p era tes at lethal vo l tag es. Peo p le wi th pace ma ker s or w ea k hear t s [...]

the fro n t of th is ma n ua l o n pag e viii . Co n nect and di sc onnec t i g n iti on sy stem wires , mu lt ip le co nn ecto rs and igniti o n tes t equ i p me n t l ea d s only wh i le t he igniti o n i s o ff. Do n ot di sc o n n ec t th e b atte ry wi th th e engine ru n ni n g . Do n ot quick -charg e the batter y (fo r boo st sta rtin g) fo[...]

Do n ot try to sta rt th e engine o f a ca r w h ich has been h eate d ab o ve 17 6F/ 80C , (fo r exa mple, in a pain t drying boo th) . A ll o w it to co o l to nor mal t em p era tur e. Disc onn ec t the batter y b efo re doing any elec tric w eld in g on t he ca r. Do n ot wash th e eng in e wh i le i t is ru nn i n g , or a nyti me the igniti o[...]

600-3 W i ri n g Di a gra m s T h e wi r ing d iagrams sh own in El ectrica l W iring Dia g rams h av e b een sp eci al l y d esign ed to en ab l e q u ick an d efficie n t d iagn osis and t roub l eshooting of elect rica l m alf u n ct io n s. Wi ring c odes and abbre v i ations A l ot of in formatio n is in cl u d ed in each wi rin g d iagram if [...]

Tabl e b. W ire colo r codes Germ an code Eng l ish code Colo r GR GRY Grey ORG Oran g e RT RED Re d V I V I O V io l et WS W HT Wh ite GE YEL Yell ow M ost t ermi n al s are iden t i f ie d b y n u mb ers on comp on ent s and h arn ess conn ectors. T ermi n al n u mb ers f or major el ectrica l con n ections are sh ow n in th e d ia g rams. T h ou[...]

Tabl e c. T erm i n al and circ u it nu mbers Number Circ u it desc rip ti o n 30 Battery p ositiv e (+) v olt ag e. Su p p l ies p ow er when ev er b attery is con n ected . (No t d epen d en t on ign ition switch p osi t ion, u n f u sed ) 31 Grou n d , b att ery n egativ e (-) t erminal 50 Su p p l ie s p owe r f rom b attery t o st arter solen [...]

Abbrev iatio n Compon ent o r sys tem Abb re viation Compo n ent o r sy stem A DB, A DB-X a u toma t ic d ifferent ia l l ock LEV l ow emi ssion v eh icl e A G S ad apt iv e transm issi on cont rol LSZ l igh t swi tch mod u l e A I C rai n sen sor M A F ma ss air fl ow sensor A SC tractio n con trol M BC max imum b r aki n g con trol A UC au tomati[...]

Abbrev iatio n Compon ent o r sys tem Abb re viation Compo n ent o r sy stem GM g eneral mod u l e (see ZKE) SRS su p p l ement al restraint system-ai rb ag HPS h ead p rote ct io n syst em TC M tra n smissio n con trol modu l e I HKA au toma t ic h ea t in g and air cond itionin g system T DC t op d ead cent er I HKR man u al h ea t in g and air c[...]

600-4 El ectri ca l T rou bl es h oot i n g Fou r t h in g s are req u ired f or cu rren t t o fl ow in an y el ectrica l circu it: a v olt age source, wi res or conn ections to tran sp ort th e vo l t age, a l oad or d ev ice th at u ses t h e elect rici ty, an d a conn ection t o g roun d . M ost p robl ems ca n b e f oun d u sin g a d igital mu [...]

compon ent s or conn ections in t h e wi rin g h arn ess. W h en con n ectin g j u mp er wire s, u se b l ad e conn ectors at th e wire end s th at match th e size of t h e terminal b ei n g t ested. The small int ernal con t acts are ea sily sp read apart, an d th is can cause in t ermi t t ent or fau l ty con n ections th at can l ea d t o more p[...]

resist an ce as small as 0.02 ohms w ould result s i n a 3 volt dro p i n a typi cal 150 amp st arter ci rcui t. (15 0 amps x 0.02 oh ms =3 volt s). Kee p i n m i nd t ha t volt age w i th t he key on an d volt ag e w i th t he eng i ne run ni ng are no t the same . W i t h t he i gn i ti on on a nd the eng i ne off (ba t t ery volt ag e), vol tage[...]

Voltage drop, test i ng V olt age d rop can on l y b e ch ecke d when t h ere is a l oa d on th e circuit, su ch as when op erating th e starter motor or tu rn ing on t h e h eadl ig h ts. A d igital mu l t ime ter sh ou l d b e u sed t o ensu re accu rate rea d in g s. Co n n ect d ig ital mu l t ime ter p ositiv e l ea d to p ositiv e (+) b att e[...]

for f aul t s u sin g an ohmmeter. A n op en circuit or a circuit with h igh resista n ce wi l l n ot al l ow cu rrent to f l ow. A circu it wi t h l itt l e or n o resistance all ow s cu rrent to f l ow ea sil y. Wh en ch ecki n g cont in u ity, t h e ign ition sh oul d b e off. On circu its t h at are p ow ered at all t imes, th e b att ery sh ou[...]

b attery v ol t age), a fu se will b l ow and th e circu it m ay p ossi b l y b e d amaged . Sh orts t o g rou n d can b e l ocated with a d igital mu l t ime ter. Sh ort circuits are often d iff icu l t t o l ocate a n d may v ary in n atu re. Sh ort circu its can b e f oun d u sing a l og ical app roa ch b ased on cu rrent p ath . CA UTI ON! On c[...]

p anel and mov e or wi g g l e wire s whil e observ ing mete r. Cont inu e t o mov e d ow n h arness u n t il mete r d ispl ays a rea d ing . T h is is t h e l oca t ion of sh ort t o g rou n d . - V isual l y insp ect wire h arn ess at th is p oi n t for an y fau l t s. If n o fau l t s are v isibl e, carefu l l y sl ice open h arness cov er or wi[...]

th is p oi n t for an y fau l t s. If n o fau l t s are v isibl e, carefu l l y sl ice open h arness cov er or wi re insu l atio n for f u rt h er in sp ectio n . Repai r an y faul t s f oun d . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Elec trica l Sy stem - Gen er al h tt p: // e bah n .ben t l e y pu bli s h e rs .co[...]

610-1 Gen era l T h is r epair g roup cov ers fu se, rel ay and cont rol mod u l e l oca tion inf orma t ion. G rou n d p oint s an d oth er compon ent l oca t ions are a l so cov ered, p rima rily v ia ph otos or ill u str atio n s. For add itional E46 electrical system inf orma t ion, see: 60 0 El ectrical System– General . El ectrica l W iring[...]

caution s b ef ore d oing an y work on your electrical system. WA RN I NG! Th e b att er y sa fety term i nal, pyro tec hn ic sea t b elt tensio n ers , and airbag s u t il ize explos ive dev i ce s and mu st be h and led wi th extr eme car e. Re fer to th e warnin gs and cau tions in 121 B atte ry , A l terna to r, Starte r ; 72 0 Seat B elts ; an[...]

On l y u se a di g ital mu l ti me ter fo r elec trical tests . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Elec trica l Com pon e n t L oca tion s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 3 of 3 2/ 25/ 2009 11: 08 PM[...]

610-2 Fu s e Pos i ti on s T h ere are th ree locations f or f u ses in E46 cars: M ai n h arness f u se in t ru n k Fu se pan el ab ov e g l ov e compartmen t E-b ox in eng in e comp artment l eft side No te: I n BMW repa i r i nforma t i on, f use s are num be red F 1 throu gh F108 . There are tw o fuses w i th t he same de si gnati on : F 5 i n [...]

Pee l b ack l iner t o acce ss F 10 8 (20 0 amp ) f u se ( a rr o w ) in mai n p ow er d istrib u tion circuit. Ele c tronics box (E-b ox) fus e ca rri er Fig . 2 En g in e el ectronics f u se p ack in E-b ox : Working in l eft rea r of eng in e compartmen t, remo v e E-b ox p l astic cov er. Pu sh on h old -d own l ock cl ip ( A ) to release fu se[...]

Tabl e a. E-b o x fu se p ac k Fu se R ating Protecte d circ u it s (20 01 model s) 2 3 0A D M E con tr ol modu l e (ECM ) Ev aporativ e emi ssion s v al v e Fu el inj ect ors I d l e sp eed cont rol v alv e Re son an ce v alv e, int ake ma n ifol d Seco n d ary ai r inj ection p u mp Su ction j et p u mp v alv e, LDP system V anos sol en oi d s 3 [...]

M ain fus e pane l Fig . 3 F u se p an el abov e g l ov e compartmen t: Op en g l ov e compartmen t d oor. Working in side comp artment , t wi st ea ch p l astic l ock t ab ( ar row s ) at top of comp artment 90°. Pu l l d own on f u se p an el t o swi n g it d own. No te: W hen t he fuse bo x i s up i n l ocked po si ti on, t he plasti c tabs sho[...]

foun d on t op of t h e g l ov e compartmen t fu se p anel b eneath an access p an el. Lo wer g l ov e compartmen t f u se p an el fu l l y. Sl ide h arn ess con n ector b l ock off top of p an el ( curve d ar row ). De t ach access pan el b y sq u eezi n g retainin g cl ips ( ar row s ). Fig . 4 High amperage f u ses ab ov e mai n f u se p an el: [...]

Tabl e b. High ampe rage fu se po siti on s Fu se R ating Protec ted circuits 10 6 50A Ligh t switchin g cent er cont rol modu l e 10 7 50A Ligh t switchin g cent er cont rol modu l e T r ai l er modu l e 10 8 20 0A M ai n h arness f u se (in t run k, see F ig . 1 ) E46 main fuse pan el Tab le c. 19 99 fuse po siti on s Fu se R ating Protec ted cir[...]

Fu se Rating Protect ed ci rc u i t 7 5A Nav igatio n (see al so fu se 41 ) On - b oa r d m onitor (see also fu se 41 ) Ra d io (see al so f u se 41 ) T el ep h on e (see also f u se 39) 8 n ot u sed 9 5A B rake l ig h t Li g h t mod u l e (see also f u se 32) On - b oa r d comp u t er Sp ee d contr ol 10 5A Inst ru men t cl u ster (see also f u se[...]

Fu se Rating Protect ed ci rc u i t 28 5A Hea ter-A / C (see al so fu ses 62 , 63 ) He ater-A / C b l owe r (see also fu se 37 ) 29 5A E n g ine cont rol (see also f u se 30) 30 7.5A En g in e con tr ol (see al so fu se 29 ) OBD II syst em 31 5A O u t sid e mirro r T ire p ressu re cont rol (see also fu se 69 ) 32 5A Ligh t mod u l e (see a l so f [...]

Fu se Rating Protect ed ci rc u i t Pow er wind ow, fron t (see a l so f u se 48) Win d sh ield washer syst em (see al so fu ses 52 , 59 ) 50 25 A Se at h eating 51 30 A H eadl ig h t cl eaning syst em 52 30 A C en tr al l ocking system, t ru n k Gl ov e b ox l igh t I n terio r l ig h t ( see also fu se 49) Passe n g er compartmen t /t ru n k l ig[...]

Fu se Rating Protect ed ci rc u i t 70 30 A Pa ssen g er seat adj u st ment 71 30 A (10 A C oup e) Hi n g ed wind ow (Co u p e) Win d ow, rea r Tab le d . 20 00 -20 01 fuse po siti on s Fu se R ating Protec ted circuit 1 n ot u sed 2 3 4 5 5A Horn (see also f u se 55 ) 6 5A M ake - u p mirro r l ig h t Pow er top (Conv ertibl e, see al so fu ses 12[...]

Fu se Rating Protect ed ci rc u i t 46 ) Sea t h ea tin g (see al so fu se 42 ) Ro l l er su n b l ind (see a l so f u se 42) T ire p ressu re cont rol (see also f u ses 31 , 42, 69) 13 7.5A Roll -ov er p rotection system (Co n v ertibl e) 14 5A E l ectronic immobil izer (EWS) (see al so fu se 6 7) Starter in terl ock 15 5A Rain sen sor Re ar w ip [...]

Fu se Rating Protect ed ci rc u i t 31 5A O u t sid e mirro r (see also f u se 57 ) T ire p ressu re cont rol (see also fu ses 12 , 42 , 69) 32 5A Ligh t mod u l e (see a l so f u se 9) 33 5A A B S/A SC (see also f u ses 12, 42, 53, 56) A BS/DSC (see al so fu ses 12 , 40 , 42 , 53 , 56, 61 ) A BS/DSC al l -wheel d riv e (see al so fu ses 12 , 35 , [...]

Fu se Rating Protect ed ci rc u i t 46 30 A (20 A conv ertib l e) Pow er top (Conv ertibl e, see al so fu ses 6, 12, 35, 42 ) M an u al top (Co n v ertibl e, see al so fu ses 12, 42) Su n roof 47 15 A (20 A ) Ci g are tt e l igh ter / p ow er out l et (A u st ral ia , see also f u se 26) 48 30 A Po wer wi n d ow, fron t ( see also fu se 49) 49 5A A[...]

Fu se Rating Protect ed ci rc u i t 60 25 A C en tr al l ocking (see a l so fu ses 49 , 52 , Sp ort Wag on, see f u se 58) 61 30 A A BS/ DSC (see also f u ses 12, 33, 40 , 42, 53, 56 , 61 ) 62 7.5A Hea t er-A /C (see also f u ses 28 , 63) He ater (see also f u ses 23 , 28) 63 7.5A Hea t er-A /C (see also f u ses 28 , 62) 64 n ot u sed 65 30 A Dri v[...]

610-3 Grou n d Loca ti on s Grou n d s are widel y d istrib u ted th r oug h out t h e v eh icl e b ody. Sev e ral are f oun d u n d er t h e in terio r carp ets. Lug s and con n ectors att ach ed t o g roun d are su scept i b l e t o d amage an d corro sion. Cl ean or renew th em as n ece ssary. Fig . 5 Le f t fron t en g ine compartmen t, b ehin [...]

Fig . 8 Und er l eft f ron t carpet on d oo r sill 1 - Grou n d conn ect or X 17 3 Fig . 9 On d oo r sil l , u n d er d riv er sea t carpet 1 - Grou n d conn ect or X 11 08 2 - Side impact airbag cr ash sensor Fig . 10 Und er rig h t f ron t carpet on d oor sill 1 - Grou n d conn ect or X 49 0 Fig . 11 Be h in d rig h t r ea r seat b ackrest 1 - Gr[...]

Fig . 12 Ri g h t side t ru n k, b eh ind t rim 1 - Grou n d X 49 8 Fig . 13 L eft side tru n k, b eh ind t rim 1 - Grou n d X 13 01 6 Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Elec trica l Com pon e n t L oca tion s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 3 of 3 2[...]

610-4 Com po n en t Loca ti on s On t h e fol l ow in g p ages are p h otos an d ill u strations sh owi n g t h e l ocation of major el ectrica l comp onen t s in E 46 v ehicl es. No te: Every comp one nt i s no t i nstal l ed i n eve ry car. Du e t o cha ng es i n pro du ct i on, comp one nt l ocati on s may vary from w ha t i s i l l ust rated . [...]

