1999 BMW Z3M COUPE Electrical Troubleshooting Manual



FUSES 43, 44, AND 45










FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
26
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) .75 VI/WS
X1235
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) 4 X10182
.75 VI/WS
30 X10018
5 X10263A110
DIGITAL CLOCK 1.5 VI/WS
N9
RADIO 5 X18126
6510.1 .75 VI/WS
28
A51
WIPER/WASHER
MODULE 8 X285
1.5 VI/SW
X10022
M4
WASHER PUMP 1 X107
.75 VI/SW
5 X4002 X322
1.5 VI/SW
1.5 VI/WS
X1066
S235
STARTER
IMMOBILIZATION
SWITCH 3 X18994
.5 VI/WS .35 VI/WS
5126.06575.2TELEPHONE
CONNECTOR
6561.0
6160.16160.1
6213.31240.0 .5 VI/SW
F435AF4415AF457.5A
2 X13025
9 X1805A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
.5 VI/WS
6135.1
6100.0
6330.36167.16135.1 NOT USED
WITH EGS
K2
HORN RELAY 8 X56
6133.0
S5
WIPER/WASHER
SWITCH
6160.1
8 X295
A36
REAR WIPER/
WASHER INTERVAL
CONTROL MODULE 2 X13268
6160.1
.5 VI/WS .5 VI/SW .5 VI/SW .5 VI/SW
Z3 VERSIONS
COUPECOUPE
1240.0Z3 VERSIONS

X1182


S28
CRUISE CONTROL
SWITCH
6571.0 .5 VI/GE
X721X1716
A2w
INSTRUMENT
CLUSTER
6211.0 .5 VI/GE
FUSE 46










FUSE DETAILS
P90
FRONT POWER
DISTRIBUTION BOX
X2226
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
6571.0 1.5 VI/GE
S30
BRAKE LIGHT
SWITCH
6325.0 1.5 VI/GE.5 VI/GEX781
X1001832
6571.0.5 VI/GE
3450.1
F4615A
2460.2
X100593
B59
OIL TEMPERATURE
GAUGE
6211.0X1024510
A35y
BOARD
COMPUTER
(BC – LOW)
6581.3
1210.25 5430.2Z3 VERSIONS M VERSIONS M VERSIONS M VERSIONS
.5 VI/GE
X192455



2
FUSES 48 AND 49







FUSE DETAILS
P97
AUXILIARY FUSE
BOX
K94
ENGINE CONTROL
RELAY (ABS/ASC) X19023
8 X18766
4 RT/WS




3450.1
F4950A
2
K22
HIGH SPEED
RELAY 6 X53
4 RT/GN
6450.6
F4840A
6 X52
X18061
P95
AUXILIARY FUSE
BOX
X1588
4 RT/GN
6450.6K21
NORMAL SPEED
RELAY 4 RT/GN
M VERSIONS

.5 RT/
WS/GE


FUSE 202






FUSE DETAILS



P98
FUSE HOLDER IN
E–BOX
X9664
4 X8680
8
A6000
ENGINE CONTROL
MODULE (DME)
1210.25F202
30A
X61201
Y6120
EVAPORATIVE
EMISSION VALVE
4 RT/WS/GE
1 RT/
WS/GE
X61302
Y6130
IDLE SPEED
CONTROL VALVE
X61672
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEMX600019
X6960
.5 RT/
WS/GE
1210.251 RT/
WS/GE
1210.25
X61632
Y6163
SECONDARY AIR
PUMP VALVE
1210.25
2 X60532.5 RT/WS/GE
2.5 RT/WS/GE
1210.25
X62751
Y6275z
VARIABLE CAM-
SHAFT CONTROL
VALVE 1 (INLET)
X62761
Y6276
VARIABLE CAM-
SHAFT CONTROL
VALVE 2 (OUTLET)
1210.25.5 RT/
WS/GE
1210.25 1.5 RT/
WS/GE.5 RT/
WS/GE.5 RT/WS/GE
.5 RT/
WS/GE
X61011
Y6101
CYL. 1 FUEL
INJECTION VALVE
1210.25
X61021
Y6102
CYL. 2 FUEL
INJECTION VALVE
X61031
Y6103
CYL. 3 FUEL
INJECTION VALVE
1210.25.5 RT/
WS/GE
1210.25 .5 RT/WS/GE .5 RT/
WS/GE
X61041
Y6104
CYL. 4 FUEL
INJECTION VALVE
1210.25
X61051
Y6105
CYL. 5 FUEL
INJECTION VALVE
X61061
Y6106
CYL. 6 FUEL
INJECTION VALVE
1210.25.5 RT/
WS/GE
1210.25 .5 RT/WS/GE
X6963
1.5 RT/WS/GE

