oxygen sensor BMW M3 1996 E36 Repair Manual

GRN/VIO

HOT
IN
RUNAND
START



HOT
FILM
AIR



HALLEFFECT



CRANKSHAFT



ELCTRONIC
r



-1FRONT
MASSMETER
CAMSHAFTSENSOR
POSITION/RPM
IMMOBILIZERCONTROL
I



(POWER



r
-



-
1



1



1



SENSOR



MODULE
(EWS11)
FUSE
I



FSSE



F



IDIS7RIBUTION
I
iDA
ISA
(BOX
I
I
(199fi)
(1997)
I
is
Y



iBy
$
1D01B



I



D
-
22

OXYGENSENSOR
(BEHIND
CATALYTIC
CONVERTER)
88648

FUEL
PUMP

SPLICE
BLK
-----
.--_
.-------

OXYGENSENSOR
(FRONT
OFCATALYTIC
CONVERTER)

Engine
Management

1996-971
.91-(2
of
2)

EVAPORATIVE
IDLESPEED
EMISSION
CONTROL
VALVEVALVE

ELECTRICAL
WIRING
DIAGRAMS
ELE-79

EXCEPT
1997
318
ti

INSTRUMENT
CLUSTER
SYSTEM
EXCEPT
31811

INTAKEAIR



I
CYL1-2



CYL3-4
RESONANCE



INTAKEAIR
CHANGEOVERKNOCKSENSORTEMPERATURE
VALVE



SENSOR

BLK
IENGINESPEED
I
-
2
k
I
INPUT



I
GRG=1fi~
CHECK
ENGINE
I
WHT/BLK
21
I
FUEL
X
t
fi
'C
CONSUMPTION

I
~GRN/RED
13
3
I
FUEL
I
CONSUMPTION
SRN/VI
jg
TEMPSENS
(L)
BRN/V=L
17{iTEMPSENS(-)

INSTRUMENT
CLUSTER

ENGINECOOLANT
TEMPERATURESENSOR

WW=TIBLK



BOR4
(I
I
__J
ON-BOARD
COMPUTER
BRN/RED
74,
r
_
----
I
~ITEMPSIGNAL
I
-
~GRN/RED
42
J
~IFUELCONSUMPT
I
WHT/BLK
83
~~
I
VEHICLE
SPEED
I
GRV
S,
IENGINDICATOR
I
VEL
78
-
-~{ICRNKPOS/RPM
_ILL
-(ICRNKPOSIRPM
BRN
(SHIELD
GROUND
YEL



I21



CAMSHFTPOS
GRV/BLU
17
'GROUND
GRV/V
-
10
4S
`
VEL77,
:SIGNAL

8-{
I02
SENSOR
SIG

B-
:
..
.SORGND
OISHTNGGND
VEL
19
I
B
3D~I023ENSORBIG
02SHTNGGND
BRN/VIO
B7
I
{
ACTIVATEVALVE
-
-
~BRNIG
RN29
J
I
~
I
ISC
VALVE
CTRL
BRN
2
BRNIBLU~JACTIVATE
VALVE
BIACTIVATEVALVE
-
BILK
70
'
~
BLK
40
;CVL
1-2KS
-~{
I
CYL
3-6
KS
BRN/BLK
711
SENSGROUND
BRN/RED
~
IINTKAIRTEMP
BRN/VIO
44
I



I
~
W
L~~~
THROTTLEPOS
GRVRY/
-
W
I
SVSUPPLY



I
ENGINECONTROL
MODULE
(DME)

THROTTLE
POSITION
SENSOR

SO



OXYGEN
OXYGEN
OXYGEN
OXYGEN
CAMSHAFT



DUALTEMPERATURE
SECONDAIR
PUMP
RELAY



VALVE
ID



SECOND



CARBON



EXHAUST
UST



SENSOR



SENSOR]



SENSOR



SENSOR]



POSITION



SENSOR
INTAKE
AIR
(RUNNING



AIRPUMP



CANISTER



FLAP



(INFRONTOF



(IN
FRONTOF



(BEHIND



(BEHIND



SENSOR



TEMPERATURE



(COOLANT
CONVERTER)