1 - A /C rel ay 2 - Seco n d ary ai r p u mp relay 3 - Fu el p u mp rel ay 4 - A /C rel ay 5 - Fog l ig h t rel ay 6 - Ho rn rel ay 7 - General mod u l e (G M V ) Fig . 15 Be h in d g l ov e compartmen t (wi t h h eadl ig h t cl ea n ing syst em) 1 - He ad l ig h t cl ean ing rel ay 2 - Seco n d ary ai r p u mp relay 3 - A /C rel ay 4 - Fu el p u m[...]

Fig . 16 E-b ox 1 - En g ine cont rol mod u l e (ECM ) 2 - A u t oma t ic t ransmissio n con t rol modu l e (T CM ) 3 - DM E main r elay 4 - Win d sh ield washer d ou b l e rel ay 5 - E-b ox t emperatu re sen sor 6 - B+ conn ector 7 - En g ine electron ics fu se p ack 8 - 19 99 - 200 0 mo d el s: Unl oa d er relay 200 1 mod els: fu el inj ector rel[...]

Tab le e. E46 compo nent l ocation s Compon ent Ye ar, mod el Lo ca tio n Re f er to 12 v ol t au x il ia ry p ow er socke t see Powe r socket, 12-v ol t 3/2-w ay v alv e 1999 - 200 0 U n d er car ahead of f u el f il ter, u n d er p rotectiv e co v er A / C b l owe r f inal stag e (resisto r p ack) 19 99 - 20 01 Ri g h t sid e of I HKA h ou sing b[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to A BS/A S C/DSC wa rn ing l ig h t s 19 99 - 20 01 In inst ru men t cl u ster A BS/DSC ch arg e p ressure sen sor 19 99 - 20 0 rea r wh ee l d riv e wi th DSC Ba se of m aster cyl ind er, l eft side F ig. 18 A BS/DSC ch arg e p ressure sen sor 20 01 rea r wh ee l d riv e I n A BS/DSC h yd raul ic u n i[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to reci r cu l atio n system) A irbag conn ect or, p asseng er side 19 99 - 20 01 Ri g h t sid e d ash b oard su p p ort F ig. 41 A irbag conn ect or, steeri n g wh eel 19 99 - 20 01 Un d er steeri n g wheel air b ag F ig . 34 A irbag cont rol modu l e (M RS modu l e) 19 99 - 20 01 Un d er p arki n g b r[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to A n t enn a ampl ifier, d iv er sity Co n v ertibl e O n con v ertib l e t op st ora g e cov er A n t enn a ampl ifier, d iv er sity Sp ort W ag on Be h in d l eft sid e cargo area st ora g e cov er F ig. 57 A n t enn a ampl ifier, mai n Co n v ertibl e Below mast an t en n a in t run k A n t enn a am[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to A SC/DSC switch 1999 - 20 01 Bottom of cent er con sole, l eft of sh ifter A ST see A BS/ A SC en tries A u t oma tic cl imate cont rol (IH KA ) see A / C ent ries A u t oma tic tran smissi on cont rol modu l e (T CM ) 19 99 - 20 01 Left r ea r en g in e com p artmen t in E-b ox F ig. 16 A u t oma tic[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Bl owe r see A / C b l owe r Body electron ics cont rol mod u l e see Gen era l modu l e (G M V ) Brake f l u id l ev el sensor 19 99 - 20 01 To p of b rake f l u id rese rv oi r, l eft r ea r eng in e compartmen t F ig. 17 , Fig . 18 Brake f l u id p ressure sensor see A BS/ DSC ch arg e p ressu re s[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Charg e p ressur e sensor see A BS/ DSC ch arg e p ressu re sensor Chil d p rotection wi n d ow con trol see W ind ow l ock-o u t switch , rear Chime modu l e, p ark d istance con t rol (PDC ) 19 99 - 20 01 In l eft f oo t well t op t rim Clock 19 99 - 20 01 In on-b oard compu t er d ispl ay of i n st[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Co n ve rt ibl e top swi tch Co n v ertibl e Bott om of cen t er co n sol e, ah ea d of sh ifter F ig. 66 Co n ve rt ibl e top ten sion b ow Hall sensor Co n v ertibl e To p rear of con v ertibl e top F ig. 66 Co n ve rt ibl e top vi sor l atch Ha l l sensor Co n v ertibl e To p of wi n d sh ield Fig [...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to DM TL 200 1 see Fu el t an k l ea kag e d iagn osis p u mp (LD P or DM T L) Do or l ock 19 99 - 20 01 In d oor Do or l ock Ha l l sensor 199 9 - 200 1 I n d oor l ock mechan ism Do or l ock micro sw itch 19 99 - 20 01 In d oor l ock mechan ism Dri ve -aw ay p rotectio n see EW S DSC see A BS/ DSC en t[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to M od els wi th st and ard t ransmissio n : I n b ack of rad iato r En g ine coo l ing f an fin al st age (resistor) 19 99 - 20 01 In eng in e coolin g f an h ousin g En g ine electron ics fu se p ack see F u ses, en g in e electron ics En g ine h oo d cont act swi tch 19 99 - 20 01 Ri g h t r ea r en [...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Fu el l ev el sensor, l eft 19 99 - 20 01 To p of fu el tan k, u n d er l eft r ea r seat cu sh io n F ig. 52 Fu el l ev el sensor, righ t 19 99 - 20 01 To p of fu el tan k, u n d er rig h t rear sea t cu sh ion, comb in ed with f u el p u mp F ig. 52 Fu el p u mp 199 9 - 200 1 T op of f u el t an k, [...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to GPS rece iv er mod u l e 19 99 - 20 01 In tru n k, moun ted b ehin d l eft rea r w el l Grou n d j u mp er conn ection 19 99 - 20 01 Ri g h t r ea r en g ine compartmen t F ig. 19 Grou n d s: X 11 08 19 99 - 20 01 Un d er d riv er sea t carpet on d oo r sill F ig . 9 X 13 01 6 19 99 - 200 1 Le f t sid[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to He ad l ig h t v ertica l ai m l oad sen sor, fron t 19 99 - 20 01 F ront su b f rame , righ t sid e F ig. 59 He ad l ig h t v ertica l ai m l oad sen sor, rear 19 99 - 20 01 Rea r su b f rame , rig h t sid e He ad l ig h t washer p u mp 19 99 - 20 01 F ront of washer t ank, righ t fron t eng in e com[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to I n d iv idu al cont rol int ake system v al v e see Re sonan ce v alv e, int ake manifol d I n fl at or asse mb l y, ai rb ag see A irb ag ent ries I n stru men t cl u st er cont rol u n it 19 99 - 20 01 In inst ru men t cl u ster I n take ai r temp erature (IA T ) sensor 19 99 - 20 01 Cent er top of[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Lumb ar su p p ort ai r compressor 19 99 - 20 01 Un d er ea ch sea t eq u ip p ed with su p p ort syst em Lumb ar su p p ort cont rol switch 19 99 - 20 01 Below seat b ase trim Lumb ar su p p ort swi tch 19 99 - 20 01 F our-way tog g l e switch at b ase of sea t , n ear sea t cont rol switch es M ai n[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Ox yg en sensor conn ector, p ost-catalyst 19 99 - 20 01 To p of eng ine, b etwe en in take manifol d an d cyl in d er h ead cov er F ig. 25 Ox yg en sensor conn ector, p reca tal yst 19 99 - 20 01 To p of eng ine, b etwe en ex h aust manifol d an d cyl in d er h ead cov er F ig. 25 Ox yg en sensor, p[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Ra d io sp eake r : fron t twee t er (l eft /rig h t ) 19 99 - 20 01 F ront d oo r wind ow frame (l eft /rig h t ) F ig. 33 Ra d io/cassette/CD p l ayer 19 99 - 20 01 Cent er of d ashb oard Ra in sen sor 1 99 9 - 20 01 To p cen ter of in terio r wind sh ield su rface, d irectl y ahead of rear v iew mi[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Sea t cu sh ion t il t motor 19 99 - 20 01 Bott om of seat cu sh ion F ig. 50 Sea t f orwa rd -b ack motor 19 99 -200 1 Bo t tom of sea t cu sh ion F ig . 50 Sea t h ea d rest mot or 199 9 - 200 1 T op of f ront seat b ackre st F ig. 51 Sea t h ea ter 199 9 - 20 01 In fr ont seat cu sh io n an d b ack[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to Sp ee d sensor see A BS wheel sp eed sensor en t rie s Sp ira l sp ring see V ol u te sp ring Starter 199 9 - 200 1 Le f t rear of en g ine, u n d er int ake manifol d Starter immo b ilizatio n switch (manu al tran smissi on) On cl u tch p ed al Starter t ermi n als 30, 50 19 99 - 20 01 Left r ea r of[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to T el ep h on e tran scei v er Sedan , Coup e I n t ru n k b el ow p arcel sh el f T h ermo stat, ch ara cteristic map coo l in g see Co olan t t h ermostat T h rottl e h ou si n g (M DK/EDK) 19 99 - 20 01 Un d er int ake manifol d Fig . 23 T h rottl e p osi tion sensor see A ccel era t or p edal sen s[...]

Compon ent Y ea r, mod el Lo ca tio n Re fer to V al et p ositio n switch 199 9 - 200 1 On tr u n k l ock cyl in d er V A NOS solen oi d , ex h au st sid e 19 99 - 20 01 Ri g h t f ron t of cyl ind er h ead F ig. 29 V A NOS solen oi d , int ake side 19 99 - 20 01 Left f ron t of cyl ind er h ead F ig. 17 V ari abl e camshaft cont rol see V A NOS V [...]

Engine c om par tm e nt ele c trica l com ponents Fig . 17 En g ine comp artmen t (199 9 323 i) 1 - Data l in k con n ector (DLC ) (19 99 - mid-200 0 mod el s) 2 - Hoo d contact switch 3 - B+ j u mp er conn ector 4 - DSC cont rol mod u l e/h yd raul ic u n it 5 - Second ary ai r p u mp 6 - Int erio r micro fil ter h ousin g 7 - Reso n ance v al v e[...]

Fig . 19 Ri g h t rear corner of en g in e compartmen t (Te v es DSC M K 20/6 0) 1 - DSC h yd rau l ic u n it 2 - G rou n d j u mp er conn ection 3 - Hoo d contact switch 4 - B+ j u mp er conn ectio n 5 - DSC cont rol mod u l e Fig . 20 Re ar of eng ine comp artment , b ehin d b u l kh ead 1 - W ip er asse mb l y electrical h arn ess conn ector Fig[...]

4 - Bore h ole f or cran ksh aft l ocking t oo l Fig . 23 Und er in take manifol d 1 - Idl e sp ee d cont rol v al v e 2 - Thrott l e h ou sin g ( M DK/EDK) Fig . 24 Und er in take manifol d , at cyl ind er h ead 1 - Kn ock sensor cyl i n d er 1 - 3 2 - Kn ock sensor h arn ess con n ector 3 - Kn ock sensor cyl i n d er 4 - 6 Fig . 25 Ce n ter t op [...]

Fig . 27 Le f t sid e of en g in e comp artment 1 - Hea t er con trol va l v e Fig . 28 Cylin d er h ead, l eft f ront 1 - Int ake ca msh aft p osi t ion sensor Fig . 29 Ri g h t fr ont of en g in e, t op 1 - Exhaust camshaft p osi tion sensor 2 - Exhaust camshaft V A NOS sol en oi d 3 - Ai r q u al ity sen sor (A UC) (for aut oma t ic recircul ati[...]

Fig . 30 Ri g h t fr ont of en g in e 1 - Second ary ai r in j ectio n p u mp 2 - Second ary ai r in j ectio n p u mp v al v e Fig . 31 Ri g h t fr ont of en g in e, l ow 1 - Exhaust camshaft p osi tion sensor 2 - Coo l an t out l et temp eratur e sensor Fig . 32 T op of A /C rece iv e r/ d rie r , rig h t fron t en g ine compartmen t 1 - A/C press[...]

Fig . 34 Und ern ea th h orn p ad at steeri n g wheel 1 - Ai rb ag conn ector Fig . 35 Le f t sid e of st eer ing col u mn , b el ow d ash b oa rd 1 - St ee rin g an g l e sen sor Fig . 36 A t ig n itio n switch 1 - EW S ( electron ic immobilizer) ring ant enn a Elec trica l Com pon e n t L oca tion s h tt p: // e bah n .ben t l e y pu bli s h e rs[...]

Fig . 37 A t p ed al cl u ster 1 - Cru ise contr ol cu t -off swi tch (if equ ip p ed ) 2 - Brake l ig h t switch Fig . 38 A b ov e p edal cl u ster 1 - EW S con t rol mod u l e Fig . 39 Le f t sid e I HKA h ou sing , b el ow inst ru men t cl u ster 1 - A/C e v aporator temp era tu re sensor Fig . 40 Ri g h t side I HKA h ou sing , b el ow g l ov e[...]

Fig . 41 Ri g h t side d ash b oa r d 1 - Passeng er ai rb ag 2 - Passeng er ai rb ag conn ector Fig . 42 I n wind sh ie l d p ill ar (A -p il l ar) 1 - Hea d p rotectio n ai rb ag (HPS) electrical con n ector Fig . 43 I n h eadl iner 1 - Su n roo f motor Elec trica l Com pon e n t L oca tion s h tt p: // e bah n .ben t l e y pu bli s h e rs .com /[...]

Fig . 44 I n l eft rea r roof p il l ar (C p il l ar) 1 - Anten n a amp l ifier Fig . 45 Be h in d cen t er consol e u t ility b i n 1 - Hea t er core temp erature sen sor Fig . 46 Und er sh ift er b ezel 1 - Sh iftl ock solen oi d Fig . 47 A t sh ift er b eze l 1 - G ear position in d i cator l ig h t Elec trica l Com pon e n t L oca tion s h tt p[...]

Fig . 48 Und er cen ter con sol e 1 - Teleph on e con n ector Fig . 49 Und er cen ter con sol e, rear of p arking b rake han d l e 1 - Parking b r ake wa rn in g switch Fig . 50 Dri v er seat (Co n v ertibl e sea t fr ont v ie w) 1 - Seat memory modu l e 2 - Seat con trol swi t ch mod u l e 3 - Seat t ilt motor 4 - Seat f orwa rd -b ack motor Elec [...]

5 - Seat h ei g h t motor Fig . 51 Pa sseng er sea t (Co n v ertib l e seat rea r v iew ) 1 - Hea d rest m otor 2 - Comfort en t ry switch 3 - Backrest motor Fig . 52 Be l ow rea r sea t cu sh ion, u n d er acce ss cov ers (top of f u el t ank) 1 - Righ t sid e: El ectric f u el p u mp an d fu el l ev el send er conn ector 2 - Left sid e: F u el l [...]

4 - G rou n d X 498 Fig . 54 Le f t sid e tru n k 1 - Sou n d syst em ampl ifie r 2 - G rou n d X 130 16 Fig . 55 T ru n k, b elow parcel sh el f 1 - Teleph on e t ransceiv er Fig . 56 Ri g h t carg o are a, b eh in d t rim p anel (Sp ort W ag on) 1 - Rea r wind ow wa sh er p u mp Fig . 57 Le f t carg o are a (Sp ort W ag on) Elec trica l Com pon e[...]