B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING


FUSES 203, 204, AND 205






FUSE DETAILS



P98
FUSE HOLDER IN
E–BOX
6
F20320A
4 RT/WS
.5 RT/WS
X6961
.5 RT/WS.5 RT/WS
X62033
B6203
CRANKSHAFT
POSITION/RPM
SENSOR
1210.25.5 RT/WS
3 X6053
2.5 RT/WS
2.5 RT/WS
X62073
B6207
HOT FILM AIR
MASS METER
1210.25
X62141
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET)
1210.25
X62241
B6224
CAMSHAFT
POSITION SENSOR
2 (OUTLET)
1210.25
X62791
1210.25
X6965
8F204
30A
10 X8680
F20530A
.5 RT/WS.5 RT/WS .5 RT/WS
X621011
B62101
OXYGEN SENSOR I
(IN FRONT OF
CATALYTIC
CONVERTER)
1210.25
X621021
B62102
OXYGEN SENSOR I
(BEHIND
CATALYTIC
CONVERTER)
1210.25
X622011
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER)
1210.25
X6962
X100165
P90
FRONT POWER
DISTRIBUTION BOX
1.5 RT/WS
F13
7.5A
6 X10016
1.5 RT/WS
X60212
FUSE DETAILS
0670.3 1.5 RT/WS
.75 RT/WS
.5 RT/WS
X61391
Y6139
LEAKAGE DIAGNO-
SIS PUMP
1210.25 .5 RT/WS2.5 RT
.5 RT/WS
X622021
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER)
1210.25
.5 RT/WS
X63048
K6304
SECONDARY AIR
PUMP RELAY
1210.25.5 RT/WS
X65501
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
1210.25
X63266
K6326
UNLOADER RELAY,
TERMINAL 15
1210.25
1.5 RT/WS
X850054
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
2460.2
15




0670.4 GROUND DISTRIBUTION
GROUNDS X4 AND X165



X1371 E52
RIGHT WASHER
JET HEATER
E51
LEFT WASHER JET
HEATER
.75 BR .75 BR








.75 BR
X1051
.5 BR
H4
RIGHT FRONT
TURN LIGHT
.5 BR
X7672E22
RIGHT FRONT
MARKER LIGHT
1 BR
X100882
X1331H3
RIGHT HORN
X1272
B9508
PRESSURE
SWITCH
.5 BR
X1231
X1351
E14
RIGHT LOW BEAM
LIGHT
X1091
X216
X1611
X576
X1610
X11337
2.5 BR 1.5 BR
4 BR 1.5 BR
1.5 BR
4 BR
6 BR .75 BR
X1061
.75 BR
X165
X872S36
TEMPERATURE
SWITCH
X1341
E12
RIGHT HIGH BEAM
LIGHT
1.5 BR
2.5 SW/BR
X28515A51
WIPER/WASHER
MODULE
M7
HEADLIGHT/FOG
LIGHT WASHER
PUMPX1232
2.5 SW
WITH HEADLIGHT
WASHER WITHOUT HEAD-
LIGHT WASHER
E19
RIGHT PARK LIGHTH4
RIGHT FRONT
TURN LIGHT
E8
RIGHT HEADLIGHT
M VERSIONS
6 BR
X4
X9170
Y1w
ABS HYDRAULIC
UNIT




GROUND DISTRIBUTION
GROUND X165


X7672
E51
LEFT WASHER JET
HEATER
.75 BR
.5 BR








X1051
E22
RIGHT FRONT
MARKER LIGHT
X1331H3
RIGHT HORN
X1610
1 BR
X165
X1371
.75 BR
H4
RIGHT FRONT
TURN LIGHT
E19
RIGHT PARK LIGHTH4
RIGHT FRONT
TURN LIGHT
E8
RIGHT HEADLIGHT
Z3 VERSIONS
X1091
E52
RIGHT WASHER
JET HEATER
.75 BR
X1061
X100882
X872S36
TEMPERATURE
SWITCH
.5 BR
B9508
PRESSURE
SWITCH
.5 BR
X1272
.75 BR
.75 BR
1 BR
X7691
E27
RIGHT FOG LIGHT
.75 BR
X216
X1341
E12
RIGHT HIGH BEAM
LIGHT
1.5 BR
X1351
E14
RIGHT LOW BEAM
LIGHT
1.5 BR
X11337
X1231
2.5 BR
X28515A51
WIPER/WASHER
MODULE
2.5 SW/BR
X1232
2.5 SW/BR
WITHOUT
HEADLIGHT
WASHER
M7
HEADLIGHT/FOG
LIGHT WASHER
PUMP
WITH HEAD-
LIGHT WASHER
4 BR 2.5 BR




GROUND DISTRIBUTION
GROUND X166


X7662
S21w
ENGINE HOOD
SWITCH
.5 BR .5 BR








X3711X190221
2.5 BR
M9
AUXILIARY FAN
MOTOR
E21
LEFT FRONT
MARKER LIGHT
1 BR
X1321H2
LEFT HORN
X1311
E11
LEFT HIGH BEAM
LIGHT
X1301
E13
LEFT LOW BEAM
LIGHT
X1614X698
X699
X697
X11339
1.5 BR 1.5 BR
4 BR 1.5 BR1.5 BR
4 BR
6 BR
X166
X1281
.75 BR
X3891
H9
LEFT FRONT
AUXILIARY TURN
LIGHT
.5 BR
H4
RIGHT FRONT
TURN LIGHT
E15
LEFT PARK LIGHTH7
LEFT FRONT TURN
LIGHT
E7
LEFT HEADLIGHT
M VERSIONS
K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)
X13764
.5 BR
COUPE