1998 BMW 328i fuel tank

SO



OXYGEN
OXYGEN
OXYGEN
OXYGEN
CAMSHAFT



DUALTEMPERATURE
SECONDAIR
PUMP
RELAY



VALVE
ID



SECOND



CARBON



EXHAUST
UST



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SENSOR



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POSITION



SENSOR
INTAKE
AIR
(RUNNING



AIRPUMP



CANISTER



FLAP



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(IN
FRONTOF



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(BEHIND



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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

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MODULE(EGS)



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METE
R



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1
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1



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MENT



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46
I
FUELCONS
CLUSTER



SRWRED
10
I
ENGCOOLTEMP
GRV/BRN
39
I
GRY
14
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NCA
S1
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BLK64,
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65
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YEL
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71
1
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1
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55
I
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TG
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I
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I
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I
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1
GflV/V=0



BIGEXHSTFLAP
I
GRN/BLU
61,



I
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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
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I
VIO/GRY
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BIG



I
BLK
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I
CRNKSHFTRPM
I
GRN/BLU
60,
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WHT/VIO/VEL
88
I
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6
I
SILK



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1
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MTR
HOTFAMMTR
BRN/0=
1
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YEL
4
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K
400
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GROUND
VEL/RED
11
IFUELTNKPRES
REDIGRN
00
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BLK
12ITHROTPOSSIG
BRN
42
GROUND
ENGINECONTROL
MODULE
(DME)

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J
]
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0
1



I



RE
~
/GRN
3,

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1
YEL/RED
3
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2

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l



ml



mlml



PRESSURESENSOR
¢I
¢I
ml
>I
t7
B



¢I3I
m
O
3m



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m

ELE-84
ELECTRICAL
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DIAGRAMS

UNLOADERRELAY
TERMINAL15

106626

VARIABLECAMSHAFT
CONTROLVALVE1

I
CAMSHAFTCTRL'f21
GRNIBLU

CYLIINJI
6B
L
N/WHT
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BAN/RED
CYL61GNCOILI
1
3
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B7
HOTFAMMTRIj3
YEL
]
10
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ENGCOOLTEMPI
WHTIBL
PK
FUELCONSI
THRO7
POS
SIG
I
12
CYL41GNCOILI
2
BK/BLU

Engine
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19982
.5L
(3231),
2
.8L
(3281),
3
.2L
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(1
of
2)

FUEL
INJECTION
VALVES

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11



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1
1111I11III



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1I
1



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1
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II



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15
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I
16
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25
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27
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.
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OUNOI
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45
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46
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YEL

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.
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,
71
,
17
,
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,
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PRESSURE
VALVE
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IGNITION
COILS

FRO_NT_POWWE_RD_IST_RI_BU_TIO_NB_0%_________________
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CONTROLMODULE
RELAY



CVL1-6FUEL
PUMP
RELAY

THROTTLE
IHTAKEAIR
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SENSOR

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r
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4
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1211
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DUALTEMPERA7URESENSOR
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ELECTRICAL
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-

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COLIESSSVSTEM
20
WHT/VIO

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WHT/GRN
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WHT/YEL
1

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FF"
2
REDIVELREDIVEL

17
BRNIYEL

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

BLUI



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_



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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

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,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



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I



3



N/GRY
~

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1992
6
7993
200

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6
VIO/YEL



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BRAKELIGHT
.
1990
CONVERTIBLE)
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-
----+-j
W/CCM

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~



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-
.

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-



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--
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I



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CC
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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
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Y12
I



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



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BRN
17
~I
PEDIYEL
18
I



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MULTI
FUNCTION
CLOCK

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-
I
WHT/BLU
3
I



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I
BLKIRED
2
{
I



I
REOIVE
L4
I



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CHIMEMODULE

ELE-168
ELECTRICAL
WIRING
DIAGRAMS

5
6
7
0
10

10462
9

GRN/BLU

BRN/YEL
BRN/BLK
BRN/RED
DRIVERS
DOOR
JAMB
SWITCHBAN
t
YEL
SAW
ELI
YEL

Instrument
Panel

1998
Except
318ti
(2
of
2)

OIL
TEMPERATUR
PARK
LEFTFRONTRIGHTREAR
SENSOR



BRAKE



BRAKEPAD



BRAKEPAD



CHECK
CONTROL
SWITCH
SENSOR
SENSOR



MODULE

I

SREDI
BFI
GRNI
NCAI
YELIYELI
YELI
BR
.:

1



I



3I3I
3GROUND
I



BANI



III



III



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BLK/WHT

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BRN/RED



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I

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BLK/WHT
1
I



I
BRN/GRN



II
I



HIPI
AMPLIFIER

L



I



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BLK/WHT
5
i_--I

REDIYEL
q



WIPERIWASHERMODULE
II



-_
BLK/WHT
10I
I



I--I
CRUISE
CONTROLMODULE
I

BLKIWHT



SLK/WHT
10
I



I

PINS
USED
W/

BRN/GRN
11
BLU/RED
22
BLK/RED



WHT/SLU
33
WHT/GRN
44
WHT/GRY
55
BLU/BRN/YEL
667
STARTING/



BLK/GRN
BB
CHARGINGSYSTEM
GRN/BLU
9
WHT/BLU
10
WHTIRED
11
BRN/GRY
12
BLK/WHT
13
V
11
/WHT
1414
BLU/VIOIWHT
1515
EXTERIOR
LIGHTS



GRY/RED



1616

H

BRN/GRY/YEL
SYSTEM



RAN
1717
BLU/VIO/WHT



RED/YEL
1515

BLUIBRN/YEL
MULTI-FUNCTION
CLOCK

ON-BOARD
DISPLAY

EXTERIOR
LIGHTS
SYSTEM

BRN/
DAY
/
YEL

GVEL



BRN/GRY

BRN/
POWER
GRY/I
WINDOWS
YEL



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mI
3I
3
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t

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AT



HOT
IN
ACC,
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START
FUSE



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FUSE
FRONTPOWER
F45



I
DISTRIBUTION
11,

5=____~-5_J
30Y
REDII



V101
I
YELI
WHTI

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WHT

ON-BOARD
COMPUTERMODULE



TEMPERATURE

BRN

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1



I
VEHICLE
FUELLEVEL
FUELTANK
I



"
I



1
BAN/
SPEEDSENSOR



SENSOR



SENSORII



BAN
I



SANI



BAN
I



GAS
I
1
1



1



1
G312



G202



G203



G203

I

AUTOMATIC
CLIMATE
CONTROL
MODULE

BLKLKIW



J
T



13



1



I

RADIO

BRN/ORG

ELE-170
ELECTRICAL
WIRING
DIAGRAMS

15~HT/YEL
20
Y
WHT/VIO

DATA
LINK
CONNECTOR

i6

S
YEL

7
GRN/BLU
S
BLK/WHT
S
BRNIBLK
10
ELK/RED

11
WHT/GRN
12
VIO/YEL
13
BRN/YEL
1C
BRN/VIO

1S
BRN/YEL

I



1110
BLK/WHT

YEL

63365

RED/YELRED/YEL
RED/YEL
WHT/YELWHT/VIO

I
TAC=I
CRUISECONTROL
MODULE
1997
ONLY
BRN/GRY/YEL
4
H

BRNIRED



INTERIORLIGHTS
SYSTEM

YEL

LEFTFRONT
BRAKEPAD
SENSOR

RIGHT
REAR
BRAKEPAD
SENSOR

BRN



"
BRN



,~
G312

BRN/VIO

ENGINE
OOLANT
TEMPERATURE
SENSOR

BRNIYEL

HOT
IN
RUNAND
START



HOTINACCY,RUNANDSTARTr



-
---
FRONTPOWER
FUSE



FUSE



DISTRIBUTIONBOX
)
F23



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6



32GRN(



VIO/~
Btu



YEL

DOMPUTER
DATA
I



YEL
LINES
SYSTEM

WHT/YEL

"



FUELTANK
SENSORII

InstrumentPanel

1995-97
318ti
(2
of
2)

BR
4

EXCEPT
1997

GRY/REDGRY/RED

ENGINECONTROLS
~IHTW
/BLK
SYSTEM
WHT/YEL
''
coMPUTERDATA
T/VIO
LINESSYSTEM~
WH-

BRN/
RED
COMBINATION
r
-
-
(SWITCH

BLK/WHT
WIPER/WASHERSYSTEM

BLK
K/=HT
ENGINE
CONTROLSSYSTEM

BOARDCOMPUTER

G203

BRNIYEL(ORGRYIYEL)

BRN/GRY/YEL

C
DRIVERS

S
W
ITCH

FUELLEVEL
SENSOR

BRN/RED

G312
.Ip
BRN
"



BRN

RED/YEL
3
,a
BLK/R
IV
BRN



.