CONVERTER)



CONVERTER)



CONVERTER)



(CYLINDER
ID)



TEMPERATURE)
LOSSES)
VALVEVALVEVALVE



SENSOR

68894

(1997
ONLY)

ELECTRICAL
WIRING
DIAGRAMS
ELE-81

Engine
Management

1996-97
2
.81L
(2
of
2)

II

````



``



aa
a
a



.
.U



~lal



f
2f

COMPUTER
DATA
LINES
(1997
0NLY)

~t
11~

EXCEPT1996M3

TRANSMISSION
CONTROL



~-



-
MODULE(EGS)



MASS
METE
R



-



-
MASSMETER



6117

1
1
L,2)13)l

2s,t,54,1,95,1,as,t,
60,1,
99,L
-
14,L,
2~
1



18~17~
19~
.~



_
CRANKSHAFT
I



DATA
LINK
CONNECTOR



POSITION/
1



I



RPM

i
-----------~



SENSOR

BRN/VIO
18
~



I
~BRN/YE~L
~17_~
1



I
~
O
RN/RENN~
I



I
X17
I



I
.



WHT/BLK
21
I



I
-
GRrr,~I
I
XL6
I-_-J
INSTRUMENT
CLUSTER

I



I



IGRY



20-
ICHECKENGINO



I
INSTRU-



IFUELCONS
MENT



GRN/RED
46
I
FUELCONS
CLUSTER



SRWRED
10
I
ENGCOOLTEMP
GRV/BRN
39
I
GRY
14
(GROUND
NCA
S1
IINTKAIRTEMP
(GROUND
BLK64,
(GROUND
VEL
65
ICAMS
HAFTPOS
BR
N



43
~ICAMSHAFTPOS
B
ISENSO
YES,



RSIGNAL
I
8



I02S
SIG
GNO



1
-,
I02SHTGGND



I
YEL
~ISENSORSIGNAL
I
BLK
71
1
025
SIG
GNO



I
B
1
02SHTGGND
I
SRN
55
I
02S
H
TG
GND



I
BLK70,
I
02551GGND
I

BRN
255,SENSORSIGNAL
I
B~1025HTGGND
I
Y~102SSIGGND
I
-~
SENSORSIGNAL
1
GflV/V=0



BIGEXHSTFLAP
I
GRN/BLU
61,



I
IACTIVATEVALVE
I
BRN/WHT
62
VEL/BLU
50
IACTIVATEVALVE
I

BRN/GRN
35
IRUNNINGLOSS
1
IACTIVATEVALVE
I
BLK
85
ICANLOW
I
VEL
86
CANHIGH
I
BLK/BLU
74
AIC



-~IACTVA/C
COMP



I
VIO/GRY
19
SYSTEM



A/C
ON
BIG



I
BLK
36
I
CRNKSHFTRPM
I
GRN/BLU
60,
I
PROGRAMVOLT



I
WHT/VIO/VEL
88
I
TxDYEL
6
I
SILK



7~
1
HOTFAM
MTR
HOTFAMMTR
BRN/0=
1
(GROUND
YEL
4
<
IVOLTSUPPLY
.LK
'ISENSORSIGNAL
.BRN/B=
K
400
(1
GROUND
VEL/RED
11
IFUELTNKPRES
REDIGRN
00
~IVOLTSUPPLV
BLK
12ITHROTPOSSIG
BRN
42
GROUND
ENGINECONTROL
MODULE
(DME)

NCA
J
]
-k
0
1



I



RE
~
/GRN
3,

GRV/WHT
1
YEL/RED
3
BRN/BLK
2

THROTTLE
POSITION
SENSOR

FUELTANK
l



ml



mlml



PRESSURESENSOR
¢I
¢I
ml
>I
t7
B



¢I3I
m
O
3m



¢I
>I
m

FRONTPOWERD/STRIBUTIONBOX



CAMSHAFT



KNOCKSENSOR
EVAPORATIVE
pOSITIONSEN50R
SECOND
SOLENOIDVALVE
CARBON
EXHAUST
1



SECOND
AIR
PUMPRELAV



I



EMISSION
VALVE



CYLINDER
ID)



AIRPVMP



(RUNNING



CANISTER



GASFLAP
VA
I



VALVE
LOSSES)
VALVEVALVE
CYLd-
t
-
~



fi



CVL
1-3

t
Gt03

Engine
Management

19982
.5L
(3231),
2
.8L
(3281),
3
.2L
(M3)
(2
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-85

BRN/GRN
1
BRN
23
WHT/GRV/VEL
RED



I
4
.ED



I
6B
BRN/GRN



L

RED/WHT
B
RED)-
~



-
9
RED/WHTPED/WHT
RED/
.HT
BRN



I
N
CABF.
RED/WHT
'NCA

J



1



_IACTIVATEVALVE
I
BRN63,
1ICVLd-fiKS
I
BILK
64
(GROUND
I
VEL
66
ICAMSHAFTPOS
I
.RN
B6
I
025HTGGND
I
ILK
fi7
102SSIGGND
I
BRN
fib
I



I
I
ACTIVATEVALVE
I
BRN/GRN
69
-
ACTIVATE
RELAY

6LK



701
`1025
SIG
GND



I

BRN



61`
I
1025SIGGNO



I
02SHTGGND
I
BRN73~BLK72,
IACTIVATERELAY
I
YEL
75'102SSIGGNO
'
ISENSORSIGNAL
I
`
ISENSORSIGNAL
I
328



YEL
77
ISENSORSIGNAL
I
WHT/YEL



AND
M3



YEL
78
ONLY



ISENSORSIGNAL
I
W-1
,I



I



I
GRY/YEL



ON
WHT/GRN
BD
IASC-SIGZA



I

2D
BILK



WHT/GRV
81
102SHTGGND
A50-SIG
