1998 BMW Z3M ROADSTER Electrical Troubleshooting Manual






GROUND X6454
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GROUND DISTRIBUTION
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X850034 6
1.5 BR
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
X6462
X6492
6 BR
X6002
19
X6454
B6209
HALL EFFECT CAM-
SHAFT SENSOR
A6000
ENGINE CONTROL
MODULE (DME)
X60003428
2.5 BR
6
2.5 BR55
2.5 BR
X6463
4 BRD100
DATA LINK
CONNECTOR
B6217
HOT FILM AIR
MASS METER
1.5 BR
1.5 BR 1.5 BRX6217
1
X6209
3
.5 BR
1.5 BR
K6326
UNLOADER RELAY,
TERMINAL 15
.5 BRX6326
4
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1 BRX8500
28
3
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X6203
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X6460
1X6091
X609130
.5 BR
4–CYLINDER
.5 BR
K6304
SECONDARY AIR
PUMP RELAY
X6304
5
.35 BR






W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
1.5 BR
GROUND DISTRIBUTION
GROUND X6454
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.5 BR
X6459
X6454
1.5 BR/OR
4 BR 4 BR/OR19
X6002D100
DATA LINK
CONNECTOR A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1.5 BR 1.5 BR/OR
X6458
2.5 BR 1.5 BR 1.5 BR/OR
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
B6207
HOT FILM AIR
MASS METER
X6492
.5 BR/OR
X60004343228X62071
A6000
ENGINE CONTROL
MODULE (DME)K6326
UNLOADER RELAY,
TERMINAL 15
X6326
4
.5 BR34 28 X8500
6–CYLINDER
Z3 ROADSTER
M6506
E–BOX FAN
X6506
1
.5 BR
M ROADSTER






GROUND DISTRIBUTION
GROUND X6456
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1 BRT6151
CYL. 1 IGNITION
COIL
X6900
X61512
T6153
CYL. 3 IGNITION
COIL
X6153
2
1 BR
T6152
CYL. 2 IGNITION
COIL
X6152
2
1 BR
T6154
CYL. 4 IGNITION
COIL
X6154
2
1 BR
1.5 BR
X61503
X6456
1.5 BR
4–CYLINDER






T6154
CYL. 4 IGNITION
COIL
X61522
GROUND DISTRIBUTION
GROUNDS X6455 AND X6456
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X61532
1 BR T6152
CYL. 2 IGNITION
COIL
T6151
CYL. 1 IGNITION
COIL
X61562T6156
CYL. 6 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
2T6155
CYL. 5 IGNITION
COIL
X6155
X6456
X61542
X6900
1 BR
1.5 BR X6151
2
1 BR 1 BR 1 BR 1 BR
X6000
A6000
ENGINE CONTROL
MODULE (DME)
56
240
R8554
RESISTOR
1.5 BR 2W.5 BR
6–CYLINDER
Y6133
AIR PUMP
X61331
4 BR
X6455
K6304
SECONDARY AIR
PUMP RELAY
X63045
4 BR .35 BR
X6460
X61502
.5 BR

1.5 BRS221
EVAPORATOR
CONTROLLER
.75 BR






GROUND DISTRIBUTION
GROUND X9633
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X1115
X6234Y5
DRIVER’S SIDE
MIRROR
X6252S17
MIRROR CONTROL
SWITCH
K16
HAZARD FLASHER
RELAY
.5 BR
X648
X2951S5
WIPER/WASHER
SWITCH
.75 BR
X849
X2571
.75 BR
2.5 BR
X1616
X3331M3
WIPER MOTOR
X10141E28
FRONT CIGAR
LIGHTER
2.5 BR
X1005431
2.5 BR
2.5 BR.5 BR/WS
2.5 BR
.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
1 BR .75 BR .75 BR
6 BR
.5 BR
X7493M21
DRIVER’S WINDOW
MOTOR
A51
WIPER/WASHER
MODULE
X2857
.75 BR
X183491S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
1.5 GN/BRM ROADSTER

21
.5 BR
.5 BR .5 BR
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H1w
ANTI–THEFT HORN
(ALPINE)
3
X3721
X63
4
1.5 BR X10008
1 BR
A2w
INSTRUMENT
CLUSTER
X17
.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 BR1.5 BR X1107
.5 BR
X705M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
K9
UNLOADER RELAY,
TERMINAL 15
.75 BR
1.5 BR
6 BR
Z3 ROADSTER 6–CYLINDER
M ROADSTER WITH ABS
X189941
S235
STARTER
IMMOBILIZATION
SWITCH
.35 BRM ROADSTER AND
4–CYLINDER
NOT USED
WITH EGS
.5 BRX504K33a
AIR CONDITIONING
RELAY, MOTRONIC
M ROADSTER
K46z
DAY LIGHT RELAY
MODULECDN

.5 BR/OR
.5 BR/OR






GROUND DISTRIBUTION
GROUND X10010
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.75 BR/ORX65
8N17
CRASH CONTROL
MODULE
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) A64
WIPER/WASHER
MODULE (LOW II)
24
X28515
X13011
.5 BR/OR .75 BR/OR
A2w
INSTRUMENT
CLUSTER
.5 BR/OR
.5 BR/OR
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
X2217
X16
1.5 BR/OR
.5 BR/OR
S58
DRIVER’S SEAT
BELT SWITCH
1
X7781
1 BR/ORX64591
.5 BR/OR
B78
DRIVER’S SIDE
IMPACT SENSOR
.5 BR/OR
X7702B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
.5 BR/OR
B79
PASSENGER’S
SIDE IMPACT
SENSOR
X18861
X1885
S59
PASSENGER’S
SEAT BELT SWITCH
X185181
X102603
X130253
A835
TRANSMITTER
MODULE (EWS II)
X101825A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV).75 BR/OR
LATE PRODUCTION
A113
SEAT
OCCUPANCY
DETECTOR
X102182
.5 BR/OR
X102456A35y
BOARD
COMPUTER
(BC – LOW).5 BR/OR
Z3 ROADSTER

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X10010
2.5 BR/ORX10009
X97701
.75 BR X13921
N5
ANALOG CLOCK
X90031
X100592
B59
OIL TEMPERATURE
GAUGE
.5 BR
1X1155
.5 BR .5 BR .5 BR .5 BRX9002
1
X192453
X90011
.5 BR 4.5 BR
.75 BR
NOT USED
1.5 BR/OR1 BR/OR
M ROADSTER