1 - Anten n a d i v ersity amp l ifier 2 - Sou n d syst em compon en ts 3 - Powe r socket, 12 v olt El ec trica l c om ponents undernea th ca r Fig . 58 Und ern ea th rig h t sid e of en g in e, at l ow er en d of f ron t ex hau st p ipes 1 - Post-catal yst ox yg en sen sors Fig . 59 A t f ront su b f rame , righ t side 1 - F ront ride l ev el sens[...]

1 - AB S wh eel sp ee d sen sor, f ron t No te: Le f t f ront w he el speed sen sor i s si m i l ar. Fig . 61 Ri g h t rear wheel b ear ing h ou sin g (19 99 rea r wh eel d riv e model sh ow n ) A BS wh eel sp ee d sensor, rea r No te: Le f t rear w he el spee d senso r i s si mi l ar. Fig . 62 I n l eft fron t wh eel h ousin g 1 - AB S wh eel sp e[...]

1 - Tra n smissi on cont rol ( A GS) conn ector Fig . 64 Le f t sid e of au tomatic tran smissi on (Z F) 1 - Tra n smissi on ran g e swi tch /b ack-u p l igh t switch h arness con n ector 2 - Tra n smissi on ran g e swi tch /b ack-u p l igh t switch 3 - Tra n smissi on cont rol ( A GS) h arn ess conn ector Fig . 65 Und ern ea th t ru n k 1 - LDP/DM[...]

5 - Conv ert ibl e t op mod u l e (CV M II ) 6 - Hyd rau l ic motor 7 - G en era l modu l e (GM V ) 8 - Top st orage cov er l ock motor 9 - Rea r wind ow d efogg er relays 10 - Storage cov er l ock h al l sensor 11 - Ro l l -ov er casse t t es and sen sors 12 - Storage comp artment f l oor micro swi t ch 13 - Co n v ertibl e top switch 14 - Co v er[...]

611-1 Gen era l T h is r epair g roup cov ers repair inf orma t ion for w in d sh ie l d , h eadl ig h t (opt io n al) and rea r wind ow (Sp ort Wag on) wiper and washer syst ems. Re p l ace m ent of t h e wiper/washer st alk swi t ch asse m b l y is cov e red in 612 Swi t ch es . El ectrica l wi ring d i agrams and relays for t h e wiper/washer sy[...]

Wi per and w asher s y s tem T h e wi p er and washer f u n ct io n s in E46 v ehicl es are con t roll ed b y t h e Z KE V g eneral modu l e (GM V ). Driv er in p u t to th e syst em is v ia th e m u l ti-fu n ct io n stal k switch to t h e righ t of th e steeri n g colu mn . Op eratio n al f aul t s in th e wiper/washer system will set Di agn osti[...]

T h e wi n d sh ield washer syst em is activ ated b y p u l l in g t h e st alk swi tch towa rd t h e d riv er. I n Sp ort W agon mod el s with rea r wi p er/wa sh er, p u sh in g t h e st alk switch one d eten t awa y f rom th e d riv e r activ ates t h e int erv al rear wi p er. Pu sh ing th e st al k f u rt h er forwar d activ ates t h e rear wi[...]

automatica l l y h eated. The n ozzl e h ea t ers, b eing of t h e p ositiv e temp era t u re coe f ficie n t (PTC ) d esign , increase resi stan ce as t h ey h ea t u p and aut omatica l l y cu t b ack on cu rrent consu mp t ion. He adl i gh t w ashe r sy stem (opt io n al). He ad l ig h t washer n ozzl es are on t op of th e f ron t b u mp er. Th[...]

Wi n dshi eld w i per/was h er sy ste m W i per s an d Wash er s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 5 of 11 2/ 25/ 2009 11: 10 PM[...]

Rain sens or sys tem (op tion al ) T h e opt ional rain sensor syst em u ses an inf rare d sensor, l ocated at t h e t op of t h e wi n d sh ield in f ron t of t h e rear v ie w mirro r, to d etect t h e p resence of wa t er d rops (or d irt) on t h e wind sh ie l d . The sign al from t h e sen sor is commun ica ted to t h e G M V , wh ich activ at[...]

Co n t rol m odu l e (conn ected to G M V v ia K-b u s) T h e rai n sen sor is on -l ine as soo n as it rece iv es KL R (ig n ition on) op era t in g p ow er. Wh en th e wi n d sh ield wiper st alk swi tch is p l ace d in t h e in termitten t p osi t ion, t h e GM V sign als th e rai n sensor con trol modu l e v ia th e K-b u s of t h e req u est f[...]

GM V sooner. De p en d in g on t h e in ten sity of t h e rain th e wi p ers can b e operated cont in u ou sl y as if set in t h e n ormal wi p er st alk switch p osi t ion reg ardl ess of t h e kn u rl ed wheel settin g . F or t h is reaso n , th e v eh icl e sp eed sig n al on th e K-b u s is n ot u t ilized on rai n sensor eq u ip p ed wi p er s[...]

a d irty wind sh ield (d irt, road salt , wa x residu e) after a comp l eted wipe cycl e. A d irty wind sh ie l d h as a fil m on it t h at d iminish es th e abil ity of inf rare d to refract int o water d ropl ets t h at are p rese n t. This causes a d elay in t h e rain sensor d etectio n capab ilities which l en g th en s th e time int erv a l s[...]

Rea r w i ndo w w i per/ w a s her s y st e m (Sport W a gon ) T h e rea r wiper motor asse mb l y in Sp ort Wag on mod els is moun ted in t h e tailg ate th r oug h a sou n d -in su l atin g ru b b er b u sh in g . T h e rea r wiper/washer is cont rol l ed b y th e wiper/washer st eer ing col u mn stal k swi tch v ia th e Z KE V system. T h e fu n[...]

is in rev erse . T h e sign al is p rov ided b y th e b ack-up l ig h t switch v ia th e LSZ (l ig h t cont rol mod u l e). Re ar w in d ow washin g is activ ated when th e st al k switch is p u sh ed f orwa rd p ast th e f irst d eten t: Wash cycl e 1. W ash er p u mp O N for 1.5 seco n d s. W iper O N 1 seco n d l ater. Wash cycl e 2. W ash er p [...]

611-2 W i per Bl a d es Wi per blade c l ea ning problem s Co mmon cl ea n ing p robl ems wi t h t h e wi p ers incl u d e st rea kin g or sh ee t ing , wa t er d rop s aft er wiping , and b l ad e ch atter. CA UTI ON! Ne ver tur n o n the w i per bl ades w h il e the h o o d is open. Dam ag e to the wi p er sys tem a n d h oo d may oc cu r. To ens[...]

No te: BMW ha s avail able a special tool/gaug e (BMW special too l 00 9 21 0) to ali gn the ang l e of t he w i per arm to the w i ndshiel d glass. T h e wi p er b l ad es can b e ren ew ed in one of two wa ys: Co mp l ete b l ad e repl ace m ent Rub b er insert repl ace m ent I n sert rep l acem ent is th e most eco n omica l meth od , alt h ou g[...]

Wi per blade i ns erts , r epla c ing T o rep l ace wi p er inserts: Re mov e wi p er b l ad e as d escribed ea rl ier. Unh ook wi p er b l ad e insert f rom wi p er arm g u id e. If n ecessa ry, g u id e sl igh t l y u sin g n eedl e n ose p l ier s. Pu l l old i n sert from wiper arm g u id es, n otin g in stal l atio n p osi tion. Re mov e metal[...]

I t may be nece ssary t o raise t he en gi ne h oo d to t he servi ce po si ti on to access the f ront w i per arm fastene rs. See 410 Fend ers, Eng i ne Ho od . CA UTI ON! Mak e su re wi p er s ar e p ar ke d (sta l k swi tch i n O FF pos i ti o n) and the i gniti o n is also O FF . Us e fend er co ve r to pro tec t wi n dshi eld. - With en g ine [...]

Ti gh teni n g torqu e Fron t wiper arm t o wi p er sh aft 3 0 Nm (22 f t-l b ) Re ar wi p er arm to wi p er sh aft 9.5 Nm (7 f t-l b ) - Check to make su re b l ades are p osi t ioned correctl y Fron t wiper arms sh oul d b e inst all ed with t ip s to th e rig h t (p asseng er) sid e of th e v ehicl e. Me asu re d istan ce of wiper arms from l ow[...]

611-3 W i per A s s em bl i es Wi nds hie ld w iper a s sem bly , rem oving and inst a lli ng T h e wi n d sh ield wiper assem b l y (l inkag e an d motor) is remov ed as a sing l e u n it. O n ce t h e assembl y is remo v ed, t h e wiper motor an d ot h er l inkag e p arts can b e rep ai red or repl aced. 1 - Wip er asse mb l y moun tin g n u t -t[...]

Us e fend er co ve r to pro tec t wi n dshi eld. To av oid d am ag in g the wi p er ar ms and pi vo ts, d o n o t ma n u ally sli d e o r fo rce th e wi p er ar ms ac ro ss th e wi n dshi eld. - Re mov e wi p er arms as d escribed ea rl ier. Re mov e h ou sing f or micro f il t er for int eri or ve n t ilat io n . Re mov e u p p er cov er an d micr[...]

Re mov e righ t sid e wi p er rod ( arr o w ) from t ransmissio n arm . - Re l ea se retainin g cl ip s an d remo v e wi n d sh ield b ase trim t ray. Re mov e l arg e n u t s ( ar row ) at b ase of wi p er arm sh afts in cowl p an el. Re mov e assem b l y. No te: Co ver i nsi de ed ges of cow l pan el she et metal w i t h thi ck t ape to preve nt [...]

Ne x t, in stal l wiper arms b u t n ot b l ad es. Close hood an d fit wi p er b l ades. Re ch eck wiper b l ad e p ositio n as d escri b ed earlier u n d er W iper arms, remov in g and in st all in g . Check all electrical h arn ess fitt ing s an d sea l ing g rommets for corre ct rei n stal l ation. Repl ace any wi re t ie s cu t off d u r ing re[...]

5 - Wip er motor asse mb l y 6 - T orx b olt M6 -tig h t en t o 9.5 Nm (7 ft -l b ) 7 - Da mp er rin g 8 - M oun tin g sl eev e 9 - Re ar wiper motor assembl y - T o in st all : Re mov e rea r wind ow l ock asse mb l y f rom rear d eck. I n stal l wi p er motor asse mb l y and th r ea d mou n t ing b ol ts f in g er tig h t . Pl ace BM W sp eci al [...]

Wa gon) - Re mov e rea r wiper arm. - Li f t rear wi n d ow a n d remo v e wiper sh aft h ou sing p l astic trim cov ers. - Re mov e h ou sing mou n t ing n u ts. Re mov e h ou sing . - Sl acke n r ea r wi n d ow l ift n u t. Re mov e wi p er sh aft assembl y moun t ing n u t ( arr o w ). Pu l l sh aft and b ea r ing ou t of h ousin g . - I n stal [...]

611-4 W a s he r Sys tem s T h e wi n d sh ield washer syst em incl u d es th e h ea t ed sp ray n ozzl es in th e en g in e h ood, t h e washer fl u id p u mp , an d t h e wa sh er fl u id reserv oir in th e f ron t p asseng er sid e of t h e en g in e compartmen t. T h e h ea d l ig h t washer syst em (opt io n al ) consists of t h e f ront wa sh[...]

1b - 44 5 mm (17.5 in. ) 2a - 40 0 mm (15.7 in . ) 2b - 27 0 mm (10.6 in. ) 3a - 26 0 mm (10.2 in . ) 3b - 55 0 mm (21.7 in. ) 4a - 50 0 mm (19.6 in . ) 4b - 35 0 mm (13.8 in. ) No te: The w i ndsh i eld spray noz z l es can be aimed by u si ng a se w i ng nee dl e or a si mi l ar di amete r st i f f pi ece of w i re. Headl ight w a sh er sp r ay n[...]

so th at sp ray j ets st rike ap p rox ima tel y in cent er of ea ch b eam ( ar rows ). No te: To t urn on he adli gh t w ashe r jets, turn on i gnit i on, l i ghts and w i ndsh i eld w ashe r syst em. T o repe at spra y pro cedu re, t urn off i gni ti on , then back on aga i n. Ot herw i se the he ad l i ght w ashe rs are d i sabled for 3 mi nutes[...]

T o remov e wi n d sh ield washer p u mp ( ar row ) an d h eadl ig h t wash er p u mp if equ ip p ed : Di scon n ect electr i cal con n ection at p u mp . T wist p u mp cl ockwi se. Pu l l p u mp ou t of rese r v oir . - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : T wist washer f l u i d l ev el sen sor cl ockw ise t[...]

( ar row ) cl ockw ise t o remo ve from b ase of rese rv oi r. I n stal l ation is r ev er se of remov a l . Rear w i ndo w spray nozzle, rem oving and inst a lli ng (Sport Wa gon) - Use p l ast i c p rying t oo l to l ev er n ozzle ou t of ru b b er st rip at top of rea r wind ow. - Pu sh n ew nozzl e in to ru b b er str ip. A d j u st n ozzl e sp[...]

T o remov e tan k: De t ach f il l ing an d p ressur e h ose s ( A ). Re mov e wa sh er p u mp el ectrical h arness con n ector ( B ). Lo osen mou n tin g n u t s at b ott om of tan k ( C ) sl ig h tl y. Re mov e t op moun t in g n u t ( D ) and remo v e rese rv oi r. - T o remov e fl u id p u mp : De t ach el ectrica l h arness conn ector ( B ). P[...]

612-1 Gen era l T h is sect io n cov ers rep l ace men t of electrical swi t ch es at t h e st ee rin g wheel, st ee ring col u mn , d ashb oa rd , p edal cl u ster, cen t er consol e and oth er l oca t ions. See also t h e f ol l owi n g sections: 11 9 Lub r ica tion S ystem f or inf orma t ion on t esting t h e oi l p ressure switch 25 0 G ea rsh[...]

th e rep ai rs d et ai l ed in t h is sectio n . Pl astic p ryin g t ool BM W 00 9 32 1 I g n itio n cyl ind er remo va l tool BM W 32 3 11 0 Ri n g an t enn a remo v al tool BM W 61 3 30 0 CA UTI ON! Wh en w o rk in g o n el ec trical switches o r l ights, always di sc o n n ec t th e n eg ative (-) ca bl e fro m the b atte ry and i n su l ate th [...]

612-2 Steeri n g W h eel Sw i tch e s E46 v eh icles are equ ip p ed with either th e mu l ti-f u n ct io n (MFL ) st ee ring wh ee l or th e sp orts st ee ring wh ee l . I n corporated in t o ea ch steeri n g wh eel are an SRS airbag , h orn con t acts, selected cel l u l ar p h on e and rad io contr ols an d cru ise cont rol b u t ton s. T o rep [...]

De t ach el ectrica l h arness con n ectors 1 - Cruise cont rol/ rad io /t elep h one electrical h arn ess 2 - Ho rn b u tt on el ectrica l h arness 3 - A irbag el ectrical h arn ess 4 - Ra d io/tel ep h on e cont rol swi tch set 5 - A irbag 6 - Cruise cont rol swi t ch set - Re mov e small screws on b ack side of ai rbag p ad t o rel ea se l eft o[...]

