Abbreviations, commonly used 010-24

ABS (antilock brakes)

A/C components

Accelerator and throttle linkage

ADS (auxiliary throttle valve)

Air conditioning

general information 640-1

air distribution motors, replacing 640-10

blower final stage (sword), replacing 640-2

blower motor, removing/installing
640-1

compressor, replacing

M30 engine 640-12

M60 or M70 engine 640-14

compressor clutch 640-15

condenser, replacing 640-16

control head, removing/installing
640-8

control module, removing/installing 640-23

evaporator, removing/installing
640-18

expansion valve, removing/installing 640-18

microfilter, replacing 640-22

outside temperature sensor, replacing 640-7

receiver/drier, replacing 640-17

sensor fan for interior temperature, replacing 640-9

warnings and cautions 640-12

Air distribution (flap) motors

Air filter

Airbag system (SRS)

general information 721-1

airbag contact ring, replacing 721-5

airbag crash sensor, replacing 721-7

driver side airbag, removing/installing
721-3

passenger side airbag, removing/installing 721-4

SRS warning light and fault display 721-1

Alternator

Antifreeze (Engine coolant)

ASC

ASC+T System

ATF (Automatic transmission fluid)

Automatic shiftlock

Automatic transmission

Auxiliary coolant pump

Auxiliary cooling fan

Auxiliary relay panels I and II 610-7

Axle joint

Back up light switch

Ball joints

Battery

Battery, starter, alternator

Battery voltage

Bearing, wheel

Blade, wiper

Blower motor

BMW emblem

BMW Special tools

Body-general

general information 400-1

body assembly 400-1

interior equipment 400-3

performance and convenience 400-2

Body dimensions

Body side molding

Brake fluid

Brake fluid level 010-22

Brakes

general information 340-1

antilock brake system (ABS)/traction control (ASC/ASC+T) 340-28

ABS hydraulic control unit, removing/installing (735i/iL or 740i/iL) 340-30

ABS hydraulic control unit, removing/installing (750iL) 340-30

ABS pulse sensor, replacing 340-32

ABS pulse wheel 340-31

ABS system inspection 340-29

ASC+T system 340-33

ASC+T hydraulic control unit, replacing (740iL) 340-37

ASC+T hydraulic control unit, replacing (750iL) 340-39

bleeding hydraulic system (ASC+T) 340-35

reinitializing ABS/ASC+T control module 340-36

bleeding brakes 340-4

pressure bleeding (except cars with ASC+T) 340-5

vacuum bleeding brakes (except cars with ASC+T) 340-6

manually bleeding brakes (except cars with ASC+T) 340-6

bleeding brakes (cars with ASC+T) 340-7

brake booster 340-16

hydraulic brake booster system 340-19

hydraulic brake accumulator, removing/installing 340-24

hydraulic brake booster, replacing 340-22

hydraulic brake booster system, testing 340-20

power flow regulator, replacing 340-23

vacuum brake booster, removing/installing (735i/iL) 340-17

vacuum brake booster, removing/installing (740i/iL) 340-18

brake pads, calipers and rotors 340-8

brake caliper, removing/installing
340-11

brake pads, replacing 340-9

brake rotor, removing/installing
340-13

master cylinder 340-14

master cylinder, removing/installing 340-14

brake pedal height, adjusting (except cars with M60 engine)
340-16

parking brake 340-25

parking brake, adjusting 340-26

parking brake cable, replacing
340-27

parking brake shoes, removing/installing 340-27

troubleshooting 340-2

Brushes, alternator

Bulbs

Bumpers

Camber

Camshaft

Camshaft position sensor

Camshaft timing chain

general information 117-1

camshaft timing chain, checking/adjusting

M60 engine 117-8

M70 engine 117-11

camshaft timing chain, removing/installing

M30 engine 117-1

Caster

Catalytic converter

Cautions viii

Center bearing

Center brake light

Center console

Central body electronics (ZKE)

Central locking

general information 515-1

central locking function, checking
515-2

emergency locking and unlocking doors 515-2

locking actuator, adjusting

front door 515-3

rear door 515-5

trunk lid 515-6

locking actuator, replacing

front door 515-3

rear door 515-4

trunk lid 515-5

synchronizing central locking system 515-3

Chain

Charging system

Cluster

Clutch

general information 210-1

clutch hydraulic system, bleeding and flushing 210-2

clutch, inspecting and installing
210-6

clutch master cylinder, replacing
210-2

clutch, removing 210-5

clutch slave cylinder, replacing
210-4

Clutch fluid

Codes, fault

Coil

Coil spring

Component locations

Compression test

Compressor

Compressor clutch

Condenser

Control arms

Control modules 610-2

Coolant (Antifreeze)

