BMW 3 1992 Manual de usuario

Series

M3,

3181, 3231, 3251,

3281

Sedan,

Coupe

and

Convertible

1992, 1993, 1994, 1995,

1996,1997,

1998

Bentley,

Publishers

Cambridge,

Massachusetts

ROBERT

BENTLEY,

INC

AUTOMOTIVE

PUBLISHERS

Information

that

makes



1734

Massachusetts

Avenue

the

difference

Cambridge,

02138

USA

800-423-45951617-547-4170

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.rb

.co



e-mail

sales@rb

.co

WARNING-Important

Safety

Notice

Technical

Contact

Information

value

your

feedback

Technical

comments

and

suggestions

are

helpful

Please

send

your

comments

and

thoughts

Bentley

Publishers

e-mail

tech

.bmw@rb

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From

time to

time,

updates

may

made

to this

manual

listing

updates

can be

found

the

web

Iat

www

.rb

.com/update

not

use

this

manual

unless

you

are

familiar

with

basic

automotive

repair

procedures

and

safe

workshop

practices

This

manual

illustrates

the

workshop

procedures

required

for

most

service

work

not

substitute

for

fui¡

and

up-to-date information

from

the

vehicie

manufacturer

for

proper

training

as an

automotive

technician

Note

that

not

possible

for

anticipate

al¡

the

ways

conditions

under

which

vehicles

may

serviced

provide

cautions

all

the

possible

hazards

that

may

result

The

vehicie

manufacturer

will

continue

issue

service

information

updates

and

parts

retrofits

after

the

editorial

closing

this

manual

Some

those

updates

and

retrofits

will

apply

procedures

and

specifications

this

manual

regret

that

cannot

supply

updates

purchasers

this

manual

have endeavored

ensure

the

accuracy

the

information

this

manual

Please

note,

however,

that

considering

the vast

quantity

and

the

complexity

the

service

information

involved,

cannot

warrant

the

accuracy

completeness

the

information

contained

this

manual

FORTHESE

REASONS,NEITHERTHE PUBLISHER

NORTHE

AUTHOR

MAKES

ANY

WARRANTIES,

EXPRESS

IMPLIED,THATTHE

INFORMATION

THIS

BOOK

FREE

ERRORS

OMISSIONS,

AND

EXPRESSLY

DISCLAIMTHE

IMPLIED

WARRANTIES OF

MERCHANTABILITY

AND

FITNESS

FOR

PARTICULAR

PURPOSE,

EVEN

THE

PUBLISHER

AUTHOR

NAVE BEEN

ADVISED

PARTICULAR

PURPOSE,

AND

EVEN

PARTICULAR

PURPOSE

INDICATED

THE

MANUAL

THE

PUBLISHER

AND

AUTHOR

ALSO

DISCLAIM

ALL

LIABILITY

FOR

DIRECT,

INDIRECT,

INCIDENTAL

CONSEQUENTIAL

DAMAGES

THAT

RESULT

FROM

ANYUSE

THE

EXAMPLES,

INSTRUCTIONS

OTHER

INFORMATION

THIS

BOOK

EVENTSHALL

OUR

LIABILITY

WHETHER

INTORT,

CONTRACT

OTHERWISE

EXCEEDTHECOST

OFTHIS

MANUAL

Your

common

sense

and

good

judgment

are

crucial

safe

and

successful

service

work

Read

procedures

through

before

starting

them

Think about

whether

the

condition

your

car,

your

leve¡

mechanical

skill,

your

leve¡

reading

comprehension

might

result

contribute

some

way

occurrence

which

might

cause

you

injury,

damage

your

car, or

result

unsafe

repair

you

have

doubts

for

these

other

reasons

about

your

ability

perform

safe

repair

work on

your

car,

have

the

work

done

authorized

BMW

dealer or

other

qualified

shop

Part

numbers

listed

in this

manual

are

for

identification

purposes

only,

not

for

ordering

Always

check

with

your

authorized

BMW

dealer

to verify part

numbers

and

availability

before beginning

service

work

that

may

requíre

new

parts

Before

attempting

any

work

your

BMW,

read

the

wamings

and

cautions

pages

vi¡

and

vi¡¡,

and any

waming

caution

that

accompanies

procedure

the

service

manual

Review

the

warnings

and

cautions

pages

vi¡

and

viü

each

time

you

prepare

work on

your

BMW

Special

tools

required

perform

certain

service

operations

are

identified

the

manual

and

are

recommended

for

use

Use

tools

other

than

those

recommended

in this

service

manual

may

detrimental

the

car's

safe

operation

well

the

safety

the

person

servicing

the car

Copies

this

manual

may

purchased

from

most

automotive accessories

and

parts

dealers

specializing

BMW

automobiles,

from

selected

booksellers,

directly

from

the

publisher

mail

The

publisher

encourages

comments

from

the

reader

this

manual

These

communications

have been

and

will

carefully

considered

the

preparation

this

and

other

manuals

Please

write

Robert

Bentley,

Inc

Publishers

the

address

listed

the

top

this

page

This

manual

was

published

by Robert

Bentley,

Inc

Publishers

BMW

has

not

reviewed

and

does

not

vouch

forthe

accuracy

the technical

specifications

and

procedures

described

this

manual

Library of

Congress

Cataloging-in-Publication

Data

BMW

Series Service

Manual M3,

318i,

323i, 3251,

328i,

Sedan,

Coupe

and

Convertible

1992,

1993,

1994,

1995,

1996, 1997,

1998

Includes

index

ISBN

0-8376-0326-9

BMW

Series

automobile--Maintenance

and

repair--Handbooks,

manuals,

etc

Robert

Bentley,

inc

TL215

.13251356

1999

629

.28'