ZWV
21
VEL



BLK
83
ISENSORSIGNAL
I
INSTRUMENT
1
BLK



WHTIRED/VEL
CLUSTERSVSTEM



82
I



I
"



I



BLK
BB
I
ASC-SIGMCR



1

1SB627

84,L~
28,E
B
-
88,1,80,1
88,E

H-

21
I
IS
171
DATA
LINK
CONNECTOR

G103

6

I



II



CRANKSHAFT
-



---
-



POSITION/
TRANSMISSION
CONTROL
MODULE
(EGS)



RPMSENSOR

2



GRVIVIO
B2
GRN/BLU
B1
(ACTIVATE
VALVE
I
SIG
EXH5T
FLAP
RED/WHT
84
(
BATTERYWHT/VEL

CAN
LOW
YEL
86
I
(CANHIGH
REDIWHT
87
(BATTERY
HIE
44
1



F
-#-
I



WHT/VIO/VEL

Q

H~
l
2I2I2I
ZIZI
Z

OXYGENOXYGEN
OXYGEN
OXYGEN
SENSOR(



SENSORII



SENSOR
I



BENSORII
(-AN-)
(328ANOM3)

ENDNECONTROLMODULE
(ONE)

WHT/REDIYEL
B
r
WHT/GRY
25
i



I
WHT/GRN
4
I



1
WHT/GRV/VEL
15
I



I
WHT/GRY/VEL
26



I
SLIP
CONTROL
MODULE
(ABS/ASC)

WARNING

Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Befcre
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
frontof
the
manual
.
Review
these
warnings
and
cautions
each
time
you
prepare
to
workon

your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.

Door
glass
See
Door
windows
Door
windows
general
information
512-1
front
door
window
(2-door
models)
adjusting
512-7
removing/installing
512-5
front
door
window
(4-door
models)
initíalizing
512-1
removing/installing
512-2
rear
door
window
(4-door
models)
removing/installing
512-4
fixed
glass,
removing/installing
512-
4
rear
vent
window
or
vent
latch,
replacing
(2-door
models)
512-11
window
regulator
and
motor,
removing/installing
512-12
window
regulator
service
512-12Doorcheck
See
DoorsDoor
handle
See
Centrallocking
and
anti-theft
Door
panel
See
Doors
Doors
general
information
411-1
door
adjustment
411-2door
check,
replacing
411-2
door
panels
411-3
doors411-1
front
orrear
door,removing/installing
411-1
front
door
panel,
removing/installing

411-3
rear
door
panel,
removing/installing
411-4
rearsidepanel,
removing/installing
(two-door
model)
411-4
Drive
axle
See
Rear
suspension
Driveability
troubleshooting

See
Engine-general
Driveshaft
general
information
260-1
center
bearing
assembly,
replacing
260-6
driveshaft,
aligning
260-3
driveshaft,
installing
260-4

Driveshaft
(cont
.)
driveshaft,
removing260-4
driveshaftservice
260-3
flex-disc,
replacing
260-5
front
centering
guide,
replacing
260-7
guibo
See
flex-disc
troubleshooting260-1

ECM
(engine
control
module)
pin
assignment
See
Fuel
injection
Electrical
circuit
See
Electrical
system-general
Electrical
component
locations
general
information
610-1
auxíliary
relay
panel
610-2
component
location
table
610-9
component
locations
610-3
fuse
position
tables
610-19
fuse
positions
610-1
relay
positions
610-2
splice
panel,
left
610-2
splice
panel,
right
610-3
Electrical
system-general
general
information
600-1
continuity,
checking
600-5
electrical
test
equipment
600-2
safety
precautions
600-1

short
circuits
600-5
short
circuit,
testing
with
ohmmeter
600-6
short
circuit,
testing
with
voltmeter
600-6
troubleshooting
600-3
voltage,
measuring600-4
voltage
and
polarity
600-1
voltage
and
voltage
drops
600-4
voltage
drop,
testing
600-4
wiring
codes
and
