1998 BMW M3 check engine

8727
6

GRN/VIO
BRNIGRN
RED/WHT
RED/WH
T
RED/WHTRED/WHT

REDRED

W/EGS
FRONT
POWER
DISTRIBUTION
BOX
I



OXYGENSENSOR
RELAY



I



HEATED
OXYGEN



CAMSHAFT



CRANKSHAFT
SENSOR
POSITION
POSITION/
SENSORRPMSENSOR

1S)
X199]9

ELECTRICAL
WIRING
DIAGRAMS
ELE-73

Engine
Management

19922
.511-
(2
of
2)

86



v
30
v
87
I
_



W
[~~j

O

TRANSMISSIONS
SYSTEM

----------
---------



--------
-------
TRANSMISSIONTRANSMISSION
TRANSMISSION
CONTROL



AUTOMATIC
TRANSMISSION
MODULE
(EGS)



RANGE
SW
ITCH

HOT
IN
RUNAND
START
(FRONT
FUSE
pOYfER
I



F28



I
DISTRIBUTION
I
-AJBOX
6Y
X]4
017

INTAKEAIR
THROTTLE
ENGINECOOLANT
TEMPERATURE
POSITION
TEMPERATURE
SENSORSENSORSENSOR
O

j
1I
20j1Sj18~
10

DATA
LINK
CONNECTOR

YEL
70
I
ON-BOARD



BLK/VIO



81



1023
GROUNDCOMPUTER
4



ION-BCOMP

A/C
L~
VIO/GRY
86!
I
SYSTEM



IICRCRTLMOD

NOTUSED
HOTINRUNANOSTART
F"~
;/~
FRONT
4/F2SE
POWER
I
F7
(DISTRIBUTION
L~
-
JBOX

INSTRUMENT
23X7
.6
CLUSTER

~/
/
/p~
\
\
/
CHECK
f
\di/
ENGINE



I

BLK/WHT
GRV/BLU
B
GRV/WHT
6
GRV/YEL
1

BLK/WHT
73
r
IVSS
GRY
8
~
ED7a
ISRVCREMINO
BRN/
~JECTSENS
BRN
3
~IGROUND
BR"/81K
12
~1TPSINPUT
RED
/V
EL



59~
ISVREF
DR
IIATSENS
YEL
67
ICRNKSHFTSENS
BL
I
CRNKSHFTSENSBRN
/
RG
28
~
I
GROUND

EL
ICAMSHFTSENS

-
ICAMSHFTSENS
BL
0251G
71,

BLK/BLU



48,
I
IA/C
COMPCTRL
WHT/BLK
17
BRNI
G
R



LCONS
NIG
JV
64
~
ITRAN
CTRL
MOD
BRN/ORG
11,
I
DKV

GRV/BLU
41
-j



'
-~
.AFMETER
I
BLKKIG~y
88
IPRESSSWITCH



I

END
NE
CONTROL
MODULE
(OME)

NOFMALSPEEDRELAY

BLKBLK/GRV



z
N~I



I
I
PRESSURE
S
W
ITCH

(-__----

MASS
AIR
FLOWSENSOR

8727
8

GR

FUEL
PUMP

FRONT
POWER
DISTRIBUTION
BOX
-
-
-
-
-
-
----
-
-
-
-
-
-
I
H
OTIN



OXYGENSENSOR
RELAY



I



HEATEDOXYOEN
I
RUNAND



SENSOR
VII



O



I
k

I
FUSE
I
F18
I
1sA

GRN



EXCEPT

zl¢I



alGBN/~I



31811~
"



BLK
20
ENGINESPEED
--\
INPUT
WHTIBLK
21
FUEL

GIN/VIO



I



mI



QGRN
VIO
BRNGRNRED
WHT



ml
flED/WHTflED/WHT



LT



6117



I
DRY
~~
W1EGS



I



W/EGS



L
IENGINDICATOR
BLK



BLK
.



