window BMW Z3M ROADSTER 1999 E36 Electrical Troubleshooting Manual





Pin Assignments





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
10
Not used
11Not used
12Not used
13ECentral arrest signalDoor lock switches
14ELock signal driver’s doorDoor lock motor driver’s door
15ELock signal passenger’s doorDoor lock motor passenger’s door
16ELock signal luggage compartment lidLuggage compartment lock motor
(Z3 Versions and M Roadster)
17EData signalAnti-theft system control module (Alpine)
18Not used
19Not used
20Not used
21Not used
22Not used
23APlus supply (revolution)Power window’s motor driver’s side
24AVoltage supply (revolution)Power window’s motor passenger’s side
25Not used
26Not used
X13254
Pin Type Description/Function Connection
1
Not used
2EDoor signalDoor jamb switch driver’s door
3EDoor signalDoor jamb switch passenger’s door
4Not used
5Not used
6EOPEN signalPower window switch driver’s door
7ECLOSE signalPower window switch driver’s door
8EOPEN signalPower window switch passenger’s door
9ECLOSE signalPower window switch passenger’s door
10Not used














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

X5214
X5212
2M COUPE














4 X516
2 X16
A2w
INSTRUMENT
CLUSTER
S18
HAZARD SWITCH
1) OFF
2) ON .5 GR/RT .5 GR/RT13 X18126N9
RADIO .5 GR/RT
X5163
GROUND
DISTRIBUTION
0670.4
X1439
E96
GEAR SHIFT LE-
VER INDICATOR .5 GR/RT
2
LIGHT SWITCH DETAILS
X898
S76
REAR WINDOW
DEFOGGER
SWITCH .5 GR/RT
7
E25
FRONT ASHTRAY
LIGHT 2 X1213
1 X1213
GROUND
DISTRIBUTION
0670.4
5 X322
.5 GR/RT
5
TURN/HAZARD
LIGHTS
6313.0.5 BL/GN
.5 GR/RT
21
E29
FRONT CIGAR
LIGHTER LIGHT 1 X532
2 X532
6300.0-00
X878
.5 GR/RT 1.5 GR/RT
X18170
GROUND
DISTRIBUTION
0670.4
1X13045
X130454
S143
CONVERTIBLE TOP
ACTUATING
SWITCH
.5 GR/RT
.5 BR
1 X1439
GROUND
DISTRIBUTION
0670.4
X2227
S6
ASC SWITCH 3
2 X2227
.5 GR/RT
GROUND
DISTRIBUTION
0670.4
M VERSIONS
Z3 VERSIONS



LIGHT SWITCH DETAILS









E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT .5 GR/RT
1 X1193
2 X1193


4 X651
1
X651
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
.5 GR/RT 6300.0-00
X806
1.5 GR/RT
A35y
BOARD
COMPUTER (BC –
LOW)
11 X10245
.5 GR/RT
A110
DIGITAL CLOCK
2 X10263
.5 GR/RT
X18170
4 X658
1X658S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
.5 GR/RT
E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2 X18983
1 X18983
E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2
1
X13004
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X985
.5 GR/RT
.5 BR/WS
.5 BR/WSX18984
X18984
8 X10054
.5 GR/RT
S126y
DRIVER’S POWER
WINDOW SWITCH .5 GR/RT
4 X316
3 X316
GROUND
DISTRIBUTION
0670.4
S127y
PASSENGER’S
POWER WINDOW
SWITCH
X324
X324
X494
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
3
4
Z3 VERSIONS



LIGHT SWITCH DETAILS











4 X651
1 X651S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
.5 GR/RT 6300.0-00
X806
1.5 GR/RT
.5 GR/RT
.5 GR/RT
X18170
4 X658
1X658S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
.5 GR/RT
E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2 X18983
1 X18983
E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
.35 GR/RT
2
1
X9633
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
X985
.5 GR/RT
.5 BR/WS
.5 BR/WSX18984
X18984
8 X10054
.5 GR/RT
S126y
DRIVER’S
POWER
WINDOW
SWITCH .5 GR/RT
4 X316
3 X316
GROUND
DISTRIBUTION
0670.4
S127y
PASSENGER’S
POWER WINDOW
SWITCH
X324
X324
X494
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
3
4
6 X19245
.75 GR/RT
B59
OIL TEMPERATURE
GAUGE
X21114
X21114
N5
ANALOG CLOCK
X21113
X21113
X10010
GROUND
DISTRIBUTION
0670.4 .5 GR/RT
2
1 .5 GR/RTX9806
12
M VERSIONS
B211
VOLTMETER
X21112
X211122
1














6424.0 REAR WINDOW DEFOGGER
.5 GR/RT
23
X8981
X898
S76
REAR WINDOW DE-
FOGGER SWITCH
1) OFF
2) ON
F235A
X10017
6
FUSE DETAILS
0670.3LIGHT SWITCH
DETAILS
6300.0
GROUND
DISTRIBUTION
0670.4
X18170
GROUND
DISTRIBUTION
0670.4
X13006
1 2
1 X379E9
REAR DEFOGGER I
M COUPE
4
1 X380
P90
FRONT POWER
DISTRIBUTION BOXF620A
X10015
12
FUSE DETAILS
0670.3
X6324
86X63
K9
UNLOADER RELAY,
TERMINAL 1586
8530
87
.5 BR/WS 2.5 SW