abbreviations
600-2
wiring
diagrams
600-2
wiring,
fuses
and
relays
600-1
Electrical
wiring
diagrams
general
information
ELE-1
wiring
diagrams
ELE-2
ABS
ELE-117

ABS/AST
ELE-120
airbag
(supplemental
restraint
system)
ELE-140
air
conditioning
and
heating
ELE-
129
anti-theft
(Alpine)
system
ELE-144
anti-theft
(EWS
II)
ELE-150
body
computer
module
ELE-176
charging
system
ELE-67
convertible
top
ELE-253
cruise
control
ELE-112
data
link
connector
ELE-86
engine
cooling
ELE-94
engine
management
ELE-70
exterior
lights
ELE-194
ground
distribution
ELE-35

headlights/foglights
ELE-180

INDEX
3

Electrical
wiring
diagrams
(cont
.)

heated
seats
ELE-245

horns
ELE-153
instrument
panel
ELE-165
interior
lights/illumination
ELE-211
lumbar
control
ELE-247
on-board
computer
ELE-173
park
ventilation
ELE-139
power
distribution
ELE-2
power
door
locks
ELE-226
power
mirrors
ELE-241
power
seats
ELE-243

power
sunroof
ELE-248

power
windows
ELE-231
radio/cassette/CD/speakers
ELE-
255
rear
window
defogger
ELE-160
shift
interlock
ELE-110
starting
ELE-63
transmission
electronics
ELE-96
warning
systems`
.
chimes
ELE-178
wiper/washer
ELE-154
Emergencies
See
Fundamentals
for
the
do-it-
yourself
owner
Engine-general
general
information
100-1
air
flow
measurement
and
vacuum
leaks
100-12
basic
engine
settings
100-11
basic
requirements
100-11
battery
voltage
100-12connecting
rods
and
pistons
100-1
cooling
system
100-5
cylinder
block
and
crankshaft100-1
cylinder
compression,
checking
100-6
cylinder
head
and
valvetrain
100-2
DISA
(dual
resonance
intake
system)
100-3,130-3
driveability
troubleshooting
100-8
engine
management
system
100-3
fuel
delivery
100-5
fuel
supply
100-14ground
connections
100-13
ignition
100-5
lubrication
system100-5
mechanical
troubleshooting
100-5
on-board
diagnostics
(OBD)
100-8
oxygen
sensors
100-11
preventive
maintenance
100-11
VANOS
(variable
valve
timing)
100-2warningsand
cautions
100-5
wiring
andharness
connections100-
13Engine
control
module
(ECM)
See
Fuel
injection
Engine
removal
and
installation
general
information
110-1
engine,
removing/installing(4-cylinder
engines)
110-1
engine,
removing/installing
(6-cylinder
engines)
110-4
Engine
coolant
temperature
(ECT)
sensor
See
Fuel
injection
Engine
hood
See
Fenders,
enginehood

4
INDEX

Evaporator
See
Air
conditioning
EWS
(Electronic
immobilization
system)
515-8
Exhaust
system
See
also
Maintenance
program
general
information
180-1
exhaust
manifolds,
removingAnstalling
180-5
exhaustsystem,
removing/installing
180-3
Expansion
valve
See
Air
conditioning
Exterior
lighting
general
information
630-1
center
brake
light
housing,
replacing
(4-door
and
coupe
models)
630-5
foglight
assembly,
removing/installing
630-3
front
turn
signal
assembly,
removing/
installing
630-4
headlight
assembly,removing/
installing
630-2
headlight
bulb,
replacing
630-1
license
plate
light,
removing/installing
630-6
side
marker
lights
630-4
taillight
assembly,
removing/installing
630-5
taillight
bulbs,
replacing
630-4
Exterior
trim,
bumpers
general
information
510-1
BMW
embiem,