BN



1
{
G202
CHIME
MODULE
(1997)

REDIYEL
5B,
VIO/YE
-
L
i4
BRNIOR
6
3~
GRY/RED
11
2,

BANIGFY

ON-BOARD
COMPUTER
TEMPSENSOR

BRNIORG

11
~u
DIGITAL
CLOCK

ELE-172
ELECTRICAL
WIRING
DIAGRAMS

B78

10458
1

BRNIGRN



_
I
-


BRN/W
XT
5
I
YEL



I
--

REDIYEL

4



BLK/WHT



:



BRN/WHT
10
I
I
RADIO
0

"1
h
L



RED/VEL
3
BLK/RED



BLK/RED
2

VIO/VELVIOIYEL
BRN/GRY/YEL

BRNIYEL
BRN/BLK
SRN/RED

PARK



LEFTFRONTRIGHTREAR
BRAKE



BRAKEPADBRAKEPAD
SWITCH



SENSORSENSOR

GRN/~
NCAt



VELf
VEL



YEL
BRNj

InstrumentPanel

1998
318ti
(2
of
2)

A



A



A



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A



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11f



'
11
SWITCH



I!

BRN
I



BRN
/
VEHICLE
FUELLEVEL
FUELTANK
SP
EEDSENSOR



SENSOR



SENSORII



BRN



BFN

HOTAT
ALLTIMES

I
FUSE,DISTRIBUTI,ONBOK

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RED/I
YELI
I

W
IPERIW
ASHER
MODU
LE

BRNIWHT
10~I



I
I
CRUISE
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MODULE

CHIME
MODULE

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1

1
~
WHT/VIO
2JCOMPUTERDATA
~l
LINESSYSTEM
WH/YE
WHT/BLK
4
ENGINECONTROLS
~,
RED/YEL
5
BRNIORG
8
BRN/YEL
7
BRN/GRY
8
BLK/WHT
9
VIO/YEL
10
INTERIORLIGHTS



GFYIRED
11
SYSTEM



12

GRV/
RED
YEL



10
NCA
DRIVERS
COMBINATION
BRN/I



BRN/I



BRN/'



I



1



BRNII



I



A



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I



I
SWITCHRED
/



BLK



BLK
/



YEL
I



YEL
I



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I



/



I
JAMB



I



I

.A
1
G
40E



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BRN/
I
ORD
I
1
G201

BRN/GRV

BRN/ORG

REOIVEL
fi
VIO/YEL
5

BRN/ORG
3`
INTERIORLIGHTS
GRV/RED
2
SYSTEM

BOARDCOMPUTER

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR

DIGITAL
CLOCK

2
INDEX

Brakes
(cont
.)
pressure
bleeding
brakes
(except
cars
wíth
AST)
340-3
troubleshooting
340-1
Brushes,
alternator
See
Battery,
starter,
alternator
Bulbs
See
Exterior
lighting
See
also
Instruments
Bumpers
See
Exterior
trim,
bumpers

C

CamberSee
Steering
and
wheel
alignment
Camshaft
See
Cylinder
head
and
valvetrain
Camshaft
position
sensor
See
Ignition
system
Camshaft
timing
chain
general
information
117-1
camshaft
timingchain,
4-cylinder
117-
2
camshaft
timing
chains,6-cylinder
117-6
camshaft
timing
chain,
removing
(4-cylinder
engines)
117-2
camshaft
timing
chains,
removing
(6-cylinder
engines)
117-7vanos
(variable
valve
timing)
117-14
control
unit,
removing
117-16system
operation,
testing
117-14
Caster
See
Steering
andwheel
alignment
Catalytic
convertor
See
Exhaustsystem
Cautions
viü
Center
bearing
See
Driveshaft
Center
console
See
interior
trim
Central
body
electronics
(ZKE
IV)
515-8
Central
locking
system
(ZVM)
515-7
Centrallocking
and
anti-theft
general
information
515-1
door
handles
and
Iocks
515-1
door
striker,
replacing
515-6
front
door
handle,
removing/
installing
515-3
front
door
lock,
removing/installing
515-1
rear
door
handle,
removing/installing
515-5
rear
door
lock,
removing/installing
515-4
EWS
II
control
module,
replacing
515-10
EWS
II
ring
antenna,
replacing
515-10
EWS
II
transmitter/receiver
module,
replacing
515-11
locking
system
and
electronic
immobilization
515-7
luggage
compartment
locking
actuator,
removing/installing
515-6