5 - Ho rn b u tt on an d airb ag el ectrica l h arness - Pu l l switch carrie r and trim d own to d etach from st ee r ing wheel . Re mov e el ectrica l h arness conn ector. - Separate bot tom t rim p iece fr om swi t ch carrie r. No te: BMW do es no t provi de t he ho rn con t act sw i t ch as a sepa rate part. Co pyrigh t © 2006 Robert Ben tley,[...]

612-3 Steeri n g Col u m n Sw i tch es T o remov e any of t h e st ee ring col u mn swi t ch es, it is n ece ssary to f irst remov e th e u p p er an d l ow er colu m n t rim p ie ces. See 5 13 I n t eri or T rim . CA UTI ON! To prev ent mar rin g i n ter i o r trim, wor k w it h p lastic pry i ng to ols o r wrap th e tip s of sc rewdriver s and pl[...]

Stee ring c olum n st a lk sw i tch ass e m bl y, re m ov ing a nd ins ta lli ng T o rep l ace ei t h er t h e d ire ct ional /h ea d l igh t d immer stal k swi t ch or th e wi p er/wa sh er stal k swi t ch , you m u st f irst remov e th e en t ire stal k swi t ch asse m b l y fr om th e st eer ing colu mn . CA UTI ON! To prev ent mar rin g i n ter[...]

- With fr ont wh eels p oi n t ed st rai g h t ahead, remov e st eer ing wh ee l . See 320 Steering and W h eel A l ign men t . No te: To help w i th r ea ssembly, mark st eering w hee l and spi nd l e sha ft before disassemb l y. - Re mov e st ee rin g colu m n t rim. See 513 I n t eri or T r i m . De t ach EW S rin g ant en n a el ectrica l h arn[...]

De t ach airbag el ectrical h arness conn ector ( arr o w ). Re mov e st alk switch h ou sing retainin g screw s ( ar rows ). Sl id e swi tch h ou sin g off st eeri n g colu m n . - I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Pl ace t u rn sign al ind icato r in center p osi t i on b efore inst all ing . En su re t h[...]

d escri b ed ab ov e, t u rn swi t ch asse mb l y f ace -d own on wo rk b ench . Sq u ee ze l ocking t abs ( ar row s ) on sides of swi t ch an d sl ide sw itch out of asse mb l y h old er. - Pu sh in n ew swi t ch u n t il it p osi t iv ely sn ap s in t o switch h ousin g . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Swi[...]

612-4 Peda l Cl u s ter Sw i tch es T o access ei t h er t h e b r ake p ed al or t h e cl u tch p edal swi tch , r emo v e th e l eft footwe l l trim (ab ov e p edal s). See 513 Interior Tri m . B r ak e li ght s w i tch, re pla c ing Working at p edal cl u st er: De t ach el ectrica l h arness conn ector ( arr o w ) f rom b rake l ig h t swi t ch[...]

conn ector f rom swi t ch . Sq u ee ze tog eth er retai n in g cl ip s at fr ont of switch . Sl id e swi t ch ou t of h ol d er (t ow ard rea r of car). - I n stal l n ew swi t ch , t h en all ow cl u tch p edal to sp rin g b ack sl owly, automatica l l y ad j u st in g switch p osi t ion. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s [...]

612-5 Oth er I n teri or Sw i tc h es M any of t h e re maining el ectrical swi t ch es are h oused at t h e b ott om center of t h e d ash b oard, or i n th e center consol e. T h e A SC or DC S switch is ah ead of t h e sh ifter con sol e at t h e b ott om of t h e center d ashb oa rd . Wh en eq u ipp ed, sea t h ea ter switch es are in th e same[...]

- Pry u p on r ea r of sh ift b oot/b ezel to u n cl ip, t h en remov e b oot f rom fron t retainers. Re mov e retai n in g screws ( arr o ws ) u n d er t ransm issi on sel ector b oot/t rim. Pow er w in d ow switches, replacing - T o remov e l eft or righ t g an g ed wi n d ow switch es: Sh ifter b eze l : Lift u p b y p rying g ent l y. Sh ifter [...]

ASC / DSC/se at h ea ter swit ches , re p l ac i n g Eith er th e A SC or DSC switch is l oca t ed in th e storage compartmen t/ ash t ray h ou sing . Sea t h ea t er switch es are al so l oca t ed h ere , if equ ip p ed. T h is p roce d u re can b e skipp ed in order to access center consol e swi tch es. Re mov e st ora g e compartmen t b el ow I [...]

ashtr ay. - Re mov e retai n in g screws and storage tr ay h ousin g . Di scon n ect electrical h arn ess conn ector f or storage tr ay court esy l ig h t . - Re mov e screws a t b ase of st ora g e tray compart ment in consol e. Uncl ip t rim b oot f or p arking b rake l ev er and p u l l b oo t and h and l e forwa rd off b rake l ev er. - Sl ide [...]

from switch . - I n stal l ation is r ev er se of remov a l . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Swi tch e s h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 5 of 5 2/ 25/ 2009 11: 13 PM[...]

620-1 Gen era l T h is r epair g roup cov ers remo v al an d inst all at io n of t h e inst ru men t cl u ster. I n stru men t cl u st er se l f -test p rocedu r es are al so incl u d ed. Spec ia l tools I n d iv idu al inst ru men t cl u st er compon ent s are n ot av ai l abl e. Since inst ru men t cl u st ers are o n l y av ai l abl e as compl e[...]

620-2 I n s tru m en t Cl u s ter T h e d ash b oa r d mou n t ed in stru men t cl u ster is th e contr ol an d in formation center of t h e E46 cars. It is con n ected to most of t h e syst ems and sen sors in th e car t h rou g h t h e u se of " b u s" n etwo r ks: K-b u s conn ects t o Ce n tral Body El ectronics (Z KE V ) f u n ctions[...]

Cruising ran g e A v erage v eh icle sp eed T h ese fu n ct io n s are more f u l l y ex p l ai n ed in t h e O wn er's M an u al . T h e cl u st er also st ore s imp ortant v ehicl e memo ry f u n ctions su ch as t otal mileage and serv ice int erv al d ata. I n stru men t cl u st er repl aceme n t mu st b e fol l owe d b y sp ecia l p roce d[...]

8 - Ri g h t d irectio n al 9 - T emp erature g aug e 10 - W arnin g l igh ts (Check En g ine, etc.) 11 - Le ft rese t b u tt on (odometer/se rv ice int erv al ) 12 - Check Cont rol LCD 13 - Od ome t er/O n -Board Compu t er LC D 14 - A SC/DSC warnin g l ig h t 15 - Fu el eco n omy g au g e 16 - T ransmissio n ran g e/ p rogr am LC D (incl u d es t[...]

E46 i nstrume n t cluster I n stru m en ts h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 4 of 9 2/ 25/ 2009 11: 14 PM[...]

Inst rum e nt c lust e r, s e lf- test i ng I n add ition to t h e st oring d iagn ostic trou b l e cod es (DT Cs) an d commun ica t in g t h rou g h t h e d iagn ostic l ink, th e inst ru men t cl u ster is p rogr amme d with a serie s of test menu s th at can b e accesse d t o ch eck v ari ous fu n ctions and v alu es. The odometer/On -Boa rd Com[...]

d isp l ay su b men u s or cont inu e on t o n ex t main test menu . No te: Tests 1 and 2 are alw ays unlocked . Tests 3 - 21 are only acce ssi ble after unlocki ng t he t est functi on . Test 19 i s t he unlock f unction for acce ssi ng t he di splays. I f ad ju st ment i s ne cessary, enter i nto Test 20 u si ng the cl uster bu tt on . The corre [...]

M enu Submenu Sample ou tpu t M ea n i ng T est 2: Cl u st er syst em test - act iv at es g aug e d riv er s, in d ica tors an d LEDs to conf irm f u n ct ion (see Note ) T est 3: S I d ata 3 . 0 15 00 Liters 3.1 0 Perio d ic insp ectio n d ays ( n ot app l ica b l e for US) T est 4: F u el consu mp t ion d ata (cu rrent ) 4.0 0 267 26 . 7 l iters/[...]

M enu Submenu Sample ou tpu t M ea n i ng T est 9: B attery v olt ag e 9.0 1 25 12 .5 v ol t s T est 10: Co u n t ry codin g 10 . 0 02 U S (= 02 ) T est 11: Clu st er code 11 . 0 000 003 Cl u ster cod e T est 12: No t u sed T est 13: G ong t est 13 . 0 " G on g " A ctiv ate g on g b y p ressi n g b u t ton (g ong resp onse is d el ayed). [...]

Pl ace a t owe l ov er steeri n g col u mn . Ca ref u l l y til t top of cl u st er ou t of d ash p anel . Un l ock an d d isco n n ect h arn ess conn ectors ( arr o w s) from b ack of cl u st er. No te: Steering w hee l doe s not nee d t o be remo ved to remove i nst rume nt cl uster. I f it i s n ece ssary to rep l ace cl u ster, d etach t rim b [...]

630-1 Gen era l T h is r epair g roup cov ers int erio r and ex t eri or l ig h t ing , in cl u d ing repairs to t h e l igh t swi tch assembl y. Spec ia l tools Some sp ecia l t oo l s may b e n ecessa ry to inst al l or adj u st l igh t s and l ig h t fix tu res. Pl astic trim p rying t oo l BM W 00 9 321 Fog l ig h t/ h eadl igh t ad j u stin g [...]

Tabl e a. E46 bu l b app li ca tio n s Lo cation T ype & rating Lo w b ea n (Xe n on ) D2 -S Fog l ig h ts Fron t H B4 Re ar (Eu ro onl y) 12V 21W T u r n sig n al and t ai l l igh t Back-up 1 2V 21 W Brake 1 2V 21 W Brake /t ai l l ig h t 12 V 21/4W Li cen ce p l at e 1 2V 5W Side t u rn sig n al W5W T h ird b rake l ig h t LED T u rn sign al [...]

He ad l ig h t /t ai l l ig h t /ru n n in g l igh t contr ol switch Fog l ig h t switch I n stru men t d immer cont rol Li g h t cont rol mod u l e I n ad d ition to n ormal l i g h t con t rol , th e LSZ p rov ides t h e f ol l owi n g f u n ct io n s: Ho t and col d monitoring of t h e ex t eri or b u l b s Emergen cy l ig h t in g fu n ct ion S[...]

Parki n g l igh t s Side marker lig h ts Li cen se p l ate l igh t s Ho t and col d monitoring of l igh t b u l b s all ows th e LSZ t o d etect d efectiv e b u l b s. Ho t monitoring ch ecks th e contin u ity of circuits whil e t h e l ig h t s are swi t ch ed on. Cold mon itori n g consists of a b rief p u l se of cu rren t which is t oo sh ort f[...]

modu l e and tr ansf erre d to t h e repl aceme n t u n it. Em e rgenc y (f ai l safe) lighting T h e l igh t cont rol mod u l e p rov ides eme rg en cy l ig h tin g in t h e ev ent of an electron ic modu l e failu re. Back u p h ardware al l ows th e f oll ow in g l ig h t in g circuits t o fu n ction: Lo w b eam h eadl ig h t s T aill igh ts Brak[...]

Chec k Co ntro l di splay. To av oid mar rin g car p aint o r trim, w o rk w ith p l as tic p ry in g to ols or w rap th e tip s of to ols wi th tape. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. L ig h ts h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 6 of 6 2/ 25/ 2009 11:[...]

630-2 Li gh t Sw i tch Light sw itch a ss e m bly, rem oving and inst a lli ng Pry g en t l y at l eft d ashb oard t rim t o remo v e. CA UTI ON! To av oid mar rin g i n ter i or trim, wor k wi th a p lastic prying to ol. Re mov e l ig h t switch moun t in g screw s ( ar row s ). - Li f t switch sl igh tl y an d with d raw from d ash b oard. No te:[...]

Swi n g l atch b ackw ard ( ar row ) . Pu l l electr ica l h arn ess con n ector off switch asse mb l y. - I n stal l ation is r ev er se of remov a l . Light control m odule, s e par ating - Re mov e l ig h t switch asse mb l y as d escri b ed earlier . Press in on tab s ( ar rows ) in l igh t swi t ch asse m b l y to separate l ig h t swi t ch fr[...]

630-3 Hea dl ig h ts E46 cars are eq u ip p ed with Ha l ogen h ea d l ig h ts as st an d ard equ ipmen t . Ha l ogen b u l b rep l ace ment is p erforme d f rom t h e b ack (en g ine) side of th e h eadl ig h t assembl y. The fr ont face of ea ch h ea d l ig h t asse mb l y is a remo v abl e p l astic cov e r. Op t io n al X enon l ow -b eam h ead[...]

No te: W hen ad ju sti ng he ad l i gh t s w i t h au t omatic adj uster syst em (LW R), w ai t at l east 30 seco nds for t he LW R t o cycl e an d ad just t o i t s cal cul ated po si ti on. Ha l o gen h ea d l ig h t as sem b l y 1 - M o u nti n g scr ew 2 - Expandin g nu t 3 - High b eam cove r 4 - High b eam bu l b 5 - High b eam bu l b sock et[...]

1 - Automatic headlig h t adju stm ent (LW R) ste p p er motor 2 - Electr i ca l harnes s conn ec tor 3 - Expandin g nu t 4 - M o u nti n g scr ew 5 - Xenon b u lb control modu le 6 - Control mod u le brac ket 7 - High b eam cove r 8 - High b eam bu l b 9 - High b eam bu l b sock et 10 - Lo w b ea m cov er 11 - Xenon b u lb ig ni ti on elem ent 12 [...]

18 - Cove r l o ck str ip Hea dlight bulb (Halogen), re plac ing Working in b ack of h ead l igh t asse mb l y: Ro t ate h eadl ig h t b u l b retainin g ring ( ar row s ) coun t erclockwi se. Pu l l b u l b socket and b u l b out of h eadl ig h t assembl y. Di sconn ect h arn ess conn ect or from socke t . Gen tl y wigg l e b u l b an d p u l l st[...]

re plac ing - Worki n g in b ack of h eadl ig h t asse m b l y: Re mov e l ow b eam (X enon ) cov er. T wist X enon ig n ition element coun t ercl ockw ise and remo v e. Ro t ate h eadl ig h t b u l b retainin g ring coun t ercl ockw ise . Pu l l b u l b out of h eadl ig h t assembl y. I n st all ation is rev er se of r emo v al . He ad l ig h t b [...]

from h ea d l igh t asse mb l y. - I f n ece ssary, remov e h eadl igh t wa sh er sp ray n ozzl es. See 61 1 Wip ers and W ash ers . - R emo v e fron t t u rn sig n al assembl y as d escri b ed l ater in t h is rep air g roup . Use p l astic p ryin g t ool to d etach and remo v e trim p iece bel ow h ea d l ig h t asse m b l y. Re mov e h eadl igh [...]

Close eng in e h ood and ch eck to make su re t h at g ap b et w een h oo d and h eadl ig h t asse m b l y ( A ) is corre ct . Se e sp ecifica t io n b elow. Op en h ood an d t igh t en d own moun t in g screw s. Re main d er of assembl y is rev erse of remov al . H eadli gh t to h oo d g ap D imensio n A 5.0 ± 1.0 mm (0.2 0.± 04 in .) - A d j u [...]