removing/installing
510-7
body
side
molding,
replacing
-7
bumper
height,
adjusting
510-6
front
bumper,
removing/installing
510-3
front
bumper
impact
absorber,
replacing
510-4
front
panel,
removing/installing
510-7
outside
rear
view
mirrors
510-1
mirror
housing,
removing/installing
510-1
mírror,
removing/installing
510-2
mirror
glass,
replacing
510-1
radiator
grille,
removing/installing
510-7
rear
bumper,
removingfinstalling
510-
4
rear
bumper
impact
absorber,
replacing
510-4
F

Fenders,
engine
hood
general
information
410-1
front
fenders
410-1
front
fender,
removing/installing
410-1
hood
aligning
410-4
hood,
raising
to
service
position
410-2
hood
release
cable
and
latches,
adjusting
410-4
hood,
removing/installing
410-3

Finaldrive
general
information
331-1
final
drive
se
rvice
331-1
flange
oil
sea¡,
replacing
331-2
inputshaft
oil
sea¡,
replacing
331-3
oil,
draining/filling
331-1
oil
seals331-1
removing/installing
331-3
Final
drive
carrier
See
Rear
suspension
Firing
order
See
Ignition
system
Flexdisc
See
DriveshaftFluids
and
lubricants
See
Maintenance
program
Foglight
See
Exterior
lighting
Front
suspension
general
information
310-1
ball
joint
See
outer
control
arm
ball
joint
control
arm,
removing/installing
310-5
control
arm
bushing,
replacing
310-7
control
arms
310-5
front
wheel
bearing,
replacing
310-8
front
wheel
bearings
310-8
outer
control
arm
ball
joint,
replacing
(except
M3)310-6
ride
height
310-4shock
absorbers
and
springs
310-2
stabilizer
bar
310-9
stabilizer
bar,
removing/installing
310-9
strut
assembly,disassembling/
assembling310-4
strut
assembly,
removing/installing
310-2subframe
crossmember
310-9subframe
crossmember,
removing/
installing
310-9
Fuel
injection
general
information
130-2
basic
engine
settings
130-2
principies
of
operatínn
130-2
Bosch
DME
Ml
.7
component
tests
and
repairs
130-14
air
floiv
sensor,testing/replacing
130-14
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-15
¡dle
speed
control
valve,
testing/
replacing
130-16
throttle
position
sensor
(TPS),
testing/replacing
130-16
Bosch
DME
M3
.1
and
M3
.3
.1
component
tests
and
repairs
130-17
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-18
¡dle
speed
control
valve,
replacing
130-21
¡dle
speed
control
valve,
testing
130-
20
intake
air
temperature
(IAT)
sensor,
testing/replacing
130-19
mass
air
flow
sensor130-17

Bosch
DME
M3
.1
and
M3
.3.1
(cont)
mass
air
flow
sensor
(hot
film)

testing/replacing
130-18
mass
air
flow
sensor
(hot
wire)
testing/replacing
130-17
throttle
position
sensor
(TPS),
testing/replacing
130-19
Bosch
DME
M5
.2
component
replacement
130-21engine
coolant
temperature
(ECT)
sensor,
replacing
130-22
ldle
speed
control
valve,
replacing
130-23
intake
air
temperature
(IAT)
sensor,
replacing
130-22
mass
air
flow
sensor,
replacing
130-
22
throttle
position
sensor
(TPS),
replacing
130-22
DISA
(dual
resonance
intake
system)
130-3
ECM
pin
assignments130-26
electrical
checks
andcomponent
testing
130-7engine
control
module(ECM),

accessing
130-26
fuel
delivery
tests
130-9
fuel
pressure
regulator