722--cic21



99-17179

CIP

Bentley

Stock

B398

Editorial

closing

01/99

0302010099

1098765432

The

paper

used

this

publication

acid free

and

meets

the

requirements

the

National

Standard

for

Information

Sciences-

Permanence

Paper

for

Printed Library

Materials

©Copyright

1999

Robert

Bentley,

Inc

All

rights

reserved

All

information

contained

this

manual

based

on the

information

available

the

publisher

the

time

editorial

closing

The

right

reserved

make

changes

any

time

without

notice

part of

this

publication

may

reproduced,

stored

retrieval

system,

transmitted

any

form

or by

any

means,

electronic,

mechanical,

photocopying,

recording,

otherwise,

without

the

prior

written

consent

the publisher

This

includes

text,

figures,

and

tables

All

rights

reserved

under Berne

and Pan-American

conventions

Manufactured

the

United States

America

General

Data

and



010

FundamentalsfortheDo-lt-YourselfOwner

Maintenance



020

Maintenance

Program

Engine

Transmission

Suspension,

Steering

and

Brakes

Body

100

Engine-General

110



Engine

Removal

and

Installation

113



Cylinder

Head

Removal

and

Installation

116



Cylinder

Head

and

Valvetrain

117



Camshaft

Timing

Chain

119



Lubrication

System

200

Transmission-General

210

Clutch

230

Manual

Transmission

510



Exterior

Trim,

Bumpers



520



Seats

Equipment



512

DoorWTdws



540



513



InteriorTrim



541



Convertible

Top

515



Central

Locking

and

Anti-Theft

600



Electrical

System-General



620



Instruments

Electrical



stem

610

Electrical

Component

Locations



630

Exterior

Lighting

611



Wipers

and

Washers



640



Heating

and

Air

Conditioning



612



Switches

and

Electrical

Accessories



650



Radio

Equipment

and



720

SeatBelts

Accessories



721

Airbag

System

(SRS)

Electrical

Wiring

Diagrams

Foreword

. . .

. . . . . . . . . . . . . . . . . .

. . . . .

. . . . . . . . . . . .

. . .

. . . . . . . . . . . . . . . .

. . . . .

. . . . . .

. . . ... . . .. . . . . . .

. . . . .

Warnings

and

Cautions

. . . . .

. . .

. . . . . . . . . .

. . .

. . . . . .

. . . . . . . . .

. . .

. . . . . .

. . . . . . . . . . . .

.vii

Index

. . . . . . . . . . . . . .

. . . . .

. . . . . . . . . . . .

. . .

. . . . . . . .

. . .

. . . . . . .

. . . .. .

.. .

. . . . . . . .

. .

back

book

300



Suspension,

Steering

and



330



Rear Suspension

Brakes-General



331



Final

Drive

310



Front

Suspension



340



Brakes

320



Steering

and

Wheel

Alignment

400

Body-General



411

Doors

410



Fenders,

Engine

Hood



412



Trunk

Lid

120



Ignition

System

121



Battery, Starter,

Alternator

130



Fue¡

Injection

160



Fuel

Tank

and

Fuel

Pump

170



Radiator

and

Cooling

System

180



Exhaust

System

240



Automatic

Transmission

250



Gearshift

Linkage

260

Driveshaft

BMW

SERVICE

MANUUAS

BMW

Series

Service

Manual

1988-1994

7351, 735iL,

740i,

740iL,

750iL

Robert

Bentley

ISBN

0-8376-0328-5

BMW

Series

Service

Manual

1992-1998

M3,

3181,323i,325i,

328i,

Sedan,

Coupe

and

Convertible

Robert

Bentley

ISBN

0-8376-0326-9

Glory

Days

When

Horsepower and

BMW

Service

Manual

1996-1998



Passion

Ruled

Detroit

4-cylinder

and

6-cylinder

models



Jim

Wangers

ISBN

0-8376-0208-4

Robert Bentley

ISBN

0-8376-0327-7



Alfa

Romeo

Owner's

BibleTM

BMW

3-Series

Service

Manual

1984-1990



Pat

Braden

with

foreword

Don

Black

3181,

325,325e(es),

325i(is),

and

325i



ISBN

0-8376-0707-9

Convertible

Robert Bentley

ISBN

0-8376-0325-0



Ford

F-Series

Pickup

Owner's

BibleTM

Moses

Ludel

ISBN

0-8376-0152-5

BMW

5-Series

Service

Manual

1989-1995

5251,

530i, 535i,

540i

including

Touring

Robert

Bentley

ISBN

0-8376-0319-6

BMW

5-Series

Service

Manual

1982-1988

528e,

5331,

535i,

535is

Robert Bentley

ISBN

0-8376-0318-8

ENTHUSIAST

TITLES

Complete

Roundel

1969-1998

:30

Years

the

Magazine

the

BMW

Car

Club

America

(CD-ROM)

