Page 172 of 357
5203.0 HEATED SEATS
GROUND
DISTRIBUTION
0670.4 X9454GROUND
DISTRIBUTION
0670.4
4
P90
FRONT POWER
DISTRIBUTION BOX
LIGHT SWITCH
DETAILS
6300.0
X100158
FUSE DETAILS
0670.3
6
5X651
10 TEST
9
8
7
6154
14
13
12
11
3
2 2 3 1 X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/RT .5 WS/GN
.5 GN/GE
X806
2 4 X733
13 X733
E56
DRIVER’S SEAT-
BACK HEATER E57
DRIVER’S SEAT
HEATER
.5 BR .5 BR
4 6
5X658
2 3 1 X658
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
0) OFF
1) MINIMUM
2) MAXIMUM
.5 WS/GE .5 WS/BL
2 4 X740
1
3 X740
E59
PASSENGER’S
SEATBACK HEATER E58
PASSENGER’S
SEAT HEATER
.5 BR .5 BR.5 GR/RT .5 GR/RT1.5 GR/RT
58g
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
F415A
01
0 2
10 TEST
9
8
7
6154
14
13
12
11
3
2
01
0 2
.5 GN/GE.5 GN/GE .5 GN/GE
Page 173 of 357
5410.5 POWER TILT SUNROOF
X100178
FUSE DETAILS
0670.3
1 X643
F2410A
P90
FRONT POWER
DISTRIBUTION BOX
M24y
TILT SUNROOF
MOTOR
4 X6433
1.5 SW1.5 GN
5
GROUND
DISTRIBUTION
0670.4
210
S38y
TILT SUNROOF
SWITCH
0) OFF
1) RAISE
2) LOWER
210
M VERSIONS
Z3 VERSIONS
Page 174 of 357
5430.2 ELECTRO–HYDRAULIC CONVERTIBLE TOP
X100152
FUSE DETAILS
0670.3
X1001832
FUSE DETAILS
0670.3
S30
BRAKE LIGHT
SWITCH
1) BRAKE PEDAL
RELEASED
2) BRAKE PEDAL
DEPRESSED
1 X78
2.5 RT/GE
F130AF4615A
1.5 BL/RT
1 2
X78
2
X181
4 X13146
4X1836365
2 X183638
.5 BL/RT
X1215
8 X18364
P90
FRONT POWER
DISTRIBUTION BOX
BRAKE LIGHTS
6325.0
.5 BL/RT
.5 BL/RT
K18364
CONVERTIBLE TOP
RELAY II (OPEN) 2
M101
CONVERTIBLE TOP
MOTORX18364
46
K18363
CONVERTIBLE TOP
RELAY I (CLOSE)
5
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4 .5 BR/GE
2 X231461
2.5 RT/GE
2.5 SW/GE .5 BL/RT
2.5 SW/BL.5 BR/RT
Page 177 of 357
Pin Assignments
E = Input, A = Output, M = GroundF = X10182
18 Pins, black
G = X1325215 Pins, black
H = X1325326 Pins, yellow
I = X1325426 Pins, green
X10182
Pin Type Description/Function Connection
1
ECrash signalCrash control module
2ELight signalLight switch
3Not used
4EPower supplyFront power distribution box, fuse 43
5MGroundGround point
6Not used
7Not used
8Not used
9ADiagnosis RxD signalData link connector
10Not used
11E/ADiagnosis TxD signalData link connector
12EStart signalStarter
13Not used
14Not used
15ADrive away protectionElectronic immobilizer control module
(EWS III)
16Not used
17Not used
18EPower supplyFront power distribution box
Page 178 of 357

Pin Assignments
E = Input, A = Output, M = Ground
X13252
Pin Type Description/Function Connection
1
ACentral arrest signalLock motors
2AUnlock signalLock motors
3Not used
4AAutomatic interior light signalInterior light
5Not used
6AVoltage supplyPower window motor driver’s door
7AVoltage supplyPower window motor passenger’s door