response
to
engine
load,
testing
130-11
fuel
pressure
regulator
130-13
fuel
pressure
regulator,
replacing
(fuel
rail
mount)130-13
fuel
pressure
regulator,
replacing
(under
car
mount)130-14
fuel
pump
relay,
testing
130-7
fuel
rail
and
injectors,
checking
130-11
fuel
rail
and
injectors,
replacing
130-
12
fuel
delivery
tests
(cont
.)
operatíng
fuel
pump
for
tests
130-9
relieving
fuel
pressure
and
connecting
fuel
pressure
gauge
130-10
residual
fuel
pressure,
testing
130-10
main
relay,
testing
130-7on-board
diagnostics
(OBD)
and
fault
diagnosis
130-4
oxygen
sensor,
testing
(Bosch
systems
only)
130-8
secondary
air
injection
130-5
Siemens
MS
41
.1
component
replacement
130-23
engine
coolant
temperature
(ECT)
sensor,
replacing
130-25
¡dle
speed
control
valve,
replacing
130-26
lntake
air
temperature
(IAT)
sensor,
replacing
130-25
mass
air
flow
sensor,
replacing
130-
25
throttle
position
sensor
(TPS),
replacing
130-26warnings
and
cautions
130-6
Fuel
filter
See
Maintenance
program

6
INDEX

Ignition
system
general
information
120-1basictroubleshooting
principies
120-3camshaft
position
(CMP)
sensor
120-
6

camshaft
positíon
(CMP)
sensor,
replacing
(4-cylinder
engine)
120-6camshaft
position
(CMP)
sensor,
replacing
(6-cylinder
engines)
120-7
checking
for
spark
120-3
crankshaftposition/rpm
sensor
120-5
crankshaft
position/rpm
sensor,
testing/replacing
(front
mounted
sensor)
120-6
crankshaft
positíon/rpm
sensor,
testing
(rear
mounted
sensor)
120-6
disabling
ignition
system120-2
ignition
coil,
testing
and
replacing
(4-
cylinder
engines)
120-3
ignition
coil,
testing
and
replacing
(6-
cylinder
engines)
120-4
ignítion
firing
order
120-7
ignition
system
diagnostics
120-3
ignition
system
schematics
120-7
ignition
system
service
120-3knock
sensors,
replacing
120-7warnings
and
cautions
120-2
Inspectíon
I
and
Inspection
II
See
Maintenanceprogram
Instrumentpanel
See
interior
trim
Instruments
general
information
620-1
instrument
cluster,
removinglinstalling
620-1
instrument
cluster,
self-testing
620-1
instrument
cluster
bulbs,
replacing
620-2
multi-information
display
(MID),
620-4
multi-information
display
(MID),
removing/installing
620-4
odometer
coding
plug,
replacing
620-
2
vehicle
speed
sensor,
replacing
620-3
Intake
manifold
4-cylinder
engíne,
removing
113-3
6-cylinder
engine,
removing
113-11
See
alsoCylinder
head
removal
and
installation
Intake
air
temperaturesensor
See
Fuel
injection
Interior
trim
general
information
513-1
center
console,
removing/installing
513-1
dashboard,
removing/installing
513-3
glove
compartment,
removing/
installing
513-2
lower
left
dash
panel,
removing/
installing
513-2

J

Jump
startíng
010-12

K

Knock
sensor
See
Ignition
system
L

Leather
upholstery
See
Maíntenance
program
Leve¡
sender
See
Fuel
pump
Lubrication
system
general
information
119-1
oil
pan,
removing/installing
(4-cylinder
engines)
119-2
oil
pan,
removing/installing
(6-cylinder
engine,
1992models)119-4
oil
pan
119-2
oil
pan,
removing/installing
(6-cylinder
engine,
1993
and
later
models)
119-6
oil
pressure,
checking
119-1