Clutch
general
information210-1
clutch
hydraulic
system,
bleeding
and
flushing
210-2
clutch,
inspecting
and
installing
210-5
clutch
master
cylinder,
replacing
210-2
clutch,
removing
210-4
clutch
slave
cylinder,
replacing
210-3
transmission
pilot
bearing,
replacing
210-6
Clutch
fluid
See
Maintenance
program
Coil
See
Ignition
system
Coilspring
See
Rear
suspension
Component
locations

See
Electrical
component
locations
Compressor
See
Air
conditioning
Compressor
clutch
See
Air
conditioning
Condenser
See
Air
conditioningControl
arms
See
Front
suspension
See
also
Rear
suspension
Convertible
top
general
information
541-1
manual
convertible
top
541-1
lid
release
mechanism
541-2
replacing
541-2
visor
latch
541-1
visor
latch
píate
541-1
power
convertible
top
541-2
drive
motor,
replacing
541-7
emergency
operation
541-7
front
latching
mechanism
541-4
lid
541-9
replacing
541-5
visor
latch
541-4
visor
latch
motor541-5
visor
latch
plate
541-4
rollover
protection
system
541-9
Coolant
(Anti-freeze)
See
Maintenance
program
Coolant
pump
See
Cooling
system
Cooling
system
general
information
170-1
cooling
fan,
replacing
170-8
coolant
pump,
replacing
170-10
coolant
pump
and
thermostat170-1
coolant,
draining/filling
170-5
cooling
fans
170-2
cooling
fan,
testing
170-4
cooling
system
service
170-5
cooling
system,
bleeding
(radiator
with
integral
expansion
tank)
170-6
cooling
system
pressure
test
170-3
electric
cooling
fan,
replacing
170-8
radiator,
removing/installing
170-11

Cooling
system
(cont
.)
radiator
and
expansion
tank
170-1
radiator
service
170-11

temperature
gauge
quick
check170-3
thermostat
quick
check
170-3
thermostat,
replacing
170-9
troubleshooting
170-2
warnings
and
cautions
170-2Crankshaft
position/rpm
sensor
See
Ignition
system
Crash
sensor
See
Airbag
system
(SRS)
CV
joint
See
Maintenance
program
See
also
Rear
suspension
Cylinder
head
and
valvetrain
general
information
116-1
camshaft116-7
camshafts,
removing/installing
(M42
engine)
116-1camshafts,
removing/installing
(M44
engine)
116-3
camshafts,
removing/installing
(6-cylinder
engine)
116-4
cylinder
head,
disassembly/assembly
116-1
cylinder
head
and
valvetrain,
reconditioning
116-7
cylinder
head
116-7
hydraulic
cam
followers,
checking
and
replacing
(M42
and
al]
6-cylinder
engines)
116-9
hydraulic
valve
adjusters,
checking
and
replacing
(M44
Engine)
116-8
valve
guides
116-10
valveseats
116-12
valve
springs
116-12
valve
stem
oil
seals
116-11
valves
116-11

valves,
leak
test
116-11
valves,removing/installing
116-6
Cylinder
head
removal
and
installation
general
information
113-1
cylinder
head,
removing/installing
(4-
cylinder
engine)
113-1
cylinder
head
(6-cylinder
engine),
removing/installing
113-10

Dashboard
See
Interior
trim

Deck
lid
See
Trunk
lid
Defogger

See
Heating
Differential
See
Final
drive
DISA
(dual
resonance
intake
system)
See
Fuel
injection
See
also
Engine-general
DME
(digital
motor
electronics)
See
Ignition
system
See
alsoFuel
injection

WARNING

Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
tosafe
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
frontof
the
manual
.
Review
these
warnings
and
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
.