8EPower supplyFront power distribution box, fuse 14
9ALock signalLock motors
10EPower supplyFront power distribution box, fuse 35
11AConsumer cut-off signalNot used
12EPower supplyFront power distribution box, fuse 33
13EMotor signalPower window motor driver’s door
14EMotor signalPower window motor passenger’s door
15MGroundGround point
X13253
Pin Type Description/Function Connection
1
EUnlock signalDoor lock motor driver’s door
2EUnlock signalDoor lock motor passenger’s door
3EUnlock signalLuggage compartment lock motor
(Z3 Versions and M Roadster)
4EData signalAnti-theft system control module (Alpine)
5Not used
6Not used
7ECrash signalSupplemental restraint system control
module
8ERevolution signalPower window motor driver’s door
9ERevolution signalPower window motor passenger’s door
Page 182 of 357
CENTRAL BODY ELECTRONICS (ZKE IV)
P90
FRONT POWER
DISTRIBUTION BOX
POWER
DISTRIBUTION
0670.2
18
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
GROUND
DISTRIBUTION
0670.4
26
FUSE DETAILS
0670.3
4
F435A
X10018
X10182
56713X132531478992324X13254
ZKE POWER
WINDOWS (FH)
5133.08
FUSE DETAILS
0670.3
8
F1430A
X10016
POWER
DISTRIBUTION
0670.2
X13252
68
X101824
INTERIOR LIGHTS
6330.3 .75 BR/SW 2.5 VI/WS 1.5 BL/
GN2.5 SW/
WS1.5 GE/
GN.35 VI/WS .35 SW/
WS.35 WS/
GN.35 BL/GN .35 SW/GR .35 GE/
GR.35 SW .35 GE/
SW11
X13252
.75 VI/SW
.5 VI/SW3 X275
3 X279
.5 VI/SW
NOT USED
X10189
4
FUSE DETAILS
0670.3
F210A
X10015
M VERSIONS Z3 VERSIONS
Page 183 of 357
6133.0 HORN
P90
FRONT POWER
DISTRIBUTION BOX
X10015
16
FUSE DETAILS
0670.3
6
2.5 VI
2
2.5 VI
X223
POWER
DISTRIBUTION
0670.2 1.5 VI
8 X56
30
2
1 VI/BL
1 VI/BL
2
H2
LEFT HORN
11 VI/BL
2
1 X10021
H3
RIGHT HORN
86
85
.5 BR/RT
.5 BR/RT
1 X29
4 X56
11 X32
K2
HORN RELAY
S4
HORN SWITCH S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X33
X132
X132
X133
X133
2 X209
87
GROUND
DISTRIBUTION
0670.4
1 X32GROUND
DISTRIBUTION
0670.4 .75 BR
X10013
GROUND
DISTRIBUTION
0670.4
X888
.5 VI
F815A
2
10
3
R
P90
FRONT POWER
DISTRIBUTION BOX
X18018
26
FUSE DETAILS
0670.3
F435A
M VERSIONS Z3 VERSIONS
Page 184 of 357
2
3P90
FRONT POWER
DISTRIBUTION BOX11 2S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START8
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) X1805
10
X2094
8 X33
2.5 SW/GE
X18057
2.5 SW/GE
.5 WS
X331
4 RT
POWER
DISTRIBUTION
0670.2
5030
X2
2.5 GN/SW .5 BL
6135.1 DRIVE–AWAY PROTECTION (EWS III)
X2095
FUSE DETAILS
0670.3POWER
DISTRIBUTION
0670.2
F315A
2
10
3
X10018
X189943 30
X18994
2S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED
F457.5A
2 1
1
X9633
GROUND
DISTRIBUTION
0670.4
POWER
DISTRIBUTION
0670.2
31
L1
EWS TOROIDAL
COIL
X1764
9
M VERSIONS