ISBN

0-8376-0322-6

French

Kiss

With Death

Steve

McQueen

and

the

Making

of Le

Mans

Michael

Keyser

ISBN

0-8376-0234-3

The

Speed

Merchants

Journey

Through

The

World

Motor

Racing,1969-72

Michael

Keyser

ISBN

0-8376-0232-7

Mustang

Technical

Reference

Performance

Handbook

Kirschenbaum

ISBN

0-8376-0210-6

Maximum

Boost

Designing,

Testing,

and

Installing

Turbocharger

Systems

Corky

Bell

ISBN

0-8376-0160-6

Volkswagen

Sport

Tuning

for

Street

and

Competition

Per

SchroederISBN

0-8376-0161-4

Sports

Carand

Competition Driving

Paul

Frére with foreword by

Phil Hill

ISBN

0-8376-0202-5

Automotive

Books

From

Robert

Bentley

GTI,

Golf,

and

Jetta

Service

Manual

1985-

The

Design

and

Tuning

Competition



1992

Gasoline,

Diesel,

and

Turbo

Diesel,

Engines PhilipH

Smith,

6th

edition revised



including

16V

Robert

Bentley

David

Wenner

ISBN

0-8376-0140-1



ISBN

0-8376-0342-0

Going

Faster

The

Skip

Barber Racing



Corrado

Official

Factory

Repair

Manual

School

Carl

Lopez

ISBN

0-8376-0227-0



1990-1994

Volkswagen

United

States

9M-f,

Ir-

Win

Alexander

with

foreword



ISBN

0-8376-0387-0

Mark

Martín

ISBN

0-8376-0070-7



Passat

Service

Manual

1990-1993,

The

Technique

Motor

Racing

Piero



including

Wagon

Volkswagen

United

States

Taruf

with

foreword

Juan

Manuel

Fangio



ISBN

0-8376-0378-1

ISBN

0-8376-0228-9



Cabriolet

and

Scirocco Service

Manual

Race

Car

Aerodynamics



1985-1993,

including

16V

Joseph

Katz

ISBN

0-8376-0142-8



Robert Bentley

ISBN

0-8376-0362-5

The

Scientific

Design

Exhaust

and



Volkswagen Fox

Service

Manual

1987-

Intake

Systems

Philip

Smith

and

John



1993,

including

GL,

Sport

and

Wagon

Morrison

ISBN

0-8376-0309-9



Robert Bentley

ISBN

0-8376-0363-3

Volkswagen

Model

Documentation



Rabbit,

Scirocco,

Jetta

Service

Manual

Joachim

Kuch

ISBN

0-8376-0078-2



1980-1984

Gasoline

Models,

including

Volkswagen

Beetle

Portrait

Legend



Pickup

Truck,

Convertible,

and

GTI

Robert

Edwin

Baaske

ISBN

0-8376-0162-2

Bentley

ISBN

0-8376-0183-5

Jeep

Owner's

BibleTM

Moses

Ludel

ISBN

0-8376-0154-1

Eurovan

Official

Factory

Repair

Manual



MANUUAS

Volkswagen

Inspection/Maintenance

(I/M)