Fuel
pressure
regulator
See
Fuel
injection
Fue]
pump
general
information
160-1
electrical
tests
160-7
power
consumption,
testing
160-7
delivery
tests160-8
delivery
volume,
testing
g
160-9
electrical
circuit,
checking
160-7
fuse
and
relay
160-6
level
sender
See
pump/fuel
leve¡
sender
operating
fuel
pump
for
tests
160-6
pump/fuel
level
sender
(left
side),
removing/installing
160-6
pump/fuel
leve¡
sender
(right
side),
removing/installing
160-5
relieving
fuel
pressure
and
connecting
fue¡
pressure
gauge
160-8
Fueltank
and
lines
general
information
160-1
draining
160-2
evaporative
control
system
160-4
leve¡
senders,
testing
160-5
removing/installing
160-3
Fundamentals
for
the
do-it-yourself
owner
general
information
010-1
advice
for
the
beginner
010-4
cleanliness
010-4
electrical
testing
010-6
gaskets
and
seals
010-5
non-reusable
fasteners
010-5
planning
ahead
010-4
tightening
fasteners
010-5
wire
repairs
010-6
buying
parts
010-6
genuine
BMW
parts
010-6
information
you
need
to
know
010-7
non-returnable
parts
010-7
emergencies
010-11brake
fluid
leve¡
010-13
car
will
not
start
010-11
changinga
tire
010-11
check
enginewarning
light
010-13
dim
Iights
010-13
jump
starting
car
010-12
low
o]I
pressure
010-13
overheating
010-12

Emergencies
(cont
.)
spare
parts
kit
010-14
towing
010-13
gettingstarted
010-2
lifting
thecar
010-3
raising
car
safely
010-3
safety
010-2
working
under
car
safely
010-4
how
to
use
this
manual
010-2
warnings,
cautions
and
notes
010-2
service
010-7
tools
010-7
basic
tool
requirements010-8
BMW
specialtools
010-11
feeler
gauges
010-10
jack
stands
010-9
oil
change
equipment
010-9
torque
wrench
010-10
volt-ohm
meter
(VOM)
or
Multi-
meter010-10
Fuses
See
Electrical
component
locations

G

Gaskets
See
Fundamentals
for
the
do-it-
yourself
owner
Gearshift
See
Gearshift
linkage
Gearshift
linkagegeneral
information
250-1
automatic
shiftlock,
checking
function
250-5
automatic
transmission
gearshift
250-
3
gear
position/neutral
safety
switch,
replacing
(automatic
transmission)
250-4
gearshift
lever,
installing
(manual
transmission)
250-2
gearshift
lever,
removing
(manual
transmission)
250-1
gearshift
mechanism,
adjusting
(automatictransmission)
250-3
manual
transmission
gearshift
250-1
shift
interlock,
checking
function
(automatic
transmission)
250-6Glass
See
Door
windows
Glove
compartment
See
Interior
trim
Grille
See
Exterior
trim,
bumpers
Guibo
(flex
disc)
See
Driveshaft

Handle,
door
See
Doors
Hardtop
See
Body-general
Headlight
See
Exterior
lighting
Headlight
switch
See
Switches
and
electrical
accessoriesHeater
box
See
Heating
Heater
core

See
Heating
Heater
valve
See
Heating
Heating
general
information
640-1
air
distribution
motors
640-9
air
distribution
motor,
replacing
(rotary
knob)
640-10
blower
motor,
removing/installing
640-1blower
motor
resistor
pack,
replacing
640-3
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
heater
box,
removing640-4
heater
core,
replacing
640-6
heater
core
temperature
sensor,
replacing
640-7
heater
valve,
replacing
640-3
rear
window
blower
(convertible
models)
640-10
reas
window
defogger
640-10sensor
fan
forinterior
temperature,
replacing
640-9warnings
and
cautions
640-11
Hood
See
Fenders,
engine
hood

Idle
speed
See
Maintenance
program
Idle
speed
control
valve
See
Fuel
injection
Ignition
switch
See
Switches
and
electrical
accessories

INDEX
5