oil
pressure
warningsystem,
testing
119-2
oil
pump
119-8
oil
pump,
removing/installing
(4-cylinder
engine)
119-8
oil
pump,
removing/installing
(6-cylinder
engine)
119-9
troubleshooting
119-1

M

Maíntenance
program
general
information
020-2
accelerator
and
throttle
linkage
020-13
air
filter,
replacing
020-11
automatic
transmission
fluid
020-8
automatic
transmission
service
020-18
battery,
checking
and
cleaning
020-12
battery,
replacing
020-12
BMW
service
indicator
020-2
body
and
hinges,
lubricating
020-19
brake
fluid
020-9
brake
fluid,
replacing
020-17
brake
pad/rotor
wear,
checking
020-17
brake
system,
inspecting
020-17
clutch
fluid,
checking
020-19
cooling
system
service
020-14
drive
axle
joint
boots,
inspecting
020-19
engine
coolant
(anti-freeze)
020-9
engine
drive
belts
020-13
engine
oil,
checking
leve¡
020-9

Maintenance
program
(cont
.)
engine
oil
and
filter,
changing020-9engine
oil
service
020-9
exhaust
system,
inspecting
020-18
exterior
washing020-20
final
drive
gear
oil
020-9
final
drive
oil
level,
checking
020-18
front
suspension
and
steering

linkages,
inspecting
020-18
fuel
filter,
replacing
020-16
fuel
tank
and
fuel
lines,
inspecting
020-19
¡dle
speed
020-12
inspection
I
and
inspection
11
020-2
interior
care020-20
leather
upholstery
and
trim
020-20
maintenance
tables
020-3
manual
transmission
fluid,
checking
and
filling
020-18manual
transmission
fluid
020-8
manual
transmission
service
020-18oxygensensors
020-15
parking
brake,
checking
020-17
polishing
020-20
poly-ribbed
belt,
replacing
020-13
power
steering
fluid
020-9
power
steering
fluid,
checking
leve¡
020-14
rear
suspension,
inspecting
020-18
resetting
service
indicator
020-3
seat
belts
020-20
spark
plugs,
replacing
020-11
special
cleaning
020-20
tires,
checking
inflation
pressure
020-17
tires,
rotating
020-17
v-belt,
replacing
020-13
washing
chassis
020-20waxing020-20
windshield
wiperblade
maintenance
020-19
wheels,
aligníng
020-17
Manual
transmission
See
also
Maintenance
program
See
also
Transmission-general
general
information
230-1
back-up
light
switch,
replacing
230-2
inputshaft
sea¡,
replacing
(transmission
installed)
230-5
output
shaftsea¡,
replacing
(transmission
installed)
230-4
selector
shaft
sea¡,
replacing
(transmission
installed)
230-3
transmission
fluid,
replacing
230-2
transmission
fluidlevel,
checking
230-2
transmission
fluid
service
230-1
transmission
removal
and
installation
230-5
transmission,
removing/installing
230-
6
transmission
service
230-2
Mass
air
flow
sensor
See
Fuel
Injection

N

WARNING

Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Before
attempting
any
workonyour
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
these
warningsand
cautions
each
time
you
prepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.

Master
cylinder
See
Brakes
See
also
Clutch
Mechanical
troubleshooting
See
Engine-general
Microfilter
See
Air
conditioning
Mirror
See
Exterior
trim,
bumpers
Muffler

See
Exhaustsystem
Multi-information
display
(MID)
See
Instruments

Neutral
safetyswitch
See
Gearshift