Uncl ip sea l ing g aske t ( ar rows ) an d remo v e. Re l ea se cl ips ( arr o ws ) retai n ing f ront l en s. Pu l l l en s forwa rd t o remo v e. - I n st al l atio n is rev erse of remov al . Re p l ace gasket b etwe en l en s an d b ody of l ig h t if n ece ssary. A utom a tic hea dlight adjust m e nt (L W R) V ehicl es eq u ipp ed with t h e [...]

ang l e ch ang es. LWR monitors v eh icl e l oa d v ia two h all effect sen sors moun t ed to th e fron t and rea r su sp ension members. W h en an adj u stmen t t o th e ang l e of t h e h eadl igh t b eam s is n ece ssary, LWR simul tan eo u sl y activ ates two step p er motors (one in each h eadl ig h t asse m b l y). The st epp er motors d riv [...]

5 - Fron t rid e heig h t se nso r li n k 6 - Self-lo ck i n g n ut M 8 7 - Bolt M 5 8 - Righ t rea r ride heig h t se nso r moun tin g brac ket 9 - Bolt M 6 10 - Re ar ride h eigh t se n sor 11 - Self-lo ck i n g n ut M 6 12 - Re ar ride h eigh t se n sor li n k 13 - Exte n sion 14 - Br ack et 15 - Bolt M 6 Co pyrigh t © 2006 Robert Ben tley, I n[...]

630-4 Fron t Fogl i gh ts Fog light aim , a djust ing Sedan or Sp ort W agon : Use 4 mm A l l en wren ch t o t u rn p l astic ad j u st er ( ar row ) on ou ter ed g e of f og l ig h t. Co u p e or Co n v ertibl e: Use ad j u st er ( ar row ) on insid e u p p er edg e of fogl ig h t. 20 01 model s: Usi n g p l astic p ry tool, p ry of f fogl ig h t [...]

Fog light ass e m bly , rem oving and inst al ling Sedan or Spo rt W agon : Use p l ast i c p rying t oo l to l ev er out fogl ig h t assembl y. De t ach el ectrica l h arness conn ector. - Coup e or C o nver ti bl e : Gent l y remov e l ow er b u mp er t rim. Working at f og l ig h t , d etach g rill e and l oose n mou n t ing screws. Re mov e f o[...]

- I n stal l ation is r ev er se of remov a l , n oting t h e f oll owi n g : Sedan/ Sp ort W agon : F og l igh t mu st b e sn app ed f irml y in to b u mp er retainers. Co u p e/Co n v ertib l e: K ee p v ent ilation g r omm ets u n kin ked and f irmly sea ted . A d j u st fog l ig h t aim as d escri b ed ea rl ier. Fog light bulb, repl ac i ng - [...]

630-5 T u rn Si gn a l s , T a il l i g h ts Front tu rn signal a s sem bly , rem oving and inst a lli ng T h e p roce d u re b el ow also incl u d es tu r n sig n al b u l b rep l ace ment . With en g ine h oo d open , u se a screw d r iv er t o p ress t u rn sig n al asse mb l y ret ai n ing cl ip d ow n to d ise n g age from retainin g t ab on h[...]

Before reinstal l i ng , make sure rub ber sea l on w rap-a rou nd tri m (und ern eath he adli ghts) i s fi rml y gl ue d to t ri m. Re gl ue i f ne cessa r y. Fron t turn sig nal T u rn sign al b u l b 1 2V 21W Side turn s i gnal ass e m bly T h e yell ow marke r l igh t s on th e sides of th e fr ont f en d ers are tu rn sign als. Use p l ast i c[...]

I n E46 cars, t ai l l ig h t f u n ct io n s are sp l it. T h e corner b u l b carri er on ea ch sid e contain s: T aill igh t b u l b T u r n sig n al b u l b Brake l ig h t b u l b T ru n k l igh t b u l b T h e b u l b carrie r on each side of t h e tru n k or t ai l g ate cont ai n s: Back-up l ig h t Re ar f ogl igh t (Eu rop ea n mod el s on[...]

a clea n cl o th dampened w i th ru b bi n g alco hol. T o access tru n k l id t ai l l ig h t b u l b s: Partia l l y r emo v e t ru n k l id tr i m p anel b y remo v ing p l astic ex p an sion riv et s ( ar row s ). Ex p an sio n riv ets are re l ease d b y p rying u p p er p ortion out ( in se t ), th en p u l l ing off t ru n k l id . - T o acc[...]

T h e cent er b rake lig h t in al l model s is an LED u n it. There a re n o repl ace ab l e b u l b s. Sedan or Coup e : Working f rom rea r sea t in p asse n g er comp artment , g ent l y p u l l off t rim cov er ov e r t h ird b rake l ig h t (at t op of rea r g l ass). De t ach el ectrica l h arness conn ector ( A ). Re mov e retai n in g cl i[...]

h ose are n ot d ama g ed or kinked . No te: Re pl ace seali ng plast i c an d gromme t s as ne cessary du ri ng reasse mbl y. TI gh teni n g torqu e Re ar sp oi l er to rea r g l ass 6 Nm (4 f t-l b ) Lice nse plate li ght , re m oving and inst al ling Usi n g a fl at tip p ed screw d riv er, p ry g ent l y on rig h t sid e of l ice n se p l ate l[...]

630-6 I n teri or Li gh ts T h e ZKE V g eneral mod u l e (G M V) contr ols th e int erio r l ig h t ing automatica l l y u sin g in p u t f rom sev er al monitors. Th e l ig h tin g can al so b e manu al l y cont roll ed . Each d oor l ock actu ator cont ains a h all effect sensor f or th e p u rp ose of monitoring d oor open /cl osed st atu s. T [...]

b ack on u n l ess th e swi tch is p ressed again. T h ere are two readin g / map l ig h t s l oca t ed in th e fron t in terio r l ig h t asse mb l y. Each is mech an ica l l y contr oll ed b y d ep ressi n g t h e corre sp on d in g swi tch . T h e p owe r su p p l y f or th e map l ig h ts is su p p l ied b y th e G M V . T h ere is a court esy [...]

Interior light autom a tic c ontrols T h e GM V p rov ides 12 v ol ts to th e int erio r l ig h tin g circuit wh en th e stat u s of one of t h e fol l owi n g in p u t sig n als ch ang es: Do or contact h al l sen sor activ e (d oo r op en ) " Unl ock" req u est rece iv e d f rom d riv er door key l ock h al l sen sor (ign ition switch O[...]

activ ated , l ig h t s aut oma t i cal l y t u rn off (soft off ) aft er 8 second s. A f ter 16 minu t es wi th d oor cont act activ e ( open d oor) and key off , l igh ts are swi t ch ed off ( consu mer cu t off fu n ction ). T h e compon ent activ at io n f u n ct ion of DI S also h as t h e ab ility to swi t ch th e l igh ts. Interior light, fo[...]

In ter i o r li gh t app li ca tio n s fron t or rea r R eading b u l b , f ron t or rea r 6W T ailg at e court esy l igh t b u l b Softl ite 10 W V iso r v an ity l igh t b u l b Softl ite 10 W T runk li ght bulb, re pla ci ng T h e tr u n k l ig h ts are in teg rated with th e taill ig h t asse m b l y. Pry t ru n k l ig h t cov er ( arr o w ) g [...]

640-1 Gen era l T h e repair inf orma t ion g iv en u n d er th is h ea d ing ap p l ies to t h e h eating an d ai r cond itionin g system. M an y of t h e p roce d u res req u ire th at th e A /C refrigerant ch arge b e ev acuated . See A /C syst em wa rn in g s an d caut ions l ater in th is repair g rou p . For in formatio n on th e en g in e co[...]

be yond t he scope of thi s manu al. Integrated he a ting a nd cooling s y st e m (IHKA ) T h e E46 in teg rated au tomatic cl ima te contr ol system (I HKA ) offers p owe r fu l coo l in g and h ea t in g , eff ectiv e v ent ilation , and smooth op eratio n in A /C mod e. T h e E46 IH KA d esign in cl u d es t h e fol l owi n g : Use of R134 a ref[...]

He ater con tr ol p ersonal iza tion v ia Ca r M emory/Key M emo r y E46 I HK A co n tr ol Heat i ng and Air Con di tion i n g h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 3 of 22 2/ 25/ 2009 11: 16 PM[...]

Control panel and mod u le He atin g an d air cond ition ing f u n ct io n s are p rog ramme d v ia th e cent er con sole moun t ed con t rol p anel . T h e cont rol p anel h as l arg e, easy to u se soft-t ouch cont rols, an LED disp l ay and a sing l e temp eratur e settin g . 1 - M an u al air d istrib u t io n cont rol b u t ton s 2 - Int erio [...]

th e fron t p an el, incl u d es an EEPROM ch ip f or storage of Di agn ostic Tro u b l e Co d es (DT Cs). I n p u t s t o t h e modu l e incl u d e: He ater core temp erature sensor A / C ev ap orato r t emp era t u re sen sor Ot h er p rog rammed f u n ctions from Ca r M emory (su ch as rea r wind ow d efrost timing ). T h e modu l e can g o in t[...]

Solar sen sor inp u t (if app l ica b l e) A rocke r switch is u sed to sel ect t h e d esi r ed cab in temp eratur e, sh ow n in t h e d isp l ay matrix of t h e cont rol p an el. T h e rang e for t emperatu re d isp l ay is fr om 15 ° to 32°C (60 ° to 90 ° F ). A "serv ice statio n " f eatu re is int eg rated int o th e E46 IH KA . [...]

T h e operatio n of t h e A / C compressor is modu l ated, el iminatin g n oticea b l e on / off cycl ing . In ord er t o redu ce fu el consu mp tion an d imp rov e v ehicl e p erforma n ce, th e syst em d efau l t is with th e com p ressor OF F. T h e A / C system u ses a v ari abl e d isp l ace ment comp ressor. The swa sh p l ate of th e comp re[...]

sign al to t h e ECM en abl es t h e ECM to modify th e idl e sp ee d , t imi n g and f u el inj ect io n amoun t b ase d on t h e l oad t h at is imposed wh en t h e compressor is activ ated . Re g u lated engi ne coo li n g fan op era ti on T h e eng ine coolin g f an ( ar row ) operates at v aria b l e sp eeds (15 st ages) b ased on coo l in g s[...]

M ax i mum defrostin g Pressi n g th e d efrost b u tt on t u rn s on max imu m d efrost fu n ctions: Fresh ai r d istrib u t io n va l v es are open ed . Re circu l atio n v al v es are closed . Win d sh ield d efro st v ents are open ed . A l l oth er air d istribu tion v en ts are cl ose d . Bl owe r r u n s at max imu m sp ee d . Re ar wi n d o[...]

2 - Defrost 3 - F ootwe l l 4 - Reci rcu l ation 5 - F resh air T wo d iff ere n t t yp es of ai r d istrib u t io n motors are u sed in th e system. F ast acting motors ( A ) are u sed for th e fresh ai r/ recircul atio n f l aps. (Ri g h t sid e sh ow n . ) - Sl owe r act ing motors ( B ) are u sed for t h e oth er op era tions. T h e cent er d a[...]

IHKA p er sonali zation Ca r M emory/Key M emor y al l ows v ario u s fu n ctions and featu res of IH KA con t rol to b e tailored to th e d riv er ' s wishes. T h e fu n ctions of IHKA th at can b e p rogr amme d b y t h e d riv er in cl u d e: A u t oma tic activ atio n of recircul ation when t h e v ehicl e is started Bl owe r sp ee d adj u[...]

Automatic air re circulatio n A s of mod el year 200 0, au tomatic reci r cu l atio n cont rol is av ai l abl e. This system u ses an ai r q u al ity sensor (AU C) ( ar row ), l oca t ed at t h e t op r igh t corner of th e ra d iator, t o d etect h igh l ev el s of ai r p ol l u t io n and aut omatica l l y switch th e I HKA to recircul atio n of [...]

Co ol ing System . Serv icing t h e A / C system requ ires t h e u se of sp eci alized equ ip men t. Fol l ow th e equ ip men t manu f actur er's in str u ction s. Rea r w i ndow de fog ge r T h e electric rear wi n d ow d efogg er swi t ch is int egrat ed in t h e I HKA cont rol p an el . Pressi n g th e rea r wind ow d efogg er b u t ton act[...]

On h ard top : Re ar relay is en ergized. Pow er to h ard t op wind ow is su p p l ie d th rou g h conn ector strip on h ard t op l ock. On con v ertib l e top : Re ar relay is en ergized. I t p ow ers fron t rel ay. I f conv ertibl e top con tr ol modu l e (CV M ) sig n al s t h at conv ertibl e t op is l ocke d to wind sh ie l d frame, f ront rel[...]

modu l e. The mod u l e t h en cal cu l ates v olt ag e d rop across th e p h otore sistor and d etermines t h e d eg ree of solar h eating b ase d on t h e ch ang e in v ol tag e. V ol tage d rop across th e p h otore sistor increase s as sol ar radiatio n in crease s. T h e I HKA con trol modu l e p roce sses th e p h otoresi st or in p u t ev er[...]

No isy or sei zed comp ressor No isy comp ressor cl u t ch M alf u n ct ionin g b el t Di agn osis of n oi sy eng ine comp artment compon ent s is cov ered in 100 En g in e– Gen era l . A / C b el t rep l ace ment is cov ered in 020 M ai n t enan ce . Cool in g sys tem p robl ems Co ol an t p rob l ems Co ol ing fan p robl ems Co ol ing system p [...]

- Po ke a sp ray wand t h rou g h IH KA h ousin g open in g an d sp ray comme rciall y av ailab l e cl eanin g agen t on ev ap ora t or. M ov e wa n d b ack and f orth to cov er ev aporator fin s wi t h l iq u id . - A l l ow 5 mi n u t es f or l iqu id to d rip th roug h ev aporator d rain. - Start car an d ru n h eater and A / C at max imu m p ow[...]

p rogr amme d su b stitu t e v alu e. See Ta b l e a . Tabl e a. Su bstitu te p rog ra mme d va l u es fo r IHKA compo nent in p u ts In pu t Workin g ra ng e Sub stitute va l u e H eat ex ch an g er sensor 5° t o 12 4°C (41 ° t o 25 5°F ) 55 ° C (13 1°F ) Ev aporator sensor -10 ° t o 30 ° C (14° to 86°F) 0°C (32 ° F ) I n terio r temp [...]

Tabl e b. T emper ature se nsor re sistance values a t 25°C (77 °F ) Se nso r Res i stance F aul t li mit 12 5°C (25 7°F ) Ev aporator 9 k ± 2% Te mp > 12 0°C (24 8°F) I n terio r 10 k ± 2% T emp ≤ -46 °C (-51 ° F ) Ta b l e c l ists A /C ev aporator temp eratur e-dep end ent resistance v alu es. Tabl e c. A/C eva p o ra tor temper a[...]

Tabl e d. E xpansion va l ve p res sure va l u es I n l et p ressure 14 b ar (20 3 p si) Ou t l et p ressu re 1 . 8 b ar (26 p si) Le ak t est with d etector p ressure 1 - 2 b ar (14 .5 - 29 p si ) A / C sys tem w a rnings and ca utions WA RN I NG! A lways wea r hand and ey e pro t ec ti on (glo ves and go gg les) wh en wor king ar ou n d the A /C [...]

