1999 BMW Z3M COUPE door lock





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





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



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
Y2 . . . . AIR CONDITIONING COMPRESSOR . . . . front RH side of engine compartment

Y4z . . .
WATER VALVE . . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-3

Y5 . . . . DRIVER’S SIDE MIRROR . . . . . . . . . . . . . . . in upper LH front door
Y6 . . . . PASSENGER’S SIDE MIRROR . . . . . . . . . . in upper RH front door
Y19 . . SHIFT–LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-2
Y6101 CYL. 1 FUEL INJECTION VALVE . . . . . . . . on cylinder head

Y6102
CYL. 2 FUEL INJECTION VALVE . . . . . . . .
on cylinder head



Y6103 CYL. 3 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6104 CYL. 4 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6105 CYL. 5 FUEL INJECTION VALVE . . . . . . . . on cylinder head
Y6106 CYL. 6 FUEL INJECTION VALVE . . . . . . . . on cylinder head

Y6120

EVAPORATIVE EMISSION VALVE . . . . . . .

LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44-1


Y6120 EVAPORATIVE EMISSION VALVE . . . . . . . LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2
Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-1
Y6133 AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-2

Y6139
LEAKAGE DIAGNOSIS PUMP . . . . . . . . . . .
under LH center of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47-1

Y6163 SECONDARY AIR PUMP VALVE . . . . . . . . LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-2
Y6163 SECONDARY AIR PUMP VALVE . . . . . . . . LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44-2


Y6167

VALVE, INDIVIDUAL CONTROL INTAKE
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39-3




Y6275

VARIABLE CAMSHAFT CONTROL VALVE
1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31-3

COMPONENT LOCATION VIEWS









S47
DRIVER’S DOOR
LOCK SWITCH
M21
DRIVER’S WINDOW
MOTOR
X623
X625X749
X747
X753X18190






S164
CONVERTIBLE TOP
END–POSITION MI-
CRO SWITCH
X10299
X11209



S14
DRIVER’S DOOR
JAMB SWITCH
X352
A18
HIFI AMPLIFIER
COMPONENT LOCATION VIEWS









X1178


X605X606X10266

Y19
SHIFT–LOCK