linkage

O

Oil,
changing
See
Maintenance
program
Oil
panSee
Lubrication
system
Oil
pressure
See
Lubrication
system
Oil
pump
See
Lubrication
systemOn-board
diagnostics
(OBD)
See
Engine-general
See
alsoFuel
injection
See
also
Ignition
system
On-board
trip
computer
See
Multi-information
display
620-4
Oxygen
sensor
See
Engine-general
See
alsoFuel
injection
See
also
Maintenance
program

P

Parking
brake
See
Brakes
See
also
Maintenance
program
Parts
See
Fundamentals
for
the
do-it-
yourself
owner
Poly-ribbed
belt
See
Maintenance
program
Power
steering
See
Steering
and
wheel
alignment
Power
steering
(luid
See
Maintenance
program

R

Radiator
See
Cooling
system
Radio
general
information
650-1audio
system
650-1
radio
connector
650-6
removing/installing
650-2speakersdoor
panel
speaker,
removing/
installing
650-5
left
footwell
speaker,
removing/
installing
650-3
rear
speaker,
removing/installing
650-5
right
footwell
speaker,
removing/
installing
650-4Rearsuspension
See
also
Maintenance
program
general
information
330-1
coil
spring,
removing/installing
330-4
CV
boot,
replacing
330-8
drive
axle,
removing/installing
330-6
drive
axles
330-6
final
drive
carrier
330-12
final
drive
carrier,
removing/installing
330-12
lower
control
arm,
removing/installing
330-12
rear
shock
absorber,
removing/
installing
330-3
rear
suspension
arms
330-9
ride
heíght
330-1
shock
absorbers
and
springs
330-2
trailing
arm,
removing/installing
330-10
trailing
arm
bushing,
replacing
330-11upper
control
arm,
removing/installing
330-12
rear
wheel
bearing,
replacing
330-5

rear
wheel
bearings
330-4
Rear
view
mirror
See
Exterior
trim,
bumpers
Receiver/drivr
See
Air
conditioning
Relays
See
Electrical
component
locations

INDEX
7

Ride
height
See
Front
suspension
or
Rearsuspension
Ring
antenna
See
Central
locking
and
anti-theft
Roof
See
Convertible
top
See
also
Sunroof
Roundel
See
Exterior
trim,
bumpers

S

Seat
belts
general
information
720-1
automatic
front
seat
belt
lock
tensioners
720-2
center
rear
lap-belt,
removing/
installing
720-5
front
seat
beltreel,
removing/installing
720-3
mechanical
spring
tensioner,
disarming
720-2
rear
seat
belt,
removing/installing
(fixed
seat
back
models)
720-4
rear
seat
belt,
removing/installing
(fold-down
seat
back
models)
720-5Seats
general
information
520-1
front
seats520-1
manual
front
seat
assembly
520-3
power
front
seat
assembly
520-4
removing/installing
520-1
rear
seats
520-5
rear
seat
cushion
and
backrest,
removing/installing
(fixed
seat
backmodels)
520-5
rear
seat
cushion
and
backrest,
removing/installing
(fold-down
seat
back
models)520-5
rear
seat
backrest
side
section,
removing/installing
(fold-down
seat
back
models)520-6
Shiftinterlock
See
Gearshift
linkage
Shiftlever
See
Gearshift
linkage
Shíftlock
See
Gearshift
linkage
Shock
absorber
See
Front
suspension
See
also
Rear
suspension
Side-impact
airbag
See
Airbag
system
(SRS)
Slave
cylinder
See
Clutch
Service
indicator
See
Maintenanceprogram
Solenoid
See
Battery,
starter,
alternator
Spark
See
Ignition
system
Spark
plugs
See
Maintenance
program