Coolant pump

Cooling system

general information 170-1

auxiliary cooling fan, replacing 170-19

belt-driven cooling fan, replacing
170-18

coolant 170-8

coolant, draining/filling 170-8

coolant pump 170-10

coolant pump and thermostat
170-1

coolant pump, replacing

M30 engine 170-11

M60 engine 170-12

M70 engine 170-13

cooling fans 170-18

cooling fans quick check 170-6

cooling system, bleeding 170-9

engine oil cooler 170-18

pressure test 170-3

radiator 170-16

radiator, coolant expansion tank and cooling fans 170-1

radiator, removing/installing 170-14

temperature gauge quick check
170-4

thermostat 170-15

thermostat, replacing 170-15

thermostat quick check 170-4

troubleshooting 170-2

Crankshaft position/rpm sensor

Crash sensor

CV joint

CV joint boot

Cylinder head

Cylinder head, removing

Cylinder head and valvetrain

general information 116-1

camshaft replacement 116-6

camshaft, removing/installing

M30 engine 116-6

M60 engine 116-9

M70 engine 116-12

cylinder head and valvetrain, reconditioning 116-13

camshaft 116-14

cylinder head 116-13

rocker arms and rocker arm shafts 116-15

valve guides 116-16

valve springs 116-18

valve stem oil seals 116-18

valve seats 116-18

valves 116-17

testing valves for leakage 116-17

hydraulic cam followers, checking and replacing (M60 engine) 116-4

hydraulic valve adjusters (HVA), checking and replacing (M70 engine) 116-5

valve clearance 116-2

valve clearance, adjusting (M30 engine) 116-2

Cylinder head cover gasket

Cylinder head removal and installation

general information 113-1

M30 engine

cylinder head 113-1

cylinder head, installing 113-7

cylinder head, removing 113-3

cylinder head cover gasket, replacing 113-1

M60 engine

cylinder heads 113 -10

cylinder head cover gaskets,
replacing 113-10

intake manifold, removing/installing 113-11

left cylinder head, removing/installing 113-13

right cylinder head, removing/installing 113-19

M70 engine

cylinder heads 113-24

cylinder heads, removing 113-27

cylinder head cover gaskets, replacing 113-26

intake manifolds,
removing/installing 113-24

Dash panel

Dashboard

Deck lid

Digital multimeter

Differential

Distributor cap

DME (digital motor electronics)

Dome light

Door glass

Door windows

general information 512-1

door window, adjusting 512-6

door window regulator and motor, removing/installing 512-5

front door window, removing/installing 512-1

rear door window, removing/installing 512-3

window service 512-1

Door check

Door courtesy light

Door handle

Door lock

Door molding

Door panel

Door striker

Doors

general information 411-1

door check, replacing 411-9

door hinge bearing sleeve, replacing 411-2

door striker, replacing 411-9

doors 411-1

front or rear door, removing/installing 411-1

door lock, removing/installing

front 411-7

rear 411-8

door panel, removing/installing

front 411-4

rear 411-5

front outside door handle with door lock cylinder, removing/installing
411-6

locking actuator

Drive axle

Driveability troubleshooting

Driveshaft

general information 260-1

center bearing, replacing 260-9

driveshaft, aligning 260-4

driveshaft, removing/installing 260-5

driveshaft constant velocity (CV) joint, replacing 260-11

driveshaft noise and vibration 260-2

driveshaft service 260-4

flex disc, replacing 260-8

front centering guide, replacing
260-10

guibo

E-box 610-6

ECM (engine control module)

ECT (Engine coolant temperature sensor)

EDC III (Electronic damping control)

Electrical circuit

Electrical component locations

general information 610-1

auxiliary relay panels I and II 610-7

component location table 610-8

component locations 610-8

control modules 610-2

electronics box (E-box) 610-6

front power distribution box 610-4

fuse position tables 610-27

fuse positions 610-2

rear power distribution box 610-4

relays 610-2

Electrical system-general

general information 600-1

continuity, checking 600-8

electrical test equipment 600-3

safety precautions 600-2

short circuits 600-9

testing with ohmmeter 600-9

testing with voltmeter 600-10

troubleshooting 600-6

voltage, measuring 600-7

voltage and polarity 600-1

voltage and voltage drops 600-6

voltage drop, testing 600-8

wiring, fuses and relays 600-1

wiring codes and abbreviations 600-4

wiring diagrams 600-4

Electrical wiring diagrams

general information ELE-1

wiring diagrams ELE-2

ABS ELE-140

air conditioning and heating ELE-149

airbag (supplemental restraint
system) ELE-174

anti-theft ELE- 176

charging system ELE- 64

cruise control ELE- 136

data link connector ELE- 110

defogger ELE-196

electronic damping control ELE-134

engine cooling ELE-117

engine management ELE-70

exterior lights ELE- 217

ground distribution ELE- 37

headlights/foglights ELE- 209

horns ELE-183

instrument panel ELE- 199

interior lights/illumination ELE- 232

memory mirrors ELE- 265

memory seats ELE- 258

memory steering column ELE- 272

on-board computer ELE- 205

power distribution ELE- 2

power door locks ELE-238

power mirrors (Electrochromic) ELE-248

power rear sunshade ELE-277

power seats ELE- 249

power sunroof ELE-276

power windows ELE-244

radio/cassette/CD/speakers ELE- 278

servotronic steering (power steering) ELE-133

shift interlock ELE- 130

Electrical wiring diagrams (cont.)

