1999 BMW Z3M COUPE Electrical Troubleshooting Manual

.5 BR.5 BR
.5 BR










H1w
ANTI–THEFT HORN
(ALPINE)
3
X3721
X63
4
1.5 BR X10008
1 BR
A2w
INSTRUMENT
CLUSTER
X17
21
.5 BR
X3312S2
IGNITION SWITCH
.5 BR
.5 BR X85
3Y4z
WATER VALVE
K48
LOW BEAM LIGHT
RELAY
2
X454
6 BR
X9633
X10024
.5 BR .5 BR
B18
BRAKE FLUID
LEVEL SWITCH
.5 BR
X584K4
BLOWER RELAY
.5 BR
X11353
2.5 BRX10048
K46
HIGH BEAM LIGHT
RELAY
X102624
X111
1 BR
1.5 BRX1107
X705M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
K9
UNLOADER RELAY,
TERMINAL 15
.75 BR
1.5 BR6 BRX189941
S235
STARTER
IMMOBILIZATION
SWITCH
.35 BR ROADSTER
4
K33a
AIR CONDITIONING
RELAY, MOTRONIC
.5 BRX50
K46z
DAY LIGHT RELAY
MODULECDN



GROUND DISTRIBUTION
GROUND X10010










X10010
Z3 VERSIONS
X102456A35y
BOARD
COMPUTER
(BC – LOW)
.5 BR/OR
X1624A2w
INSTRUMENT
CLUSTER
X13011
X10009
X130253
X102182A113
SEAT OCCUPANCY
DETECTORN12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
X101825A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)X18851B78
DRIVER’S SIDE IM-
PACT SENSOR
.75 BR/OR .5 BR/OR
X190071A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
X7781S58
DRIVER’S
SEAT BELT
SWITCH
X18861B79
PASSENGER’S
SIDE IMPACT
SENSOR
.5 BR/OR
.5 BR/OR .5 BR/OR .5 BR/OR
1 BR/OR .5 BR/OR
X1212S32
CLUTCH SWITCH
.5 BR/OR
X658N17
CRASH
CONTROL
MODULE
X64591
X7702B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
.5 BR/OR
X195275 D110
OBD II
CONNECTOR
.5 BR/OR .5 BR/OR
1 BR/OR .5 BR/OR
.75 BR/OR
1.5 BR/OR
X185181
S59
PASSENGER’S
SEAT BELT
SWITCH

X1155
X21114


GROUND DISTRIBUTION
GROUND X10010











.75 BR/
OR X65
8N17
CRASH CONTROL
MODULE
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
24
X10010
X13011
.75 BR/
OR.75 BR/
OR
A2w
INSTRUMENT
CLUSTER
.5 BR/
OR
.5 BR/
OR
2.5 BR/OR
X10009
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
X2217
X16
1.5 BR/OR
.5 BR/ORS58
DRIVER’S SEAT
BELT SWITCH
X7781
1 BR/ORX64591
.5 BR/OR.5 BR/OR
A113
SEAT
OCCUPANCY DE-
TECTOR
X102182
S59
PASSENGER’S
SEAT BELT SWITCH
X185181
X130253
X101825A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
.75 BRX704
N5
ANALOG CLOCK
X211131
X100592
B59
OIL TEMPERATURE
GAUGE
.5 BR
1
.5 BR .5 BR .5 BR .5 BR1
X192453
.5 BR
.75 BR
.5 BR/OR
B79
PASSENGER’S
SIDE IMPACT
SENSOR
X18861
X18851
B78
DRIVER’S SIDE
IMPACT SENSOR
.5 BR/OR
M VERSIONS
X21111X211121
B211
VOLTMETER
2



GROUND DISTRIBUTION
GROUND X13004










.5 BRX624
4Y6
PASSENGER’S
SIDE MIRROR
X2857A51
WIPER/WASHER
MODULE
X7443M23
PASSENGER’S
WINDOW MOTOR
.5 BR 2.5 BR
1.5 BR.75 RT/WSX357
1E800
FRONT LEFT
INTERIOR LIGHT
X1620
S13
PASSENGER’S
DOOR JAMB
SWITCH
1.5 BR
1
.5 BRX351
X13134
4 BR
X2561
.5 BR
X942
X3362
.5 BR
X10126
.5 BR
X13004
4 BR
X2791
2 BR
X99952K911
PASSENGER’S
SEAT LENGTH AD-
JUST CUT–OFF
RELAY
X9997
K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY
7 X9995
1.5 BR
X99942S911
PASSENGER’S
SEAT LIMIT
SWITCH
.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
2 BR
X11357
1.5 BR
ROADSTER
2.5 BR
M VERSIONS
X93362E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY
.5 BR
COUPE