Th e A /C sys tem is fi ll ed wi th re frig era n t g as w hi ch i s under pres su re . Pre ssu rized refrig era n t in the p re sence o f ox yg en may fo rm a co mbus t ib le mixtu re. Ne ver i n tro duc e co mpre ssed air in to any re frige ra n t container (full o r empty). Electr i c w eldi ng near refr ige rant hos es ca u ses R-13 4a to deco [...]

co mpo nents i n R-13 4a sy ste m. Co mpone nt d am ag e and sy ste m co ntamin atio n res ults . Th e mixtu re o f re frige ra nt oil (PA G oil ) and re frige ra n t R-134 a atta cks s o me me tals and all o ys (fo r ex ample, co p per) and brea ks down ce rta i n h os e mate rials. Use o n l y hos es and l i nes that are id enti fied wi th a g re[...]

640-2 Ven ts a n d Du cts T h e I HK A ai r d istrib u t ion syst em incl u d es 5 ai r d istrib u t ion motors (step p er motors), righ t and l eft f ootwe l l d u ct s, d ash b oa rd m oun t ed d efroster v ent s, an d th ree sets of f ace l ev el v ent s. Re mov al of at l east on e of t h e step p er motors (righ t footwe l l v ent ) in v ol v [...]

Sq u ee ze p l astic cl ip ( ar row ) t o release motor. T il t motor ou t of h ou sing . - During inst all at io n , b e su r e to alig n ai r d istrib u t io n fl ap and motor dr iv e ( A ). Right s i de ai r distribut i on m otors , a c ce s sing Fou r of t h e air d istr ibu t io n motors are u n d er t h e rig h t sid e of t h e d ashb oard: R[...]

Ri g h t sid e fresh air/recir cu l ation motor ( ar row ): For access, remov e rig h t f oo t w el l d u ct as d escribed b elow. Unh ook l in kage, th en remo v e motor. De f roster ai r d istribu t ion motor ( ar row ) V ent il atio n d istrib u t ion m otor ( ar row ) For access, remov e d efr oster ai r d istribu tion motor. Ri g h t f oo twel[...]

Unh ook l in kage, th en remo v e motor. Left side a ir di s tribut i on m oto r, ac c ess i ng T h e fresh air d istrib u t io n motor is u n d er th e l eft side of th e d ash b oard. Remo v e th e l eft footwe l l (p edal cl u st er) tr im p anel for access. CA UTI ON! Disa sse mble in terio r trim ca refu ll y to av oid d am ag e. - M ov e st e[...]

Right fo otw e ll duct, re m ov ing and inst al ling - Re mov e g l ov e comp artment as d escri b ed in 513 I n t eri or Tri m . - Re mov e I HKA con tr ol p an el or GPS O n -Boa r d M on itor, as app l ica b l e (d escribed b elow). Re ach t h rou g h con tr ol p an el open ing to d etach ai r d u ct l ocking cl ip ( ar row ) from h eater/ev ap [...]

Re mov e ai r v ent moun t ing screw s ( ar row s ). - Li f t v en t sl igh t l y and wi t h d r aw f rom d ashb oa r d . - I n stal l ation is r ev er se of remov a l . No te: Re moval of ri gh t or cen ter da shbo ard vent i s si mi l ar. To f ull y remove t he cen t er da shbo ard vent, use pli ers to de t ach co ntrol cab l e hou si ng an d rem[...]

[...]

remo v e. Re mov e screws ( a rr o w s ) at r ea r of sh ifter t rim (wind ow swi t ch carrie r). Li f t trim at b ack t o u n h ook from f ront . Re mov e screws ( a rr o w s ) at f ron t and rea r of ash t ray carri er. Lift u p asht ray carri er. - Re ach u p t h roug h op enin g an d p u sh I HKA con trol mod u l e and p anel out . - De t ach e[...]

- Pu l l off menu b u t ton on face of monitor. Reach th roug h ap ertu res wi t h screw d riv er to t wist catch es. T h is r elease s monitor from console. - Pu l l out monitor an d d etach electrical h arn ess conn ectors in b ack. Heate r core tem pera ture s e ns or, rem oving and ins ta lli ng - Re mov e I HKA con tr ol p an el or On - Bo ard[...]

p ipes. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Heat i ng and Air Con di tion i n g h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /6... 4 of 4 2/ 25/ 2009 11: 17 PM[...]

640-4 Bl ow er Com p on en ts B l ow e r m oto r, rem ov ing a nd ins ta lli ng Re mov e h ou sing f or int eri or v ent il ation micro f ilt er. Re mov e u p p er cov er an d micro f ilt er. Op en wi ring h arn ess l oo m ( A ) and remo v e wi res. Unf asten screw s ( B ) a n d remo v e l ow er h ousin g . Re mov e h eate r b u l kh ea d cov er: R[...]

Working in side rig h t sid e of cow l , p u l l u p on l ev er ( ar row ) and d etach righ t ai r int ake f l ap f rom b l owe r h ou sin g . Pry off b l ow er cov er retainin g cl ip s ( A ). Re mov e screw ( B ) and l ift off out er b l owe r h ou sing cov er. Re mov e b l owe r cov er retai n ing screws ( ar row s ). Li ft off cov er. De t ach [...]

Pry off b l ow er motor retai n ing st rap . - Pu l l b l owe r motor f orwa rd t o remo v e. - I n stal l ation is r ev er se of remov a l : A l ign sl ot in b l owe r motor with moun t ing tab in b l owe r motor h ousin g . B l ow e r m oto r re sis tor pac k , repla c ing No te: The blow er motor resi stor pack i s also referre d t o as t he fi [...]

( ar row s ). De t ach el ectrica l h arness conn ector. Press retai n in g cl ip awa y f rom swi t ch to relea se swi t ch . - I n stal l ation is r ev er se of remov a l . M ake su re el ectrica l h arn ess is rout ed as b efore. A l ign g u id es and cl ip s correctl y. Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Heat [...]

640-5 Hea ter Com pon en ts T h e h ea t er v al v e is l ocated in t h e l eft side of th e eng in e comp artment, attach ed t o th e l eft st ru t t ow er. The solenoid op era ted va l v e cont rols coo l an t f l ow th roug h t h e h ea t er core . T h e I HK A h ou sing , l ocate d u n d ern ea th th e cen ter of t h e d ash b oard, h ou ses th[...]

- I n stal l ation is r ev er se of remov a l . I n sp ect h ose s an d ru b b er mou n t s. Re p l ace as n ecessa ry. Use n ew h ose cl amp s. Ti gh teni n g torqu e Co ol an t h ose cl amp 32 - 48 mm (2 1/4 - 4 in . ) 2 .5 Nm (22 in-l b ) Heate r core , re pla ci ng Re mov e h ou sing f or int eri or v ent il ation micro f ilt er. Re mov e u p p[...]

Working at r ea r en g ine compartmen t b u l kh ea d , l oose n h ose cl amps ( ar row s ) and d etach h eater h ose s. - Bl ow ou t ex cess coo l ant from h ea t er core usin g comp ressed air at coolan t l in es. - Re l ea se rig h t ai r d u ct fr om I HKA h ousin g . Working in side p asseng er compartmen t at I HKA h ousin g : De t ach wiri n[...]

( ar row s ) t o d etach p ip es. T il t h ea t er core to remov e f rom h ousin g . - I n stal l ation is r ev er se of remov a l . Fit l u g s in b ack of h ou sin g cov er in h eate r h ousin g sl ots. Use n ew sea l ing O -ring s an d coa t wi t h an ti-sei ze ag ent . Fil l and b l ee d coolin g syst em. See 170 Ra d iator and Coo l in g Syste[...]

mo to r ve h i cle air co n di tioner mu st, b y law , b e pro p er l y tra i ned and ce rtifi ed, and u se appro ved refr i ge rant rec yclin g equ i pment. T ec hn ici ans mu st co mplete an EPA -app ro ve d re cyc l i ng co ur se to be ce rtifi ed Re mov e h ou sing f or int eri or v ent il ation micro f ilt er. Re mov e u p p er cov er an d mic[...]

- Bl ow ou t ex cess coo l ant from h ea t er core usin g comp ressed air at coolan t l in es. - Fol l ow in g man u f actu rer's inst ru ct io n s, conn ect ap p rov ed refrigerant recov e ry/recycl ing /rech argin g u n it to A /C syst em and d isch arge syst em. Working in rig h t r ea r of en g in e compartmen t, d etach A / C l in es: Re [...]

- Working in side p asseng er compartmen t b el ow st eer ing colu mn , d ril l out steeri n g col u mn sh ea r b ol t . See 320 Steeri n g and W h ee l Align ment . Re mov e st ee rin g colu m n moun t ing b olt s. Lo wer colu mn . Und er d ash attach men ts 1 - Bu l kh ead 2 - Le f t A -p ill ar 3 - He ad p rotectio n airbag 4 - Steeri n g col u [...]

Working at r igh t sid e of d ash : Cut wire t ie ( A ) at d ash b oard rei n f orceme n t su p p ort f or rel ay p anel . T u r n f u se p an el l ock tab s ( B ) 90 ° and swi n g fu se p an el d own. De t ach f u se p an el p iv ots ( C ) from d ashb oa r d reinf orcem ent . - Li f t off d ashb oard reinf orce ment , maki n g su re all el ectric[...]

Re p lace hea ter and A /C f lange O-rin g s and tighten fas teners to spec i fied tor q ue s. Ti gh teni n g torqu es Co ol an t h ose cl amp 32 - 48 mm (2 1/4 - 4 in . ) 2.5 Nm (22 i n -l b ) Steeri n g col u mn t o d ashb oa rd rei n forceme n t 22 Nm (16 f t-l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Heat i ng [...]

640-6 A i r Con di tio n i n g Com po n en ts T h is sect io n cov ers remo v al an d inst all at io n of air con d itioning refrigerant comp on ent s. A / C testin g and d iagn osis, refrig erant d isch arg e, ev acu ation an d recharg e are not cov ered h ere. T h e A /C con d en ser, compressor , rece iv er d ryer, p ressur e sensor, refrigerant[...]

5 - Compre ssor 6 - Lo w p re ssure li n e 7 - Ac ces s po rt 8 - Doub le pi pe 9 - Expansion valve 10 - Eva p o ra to r 11 - Ac ces s po rt 12 - Pre ssure sensor A / C c om pre ss or, re pla c ing - Fol l ow ing manu f actur er's inst ru ct io n s, conn ect an app rov ed refrigerant reco v ery/ recycling /rech argin g u n it t o A / C system [...]

Re mov e d riv e b el t. - D etach and set asi d e fr ont washer fl u id reserv oir. See 61 1 W ipers and W ashers . - D isco n n ect el ectrical h arness conn ector f rom comp resso r. Re mov e A / C p ressu re h ose a n d su ct io n h ose fl an g e b ol ts ( arr o ws ) from compressor. Pl u g h ose s immediately. - A l l -wheel- d riv e m odel: U[...]

- R echarg e system f ol l owi n g equ ip men t manu f actur er's inst ru ct io n s. See Ta b l e e f or A /C system f l u id sp eci ficatio n s. Tabl e e. A/C sys t em fl ui d spe cificatio ns Fl ui d Q u anti ty R -13 4a refrig era n t 74 0 ± 25 g (2 l b ± 1 oz.) R efrigerant oi l PA G oi l A / C c ond enser, repla c ing T h e A / C cond e[...]

Re mov e f ilt er h ou sin g mou n tin g screw s ( D ). De t ach air d u ct con n ections ( E ) and l ift comp l ete air f ilt er h ousin g out of eng in e compart ment , p u l l in g it forwa rd awa y f rom mass ai r f l ow sensor. - R emo v e int ake h oo d , coo l ing f an and sh rou d , an d rad ia t or, as d escribed in 17 0 R adiator and Co o[...]

A / C sy stem fl ui d specification s Fl ui d Q u anti ty R -13 4a refrig era n t 74 0 ± 25 g (2 l b ± 1 oz.) R efrigerant oi l PA G oi l A / C re ce iver/ drier , r epl ac ing T h e rece iv er/d r ie r is mou n t ed in t h e f ront righ t corner of th e en g ine comp artment b ehin d and b elow th e head l igh t asse m b l y. - Fol l ow ing manu[...]

Re mov e refrig era n t p ressu re l in e moun t in g b ol ts ( A ) from recei ve r/ d rie r. Pl u g l in es immedia tel y. Di sconn ect h ig h p ressur e swi t ch h arness conn ector ( B ). - Worki n g b en ea t h righ t f ront of car, remo v e sp l ash sh ie l d retai n ing screw s. Re mov e sp l ash sh ield . - L oosen r ece iv er/d rier moun ti[...]

WA RN I NG! Do n ot di sc harg e/char g e the A /C sy stem with ou t p ro p er e quipment and tra i n in g. Dam ag e t o th e ve h icl e and pers onal inj u ry ma y res u l t. Re mov e h ou sin g f or int erio r v en til ation micro fil ter. Re mov e u p p er cov er an d microfilt er. Op en wi ring h arn ess l oom ( A ) and remo v e wi res. Unf ast[...]

Working in side rig h t sid e of cow l , p u l l u p on l ev er ( ar row ) an d d et ach r igh t air int ake fl ap f rom b l owe r h ou sin g . - Worki n g in rig h t f ron t of IH KA h ousin g , d etach d ou b l e p ipe (A / C l ine) f rom ex p an sio n v al v e. La y d ou b l e p ip e aside. Pl u g u p op en A / C p orts. - R emo v e ex pan sion [...]

- D rai n en g in e coo l ant . See 17 0 Ra d iator an d Coo l in g Syst em . - R emo v e compl ete I HKA h ousin g as d escribed ear l ier. - R emo v e h ea t er core as d escri b ed ea r l ie r. - Worki n g on l eft sid e of IHKA h ousin g : De t ach ev aporator temp erature sensor el ectrica l h arness con n ector and p u l l out sensor. De t ac[...]

Re mov e d ou b l e coolan t p ip e. - Pry off ev aporator h ousin g retai n in g cl ips an d r emo v e cov er . Pu l l ev ap ora tor an d ex p ansion v al v e out of b ott om of h ousin g . - I f in st all in g n ew ev ap ora tor, switch ov er ex p an sion v alve . Use n ew sea l in g O -ring s. CA UTI ON! Do n ot bend co o l i ng fin s on ev apor[...]

650-1 Gen era l T h is sect io n cov ers th e BM W f actory- inst all ed soun d syst em, incl u d in g radio, amp l ifier an d sp eake r remov al . Ra d io an tenn a inf ormatio n is al so incl u d ed. Spec ia l tools Use BM W sp eci al t oo l 00 9 32 1 or equ iv alen t p l astic p ryin g t ool to p ry ou t p l astic in terio r p arts withou t d am[...]

T h e stan d ard E46 radio fea t u res a casse t te p l aye r. The op tional r adio h as a sing l e in-d ash CD p l aye r. Both rad ios are p rewi red for t h e op tional CD ch ang er th at moun ts in t h e t ru n k. A n oth er op t i on, th e On -Boa rd M on itor, int egrates G PS n av i g ation wi t h rad io and IH KA cont rol s. Basic radio co n[...]