soft close trunk lid ELE- 275

starting ELE- 58

steering column power adjustment ELE-273

transmission electronics ELE- 123

trunk/tailgate/fuel doors release ELE-274

warning systems: chimes ELE- 208

wiper/washer ELE- 186

Emergencies

EML (electronic motor load regulation)

Engine-general

general information 100-1

air flow measurement and vacuum leaks 100-18

basic engine settings 100-17

basic requirements 100-21

battery voltage 100-19

carbon deposits 100-17

compression, testing 100-9

compression test 100-8

connecting rods and pistons 100-2

cooling system 100-5

cylinder block and crankshaft 100-1

cylinder head and valvetrain 100-2

driveability troubleshooting 100-12

electronic throttle control (EML or ADS) 100-5

engine management system 100-3

engine not running 100-8

excessive oil consumption 100-8

fluid leaks 100-7

fuel supply 100-20

fuel supply system 100-3

ground connections 100-20

high fuel consumption and low power 100-8

lubrication system 100-3

mechanical condition 100-16

mechanical troubleshooting 100-5

noise 100-6

on-board diagnostics (OBD) 100-13

oxygen sensor 100-18

preventive maintenance 100-17

smoking 100-8

warnings and cautions 100-5

wiring and harness connections 100-19

Engine control module (ECM)

Engine removal and installation

general information 110-1

engine, removing/installing

M30 engine 110-1

M60 engine 110-6

M70 engine 110-9

Engine coolant temperature (ECT) sensor

Engine hood

Engine troubleshooting

Evaporator

Evaporator temperature sensor

Exhaust system

Expansion valve

Exterior lighting

general information 630-1

center brake light bulb, replacing 630-6

front foglight assembly, removing/installing 630-3

front or rear side marker assembly and bulb, replacing 630-5

front turn signal assembly, removing/installing 630-4

headlight assembly, removing/installing 630-2

headlight bulb, replacing 630-2

headlight lens unit, removing/installing 630-3

license plate light, removing/installing 630-6

rear lighting 640-5

taillight assembly, removing/installing 630-6

taillight bulb, replacing 630-5

Exterior trim, bumpers

general information 510-1

BMW emblem, removing/installing 510-1

bumper, removing/installing 510-7

door molding, replacing 510-2

fender molding, replacing 510-2

headlight grille, removing/installing 510-5

outside mirror, removing/installing 510-3

mirror glass, replacing 510-4

radiator grille, removing/installing
510-4

Fan

Fenders, engine hood

general information 410-1

engine hood 410-3

engine hood, aligning 410-4

engine hood, removing/installing 410-3

fender molding

Final drive

general information 331-1

final drive service 331-1

flange oil seal, replacing 331-4

input shaft oil seal, replacing 331-5

oil, draining/filling 331-1

oil seals 331-4

removing/installing 331-2

rubber mounts (final drive unit removed) 331-3

Firing order

Flex disc

Fluids and lubricants

Foglight

Front centering guide

Front suspension

Fuel injection

general information 130-2

basic engine settings 130-5

fault diagnosis 130-5

principles of operation 130-2

warnings and cautions 130-6

DME 1.3 (M30 Engine) 130-13

engine control module (ECM), testing and replacing (M30 engine) 130-22

engine coolant temperature (ECT) sensor, testing and replacing (M30 engine) 130 - 15

fuel injectors, testing and replacing
(M30 engine) 130-19

idle speed control valve, testing and replacing (M30 engine w/o EML 130-17

intake air temperature (IAT) sensor, testing and
replacing (M30 engine) 130-16

throttle position switch (TPS), testing
and adjusting (M30 engine w/o EML) 130-16

volume air flow sensor, testing and replacing (M30 engine) 130-13

DME 3.3 (M60 engine) 130-23

camshaft position (CMP) sensor, replacing 130-28

engine control module (ECM), testing and replacing (M60 engine) 130-31

engine coolant temperature (ECT) sensor, testing and replacing (M60 engine) 130-24

fuel injectors, testing (M60 engine) 130 - 28

Fuel injection (cont.)

