1998 BMW M3 doors

ELE-234
ELECTRICAL
WIRING
DIAGRAMS

82908

L
1
3
--J
8
RED/
BLU

I



TERMINAL30H
I
12



BLKIGRN



STARTING/CHARGING
I



ICONN10182



SYSTEM

BLK/GRV
REVOLUTIONSIG
I~
~
9
REVOLUTIONSIG
I)
-
DATASIG
I
20



GRN/RED
PL
USSUPPLV
I



23



BLK/WHT
ORBLK
VOLTSUPPLV
I
24



VEL/WHT
ORYELIBLK
I
CONN
13253
DOORSIG
I
2



BRN/GRV/VEL
DOORSIG
I
3



BRNIBLU/VEL
OPEN
SIG
I



0



VIOIWHT
CLOSES
IG
I



7



BLK
WHT
OPENSIG
I
8



WHT/GRN
CLOSE
SIG
I



9



BLUIGRN

I



WHT/GRN
DATASIG(CONV)
I
5



WHT/VEL



WHT/VEL



v

BLK/GRV
LATE
SIG
iBLK/G
RN
8
BLU/GRN



BLU/GRN
n
CLOSE
SIG



12
I
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I



9



BLU/VEL



BLU/YEL



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I
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I
10



WHT/VEL



WHT/VEL



14
I



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I



DATASIG(OONV)
I
11



WHT/GRN
OPEN
SIG
(4
DOOR)ICONN13255

BODVELECTRONICS
CONTROL
MODULE
(ZKE
IV)

I



h6
BRN/GRV/VEL



I

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BRN/GRV/YEL
I



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1
5
BRN/BLU/VEL

ANTI-THEFT
CONTROLMODULE

VOLTSUPPLV
I
VOLTSUPPLV
II
T



BLU/GRN
POWERSUPPLV
I~
ED
/
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MTRSIG
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13



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14



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13252

CHILDPROTECTSIG
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10



GRN/BLU
BLU/VEL
OATASIG
I
15



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I



1
DATA
BIG



18



BLK
RED
I



BLKIRED
2
DATA
SIG
I



17



WHT/RED



WHT/RED



3
I
CONN13254



6RN/RED
4
DATA
SIG
I



1



BLKIRED



BLK/RED



8
OPEN
SIG
I



2



BLK/YEL
BLK/VEL
8
OPEN
SIG
I



3



BLKIRED



SLK/RED
7
OPEN
BIG
I



4



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.
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.
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WHT/6RN
8

BRN/GRYIV
EL

DRIVERS
DOOR
J
AME
SWITCH

PASSENGERB



B
DOOR
JAMB
SWITCH



G203
SR
.



(CONVERTIBLE)
.
BRN



~~,
G303

HOT
AT
ALL
TIMES



DRIVERS
POWER
WINDOW
MOTOR



PASSENGERS
POWER
WINDOWMOTOR
_
_
r~~L,
'U"-1
FRONTPOWER
I



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F14



I
DISTRIBUTION
BOX

(E%
CONVERTIBLE)

Power
Windows

1994-97
Except
318ti
(1
of
2)

CHILD
PROTECTION
CONTROL
(6
DOOR
ONLY)

(EX
CONVERTIBLE)



.



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1



'
-



"

INSTRUMENT
CLUSTER
SYSTEM

57

G302

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WHDT



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BRN
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41



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3I4
G203
(CONVERTIBLE)
I
GRN/I



DRIVERS
PASSENGERS
POWER



POWER
G301
BLU



0



WINDOW



WINDOW
SWITCH



~



SWITCH

~



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s
~-
-
l°{°lJ
I
-~
~J



~

CLOSESIG(4DOOR)
I
10

INTERIOR
LIGHTS
SYSTEM

ELE-236
ELECTRICAL
WIRING
DIAGRAMS

HOTATALLTIMES
f
-
-T
USE
-1FRONTPOWER
F14



I
DISTRIBUTION
BOX

RED/
:
BLU
:

I



STARTERSIG
I
12



BLKIGRN



STARTING/CHARGING
I



I
X
10182



SYSTEM

10452
9

VOLT
SUPPLY
I
fi~
IIIJWHT
VOLTSUPPLY
I
j
7



BLU/GRN
POWERSUPPLY
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REOIBLU
MTRSIG
I
13~
BLK/WHT
MTRSIG
I
%
14



YEL/GRN
I
X1]252
REVOLUTIONSIG
I
~
9
BLKIGRY
REVOLUTIONS
.
I
)_2_
YELIGRY
DATASIG
I
20



GR
/RED
PLUSSUPPLY
D
23



BLK
VOLTSUPPLY
I
224



YEL/BLK
I
X13253

Power
Windows

1998Except
3181,
318ti
(1
of
2)

DOORSIG
I
2



BRNIGRY/YEL
DOORSIG
I
3



BRNIBLU/YEL
OPENS
IG
I



B



VIO/WHT
CLOSESIG
I
7



BLK/WHT
OPENSIG
I
3



WHTIGRN
CLOSES10
I
9



BLU/GRN
CHILDPROTECTSIG
I
10



GRN/BLU
DATASIG
I
15



BLU/YEL
I



BLU/YEL
1
SIG



10



BLK
RED
DATA



BLK/RED
2
DATA
SIG
I



17



WHT/RED



WHT/RED



3
I
X13254



GRN/RED



4
DATASIG
I
1



BLK/RED



BLK/RED



5
OPEN
SIG
I



2



BLK/YEL



BLK/YEL



e
OPENSIG
I
3
-/RED
BLKIRED
7
OPEN
SIG
I



4



WHTGRN
WHT/GRN
S
I



WHT/GRN
9
DATASIG(CONV)
I
5



WHT/YEL



WHT/YEL



1
.
CLOSE
BIG
(0
DOOR)
I

DATA
I
7
BLKIGRY
SIG
CLOSE
S
:
.
I



8



BLU/GRN
CLOSE
SIG
I



9



BLU/YEL
CLOSESG

DATASIG(CONV)
I
11



WHT/GRN
OPEN
SIG
(4
DOOR)
i
X13255

8
DYELECTRONICS
CONTROL
MODULE
(2KE
IV)

I
34B
RN
IGRY/YEL



I
I
BRN
I
GRY/YEL
I



h5
BRN/BLU/YEL

ANTI-THEFT
CONTROLMODULE

BRN/GRY/YEL

DRIVER'S
DOOR
JAMB
SWITCH



I



I



WHT
:
WHT
:



GREDI



GRIN
:



GRN
/
I



G
ED

BRN
._EJR-N--
I

BRNIBLU/YEL

G312

PASSENGER'S



BRN
DOOR
JAMB
SWITCH
(EX
CONVERTIBLE)
.203
BRN
O
=-N_
G312
(CONVERTIBLE)

INSTRUMENT
CLUSTER
SYSTEM

BLKIGRYBLU/GRN
BLU/YEL
WHT/YE
L

INTERIORLIGHTS
SYSTEM

DRIVER'S



j

OR'

/~



POWER



POWER
BLU



O



WINDOWo



WINDOW
SWITCH



SWITCH
CHILD



uwZ



u



4



a
PROTECT
ION



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U



w
CONTROL



PASSENGER'S

~(4DOOR)



-~--

12
1314

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

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