ELK
74
7



ELK
16
ICRANKRPHI
ICAMPOSSENS
ELK



VEL
44
I
CAMPOS
SENS
WH7/BLK



_
WHT/BLK
17I
FUELCONSSIG
68
87
2Y

GRN

Engine
Management

1993-951
.8L
(2
of
2)

a

ELECTRICAL
WIRING
DIAGRAMS
ELE-75

I



ELK
,
ICRANKSENS
YEL67i
ICRANKSENS
B
R
N/
ORG



28
,I
SHEILO
GROUND
_____SRN
36
I;
EEVALVECTRL
WHT/YEL
2B,
L
ISCVALVECTRL
,ED/W
.I

199531811
m
819930NLY

INTEGRATED
CLIMATE
CRANKSHAFT
CAMSHAFT
REGULATION
POSITION/RPM
POSITION
CON7ROLM000LE
SENSOR
SENSOR
I

~~BRNIBL
gRNIBLCA

INSTRUMENT
CLUSTER
SYSTEM
11995,
EXCEPT
-U)

2,J



1
J
.



1
.l



2A,



A,



I,
i
l



_
I



I



I



I
L__i
EL
LT
VAPORATIVE
IDLESPEED
INTAKEAIR
NORMAL
EMISSION



CONTROL



RESONANCE



SPE
EDR



PRESSURE



CVLl-2



CYL3-4



ENGINECOOLANT
VALVEVALVE
CHANGEOVER



SWITCH
KNOCKKNOCK
TEMPERATURE
VALVE
9930NLY)
(1
9
953
1
BlI811



SENSOR



SENSOR



SENSOR
81

ANTI-
THEFT
SYSTEM
(31811
ONLY)

(CONSUMPTION
I
GR



~
CHECK
ENGINE

I
BATTERY
BRNN/BU
f
"
-
IARCVALVE
BLKIG
RR
e5
(
i
K
15
I
AIC
PRESS
I
CYL
l-2
KS
BRN/BLK
4ISENSGROUND
~ICVL3-4KS
BRNIFEI
78
IENOCOOLTEMP
BR
N



12,;THROTTLEPOS
GRY/WHT
5
9,
I5VSUPPLY
GRVIBLK~
I
VAF
SENSOR
GRY/VEL
<1,
I
VAFSENSOR
GRY
RY/BI
VAFSENSOR
I
GRV/VID
77
{
,
VAFSENSOR
I

GRY
I
VIO
4
GRV/BLU
5
GRY/WHT
1

GRYIYEL
2

GRYISL

GRYIWHT
t
BRN
2
BRNIBLK
3

ENG
ME
CONTROL
MODULE
(OME)

VOLUMEAIR
FLOW
SENSOR

jT
;RT~dl
-

8,

THROTTLE
POSITION
SENSOR

87200

ml
1
G312

GRN/VI
O

BRN/GRN

RED
RED

SPLI_E
--

FRONT
POWER
DISTRIBUTION
BOX

I



OXYGENSENSORRELAY
I

~
RED/WHT
RED/WHT
/I\
RED/WHT

W/OEGS

Engine
Management

1993-95
2
.5L
(2
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-77

HEATEDOXVGEN
CRANKSHAFT
CYL1-3
CYL4-6
SENSOR
POSITION(
KNOCK
KNOCK
-



RPM
SENSOR



SENSOR



SENSOR

W/
E..



I



I



I



INSTRUMENT
WHT/BLKCLUSTER



ELK



I
/



BLKK/B~SVBITEM



VIOIGRY
64
I
B
IAICSWITCH
AIC
COMPCTRL
WHT/BLK
46
I
BRNIORG
11
IFUELCONS
BRN/GRV
37



I7
VALVEPOS
BLK
47
I
IGN
TIMING
WHT/VIO
88ICRNKSHFTRPM

W
ITXDDATA
HT/VEL87
H



IR%DDATA
COMP
I
U^



WT/VIO
vc



I
WHT/VEL
0

INTAKE
AIR



THROTTLE
TEMPERATURE
POSITION
SENSORSENSOR

nFffi

BRNIORG
26
ISHEILDGROUND
BLK
40
I02SSIGGND
VEL



13,
102S
SIGNAL
W/EGS



ANTI-THEFT



GRN
ORBLKlV10



66



I
DRIVE-AWAY
SIG

1



I



I
!



~~J
_
______
___------------
TRANSMISSION_
CONTROL



AUTOMATICTRANSMISSION



G117
MODULE
(EGS)



RANGESWITCH

ENGINE
COOLANT



HGTIN
RUN
TEMPERATURE

TEA'

IA
SENSOR
r
,FROOWNER
T

TEA'
EP
I
PD
(DISTRIBUTION
L-J
B0%141
X
1001

INSTRUMENT
23
1
.



CLUSTER

I



II



II
CHECK
I
I
ENGINE
I
I



VEHICLE
II



SPEED
I
OUTPUT
18t'xt6
2Yx1Z
.