Emission

Test

Handbook

:1980-1997

Volkswagen

America

ISBN

0-8376-0394-3

Rabbit,

Jetta

Service

Manual

1977-1984

Diesel

Models,

including

Pickup

Truck

and

Turbo

Diesel

Robert Bentley

ISBN

0-8376-0184-3

Super

Beetle,

Beetle

and

Karmann

Ghia

Official

Service

Manual

Type 1

:1970-1979

Volkswagen

United

States

ISBN

0-8376-0096-0

Beetle

and

Karmann

Ghia

Official

Service

Manual

Type 1

:1966-1969

Volkswagen

United

States

ISBN

0-8376-0416-8

Harley-Davidson

Evolution

Twin

Owner's

BibleTM

Moses

Ludel

ISBN

0-8376-0146-0

Audi

100,

Official

Factory

Repair

Manual

1992-1997,

including

S4,

S6,

quattro

and

Wagon

models

Toyota

Truck

Land

Cruiser

Owner's



Audi

America

ISBN

0-8376-0374-9

BibleTM

Moses

Ludel

ISBN

0-8376-0159-2



Audi

80,

90,

Coupe

Quattro

Official

AUDI

SERVICE

MANUUAS

The

Racing

Driver

Denis

Jenkinson



Factory

Repair

Manual

1988-1992

ISBN

0-8376-0201-7



including

Quattro,

Quattro

and

20-valve

models

Audi

America

Unbeatable

BMW

Eighty

Years



FUEL

INJECTION



ISBN

0-8376-0367-6

Engineering

and

Motorsport

Success



Ford

Fuel

Injection

and

Electronic

Engine



Audi

100,

200

Official

Factory

Repair

Jeremy Walton

ISBN

0-8376-0206-8



Charles

Probst,

SAE



Manua1

:1988-1991

Audi

America

Control

1788-1993

BMW

Series

Enthusiast's

CompanionTM



ISBN

0-8376-0301-3



ISBN

0-8376-0372-2

Jeremy

.11



ISBN

0-8376-0149-5

Ford

Fuel

Injection

and

Electronic

Engine



Audi

50005

5000CS

Official

,ctory

BMW

Enthusiast's

CompanionTM

BMW



Control

1980-1987

Charles

Probst,

SAE



Repair

Manual

1984-1988

Gasoline,

Car

Club

America

ISBN

0-8376-0321-8



ISBN

0-8376-0302-1



Turbo,

and

Turbo

Diesel,

including

Wagon

BMW

Notecards

Series

Photography



Bosch

Fuel

In1ection

and

Engne



and

Quattro

Audi

America

ISBN

0-8376-

Klaus

Schnitzer

ISBN

0-8376-0211-4



Management

Charles

Probst,

SAE



0370-6

ISBN

0-8376-0300-5



Audi

5000,

50005

Official

Factory

Repair

Manual

1977-1983

Gasoline

and

Turbo

VOLKSWAGEN

OFFICIAL

SERVICE



Gasoline,

Diesel

and

Turbo

Diesel

MANUUAS



Audi

America

ISBN

0-8376-0352-8

New

Beetle

Service

Manual

1998-1999



Audi

40005,

4000CS,

and

Coupe

Robert Bentley

ISBN

0-8376-0385-4



Official

Factory

Repair

Manual

1984-1987

including

Quattro

and

Quattro

Turbo

Audi

Jetta,

Golf,

GTI,

Cabrio

Service

Manual



America

ISBN

0-8376-0373-0

1993-early

1999,

including

VR6

and

TDI

Robert

Bentley

ISBN

0-8376-0366-8



SAAB

OFFICIAL SERVICE

1992-1999

Volkswagen

America



Saab

90016

Valve

Official

Service

Manual

ISBN

0-8376-0335-8



19851993

Robert Bentl



ISBN

0837603129

-ey---

Saab

900

Valve

Official

Service

Manual

1981-1988

Robert

Bentley

ISBN

0-8376-0310-2

Passat

Official

Factory

Repair

Manual



VOLVO

SERVICE

MANUAL

1995-1997

Volkswagen

America



Volve

240

Service

Manual

1983-1993

ISBN

0-8376-0380-3



Robert

Bentley

ISBN

0-8376-0285-8

Robert

Bentley

has

published

service

manualsand

automobile

books

since

1950

Please

write

Robert

Bentley,

Inc

Publishers,

1734

Massachusetts

Avenue, Cambridge,

02138,

visit

our

web

síte

at http

://www

.rb

.com,

call

1-800-423-4595

for

free

copy

our

complete

catalog,

including

titles

and

service

manuals

for

Jaguar,

Triumph,

Austin-Healey,

MG,

and

other

cars

Foreword

This

service

manual

covers

1992

through

1998

BMW

Series

models,

and

specifically

de-

signed

cover

only

those

models

built

for

sale

the

United

States

BMW,

and

most

accessories

and

parts

sellers

specializing

BMWs,

refer

the

Series cars

coveredby

this

manual

the

E36

model

The

code

"E36"