REAR WINDOW DEFOGGER
P90
FRONT POWER
DISTRIBUTION BOX
.5 GR/RT
75
4 X8983
X898
S76
REAR WINDOW DE-
FOGGER SWITCH
1) OFF
2) ON
F235A
X10017
6
FUSE DETAILS
0670.3
LIGHT SWITCH
DETAILS
6300.0
X3801
E99
HARD TOP
CONNECTOR 1
8
1
GROUND
DISTRIBUTION
0670.4
X18170
2.5 SW .5 BR .5 BR
GROUND
DISTRIBUTION
0670.4
X13006
100
1 21 21 2
1 X12661 X1265
2 X130171
E9
REAR DEFOGGER I
2.5 SW 2.5 SW
X379
1 X11209
2.5 SW
ROADSTER AND Z3 COUPE
F620A
X10015
12
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
X9633
X6324
86X63.5 BL/SW
K9
UNLOADER RELAY,
TERMINAL 15
86
8530
87
GROUND
DISTRIBUTION
0670.4
X13006
1 X379E9
REAR DEFOGGER I
1 X380
ROADSTER COUPE
2.5 SW



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
K6394 COMPRESSOR RELAY . . . . . . . . . . . . . . . . . TIRE INFLATION SYSTEM

K18363
CONVERTIBLE TOP RELAY I (CLOSE) . . .
in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25-3

K18364 CONVERTIBLE TOP RELAY II (OPEN) . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3
L1 . . . . EWS TOROIDAL COIL . . . . . . . . . . . . . . . . . at ignition switch
M2 . . . FUEL PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank
M3 . . . WIPER MOTOR . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-3

M4 . . .
WASHER PUMP . . . . . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir



M7 . . . HEADLIGHT/FOG LIGHT WASHER PUMP front RH side of engine compartment on washer fluid reservoir
M9 . . . AUXILIARY FAN MOTOR . . . . . . . . . . . . . . . behind front grille
M12 . . DRIVER’S DOOR LOCK MOTOR . . . . . . . . driver’s door
M13 . . PASSENGER’S DOOR LOCK MOTOR . . . passenger’s door

M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

rear side of luggage compartment behind trim panel (ROADSTER)





M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

in lift gate (Z3 COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37-2



M17 . .

LUGGAGE COMPARTMENT LOCK
MOTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

in lift gate (M COUPE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46-3



M21 . .
DRIVER’S WINDOW MOTOR . . . . . . . . . . .
in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17-2

M23 . . PASSENGER’S WINDOW MOTOR . . . . . . . in passenger’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3
M24y . TILT SUNROOF MOTOR . . . . . . . . . . . . . . . in roof panel


M25 . .

CRUISE CONTROL ACTUATOR
(TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

08-3


M30 . . BLOWER MOTOR . . . . . . . . . . . . . . . . . . . . . rear of engine compartment



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
S18 . . HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . center console bottom

S20w .
RADIO ANTI–THEFT SWITCH . . . . . . . . . .
center console (radio and console removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36-1

S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . . . . near LH headlight assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . . . . LH side of dash RH side of steering column above
S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S31 . . PARK BRAKE SWITCH . . . . . . . . . . . . . . . . . center console on rear of park brake lever

S32 . .
CLUTCH SWITCH . . . . . . . . . . . . . . . . . . . . .
LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20-1

S36 . . TEMPERATURE SWITCH . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
S38y . TILT SUNROOF SWITCH . . . . . . . . . . . . . . . in roof panel
S47 . . DRIVER’S DOOR LOCK SWITCH . . . . . . . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-1
S49 . . PASSENGER’S DOOR LOCK SWITCH . . . in passenger’s door

S51 . .

DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LH front seat





S53 . .

DRIVER’S SEAT, SEAT HEATER SWITCH

center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23-1




S54 . .

PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23-1




S56 . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RH front seat



S58 . . DRIVER’S SEAT BELT SWITCH . . . . . . . . . in LH front seat belt buckle
S59 . . PASSENGER’S SEAT BELT SWITCH . . . . in RH front seat belt buckle
S75 . . BLOWER SWITCH . . . . . . . . . . . . . . . . . . . . . center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-3
S76 . . REAR WINDOW DEFOGGER SWITCH . . . center console



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION


S117 . .

LUGGAGE COMPARTMENT LID LOCKING
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in lift gate




S126y DRIVER’S POWER WINDOW SWITCH . . . center console near gearshift lever

S127y
PASSENGER’S POWER WINDOW
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever




S143 . CONVERTIBLE TOP ACTUATING SWITCH center console

S164 .

CONVERTIBLE TOP END–POSITION MI-
CRO SWITCH . . . . . . . . . . . . . . . . . . . . . . .

at convertible top linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17-3



S198 .

JET HEATER THERMOSWITCH . . . . . . . . .

on front RH wheel well






S220 .

AIR CONDITIONING/RECIRCULATING
SWITCH ASSEMBLY . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
00-3

S221 . EVAPORATOR CONTROLLER . . . . . . . . . . RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2
S232 . COMPRESSOR MAIN SWITCH . . . . . . . . . . TIRE INFLATION SYSTEM
S235 . STARTER IMMOBILIZATION SWITCH . . . . LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
S408 . INTERIOR LIGHT SWITCH . . . . . . . . . . . . . near interior rear view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-2

S531 .

TEMPERATURE WHEEL SWITCH . . . . . . .

center of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21-3




S559 .

PASSENGER’S AIR BAG CUT–OFF
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console






S826 .

LUGGAGE COMPARTMENT LIGHT
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid




S910 . DRIVER’S SEAT LIMIT SWITCH . . . . . . . . . in driver’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-2
S911 . . PASSENGER’S SEAT LIMIT SWITCH . . . . in passenger’s seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-2
S8503 PROGRAM SWITCH . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1

S8507
KICK–DOWN SWITCH . . . . . . . . . . . . . . . . .
behind gas pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19-3