T roublesho oting A l th oug h el ectron ic radio and sou n d system t roub l eshooting is b eyon d t h e scope of th is manu al , t h ere are n u mb er of self -t ests th at are p ossi b l e wi th t h e stand ard BM W radio inst all ed in E46 cars. Ra d io test f u n ct ions are activ at ed b y p ressi n g th e M b u tt on with in 8 second s of sw[...]

650-2 Ra di o a n d A u di o A cces s ori es Radio, re m oving a nd ins tal ling CA UTI ON! B efo re b eg in n in g w or k on th e ra d i o or so und sy ste m, ver i fy that th e ra di o i s an o ri g i n al equ i pment B MW radio and th at the w irin g harnes s h as n o t bee n mo di fi ed. Ser vicin g o f after mar ket so u nd equ i pment sho uld[...]

A m pli fier I n al l model s th e soun d syst em ampl ifier is inst al l ed b eh ind t h e t rim on th e l eft side of th e car. - Sedan or Coup e: To acce ss ampl ifier, carefu l l y remov e t ru n k trim cl i p s on l eft sid e an d p ee l b ack trim. Sp ort W ag on: Remo ve l eft carg o compartmen t t rim cov er. Soun d system ampl ifier ( ar r[...]

650-3 Spea kers Each model in th e E46 model l in e-up featu res a sl igh tl y d ifferent sp ea ker setup . Sp eake r an d oth er compon ent l oca t ions also v ary d ep end in g on t h e typ e of sou n d syst em in st all ed . Some of th e commo n sp ea ker inst all atio n s are cov ere d in t h is section. Sedan an d Sp ort W ag on: T h e stan d [...]

wi n d ow d efroster relay wh en th e top is l ow ere d . T h is swi t ch es off th e stereo p h onic f u n ction. Doo r m ount e d speak e r, rem oving WA RN I NG! A l l E46 ca rs ar e e q u i p ped wi th fro nt doo r airbag s. Re ar doo r airbag s ar e o p ti o n al. B efo re perfo rming any wo rk in vo l ving airbag s, d isco n nect th e neg ati[...]

Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o f th is ma n u al on p ag e vii i . - Re mov e l owe r sectio n of rear sea t side tr im. - I f n ecessa ry, remov e conv ertib l e top mod u l e. See 541 Co n ve rt ibl e T op (l eft sid e onl y). - Sp ea ker is attach ed t o side w[...]

screw s. Unh ook and p u l l su b woo f er d own. Re mov e el ectrica l h arness conn ector. - Co n ve rt ibl e: Working in t ru n k, u n h oo k an d swi n g ou t su b wo ofer. Sq u ee ze p l astic h arness cov er and remov e. De t ach el ectrica l h arness conn ector. Usi n g p l astic p ry tool, g ent l y p ry su b wo ofer at b ot tom l eft and p[...]

650-4 A n ten n a A ntenna and diversity T h e ant enn a u sed f or th e radio, tel eph one an d FZ V r emo t e en t ry system is in teg rated with t h e rear wi n d ow d efogg er in th e Se d an an d Co u p e mod els. Co n ve rt ibl e and Sp ort W agon mod el s featu re a d iv ersi t y an t en n a system t o p rov id e t h e st rong est p ossibl e[...]

FZ V ( keyless en try) an ten n a combin ed wi th F M 2 an ten n a T h e FM 1/ FM 2 an ten n a amp l ifier is l oca t ed b eneath t h e rear sp oi l er. T h e sign al from t h is amp l ifie r i s tran smitted to th e d iv ersi t y mod u l e in t h e carg o compartmen t b eh ind t h e l eft t rim p anel . 1 - Su p p ressio n f ilt er 2 - A n t enn a[...]

Di v ersity swi tch in g mod u l e, moun t ed b el ow an t enn a mast in tru n k M ore in formatio n on t h e rea r wind ow d efogg er/an t enn a system is in 64 0 He atin g and A ir Co n d itio n in g . No te: The tel ep hon e an ten na i s w ou nd arou nd the main anten na mast. A ntenna, re m ov ing (C onv ertible m od e ls) Unscrew and remo v e[...]

Pl ace ant enn a b ase d own on b racke t. Re mov e ant en n a h ead f rom ab ov e fend er. - T o remov e b ase , sl id e towa r d r ea r of car, th en d etach cab l e conn ections. - Wh en inst all ing , make sure t h e offset of an ten n a h ead p oint s towa rd b ack of car. A ntenna am plifier, a cc e ss ing - Co n ve rt ibl e mai n an t enn a [...]

- Sedan or Coup e an t enn a su p p ressor: Re mov e righ t roo f p il l ar (C-p ill ar) trim p an el t o access sup p resso r . Sp ort W ag on FM 3 ant enn a/d iv ersi t y modu l e: Re mov e l eft carg o compart ment trim cov er to g ain access to modu l e ( ar row ). - Sp ort W ag on FM 1/FM 2 ant enn a ampl ifier: Re mov e rea r sp oi l er. See [...]

720-1 Gen era l T h is sect io n cov ers rep ai rs to th e sea t b elt s. M u l t ip l e Re straint Syst em (M RS II ) electron ics int egrat e sea t b elt operatio n s an d ai rbag d ep l oyme n t . A irbag r epair inf orma tion is cov er ed in 72 1 A irb ag Syst em (SRS) . A l l E46 mod el s are equ ip p ed w ith 3-point sh oul d er b el ts at f [...]

T roublesho oting T h e sea t b el t ree l sh ou l d l ock when d riv ing q u ickl y t h rou g h cu rv es, d u ring sev ere b raki n g or in case of a col l isi on. T h e aut oma tic reel d oes not req u ire any serv icing an d sh oul d n ev er b e open ed. I n case of an acciden t , fol l ow th e sea t b elt trou b l esh ooting p rocedu res p rese[...]

wi th a l u ke -w ar m so ap solu ti o n o n l y. Sea t b elts sho uld be perio d i ca l l y in spect ed for webb in g defe cts su ch as c ut s o r pulled th re ads. I mme di ate l y after replacing a dama ge d or w or n se at belt, destr oy th e old b elt to p rev ent it fro m bein g us ed ag ai n. Tab le a. Trou bl eshoo ti ng th e automatic se a[...]

Probl em Probabl e ca use Repa i rs Sea t b el t d oes not retract aut oma t icall y. (See n ote.) A u t oma tic reel l oose Ti g h t en ree l moun tin g b ol t. Re t u rn sp ring b roken in side ree l Re p l ace re el assem b l y. A u t oma tic b el t sq u ea ks wh en b elt fasten ed or u n fasten ed. Ex cessiv e f riction in b elt g u id es Re p [...]

Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Seat Belts h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /7... 5 of 5 2/ 25/ 2009 11: 20 PM[...]

720-2 Fron t Sea t Bel t A s s em bl y Front s e a t belt tensioner, rem oving and inst a lli ng T h e fron t sea t b el t l ocks are equ ipp ed wi t h p yrotech n ic (ex p l osiv e ch arg e) automatic ten sioners. T h ese t en sio n ers are d esign ed t o au tomatica l l y retract and t ension th e sea t b el t b y 55 mm (app rox imate l y 2 inch [...]

Do n ot ex p os e p yr ote chni c co mpo nents to tem p er atu res abo ve 75 °C (167 ° F ). Pyr ote chni c co mpo nen ts c an o n l y be teste d elec t rica l ly w h en in sta ll ed, us i n g B MW se rv ice tes ter DI S, MoD i C o r equ ivalent sc an too l. Do n ot fire a pyr ot ec h n ic ga s g enera to r p rio r to di spo sa l . I t mu st be fi[...]

De t ach h arn ess con n ectio n ( B ). Re mov e t ensioner mou n tin g b ol t ( C ). Check ten sioner mou n t ing b r acke t ( ar row ) f or d ama g e or b end ing . Re p l ace if n ecessa ry. CA UTI ON! A b ent tensioner mo untin g brac ket ma y mak e it impos si bl e to adj us t se at h eight. Wh en rei n stal l in g : Re p l ace wire t ie s t o[...]

as sem b l y (Sedan, Coup e, Spo rt Wago n ) 1 - Sea t b elt b u ck l e 2 - Tensio ner moun tin g b ol t tig h t en t o 48 Nm (35 ft -l b ) 3 - Sea t b elt l ock wi th pyrotec h n ic tension er 4 - Sea t b elt stop bu tton 5 - Sea t b elt ancho r bo lt tig h t en t o 48 Nm (35 ft -l b ) 6 - Sea t b elt ree l as sem b l y 6a - Sea t b elt ancho r en[...]

12 - Space r 13 - Sea t b elt ancho r bar (Coup e on ly) 14 - Ca p 15 - Gromme t 16 - Sea t b elt ree l moun tin g b ol t M 10 tig h t en t o 31 Nm (23 ft -l b ) 17 - Sea t b elt h eigh t adju ste r Front seat bel t ree l, re m ov ing and inst al li ng ( Se dan, Coup e or Sport Wa gon m odels) - D etach b att ery n egat iv e (-) cabl e in l u g g a[...]

Re mov e anch or b ar b ol t an d sl ip off end of sea t b el t fr om b ar. No te: Re pl ace an chor ba r i f i t i s ben t . Prying g en t l y u p ward, remov e p l astic d oor sil l p rotector str ip. Sedan or Sp ort W ag on m odel s: Remo v e l ow er B-p il l ar (d oor pil l ar) p l astic t rim. Pry g ent l y al on g b ottom of t rim t o d ise n[...]

Pu l l B-p il l ar u p p er t rim d ow n t o remov e. Re mov e aut omatic ree l f rom B-p il l ar: Re mov e u p p er sea t b el t anch or b ol t ( A ). Re mov e cross-b race mou n tin g b ol ts ( B ). Re mov e soun d insu l atio n at b ase of B-p ill ar. Then r emo v e aut oma tic sea t b elt ree l m oun tin g b olt ( C ). Li f t out reel. - I f it[...]

B-p ill ar b y sl id ing tab int o l ocating sl ot. Ti gh tenin g torqu es Fron t seat to f l oo r (M 10 f astener) 45 Nm (33 ft -l b ) Se at b elt anch or b ar to d oor sill 3 1 Nm (23 f t-l b ) Se at b elt to seat 48 Nm (35 f t -l b ) Se at b elt to B-p i l l ar sl idin g anch or 31 Nm (23 ft -l b ) Se at b elt ree l t o B-p ill ar b ottom 3 1 Nm[...]

conn ected to t h e b ackrest h ing e t h rou g h a l ev er and a cab l e d riv e (coup l er mechan ism). As th e ang l e of t h e b ackre st is adj u sted , t h e cab l e d r iv e will ch ang e th e an g l e of t h e in ertia l ock. I n th is wa y t h e ree l is in th e p rop er p osi tion for l ocki n g at an y seat b ack an g l e. T h e sea t b [...]

4 - Fron t sea t back res t 5 - Sup po rt 6 - SGS b elt re el moun tin g n ut M 10 tig h t en t o 39 Nm (29 ft -l b ) 7 - SGS i n ertia re el as sem b l y 8 - To rx b o lt M 6 tig h t en t o 4.5 Nm (40 in -l b ) 9 - Sea t b elt g u id e cove r, front 10 - Sea t b elt g u id e cove r, re ar 11 - Conn ec t or 12 - Clip 13 - Sea t b elt b u tton 14 - [...]

720-3 Rea r Sea t Bel t A ss em bl y Rear seat bel ts (Se dan or Cou pe m odel s ) - Re mov e rea r p arce l sh el f to acce ss sh ou l d er b el t assembl y moun t ing b olt s. - Re mov e rea r seat cu sh io n t o acce ss rear seat b el t l ock moun t ing b olt s. See 520 Seats . - T h e acco mp anyin g ill u str atio n p rov id es in formatio n o[...]

equi p ped) 2 - Righ t sho u ld er belt lo ck 3 - Lap-b elt as sem b l y 4 - Left sho ul d er belt lo ck 5 - Bolt M 10 tig h t en t o 31 Nm (23 ft -l b ) 6 - Left sho ul d er belt re el as sem b l y 7 - Ce n ter sho u ld er belt lo ck (if equi p ped) 8 - Bolt M 12 tig h t en t o 31 Nm (23 ft -l b ) Rea r seat bel ts (Sport W agon m ode ls) - C ent [...]

Re mov e sh ou l d er b elt r ee l moun t in g b ol t insid e b ackrest. No te: Re move bo w den cable fr om ba ckrest bra ckets and un hook from ba ckr est release l atch. Ce nter sea t be l t reel can be t he n be remo ved . - Ou t b oa rd sh oul d er b el t: Re mov e roo f -p ill ar (C-pil l ar) t rim. Re mov e cent er sh ou l d er b elt . - L i[...]

strap . I n st all l eft b elt l ock strap u n d ern ea th cen t er l ap b el t st rap. M etal st rap en d s mu st rest against stop on fl oo r u n d erneath seat. Rea r seat bel ts (C onv er tible m ode ls) - A ccess shou l d er b elt or seat b elt l ock moun tin g b ol ts: Re mov e cent er armrest. Pu sh sh oul d er b el ts t ow ard sid es and f [...]

T h e acco m p an yi n g il l u st ratio n p rov id es inf orma t ion on rear sea t b elt comp on ent l oca t ions an d f astener torq u es. 1 - Bol t M 10 -tig h t en t o 31 Nm (23 ft -l b ) 2 - Left sh ou l d er b el t ree l assembl y. 3 - Seat b elt st op b u tt on 4 - Left b el t l ock 5 - Bol t M 12 -tig h t en t o 31 Nm (23 ft -l b ) Co pyrig[...]

721-1 Gen era l T h is r epair g roup cov ers ai rb ag compon ent s. A i rb ag syst em repair and faul t d iagn osi s is n ot cov ere d h ere. Di ag n ostics, comp onen t testin g , an d ai rb ag system rep air sh oul d b e carri ed out b y t rained BM W serv ice techn ici ans. No te: Ai rba gs are also kno w n as t he Sup pl emen t al Re strai nt [...]

A i rba g s y st e m T h e E46 air b ag syst em con sists of th e fol l owi n g : Dri ve r airb ag in t h e cent er of th e steeri n g wh eel h u b Passe n g er ai rb ag in t h e rig h t sid e of th e d ash b oard Fron t sid e-i mp act airbag s, on e in ea ch f ron t d oor He ad Prot ectio n Syst em (HPS) ai rb ag s, on e in each fron t roof p ill [...]

2 - Pas senger airbag 3 - He ad Protect io n Sys tem (HPS) airbag 4 - Fron t d o or side-impact airbag 5 - Re ar do o r side-impact airbag (o pt io nal) 2-s tage ai rbag Begin n in g in th e 20 00 model yea r (9/19 99 p rod u ction ) t h e fron t airbag s we re ch ang ed to a 2-stag e styl e ai r b ag . T h is ensu res th at th e force of ai rb ag [...]

Upon sev ere side imp act, a g as g enerator u n it fil l s t h e He ad Protection System (HPS) t u b e with in ert g as. T h e ex p an d in g t u b e p op s out of t h e tr im to form a st rai g h t t u b e 5.1 inch es in d ia m eter and st retch ed in a st raigh t l ine from t h e l owe r wind sh ield p ill ar to ab ov e th e re ar d oor. The in [...]

