Page 64 of 367
GROUND DISTRIBUTION
GROUNDS X494, X861, X1116, AND X1441
X3244S127y
PASSENGER’S
POWER WINDOW
SWITCH
X316
4S16y
DRIVER’S POWER
WINDOW SWITCH
.5 BR
X494
.5 BR
X746A12
SUPPLEMENTAL RESTRAINT
SYSTEM CONTROL MODULE
X1441
.5 BR/SW
X10237
X18851B78
DRIVER’S SIDE
IMPACT SENSOR
.5 BR/SW
X18861B79
PASSENGER’S
SIDE IMPACT
SENSOR
.5 BR/SW
1 BR/SW
X183635K18363
CONVERTIBLE TOP
RELAY I (CLOSE) X18364
5K18364
CONVERTIBLE
TOP RELAY II
(OPEN)
2.5 BR
X1116
2.5 BR
X61331Y6133
AIR PUMP
4 BR
X861
M VERSIONS
Page 71 of 367
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
GROUND DISTRIBUTION
GROUND X10010
X10010
X102456A35y
BOARD
COMPUTER
(BC – LOW)
.5 BR/OR
X1624A2w
INSTRUMENT
CLUSTER
X13011
X10009
X2798
X102182A113
SEAT OCCUPANCY
DETECTORS59
PASSENGER’S
SEAT BELT
SWITCH
X101825A104
BODY ELECTRONICS
CONTROL MODULE
(ZKE IV)
.75 BR/
OR.5 BR/OR
X190071A19007
THERMAL OIL LEVEL
SENSOR (TOENS)
CONTROL MODULE
.5 BR/OR
1 BR/OR .5 BR/OR
X111431S32
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 .75 BR/OR .5 BR/OR
1.5 BR/OR
X130253
X27919
.5 BR/SW
X2758
S58
DRIVER’S SEAT
BELT SWITCH
.5 BR/OR
X1211S32
CLUTCH
SWITCH M VERSIONS
.35 BR/ORZ3 VERSIONS
X135789A3984
OIL–/OUTSIDE
TEMPERATURE GAUGE
CONTROL MODULE
.5 BR/
OR M VERSIONS
X1313910A194y
REMOTE
CONTROL
MODULE
Z3 VERSIONS
LATE PRODUCTION
.5 BR/OR
Z3 VERSIONS Z3 VERSIONS
X1313910A22z
ELECTRO-
CHROMIC REAR
VIEW MIRROR
.5 BR/ORM VERSIONS
Page 72 of 367

.75 RT/
WS
GROUND DISTRIBUTION
GROUND X13004
1.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL
SWITCH
2 BR
X130044 BR
X27914
2 BR
X99952K911
PASSENGER’S SEAT
LENGTH ADJUST
CUT–OFF RELAY
X9997
K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY
7X9995
1.5 BR
S911
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 CONDITIONING/
RECIRCULATING
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
X3901
H8
RIGHT FRONT
AUXILIARY TURN
LIGHT
.5 BR
E800
FRONT LEFT
INTERIOR
LIGHT
X3362
.5 BR
X3571
X190181
1.5 BR
X1620
S13
PASSENGER’S
DOOR JAMB
SWITCH
X3511
.5 BR .5 BR
2.5 BR 2.5 BR
S38y
TILT SUNROOF
SWITCH
X6435
1.5 RT
COUPE
X99942
E34
FRONT DOME
LIGHT/MAP
READING
ASSEMBLY
X93362
ROADSTER COUPE
Z3 VERSIONSZ3 VERSIONS
Page 74 of 367

M
COUPE
.75 BR
GROUND DISTRIBUTION
GROUND X13006
E99
HARD TOP
CONNECTOR 1
X3801
X1102
X13007
.5 BR
2.5 BR
4 BR
X13006.5 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
X27514
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
0670.4-13
.5 BR.75 BR
X130571A36
REAR WIPER/
WASHER INTERVAL
CONTROL MODULE
2.5 BRCOUPE
X3801E9
REAR DEFOGGER I
2.5 BR COUPE
1.5 BR
1.5 BRX102851M17
LUGGAGE
COMPARTMENT
LOCK MOTOR
1.5 BRM COUPE
X7131
B17
RIGHT REAR
BRAKE PAD
SENSOR
X7112S826
LUGGAGE