BLK/W
HT

GRV
bz
~IVSPEEDSIG
I
~'CHECK
ENGIND



I
BRN/RED
78



I
ENGCOOLTEMP
BRN44,
BRN/BLK
~
I
SENS
GROUND
-<
TPOSSENS



I
REDIYEL
68
'
I



I
RV
77LI6VSUPPLV
G



I
INTK
AIR
TEMP
=LK
7~
I
CYL4
-6KS



I
~BRN/ORG
71
I
7
o
j
IKSGROUND

VEL18
I
~~~CVL1-3KS
I
~CRNKSHFTPOS
I
BLK
43,
ICRNKSHFTPOB

PRESSURESWI7CH



BLK/GRY
65
A/C
PRESS
SIG

HALL
EFFECT
CAMSNAFTSENSOR

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

8299
1

/~



EXCEPT
BRAKE



~J
1997
FLUID
IND
A23
~
.
A16
I



I
SRS
IND

A17

81
18
B

B24

J,



CHARGE
PARK



IND
BRAKE
IND

CHECK
ENGINE
IN.

LEFT
TURN
IND

RIGHT
TURN
IND

1997
ONLY
FUEL
CONSUMPTION
METER

CHECK
IND

SEAT
FRONT
BELT
10
.
LT
INDIND

HIGH
BEAM
IND

FUEL
RESERVE
IND

FUEL
GAUGE

ILL
UM



A22



25
~
(3
USED)



EXCEPT
y
28
7992

TEMPGAUGE

INSTRUMENT
CLUSTER

InstrumentPanel

1992-97
Except
318ti
(1
of
2)

B

-ELECTRICAL
WIRING
DIAGRAMS
ELE-165

HOTATALLTIMES
________



HOT
IN
RUNAND
START



HOTATALLTIMES
IGNITION
r



FUSE



FUSE
I
FRONT
UTION
I



(SWITCH
F21



~F31
DISTRIB1000%
LOCK



START
LOCK



START
LL
I
5
_A
_-__-
ACC
RUN
ACC
RUN



14



2
L---



-------
-
-



OR
N1



RED/
T



V



YEL
11

EXCEPT



2



lo
GRN
1997
VIO

RED/WHT
1
(ORWHT)
2
GRYIRED
3
BLU/BRN
4
BLU/GRN
5
GRVIBRN

BS
7
CONVERT-
8
ISLE
ONLY

HEADLIGHTS
SYSTEM
INTERIOR
LIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
TRANSMISSION
SYSTEM
EXTERIOR
LIGHTS
SYSTEM

9
I
iw
.TIBLU
POWERTOPSSYSTEM
11
WHT/YEL
12
WHT/VIO
13
BRN/RED
14
BLU/BLK
15
VIO
16
GRY
-
ENGINE
CONTROLS
SYSTEM
17
BRN/GRN
18
BAN
/Vlo19
YEL
20



BLK



ENGINE
CONTROLS
SYSTEM
A79



21
WHT/BLK
22
RED/YEL
814



23
GRNIVIO
24
BRNIORG

SUPPLEMENTAL
RESTRAINTS
SYSTEM

SPEEDOMETER



816
CONNA
1
WHTIRED
B4
~2
BLK/WHT
ROLLOVER



33
8R~N
PROTECTION
IND



B17



4
GRN/BLU
(CONVERTIBLE)



5
GRIN
TACHOMETER



B18



6
BLU



STARTING/
7



CHARGINGSYSTEM
A20



8
YELIBRN
B
-K/FED
10
WHTIGRY
11
GRYIBLK/YEL
12



BL
LISP
N13
GRN/PED
14
BLU/VIO/YEL
15
WHT/GRN
89



16
VIO/YEL



BRN
"



~I
G202
17
BRNIYEL



GRY/BLK,



BFN

15



18
BN/VIO



VEL
B
ANT
19
BRNIGRN



1997
LOCK



~`r~i
j



W/OASCW/ASO
83



20
GRYIBLK/VEL



ONLY
SYES
4



STEM
GRV/BLK/VEL
21
(ORBRN)



(ORBRN)
22
BLU/BLK
23
BRN/GRV/VEL



BRNIGRVIVEL
19

BRN/GRV
OR
BRN/GRN

HEADLIGHTS
SYSTEM

BODYCOMPUTER
SYSTEM
ANTI-LOCK
BRAKESSYSTEM
ANTI-LOCK
BRAKESSYSTEM
(EX
1992
A1993)
ENGINE
CONTROLS
SYSTEM
(1997
ONLY)
BLU/VIO/YEL

J

EXCEPT
1
.92
.
1993

BIN/
VIO
BRN/GRN

11

OIL



[
._~]
PARK



RA11FL11

AL.^



SWITCH
I
PRESSURE



BRAKE



LEVELSW
U
ITCH
SWITCH

111
G202
GROUND



GROUND

REDIYELRED/YELRED/YEL
WHTIYEL
WHT/VIO
BRN/RED

YEL

GRN/BLU
BLKIWHTBRN/BLK
BLK/RED

WHTIGRN
VIO/YEL
BRNIYELBRN/VIO
BLU/BRNIYEL

BRN/YEL

e9
0
11

1213
141516

ELE-166
ELECTRICAL
WIRING
DIAGRAMS

"
-

N15
WH7/VA



I
COLIESSSVSTEM
20
WHT/VIO

DATALINK



WHT/GRN
CONNECTOR



WHT/YEL
1

WHT/VIO
REDIVEL
FF"
2
REDIVELREDIVEL

17
BRNIYEL

170
I
TAC-I~
RADIO
DRIVER'SSEAT
BELT
SWITCH

BLUI



I
_



I1
BRN