1
.75 RT/
WS


GROUND DISTRIBUTION
GROUND X13004










1.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
2 BR
X13004
4 BR
X2791
2 BR
X99952K911
PASSENGER’S
SEAT LENGTH AD-
JUST CUT–OFF
RELAY
X9997
K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY
7X9995
1.5 BR
X99942S911
PASSENGER’S
SEAT LIMIT
SWITCH
.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
2 BR
X11357
1.5 BR
WITH SPORT SEAT WITHOUT SPORT SEAT
2.5 BR
S221
EVAPORATOR
CONTROLLER
X1005431
2.5 BR .5 BR/WS
.5 BRX1517
2M111
FRESH AIR
RECIRCULATION
MOTOR
B14
EVAPORATOR
TEMPERATURE
SENSOR
X7711
X132871M30
BLOWER MOTOR
X183502
X818
1 BR
X189842E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
X183496
X189832E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
X814
2.5 BR.5 BR/WS
.5 BR/
WS.5 BR/
WS .5 BR
Y6
PASSENGER’S
SIDE MIRROR
.5 BR
X6244
X942
M23
PASSENGER’S
WINDOW MOTOR
X7443
.5 BR
.5 BR
X2561
X390
H8
RIGHT FRONT
AUXILIARY TURN
LIGHT
.5 BR
E800
FRONT LEFT
INTERIOR
LIGHT
X336
X3571
X190181
1.5 BR
X1620
S13
PASSENGER’S
DOOR JAMB
SWITCH
X3511
.5 BR .5 BR
2.5 BR 2.5 BR
Z3 VERSIONS
S38y
TILT SUNROOF
SWITCH
X6435
1.5 RT
COUPE
E34
FRONT DOME
LIGHT/MAP
READING
ASSEMBLY
X93362
ROADSTER COUPE
.5 BR2



GROUND DISTRIBUTION
GROUND X13006











1.5 BR
H5
RIGHT REAR TURN
LIGHTH28
RIGHT BACK UP
LIGHTH30
RIGHT TAIL LIGHTH31
RIGHT BRAKE
LIGHTH39
RIGHT TAIL LIGHT
5 X318E17
RIGHT REAR LIGHT
ASSEMBLY
1.5 BR
0670.4-17 H6
LEFT REAR TURN
LIGHTH24
LEFT BRAKE LIGHTH25
LEFT TAIL LIGHTH27
LEFT BACK UP
LIGHTH37
LEFT TAIL LIGHT
1 X319
E16
LEFT REAR LIGHT
ASSEMBLY
0670.4-18
0670.4-17
0670.4-18




GROUND DISTRIBUTION
GROUND X13006

B17
RIGHT REAR
BRAKE PAD
SENSOR








E99
HARD TOP
CONNECTOR 11.5 BR
X3801 X1102
X1625
X1624
X13007
2.5 BR 1.5 BR
4 BR .5 BR
X7131
X13006
0670.4-16
X711
2S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH
X4131
H34
HIGH LEVEL STOP
LIGHT
.5 BR1.5 BR
E9
REAR DEFOGGER I
X13017
2
X12661
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X11209
2
2.5 SW
X9824
2.5 BR
2.5 BR
X11209
2
WITHOUT HARD
TOP PROVISIONS WITH HARD TOP
PROVISIONS
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X10299
2
.75 BR
2.5 BR
.5 BRX352
1S14
DRIVER’S DOOR
JAMB SWITCH
.5 BR
X2751
X99917K920
DRIVER’S SEAT
TILT ADJUST CUT–
OFF RELAY
X9993
K921
DRIVER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY
2X9991
1.5 BR
X99902S910
DRIVER’S SEAT
LIMIT SWITCH
.5 BR
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
2 BR
2.5 BR 1.5 BR
1.5 BR
2.5 BR
2.5 BR
M VERSIONS
2.5 BR
E9
REAR DEFOGGER I
1 X380
2.5 BR
X7123E32
LUGGAGE
COMPARTMENT
LIGHT
.75 BRCOUPE COUPE
X130571A36
REAR WIPER/
WASHER INTERVAL
CONTROL MODULE
2.5 BRCOUPE
X7101
E44
RIGHT LICENSE
PLATE LIGHT
.75 BR
X7091
E43
LEFT LICENSE
PLATE LIGHT
.75 BR
X114032
X114022
X90232
X91625
.75 BR .75 BR .75
BRROADSTER COUPE
X102851M17
LUGGAGE
COMPARTMENT
LOCK MOTOR
1.5 BRCOUPE
X112771COUPE
.75 BR




GROUND DISTRIBUTION
GROUND X13006









E99
HARD TOP
CONNECTOR 1
X7101
E44
RIGHT LICENSE
PLATE LIGHT
X380
1
X1102
X13007
.75 BR
2.5 BR
4 BR
X13006
X7091
E43
LEFT LICENSE
PLATE LIGHT
.75 BR
X4131
H34
HIGH LEVEL STOP
LIGHT
.5 BR
E9
REAR DEFOGGER I
X13017
2
X12661
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X11209
2
2.5 SW
X9824
2.5 BR
2.5 BR
X11209
2
WITHOUT HARD
TOP PROVISIONS WITH HARD TOP
PROVISIONS
S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X10299
2
.75 BR
2.5 BR
.5 BRX352
1S14
DRIVER’S DOOR
JAMB SWITCH
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
X2751
2 BR
X99917K920
DRIVER’S SEAT
TILT ADJUST CUT–
OFF RELAY
X9993
K921
DRIVER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY
2X9991
1.5 BR
X99902S910
DRIVER’S SEAT
LIMIT SWITCH
.5 BR
S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
2 BR
WITH SPORT SEAT WITHOUT SPORT
SEAT
2.5 BR 1.5 BR
2 BR
1.5 BR
2.5 BR
0670.4-16
Z3 VERSIONS
X112771COUPE
X7131
.5 BR
X7112S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH B17
RIGHT REAR
BRAKE PAD
SENSOR
.5 BR
E32
REAR CENTER
INTERIOR LIGHT
3X712
.5 BRCOUPE
X130571A36
REAR WIPER/
WASHER INTERVAL
CONTROL
MODULE
2.5 BRCOUPE
X3801E9
REAR DEFOGGER I
2.5 BR COUPE
1.5 BR
1.5 BR