BMW's

internal

code

for

the

basic

plat-

form

shared by

al¡

the

cars

covered by

this

manual

Except

for

the

engine

and

few

other

compo-

nents,

the

models

covered by

this

manual

many

same

components

such as

suspension

parts,

body

panels,

and

the

interior

pieces

When

ordering

parts,

especially

body

parts,

knowing

the

E36

code

may

helpful

BMW

also

uses an

interna¡

code

for

the

engines used

the

Series

models

Consult

the

text

the

100

Engine-General

repair

group

of this

manual

for

complete

listing

engine

codes

Engine

code

information

primarily

used

internally

BMW,

but

may

helpful

you

have access

BMW

technical

information

Forthe

BMW

ownerwith

basic

mechanical

skills,

this

manual

gives

detailed

maintenance

and

re-

pair

information

addition,

the

BMW

owner

who

has no

intention

working

his

her

own

car

will

find that

owning

and

reading

this

manual

will

make

possible to

better

informed

and

to dis-

cuss

repairs

intelligently

with

professional

technician

This

manual

has

been

prepared

from

the

repair

information

that

BMW

provides

its

factory-trained

technicians

and

has

been

developed

primarily

with

the

do-it-yourself

BMW

owner

mind

The

aim

throughout

has

been

clarity

and

un-

derstanding

with

practical

descriptions,

step-by-step

procedures,

and

accurate

specifications

The

BMW

owner

intending

maintenance

and

repair

should

have

set

tools

including

set

metric

wrenches

and

sockets,

screwdrivers,

torque

wrench,

and

feeler

gauges,

since

these

ba-

sic

tools

will

be used

the

majority

the

maintenance

and

repair

procedures

described

this

manual

This

manual

includes

detailed

information

on these

basic

tools

and

other

tips

for

the

begin-

ner

the

first

section

the

manual,

entitled

010

Fundamentals

for

the

Do-It-Yourself

Owner

For

some

the

repairs

described

this

manual,

BMW

technicians

use

special

tools

The

text

will

note

when

repair

requires

these

special

tools

and,

where

possible,

will

recommend

practica¡

alter-

natives

have

endeavored

ensure

the

highest

degree

accuracy

possible

When

the

vast

array

data

presented

the

manual

taken

into

account,

however, no

claim

infallibility

can

made

therefore

cannot be

responsible

for

the

result

any

errors

that

may

have

crept

into

the

text

The

publisher

encourages

comments

from

the

readers

this

manual

with

regard

any

errors

and,

al-

so,

suggestíons

for

improvement

the

presentation

technical

material

These

communications

have

been

and

will

carefully

considered

the

preparation

future printings

this

and

other

manuals

Please

contact

Robert

Bentley,

Inc

using

the

contact

information

the

page

the

beginning

this

manual

BMW

offers

extensive

warranties,

especially

components

the

fuel

delivery

and

emissions

control

systems

Therefore,

before

deciding

repair

BMW

that

may

still

covered

wholly

part

any

warranties

issued

BMW

North

America,

consult

your

authorized

BMW

dealer

You

may

find

that

he can

make

the

repair either

free or

minimum

cost

Regardless

its

age and

whether

not

still

protected

warranty,

your

BMW

an easy car

get

serviced

any

time

repair

needed

that

you

feel

too

difficult

yourself,

trained

BMW

technician

ready

the job

for

you

Each

authorized

BMW

dealer

senrice depart-

ment

has

made

significant

investment

service

and

diagnostic

test

equipment,

specials

tools,

and

BMW

original

parts

also

the

best

source

the

most

up-to-date

repair

and

service

tech-

niques,

which

includes

factory

training

and

technical

literature

Servicing

your

BMW

through

au-

thorized

BMW

dealer

will

insure

that

your

investment

will

protected

while

maintaining

the

highest

degree

service

standards

Robert

Bentley

Please

read

these

warnings

and

cautions

before

proceeding

with

maintenance

and

repair

work

WARNING-



Friction

materials

(such

brake

pads

shorts

clutch discs)

contain

asbestos

fibers

other

friction

materials

not create

See

also

Cautions on

page

viü



dust by

grinding,

sanding,

or by

cleaning

with

compressed

air

Some

repairs

may

beyond

your

capability

you

lack

the



Avoid

breathing

dust

Breathing

any

friction

material

dust

can

lead

skills,

tools

and

equipment,

suitable

workplace

for

any

proce-



serious

diseases

and

may

result

death

dure described

this

manual,

suggest you

leave

such

repairs



Batteries

give

off

explosive

hydrogen

gas

during

charging

authorized

BMW

dealer

service

department

other

quali-



Keep

sparks,

lighted

matches

and

open

flame

away

from

the

top

fied

shop



the

battery

hydrogen

gas

escaping

from

the

cap

vents

"Do

not

re-use

any

fasteners

that

are

worn

deformed

normal



ignited,

will

ignite

gas

trapped

the

cells

and

cause

the

battery

use

Many

fasteners

are

designed

used

only

once

and



explode

become

unreliable

and

may

fail

when

used

second

time

This



Connect

and

disconnect

battery

cables,

jumper

cables ora

bat-

includes,

but

not

limited

to,

nuts,

bolts,

washers,

self-locking

nuts

bolts,

circlips

and

cotter pins

Always

replace

these

fasteners

with

new

parts

"Do

not

quick-charge

the

battery

(for

boost

starting)

for

longer

Never

work

under

lifted

car

unless

solidly

supported on



than

one

minute

Wait

least

one

minute

before

boosting

the

bat-

stands

designed

for

the

purpose

not

support

car

cinder



tery

second

time

blocks,

hollow

tiles

other

props

that

may

crumble

under

contin-

uous

load

Never

work

under

acar

that

supported

solely



"Do

not

allow

battery

charging

voltage

exceed

volts

the

jack

Never

work

under

the car

while

the

engine

running



battery

begins producing

gas

boiling

violently,

reduce

the

charg-

ing

rate

Boosting

sulfated

battery

high

charging

rate

can

you

are

going

work

under

a car

the

ground,

make

sure



cause

explosion

that

the

ground

level

Block

the

wheels

keep

the

car from

roll-

ing

Disconnect

the

battery

negative

(-)