VIO/YEL
2



I
-
18

19
BRN/GFY/YEL
20
BLU/VIOIWHT
21
BRN/RED

YEL

8299
2

YEL

LEFTFRONT
BRAKEPAD
SENSOR

RIGHT
EAR
BRAKEPAD
SENSOR
HOTINRUNANDSTART



HOTINACCY,PUNANDSTART



HOTINACCY,RUNANDSTART

r
F23
E___



USE
__________-IFFUSE
USE
IDSOTRIBUTIONBOX

BLK/WHT

BRN



"BAN



,I
G312

BRNIVIO

ENGINECOOLANT
TEMPERATURESENSOR

InstrumentPanel

1992-97
Except
318ti
(2
of
2)

5A_____-TISA
____________
.T7
.5AJ
B



32



30Y
GRN/



viol
I



viol
BLU
I



YEL



WHT

WHT/VEL
WHT/VIO
BRNIRED

EXCEPT
1992
&
1993



OIL7EMPESENSOR

7
YEL



(CANADA61997)

.
BRNIGRVIYEL

e
GRNIBLU
9
BLKIWHT



DRIVERS
DOOR
0



JAMB
1994
SWITCH
1
BIN/ILK



(19926
1
993
BLK/RED



2
DOOR,
6

VIOI



WICCM



CONVERT
BR
WHTIGRN



YE'
I



3



N/GRY
~

(EX
1992
6
7993
200

V"'

0R
6
VIO/YEL



I
BRAKELIGHT
.
1990
CONVERTIBLE)
BRNIYEL



SWITCH
BRN/VIO



I



I



8RN/GRV
BLUIBRN/VEL



-
----+-j
W/CCM

.LU/



COMPUTER
REDI



BRN1
~



TEMPSENSOR

MMONE

-
.

INNER

BRNIYEL
I----



I



I--
-



-----
--
W/_I



I



I
CC
M

CHECK
CONTROLMODULE



ON-BOARD
DISPLAYICOMPUTER

BRN

G203

BRNIYEL

FUELTANKI
SENSOR"

FUELLEVEL
SENSORI

8RN/BLK
BRN/BLK
VEHICLE
SPEEDSENSOR

BF
RED
an
RED
YEL

GRN/BLU
9
I
WIT/

WHT/RED
11-I



I
BRNI
.P
Y12
I



I
BLK/WHT
13
I
VIO/WHT
10
I
BLU/VIO/WHT
75
I
GRV/RED
18`
I



I
BRN
17
~I
PEDIYEL
18
I



I

MULTI
FUNCTION
CLOCK

WHTwHTRG1
-
I
WHT/BLU
3
I



II



I
BLKIRED
2
{
I



I
REOIVE
L4
I



I

CHIMEMODULE

WARNING

Your
common
sense,
good
judge-

ment,
and
general
alertness
are
cru-

cial
to
safe
and
successful
service

work
.
Before
attempting
any
work
on

your
BMW,
read
the
warnings
and

cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
these
warnings
and
cautions
each
time
youprepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-

pany
the
procedures
in
the
manual
.

A

ABS
(anti-lock
brakes)

See
Brakes
Accelerator
and
throttle
linkage
See
Maintenance
program
Air
conditioning
general
information
640-1
air
distribution
motor,
replacing
(rotary

knob)
640-10
air
distribution
motors
640-9

blower
motor,
removing/installing

640-1blower
motor
resistor
pack,
replacing
640-3
compressor,
replacing
640-12
compressor
clutch
640-13
condenser,
replacing
640-14
control
head
640-7
removing/installing
(digital
-display)

640-8
removing/installing
(rotary
knob)

640-7
control
module
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-8
evaporator,
removinglinstalling

640-17
evaporator
temperature
sensor,

replacing
640-17

expansion
valve,
removing/installing

640-16
microfilter,
replacing
640-18
receiverldrier,
replacing
640-15
sensor
fan
forinterior
temperature,

replacing
640-9
warnings
and
cautions
640-11

Air
distribution
(flap)
motor

See
Air
conditioning
See
also
Heating
Air
filter
See
Maintenanceprogram

Airbag
system
(SRS)
general
information
721-1

contact
ring,
replacing
721-3

driver
side
airbag,removing/installing

721-5
front
crash
sensor,
replacing
721-4

front
side-impact
airbag,
removing/