COMPARTMENT
LIGHT SWITCH
E32
LUGGAGE
COMPARTMENT
LIGHT
3 X712
COUPE
.75 BR
X90232X114022
X114032X91625
X7101
E44
RIGHT LICENSE
PLATE LIGHT
.75 BR
X7091
E43
LEFT LICENSE
PLATE LIGHT
.75 BR
M ROADSTER M COUPE Z3 VERSIONS
NOT
M COUPE.75 BR
Page 78 of 367
CENTRAL BODY
ELECTRONICS
(ZKE IV)
6100.0
BLOCK DIAGRAM
0670.5 DATA LINK
TXD RXD
D100
DATA LINK
CONNECTOR
BOARD
COMPUTER
(BC – LOW)
6581.3
INSTRUMENT
CLUSTER
6211.0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS: A5S 360R)
2460.14
ENGINE CONTROL
SYSTEM MS43
(6–CYLINDER M54)
1210.26
SLIP CONTROL
(ABS/ASC)
3450.1
DRIVE–AWAY PROTEC-
TION (EWS III)
6135.1
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0
DYNAMIC STABILITY
CONTROL (DSC III)
3452.1
ENGINE CONTROL
SYSTEM MSS54
(6–CYLINDER S54 B32)
1210.27DYNAMIC STABILITY
CONTROL (DSC MK 60)
3452.2
STEERING ANGLE
SENSOR
3452.1STEERING ANGLE
SENSOR
3452.2
THERMAL OIL LEVEL
SENSOR (TOENS)
CONTROL MODULE
6211.0REMOTE CONTROL
ZV/DWA
6610.2
Page 79 of 367

X183032
DATA LINK
RXD AND TXD
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
X183
.5 WS/VI
A2w
INSTRUMENT
CLUSTER X16
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV) X10182
X1805
TXD
TXD.5 WS/
VI .5 WS/VI
12
4
11
TXD
R33
STEERING ANGLE
SENSOR X1658TXD .35 WS/VI
6
A35y
BOARD COMPUTER
(BC – LOW) X10245
2
TXD X6002
20
.35 GE
15 X6002
.35 WS/
GE
D100
DATA LINK
CONNECTOR
17D100
DATA LINK
CONNECTOR
.5 WS/VI.35 WS/VI
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1170TXD 7
.35 WS/
VI.5 WS/VI
A6000
ENGINE CONTROL
MODULE (DME) X60004TXD2 32
X600026TXD2
A65
DYNAMIC
STABILITY
CONTROL UNIT
(DSC) X1746TXD .35 WS/
VI
8
A104
BODY ELECTRONICS
CONTROL MODULE
(ZKE IV)
X101829RXD
A35y
BOARD COMPUTER
(BC – LOW)
X102453RXD
.35 WS/
GE
X182
.5 WS/
GE
A7000
TRANSMISSION
CONTROL MODULE
(EGS) X70004TXD2 32
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS)
CONTROL
MODULE X19007TXD 10
.35 WS/
VI
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
.5 WS/VI
X74
9
TXD
WITH DSC
WITH DSC
Z3 VERSIONSZ3 VERSIONS
Z3 VERSIONS
LATE PRODUCTION
A194y
REMOTE
CONTROL
MODULE
X131398RXD
.5 WS/
GE
.5 WS/
VI
X131394
TXDA194y
REMOTE
CONTROL
MODULE Z3 VERSIONS
LATE PRODUCTION
Z3 VERSIONS
LATE PRODUCTION
Page 80 of 367
DATA LINK
DATA LINK CONNECTOR, PINS 1, 7, 14, AND 16
X1047
A6000
ENGINE CONTROL
MODULE (DME) X60004
.5 SW
.5 SW .35 SW
TD 17
5 X1805
.35 SWA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
12 X10017
7
16 X6002
D100
DATA LINK
CONNECTOR
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
15 X17
.35 WS/GN
14 2.5 RT
G1
BATTERY
POWER
DISTRIBUTION
0670.2
X64109
P90
FRONT POWER
DISTRIBUTION BOXF2610A
POWER
DISTRIBUTION
0670.2
1
12 X19007