terminal

(ground

strap) to



The

air-conditioning

system

filled

with

chemical

refrigerant,

prevent

others

from

starting

the car

while

you are

under



which

hazardous

The A/C

system

should

serviced only

trained

technicians

using

approved

refrigerant

recovery/recycling

Never

run

the

engine

unless

the

work

area

well

ventilated



equipment,

trained

safety precautions,

and

familiar

with

Carbon

monoxide

kills



regulations

governing

the

discharging

and

disposal

automotive

Finger

rings,

bracelets

and

other

jewelry

should be

removed



chemical

refrigerants

tery

charger

only

with

the

ignition

switched

off,

prevent

sparks

not

disconnect

the

battery

while

the

engine

running

that

they cannot

cause

electrical

shorts,

get

caught

running



not

expose

any

part of

the

A/C system

high

temperatures

machinery,

crushed

heavy

parts



such as

open

flame

Excessive heat

will

increase

system

pressure

Tie

long

hair

behind

your

head

not

wear

necktie,

scarf,



and

may

cause

the

system

burst

loose

clothing,

necklace

when

you

work

near

machine

tools



Some

aerosol

tire

inflators

are

highly

flammable

extremely

running

engines

your

hair,

clothing,

jewelry

were

get

caught



cautious

when

repairing

tire

that

may

have been

inflated

using

the

machinery,

severe

injury

could

result



aerosol

tire

inflator

Keep

sparks,

open

flame

other

sources

not

attempt

work

on your car

you

not

feel

well

You



ignition

away

from

the

tire

repair

area

Inflate

and

deflate

the

tire

increase

the

danger

injury

to yourself

and

others

you

are

tired,



least

four

times

before

breaking

the

bead

from

the rim

Com-

upset

have

taken medication

any

other

substance

that

may



Pletely

remove

the

tire

from

the

rim

before attempting

any

repair

keep

you

from

being

fully

alert

Illuminate

your

work

area adequately

but

safety

Use

portable

safety

light

for

working

inside

under

the car

Make

sure the

bulb

enclosed by a

wire

cage

The

hot

filament

accidentally

bro-

ken

bulb

can

ignite

spilled

fuel

oil

Catch

draining

fuel,

oil,

or brake

fluid

suitable

containers

not

use

food

beverage

containers

that

might mislead

someone

into

drínking

from

them

Store

flammable

fluids

away

from

fire

haz-

ards

Wipe

spills

once,

but

not

store

the

oily

rags,

which

can

ignite

and

burn

spontaneously

Always

observe

good

workshop

practices

Wear

goggles

when

you operate

machine

tools

work

with

battery

acid

Gloves

other

protectioe clothing

should

worn

whenever

the job

requires

working

with

harmful

substances

Greases,

lubricants

and

other

automotive

chemicals

contain

toxic

substances,

many

which

are

absorbed

directly

through

the

skin

Read

the

manufacturer's

instructions

and

warnings

carefully

Use

hand

and eye

protection

Avoid

direct

skin

contact

Cars

covered

this

manual

are

equipped

with

supplemental

restraint

system

(SRS),

that

automatically

deploys

airbag(s)

the event

frontal

ímpact

The

airbag(s)

inflated

by an

explo-

sive

device

Handled

improperly

without

adequate

safeguards,

can

accidently

activated

and

cause

serious

injury

The

ignition

system

produces

high

voltages

that

can

fatal

Avoid

contact

with

exposed

terminals

and

use

extreme

care

when

working

on a

car

with

the

engine

running

the

ígnition

switched

Place

jack

stands

only

locations

specified

by manufacturer

The

vehicle

lifting

jack supplied

with

the

vehicle

intended

for

tire

changes

only

heavy

duty

floor

jack

should be

used

lift

vehicle

before

installing

jack

stands

See

010

Fundamentals

for

the Do-

it-Yourself

Owner

Battery

acid

(electrolyte)

can

cause

severe burns

Flush

contact

area

with

water,

seek

medical

attention

Aerosol cleaners

and

solvents

may

contain

hazardous

ordeadly

vapors

and

are

highly

flammable

Use

only

well ventilated

area

not

use

hot

surfaces

(engines,

brakes,

etc

Disconnect

the

battery

negative

(-)

terminal

(Ground

strap)



not

remove

coolant

reservoir

radiator

cap

with

the engine

whenever

you

work

the

fuel

system

orthe

electrical

system



hot

Danger

bums

and

engine

damage

not

smoke

work

near

heaters

other

fire

hazards

Keep

approved

fire

extinguisher

handy



continued

page

vii

Please

read

these

warnings

and

cautions

before

proceeding

with

maintenance

and

repair

work

CAUTION-

See

also

Warnings

on page

vi¡



Before doing

any

electrical

welding

cars

equipped

with

ABS,

disconnect

the

battery

negative

(-)

terminal

(ground

strap)

and

the

you

lack

the

skills,

tools

and

equipment,

or a

suitable

work-



ABS

control

unit

connector

shop

for

any

procedure

described

this

manual,

suggest

you

leave

such

repairs

authorized

BMW

dealer

other

qualified



cars

equipped

with

anti-theft

radios,

make

sure you

know

the

shop



correct

radio

activation

code

before

disconnecting

the

battery

removing

the

radio

the

wrong

code

entered

into

the

radio

BMW

constantly

improving

its

cars

and

sometimes

these



when

power

restored,

that

radio

may

lock

and

rendered

changes,

both

parts

and

specifications,

are

made

applicable



inoperable,

even

the

correct

code

then entered

earlier

models

Therefore,

part

numbers

listed

this

manual

are

for

reference

only

Always

check

with

your

authorized

BMW

dealer



Always

make

sure

ignition

off

before

disconnecting

battery

parts

department

for

the

latest

information

Label

battery

cables before

disconnecting

On some

models,

Before

starting

job,

make

certain

that

you

have

all

the

neces-



battery

cables are not

color

coded

sary

tools

and

parts

hand

Read

al¡

the

instructions

thoroughly,

not

attempt

shortcuts

Use

tools

appropriate

the

work

and



Disconnecting

the

battery

may

erase

fault

code(s)

stored

con-

use

only

replacement

parts

meeting

BMW

specifications

Make-



trol

module

memory

Using

special

BMW

diagnostíc

equipment,

shift

tools,

parts

and

procedures

will

not

make

good

repairs



check

for fault

codes

prior

disconnecting

the

battery

cables

. If

the

Check

Engine

light

illuminated,

see 100

Engine-General

for

Use

pneumatic

and

electric

tools

only

loosen threaded

parts



On-Board

Diagnostics

(OBD)

fault

code

information

any

other

and

fasteners

Never

use

these

tools

tighten

fasteners,

espe-



system

faults

have

been

detected

(indicated

ílluminated

cially

light

alloy

parts

Always

use

torque

wrench

tighten



warning

light),

see

authorized

BMW

dealer

fasteners

the

tightening

torque

specification

listed

normal

rapid

charger

used

charge

battery,

the

battery

"Be

mindful

the

environment

and

ecology

Before

you

drain

the



must be

disconnected

and

removed

from the

vehicle

order

crankcase,

find

out the

proper

way

dispose

the

oil

not



avoid

damaging

paint

and

upholstery

pour

oil

onto

the

ground,

down

drain,

into

stream,

pond

lake

Dispose

accordance

with Federal,

State

and

Local

laws



"Do

not

quick-charge the

battery

(for

boost

starting)