installing
721-7

front
side-impact
airbag
crash
sensor,

removing/installing
721-5

passenger
side
airbag,
removing/

installing
721-6
sensors
and
electronics
721-1

SRS
warning
light
and
fault
display

721-2
systems
721-1
ZAE
control
module,
replacing
721-5

Alarm
system
See
Central
locking
and
anti-theft

Alternator
See
Battery,
starter,
alternator

Anti-freeze
(Engine
coolant)

See
Maintenance
program

Anti-theft
See
Central
lockíng
and
anti-theft

AST
(Al¡
season
traction)
300-4

ATF
(Automatic
transmission
fluid)

See
Automatic
transmission

Automatic
transmission

See
alsoTransmission-general
general
information
240-1

ATF,draining
and
filling
240-2

ATF
leve¡,
checking
240-1
transmission
removaland
ínstallation

240-4
transmission,
removinglinstalling
240-4
transmission
service
240-1

Auxiliary
fan
See
Cooling
system
Axle
joint
See
Maintenance
program

B

Back-up
light
switch
See
Manual
transmission
Balljoint
See
Front
suspension
Battery
See
Battery,
starter,
alternator

Battery,
starter,
alternator
See
also
Maintenance
program
general
information
121-1

alternator,
removing/installing
(4-
cylinder
engine)
121-5
alternator,
removinglinstalling
(6-
cylinder
engine)
121-6
alternator
brushes,
inspecting/
replacing
121-7
alternator
service
121-4
batterycharging
121-4
battery
load
voltage
test
121-4

batteryopen-circuit
voltage
test
121-4

battery
service
121-3

INDEX
1

Battery,
starter,
alternator
(cont
.)
battery
testing
121-3
charging
system
quick
check121-2
charging
system
troubleshooting
121-
2
hydrometer
testing
121-3
solenoid
switch,
removinglinstalling
121-10
starter
service
121-7
starter
troubleshooting
121-7
starter,
removing/installing(4-cylinder
engine)
121-8
starter,
removing/installing(6-cylinder

engine
with
automatic
transmission)

121-9
starter,
removing/installing
(6-cylinder
engine
with
manual
transmission)
121-8
static
current
draw,
checking
121-2
voltage
regulator,
removing/installing
121-6
Bearing,
wheel
See
Front
suspension
or
Rear

suspension
Blowermotor
See
Air
conditioning
See
also
Heatíng
BMW
emblem
See
Exterior
trim,
bumpers
Body-general
general
information
400-1

body
assembly
400-1
central
body
electronics
400-4
convertible
models
400-2
coupe
models
400-2
electronic
immobilizatíon
system
400-
4
exterior
and
aerodynamics
400-2

heating
afhdair
conditioning
400-5

instruments
and
controls
400-4
interior
equipment
400-3
seats
and
seatbelts
400-3
Body
side
molding
See
Exterior
trim,
bumpers

Brake
fluid
See
Maintenance
program

Brakes
general
information
340-1
antilock
brake
system
(ABS)
340-11
inspection
340-12
wheelspeed
sensors,
replacing

340-12
bleeding
brakes
340-3
brake
booster,
removinglinstalling
340-8
brake
caliper,
removing/installing

340-6
brake
pads,
calipers,
and
rotors
340-3

brake
pads,
replacing
340-4
brake
rotor,
removing/installing
340-7
master
cylinder,
removing/installing

340-7
parking
brake
340-10
adjusting
340-10
.
cable,
replacing
340-11
shoes,
removinglinstalling
340-11