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE Z3 VERSIONS
Page 83 of 367

23 33
B62400
DOUBLE KNOCK
SENSOR 1210.26-08
3132293048
Y6101
CYL. 1 FUEL
INJECTION
VA LV E
Y6102
CYL. 2 FUEL
INJECTION
VA LV E
Y6103
CYL. 3 FUEL
INJECTION
VA LV E 1210.26-02
35
+
–
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.26-02
361210.26-03413840 3742
+
–
46 47Y6130
IDLE SPEED
CONTROL
VA LV E 1210.26-0334 3352
1210.26-02
32
D
+
– F205
30A
1723 AB
F1815A
M2
FUEL PUMPK6301w
FUEL PUMP RELAY
1210.26-061210.26-06
1210.26-04
F135A
M119
LEAKAGE
DIAGNOSIS
PUMP
301210.26-04310174520
S30
BRAKE LIGHT
SWITCH 1210.26-04
28241918129
43441910
Y6390
ELECTRIC
THROTTLE
ACTUATOR2223
1210.26-07
2425
1210.26-07
2728
1210.26-07
2236
1210.26-09
37
1210.26-08
1210.26-09
1727356
1210.26-08
4565
A6000
ENGINE CONTRO
MODULE (DME)
1210.26-09
436
P98
FUSE HOLDER IN
E–BOX1210.26-00
K6327
INJECTION VALVES
RELAY
A7000
TRANSMISSION
CONTROL MODULE
(EGS)G6400
B+ JUNCTION
POINT E–BOX
K6300
ENGINE CONTROL
MODULE RELAY
1210.26-05
B6207
HOT FILM AIR
MASS METERB6203
CRANKSHAFT
POSITION/RPM
SENSOR
B6214
CAMSHAFT
POSITION SENSOR
1 (INLET)
B6224
CAMSHAFT
POSITION SENSOR
2 (OUTLET)B6279
THERMOSTAT,
CHARACTERISTIC
MAP COOLING
1210.26-051210.26-05P98
FUSE HOLDER IN
E–BOXG7512
B+ JUNCTION
POINT
K19
COMPRESSOR
CONTROL
RELAY 1210.26-08K6304
SECONDARY AIR
PUMP RELAY
Y6133
AIR PUMP
1210.26-07
B6205
INTAKE AIR
TEMPERATURE
SENSORB6236
ENGINE COOLANT
TEMPERATURE
SENSORB6238
OIL TEMPERATURE
SENSOR
A52
SLIP CONTROL MODULE
(ABS/ASC)
A65
DYNAMIC STABILITY
CONTROL UNIT (DSC)S32
CLUTCH SWITCH
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULEA837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)A7000
TRANSMISSION
CONTROL MODULE
(EGS)
A9008
CRUISE CONTROL
INTERFACE A
49
5
2 8
18
15 21
C7 131
16 15 14
24 22 21 20
TXD
720CDBEA
A = 60001
B = 60002C = 60003
D = 60004
E = 60005
B62101
OXYGEN SENSOR I
(IN FRONT OF
CATALYTIC
CONVERTER)
B62201
OXYGEN SENSOR
II (IN FRONT OF
CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND
CATALYTIC
CONVERTER)
B62202
OXYGEN SENSOR
II (BEHIND
CATALYTIC
CONVERTER)
F10880AF10750A
F20130AF20320AF20430A
P90
FRONT POWER
DISTRIBUTION
BOX1210.26-04
Y6167
VALVE, INDIVIDUAL
CONTROL INTAKE
SYSTEM
Y6163
SECONDARY AIR
PUMP VALVE
Y6120
EVAPORATIVE
EMISSION VALVE
Y6276
VARIABLE CAMSHAFT
CONTROL VALVE 2
(OUTLET)
Y6275z
VARIABLE CAMSHAFT
CONTROL VALVE 1
(INLET)
1210.26-09 1210.26-02
1210.26-001210.26-00
D100
DATA LINK
CONNECTOR
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL 1210.26-01
1210.26-01
718 9E2
3C8A
F20230A
D
F2610A
26
D
F4615A
C781412
R10
PEDAL POSITION
SENSOR
1210.26-09 13
9D
1210.26-06
B
30 15 R 15
Z3 VERSIONS
1210.26 ENGINE CONTROL SYSTEM MS43 (6–CYLINDER M54)