fuel pressure regulator, replacing (M60 engine) 130-30

fuel rail and injectors, removing and installing (M60 engine) 130-29

idle speed control valve, testing and replacing (M60 engine) 130 - 27

intake air temperature sensor (IAT), testing and replacing (M60 engine) 130 - 25

mass air flow sensor, testing and replacing (M60 engine) 130-23

throttle position sensor (TPS), testing (M60 engine) 130 - 26

DME 1.2 and DME 1.7 (M70 engine) 130-32

engine control module (ECM), testing and replacing (M70 engine) 130-39

engine coolant temperature (ECT) sensor, testing and replacing (M70 engine) 130-34

fuel injectors, testing (M70 engine) 130-36

fuel rail and injectors, removing and installing (M70 engine) 130-38

intake air temperature (IAT) sensor, testing and replacing (M70 engine) 130-35

mass air flow sensor, testing and replacing (M70 engine) 130-32

ECM Pin Assignments 130-54

electrical checks and component testing 130-7

main DME relay, testing 130-7

oxygen sensor, testing 130-9

electronic throttle control systems 130-41

ADS (M60 engine only) 130-49

ADS throttle housing, replacing 130-49

ADS throttle switch, replacing 130-50

EML (M30 or M70 engine) 130-41

external safety path, checking (M30 or M70 engine) 130-43

EML control module, replacing (M30 or M70 engine) 130-48

EML throttle housing, testing and replacing (M30 or M70 engine) 130-47

EML throttle synchronization (M70 engine) 130-44

EML warning light 130-42

pedal position sensor, checking and adjusting (M30 or M70 engine) 130-44

pedal position sensor, replacing (M30 or M70 engine) 130-46

EML pin assignments 130-50

fuel pressure tests 130-10

fuel pressure regulator response to engine load, testing 130-12

relieving fuel pressure and connecting fuel pressure gauge 130-10

Fuel injection (cont.)

residual pressure, testing 130-12

system pressure, testing 130-11

Fuel filter

Fuel injectors

Fuel level sender

Fuel pressure

Fuel pressure regulator

Fuel pump

general information 160-1

delivery pressure and delivery rate, checking 160-11

electrical circuit, checking 160-10

fuel pump tests 160-10

fuse and relay 160-8

level sender

Fuel rail

Fuel tank and lines

general information 160-1

fuel level sender, testing 160-7

fuel level sender and fuel pump, removing 160-5

fuel tank, removing/installing 160-3

fuel tank and lines 160-2

Fuse positions 610-2

Fuses

Gaskets

Gear position/start disable switch 250-4

Gearshift

Gearshift linkage

general information 250-1

automatic shiftlock, checking function 250-7

gear position/start disable switch, replacing 250-4

gearshift lever, removing/installing 250-2

gearshift service 250-2

selector lever service (automatic transmission) 250-4

shift interlock, checking function 250-8

shift mechanism, adjusting 250-4

General

general information 010-1

advice for the beginner 010-7

cleanliness 010-7

electrical testing 010-10

gaskets and seals 010-9

non-reusable fasteners 010-7

planning ahead 010-7

tightening fasteners 010-8

wire repairs 010-10

buying parts 010-11

genuine BMW parts 010-11

information you need to know 010-12

non-returnable parts 010-11

emergencies 010-18

brake fluid level 010-22

car will not start 010-18

changing a tire 010-18

check engine light 010-22

dim lights 010-22

jump starting car 010-19

low oil pressure 010-22

overheating 010-21

spare parts kit 010-24

towing 010-23

getting started 010-3

lifting the car 010-5

raising car safely 010-6

safety 010-4

working under car safely 010-6

how to use this manual 010-2

warnings, cautions and notes 010-3

service 010-13

tools 010-13

basic tool requirements 010-13

BMW special tools 010-17

feeler gauges 010-17

jack stands 010-16

oil change equipment 010-16

torque wrench 010-16

digital multimeter 010-17

Glass

Glove compartment

Grille

Grounds, electrical 610-13

Guibo (flex disc)

Handle, door

Hazard warning switch

Headlight assembly

Headlight grille

Headlight spray nozzle

Headlight switch

Heater core

Heater valve

Heating

general information 640-1

air distribution motors, replacing
640-10

auxiliary coolant pump, replacing
640-4

blower final stage (sword), replacing 640-2

blower motor, removing/installing
640-1

control head, removing/installing 640-8

heater and controls 640-1

heater core, replacing 640-5

heater core temperature sensor, replacing 640-8

heater valve, replacing 640-4

outside temperature sensor, replacing 640-7

sensor fan for interior temperature, replacing 640-10

Hood

Hood release cable

Hydraulic brake accumulator

Hydraulic brake booster

Hydraulic brake booster fluid