for

longer

than

one

minute

Wait

least

one

minute

before

boosting

the

bat-

battery

power

lost

the

battery

has

been

disconnected,

the



tery

second

time

power windows

must

re-initialized

Both

one

touch

up/down

and

pinch-protection

will

inactive

until

windows

are

re-initial-



Connect

and

disconnect

battery

charger

only

with

the

battery

ized

See

512

Door

Windows



charger

switched

off

The

control

module

for

the

anti-lock

brake

system

(ABS)

cannot

withstand

temperatures

from

paint-drying

booth

a heat

lamp

excess

203°F

(95°C)

and

should

not

subjected

temper-

atures

excess

185°F

(85°C)

for

than

two hours

Sealed

"maintenance

free"

batteries

should be slow-charged

only,

an amperage

rate that

approximately

10%

the

bat-

tery's

ampere-hour

(Ah)

rating

not

allow

battery

charging voltage

exceed

volts

the

battery

begins

producing

gas

boiling

violently,

reduce

the

charg-

ing

rate

Boosting

sulfated

battery

high

charging

rate

can

cause

explosion

GENERAL

FUNDAMENTALS

FORTHE

DO-IT

YOURSELF

OWNER



010-1

010

Fundamentals

for

the

Do-lt-Yourself

Owner

GENERAL

. . . . . . .

. . . . . .

. . . . . . . . .

.010-1



TOOLS

. . .

. . . . . . ... . ..

.. . . . . . . . . . .

010-8

Basic

Tool

Requirements

. . . . . .

010-8

HOW

USE

THIS

MANUAL

. . .

010-2



Jack Stands

. . . . . . .



. . .

010-9

Warnings,

Cautions

and

Notes

. . . . . . . . .

010-2



Oil

Change

Equipment

. . . .

. . . . . .

. . .

010-9

GETTING

STARTED

. . . . . . .

. . . . . .

.010-2



Torque

Wrench

. . . .

. .

. . .

010-10

Feeler

Gauges

. . .

. . . . . . .

010-10

Safety



. . . .

. . . . .



. . . . .

. . .

010-2



Digital

Multimeter



. . . . .

010-10

Lífting

the

Car

. . . . . . . . . . .

. . .

010-3



gMW

Special

Tools

. . .

. . . .

. .

. . . . .

. . .

010-11

Raising

car

safely

...

. .

...



...

.....

...

010-3

Working

under

car

safely

...

. .

....

.....

...

010-4



EMERGENCIES

. . . . .

. . .

010-11

ADVICE

FOR

THE

BEGINNER

. . . . . . .

010-4



Changing

Tire

. . . .

. .

.010-11

Car

Will

Not

Start

. . . .

. . . . . . . .

.010-11

Planning

Ahead

. . . .

. . . . . . . . . . .

. . . .

010-4



Jump

Starting

Car

. .

. . . .

. . . . . . . . . . .

010-12

Cleanliness

. .

. . . .

010-4



Overheating



. . . . .

. . . . . . . . .

. . .

010-12

Non-reusable

Fasteners

. . .

010-5



Low

Oil

Pressure

. . .

. .

.. .

. . . .

010-13

Tightening

Fasteners

. . . . .

. . .

010-5



Brake

Fluid

Level



. . . . .

. . .

. . . . .

010-13

Gaskets

and

Seals

. . . . . . .

. . .

. . . . .

010-5



Check

Engine

Warning

Light

. . .

. . . . .

010-13

Electrical

Testing

. . .

010-6



pim

Lights

. . . . .

. .

. . . .

. . . . . . . . .

010-13

Wire

Repairs



. . .

. . . . . .

010-6



Towíng



. . .

.010-13

BUYING PARTS



. . . . .

. . .

010-6



Spare

Parts

Kit

. . . . . . .

. . . . .

010-14

Genuine

BMW

Parts

. . .. . .

010-6

Non-returnable

Parts

. . . . . .

010-7



TABLES

Information

You

Need

Know

. . . . . .

010-7



General

Bolt

Tightening

Torques

SERVICE

. . . . . . .

. . . . . . . . . .

010-7

Although

the

BMW

sophisticated

and

complex

machine,

basic

maintenance

can

accomplished

by an

interested

own-

with

mechanical

skills

and

the

right

information

Most

the

preventive

maintenance

that

required

the

lifetime

the av-

erage

BMW

weil

within

the

capabilities of

the

do-it-yourseifer

WARNING

not

use

this

manual

unless

you

are

familiar

with

basic automotive

repair

procedures

and

sale

work-

shop

practices

This

manual

illustrates

the

work-

shop

procedures

required

for

most

service

work

;it

not

substitute

for

full

and

up-to-date

information

from

the

vehicle

manufacturer

for

proper

training

as an

automotive

technician

Note

that

not

pos-

sible

for

anticipate

al¡

the

ways

or conditions

under which

vehicles

may

serviced

provide

cautions

all

the

possible

hazards

that

may

result

(max

permissible)

. .

...

............