M RS d ep l oyme n t l og ic p rov ides two th reshol d s for t h e activ atio n of th e safety system, d ep end ing u p on th e sev e rity of impact an d wh eth er or n ot occu p ant s h av e fasten ed t h eir seat b el t s: Belt s f asten ed, l ow imp act sp ee d : Lo wer d ep l oyme n t t h reshol d . On l y sea t b elt p yrotech n ic t ensioner[...]

A i rba g indica tor li ght T h e M RS cont rol mod u l e d etects an d stores system st atu s. T h e ai rb ag ind ica tor l igh t in t h e inst ru men t cl u st er d isp l ays t h e st atu s of th e airbag syst em wh en t h e ig n itio n key is in " acce ssory" or O N p ositio n s. System n ormal: I n d icator l igh t come s on b rie f l[...]

imme d i ate ly. A irbag (s) are in fl ate d by an ex p l o si ve d ev i ce . Handl ed impro p erly o r w i thou t adequ ate sa f eg u ards, th e sys tem ca n be ve ry dange ro u s. Sp ec ial prec au tions mu st be obse rv ed prior to any wo rk at or n ea r the airbag s. Th e airbag i s a vehicle saf ety sy stem . Ser iou s in j u ry may re su l t [...]

spec i al di spo sa l co mpany or ship p ed b ac k to B MW i n the pack ag i n g o f the new co mpo nents. Wh en rem o ving a fire d airbag u ni t, av oid co n tac t w i th th e sk i n ; w ea r g l ov es. In cas e of sk i n contac t, wash w ith w ater . Do n ot allo w airbag sy ste m co mpo nents to co me in co n tac t wi th cleanin g so l utio n s[...]

721-2 A i rba g El ectron i cs A i rba g harne s ses and connec tors I f ai rb ag con n ectio n h arn esses sh ow v isi b l e sig n s of wea r or d amage, th ey mu st b e rep l aced or repaire d . - T o rep ai r airbag h arness: Di scon n ect n eg ativ e (-) cab l e from b attery an d cov er n egativ e terminal with insu l ating materia l . Di scon[...]

CA UTI ON! Prio r to di sco nn ect in g the b atte ry, re ad th e batter y d isco n nectio n ca utio n s give n at the fro nt o f th is ma n u al on p ag e vii i . - Re mov e cent er u t il ity t ray b etwee n fron t sea t s. See 513 Int eri or T rim . Cut op en carp et on t op of cent er t u n n el to access M RS I I mod u l e. - Re mov e modu l e[...]

Re mov e el ectrica l h arness conn ector from crash sen sor ( A ). Re mov e sensor retai n ing screws ( B ) and remov e sensor. No t e d irectio n of sen sor arro w b efore remov in g . - I n stal l ation is r ev er se of remov a l . No te: Arrow on sen sor must point t o doo r si l l . Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r [...]

721-3 A i rba gs Driv e r ai rbag, re m ov i ng and ins ta lli ng - Di scon n ect n eg ativ e (-) cab l e from b attery an d cov er n egativ e terminal with insu l ating materia l . WA RN I NG! A fter di sco nn ect in g the b atte ry, w ait 5 se co n d s befor e b eg i nn in g wor k on airbag co mponents. CA UTI ON! Prio r to di sco nn ect in g the[...]

Sp ort st ee rin g wh eel: I n sert screwdriv er th roug h open ing in rear of st eer ing wh ee l and p u sh ag ai n st sp r ing t ension to rel ea se airbag u n it l ock. Re p eat p roce d u re on oth er sid e of steeri n g wh eel. Li f t off airb ag u n it and d et ach electrical h arn ess conn ectors. WA RN I NG! Sto re the rem ove d airbag unit[...]

the i n di ca to r l ight sta ys o n, the airbag sys t em w il l n o t functio n as d es i gne d . Ha ve the sy stem di ag nose d and re paired b y an au thor ized B MW dealer . - I n stal l ation is r ev er se of remov a l . M FL st ee ring wh eel: To rq u e ai rb ag u sin g sp eci f icatio n l isted b elow. Sp ort st ee rin g wh eel: Press ai rb [...]

ca utio n s give n at the fro nt o f th is ma n u al on p ag e vii i . Pry g en t l y at rig h t d ash b oard tr im to remo v e. CA UTI ON! To av oid mar rin g i n ter i or trim, wor k wi th a p lastic prying to ol. - Re mov e righ t d ash b oar d fresh ai r outl et moun t ing screw s an d p u l l outl et out of d ash . Li f t cov er from t op of p[...]

sing l e stag e air b ag, iden t ifie d b y h av in g onl y on e wire l oom in th e h arness con n ector. La ter p rod u ct io n two stag e ai rb ags are su p p l ied b y two wi re l oo m s in t h e con n ector p l u g . The two kind s of airbag s are NOT int erchan g eabl e. - I n stal l ation is r ev er se of remov a l . M ake su re wiri n g h ar[...]

De t ach h arn ess con n ector. CA UTI ON! Wh en rem o vin g and in sta l li ng the airbag unit, p ay atte n tion t o th e ro u tin g of the electr ica l h ar ness to av oid kinks or brea ks i n the w i re . - Re ar d oo r airbag : De t ach el ectrica l h arness conn ector. Re mov e moun tin g b ol ts an d remo v e ai rb ag fr om d oo r. - I n stal[...]

Co mp l ete d ash b oar d Co mp l ete h eadl in er Win d sh ield p il l ar (A -p ill ar) trim Do or p ill ar (B-p ill ar) trim - Before st arting wor k on th e HPS ai rb ag , d isco n n ect n eg ativ e (-) cabl e f rom b att ery and cov er n egativ e terminal with in su l atin g materi al . CA UTI ON! Prio r to di sco nn ect in g the b atte ry, re [...]

3 - Ca b le ho ld er 4 - Gas gener ator 5 - Self-tappi n g sc rew M 6 tig h t en t o 4 Nm (35 in-l b ) Co pyrigh t © 2006 Robert Ben tley, I n c . All r igh t s r eserv ed. Airba g Sy s t em (SRS) h tt p: // e bah n .ben t l e y pu bli s h e rs .com / BM W/3/ E46/ Repai r% 20Man u al s /7... 8 of 8 2/ 25/ 2009 11: 21 PM[...]

OBD-2 On -Boa r d Di a g n os ti cs (OBD I I ) OBD II is an acronym f or On - Boa rd Di ag n ostics II , t h e seco n d g en era t ion of on-b oard self -d iagn ostic equ ip men t requ ireme n ts. T h ese st and ards wer e ori g in al l y mand ated for Californ ia v ehicl es. Sin ce 199 6 t h ey h av e b een app l ie d t o al l p assen g er v ehicl[...]

rese t using the spe ci al scan t ool. Re movi ng the conn ector f rom t he ECM or disconn ecti ng the ba tt ery w i l l no t era se the fault memory. T h e ex t ra h ard war e n ee d ed t o operate th e O BD I I syst em consists mainl y of th e f ol l ow ing : A d d itional ox yg en sensors d ow n st rea m of t h e catal yt ic conv erters Fu el ta[...]

T h e M I L wi l l come on u n d er th e fol l owi n g con d itions. A n eng i n e man agement system faul t is d etected f or t wo consecu tiv e OB D I I d riv e cycl es. A catal yst d ama g ing fau l t . A comp on ent malfu n ct io n (su ch as catalyst d et eri oratio n ) causes emi ssions t o ex ceed 1.5 t ime s OBD II st and ard s. M anu factu [...]

Addi tio n al i nf orma t io n, M IL : A f aul t cod e is stored wi th in th e ECM u p on th e first occurr ence of a fau l t in t h e syst em b eing ch ecke d . T wo compl ete consecu tiv e d riv e cycl es wi th t h e fau l t p rese n t ill u minate t h e M IL . T h e ex ception to th e two-faul t requ ire ment is a catalyst d ama g ing f aul t , [...]

With th e u se of a u n iv ersa l or 'g en eric' scan t ool con n ected to t h e DLC (Di ag n ostic Link Co n n ector), d iagn ostic trou b l e cod es (DT Cs) can b e ob t ai n ed, along wi th th e cond itio n s associ ated wi t h th e ill u min atio n of th e eng ine serv ice l igh t. Usi n g a more ad v anced or BM W-d edicated scan too[...]

i nstall ed. Professiona l di ag nosti c scan t oo l s ava i l ab l e at t he ti me of thi s printi ng i ncl ud e the BMW factory tools ( DI Splus an d MoDiC) and a small numb er of aftermarke t BMW -spe ci f i c tools. The CS2 000 from Baum Too l s Un l i mi ted , t he Re t ri ever from Assenma cher Spe ci alt y T ools, and t he MT 25 00 from Snap[...]

requ ired t ests. T h e ECM mu st reco g n ize t h e l oss or imp airm ent of t h e sign al or compon ent an d d etermine if a sign al or sensor is f aul ty b ased on 3 cond itions: Sign al or compon ent sh orted t o g roun d Sign al or compon ent sh orted t o B+ Sign al or compon ent missing (open circu it) T h e OBD II syst em mu st monitor al l [...]

ECM cann ot d et ermi n e th e env ironmen t or en g in e operating cond itions d u e t o missing or fau l t y sign al s it will set a fau l t cod e an d , d epen d in g on cond itio n s, il l u min ate th e M I L. Ox yg en sensor mon itoring : W h en d riv e cond itions all ow , respon se rate an d swi t ch in g time of each ox yg en sensor is mon[...]

Sp eci fic cyl in d er(s) Sev erity of t h e misfire ev ent Emissi on s rel ev ant or catalyst d ama g ing M isfire d etectio n is an on -g oing monitoring p rocess th at is onl y d isa b l ed u n d er certai n l imite d cond itions. Seco n d ary ai r in j ection monitoring : Seco n d ary ai r in j ection is u sed t o redu ce HC and CO emissi on s [...]

set an d id en tify th e fau l t y b ank(s) . I f after comp l eting t h e n ex t col d start a faul t is ag ai n p rese n t, th e M IL wi l l b e ill u minated . Fu el system mon itori n g : Th i s monitors rece iv es h ig h p rio rity. It l ooks at t h e fu el d eliv ery n eeded (l on g / sh ort t erm fu el trim) f or p rop er eng in e op era tio[...]

ch eck system in t egrity. O n M S 43 .0 cars, a more so p h isticated DM T L (Di ag n ostic M od u l e - Lea k De t ectio n ) p u mp is u sed . Driv e cy c le T h e OBD II d riv e cycl e is an imp ortant concep t in u n d erstan d ing O BD I I requ ireme n ts. T h e p u rp ose of t h e d riv e cycl e is to ru n all of th e emissio n - related on -[...]

OBD-3 BM W Fa u l t Codes (DT Cs ) Below is a co mp reh ensiv e l isting of BM W DT Cs an d th e corre sp ond ing SA E P-cod es. T a ble a . Diagnos tic trouble c odes (D T Cs ) BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explan ation 1 I g n ition coil cyl . 2 I n p u t an al og timing (100 mV ) DM E in itia t es se con d [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 8 P01 01 M ass air fl ow circuit rang e/p erf. I n p u t an al og (0-5 V) Failed sign al r ang e ch eck against p redefin ed d iag n ostic l imi t s. 10 En g ine coo l ant temp . circu it rang e/p erf. I n p u t an al og (0-5 V) Sign al ran g e is ch ecke d against p [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 23 P02 06 I n j ector circu it cyl . 6 Ou tp u t d ig ital p u l se widt h (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isconn ection b etwee n ou tp u t t ransistor an d comp onen t ex[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 33 P02 05 I n j ector circu it cyl . 5 Ou tp u t d ig ital p u l se widt h (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isconn ection b etwee n ou tp u t t ransistor an d comp onen t ex[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 45 M u l t i f u n ct io n al steeri n g wh eel, tog g l e-b it I n p u t b inary stream (0-1 2V ) Ev ery 0.5 sec. a messa g e t h at in cl u d es a t ogg l e b it (tog g l es b etwee n 0->1 and 1->0 ) is t ransmitt ed. Chang e b it is monitored t o ind icate p [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n sh u n t resistor (l imitatio n v ol t age) t h en seco n d ary ign itio n v olt ag e is d etected and sh u n t r esi stor may b e f aul t y. 57 P03 25 Knock sen sor 1 circuit, (Bank 1) circuit cont inu ity I n p u t an al og ampl itu d e (13 -19 kHz) Pl au sibil ity [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n tran sistor and comp onen t ex ists. 74 A C compr esso r relay Ou tp u t d ig ital on/ off (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isconn ection b etwee n ou tp u t t ransistor an [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n sp ring w ith in motor t h rott l e b ody. 11 0 P15 42 Pe d al sen sor p otent io meter 1 I n p u t an al og (0-5 V) Failed sign al r ang e ch eck against p redefin ed d iag n ostic l imi t s. 11 1 P15 42 Pe d al S ensor Potent io meter 2 I n p u t an al og (0-5 V) Fa[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 11 7 P15 42 Pe d al sen sor p otent io meter p l au sibil ity I n p u t an al og (0-5 V) I f t h ere is a d ifference g reater t h an sp ecifie d b etwee n t wo redu n d an t sign als f rom p oten tiome t er, fau l t will b e set. 11 8 P01 20 M S 42 M otor th rottl e [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n d isconn ection b etwee n ou tp u t tran sistor and comp onen t ex ists. 12 4 P15 93 D ISA , rang e/ p erf. Ou tp u t d ig ital on/ off (activ e l ow ) DM E f in al stag e will set f l ag wh enev er a sh ort t o g rou n d , a sh ort to b at tery v ol t age or a d isco[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 13 1 CA N time out (inst r 2) I n p u t b inary stream b it d ata (0-1 2V ) CA N me ssage b et we en DM E /EG S n ot recei v ed wi t h in ex p ected t ime . 13 2 CA N time out (inst r 3) I n p u t b inary stream b it d ata (0-1 2V ) CA N me ssage b et we en DM E /EG S[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n swi tch is " l ow" for l ong er t h an p redet ermi n ed t ime . 14 2 M S 43 D M T L mod u l e fau l t DM E in tern al v alu es l ogical 14 3 P14 76 EV A P: cl amped tu b e ch eck I n p u t d igital freq u en cy (0-12 V) Freq u en cy of LDP pu mp s ree d sw [...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n on inp u t l in e. 15 3 P01 50 Ox yg en sensor p re-ca t (Bank 2), sh ort t o b att ery v olt . I n p u t an al og (0-5 V) O x yg en sen sor sign al rang e is ch ecked to d etermine if el ectrica l sh orts ex ist on in p u t l in e. V olt age sig n al must b e wi th i[...]

BM W code P-code Faul t type and fun ction Sig n al type and ra ng e Explanatio n 16 0 M S 43 T h rottl e v al v e p osi t ion cont rol l er DM E in tern al v alu es l ogical 16 1 M S 43 T h rottl e v al v e p osi t ion cont rol l er DM E in tern al v alu es l ogical 16 2 M S 43 T h rottl e v al v e p osi t ion cont rol l er DM E in tern al v alu e[...]