010-5

WARNING

Your

common

sense

and

good

judgment

are

crucial

to sale

and

successful

service

work

Read

proce-

dures

through

before

starting

them

Think about

whether

the

condition

ofyour

car,

your

leve¡

me-

chanical

skill,

your

leve¡

reading

comprehen-

sion

might

result

or contribute

some

way

occurrence

that

might

cause

you

injury

damage

your

car,

result

unsafe

repair

you

have

doubts

for

these

other

reasons about your

abilíty

perform

sale

repair

work

on your

car,

have

the

work

done

authorized

BMW

dealer

other

qualified

shop

This

section

the

manual

intended

help the

beginner

get

started

begin

with

there

discussion

How

Use

This

Manual

Tips

mechanicas

skills

and

workshop

practic-

that

can

help

the

beginner

faster

and

thorough

job

can

found under Getting Started

The

basic

tools

needed

most

the

procedures

this

manual

are

found under

Tools

The

section

ends

with

quick

reference

guide

Emer-

gencies,

including

basic troubleshooting

and

information

how

gauge

the

seriousness

problem

GENERAL

010-2



FUNDAMENTALS

FOR

THE

DO-ITYOURSELF

OWNER

HOW

USE

THIS

MANUAL

note

contains

helpful information,

tips that

will

hefp

The

manual

divided

into

nine sections



doing a

better

job

and

completing

easíly

GENERAL

DATA

AND

MAINTENANCE

ENGINE

TRANSMISSION

SUSPENSION,

STEERING

AND

BRAKES

BODY

EQUIPMENT

ELECTRICAL

SYSTEM

EQUIPMENTANDACCESSORIES

ELECTRICAL

WIRING

DIAGRAMS

GENERAL

DATA

AND

MAINTENANCE

covers the

rec-

ommended

maintenance

schedules

and

service

procedures

needed

perform

BMW

scheduled

maintenance

work

Also

within

this

section

the

010

Fundamentals

for

the

Do-It-

Yourself

Owner

section,

which

contains

basic

instructions,

tips

and

helpful

hints

for

do-it-yourself

maintenance

and

repair

The

seven

sections

through

are

repair

based

and

are

further

broken

down

into

three

digit

repair

groups

Each

ma-

jor

section

begins

with

General

repair

group,

100 En-

gine-General

These

"00"

(double zero)

groups

are mostly

descriptive

nature,

covering

topics

such as

theory

opera-

tion

and

troubleshooting

The

remainder

the

repair

groups

contain

the

involved

repair

information

The

last

major

section

contains

detailed

electrical

wiring

diagram

schematics

master

listing

the

9 major

sections

and

the

correspond-

ing

individual

repair

groups

can

be found on

the

inside

front

cover

Each

repair

group

begins

with

Table

Contents

listing

the

majos

subject

headings

within

the

group

Page

numbers

throughout

the

manual

are

organized according

the

repair

groupsystem

For

example,

youcan

expect

to find

repair

infor-

mation

brakes

(Repair

Group

340)

beginning

page

340-

comprehensive

index

can

found

the

back

the

man-

ual

Warnings,

Cautions

and

Notes

Throughout

this

manual are

many

passages

with

the

head-

ings

WARNING,

CAUTION,

NOTE

These

very

important

headings

have

diflerent

meanings

WARNING

The

text

under

this

heading

warns

unsafe

practic-

thatare

very

likelyto

cause

ínjury,

eitherby

dírect

threat

the

person(s)

pertorming

the

work

in-

creased

risk

accident

mechanfcal

fallure

whíle

driving

CAUTION-

caution

calls

attention

important

precautions

be observed

during

the

repair

work

that

will

helo

prevent

accidentally

damaging

the

caror

its

parts

GETTING

STARTED

Safety

NOTE-

Please

read

every

WARNING,

CAUTION,

and

NOTE

the

front

the

manual

and

they

appear

repair

procedures

They

are

very

important

Read

them

before

you

begin

any

maintenance

repair

job

Some

WARNINGs

and

CAUTIONs

are

repeated

wherever

they

apply

Read

them

all

not

skip

any

These

messages

are

important,

even

the

owner

who

never

intends

work on

the car

GETTING

STARTED

Most

the

necessary

maintenance

and

minor

repair

that

automobile

will

need

can be

done

with

ordinary

tools,

even by

owners

with

little

experience

car

repair

Below

some

important

information

how

work

safely,

discussion

what

tools

will

needed

and

how

use

them

Although

automobile

presents

many

hazards,

common

sense

and

good

equipment

can

helo

ensure

safety

Many

acci-

dents

happen

because

carelessness

Pay

attention

and

stick

these

few

important

safety

rules

WARNING

Never

run

the

engine

the

work

area

unless

well-ventflated

Theexhaustshouldbe

vented

the

outside

Carbon

monoxide

(CO)

the ex-

haust

kilts

Remove

all

neckties,

scarts,

loose

clothing,

jewelry

when

working

near

running

engines

power

tools

Tuck

shirts

Tie

long

haír

and

se-

cure

under

cap

Severe

injury

can

result

from

these

things

beíng caught

rotating

parts

Remove

ríngs,

watches,

and

bracelets

Asíde

from

the

dangers of

moving

parts,

metallic

jew-

elry

conducts

electricity

and

may

cause

shorts,

sparks,

bums,

damage

the

electrical

sys-

tem

when

accidentally

contacting

the

battery

other

electrical

terminals

Disconnect

the

battery

negative

()

cable

when-

ever

working

or near

the

fuel

system

any-

thlng

that

electrically

powered

Accidental

electrícal

contact

may

damage

the

electrical

system

cause

fire

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