1999 BMW Z3M COUPE fuel



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION


A8500

TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42-3


A9008 CRUISE CONTROL INTERFACE . . . . . . . . near steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-3

A19007
THERMAL OIL LEVEL SENSOR (TOENS)
CONTROL MODULE . . . . . . . . . . . . . . . . .
behind glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38-1


B1 . . . . RIGHT FRONT SPEED SENSOR – ABS . . on RH front wheel, above brake caliper

B2 . . . .

LEFT FRONT SPEED SENSOR – ABS . . .

on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-3


B3 . . . . RIGHT REAR SPEED SENSOR – ABS . . . on RH rear wheel, above brake caliper
B4 . . . . LEFT REAR SPEED SENSOR – ABS . . . . on LH rear wheel, above brake caliper
B6y . . . FUEL SENSOR . . . . . . . . . . . . . . . . . . . . . . . . in fuel tank

B8y . . .
PRESSURE SWITCH . . . . . . . . . . . . . . . . . . .
front RH side of engine compartment



B9 . . . . INTERMEDIATE PRESSURE SWITCH . . . front RH side of engine compartment
B10 . . VEHICLE SPEED SENSOR . . . . . . . . . . . . . on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2
B14 . . EVAPORATOR TEMPERATURE SENSOR RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2
B16 . . LEFT FRONT BRAKE PAD SENSOR . . . . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3

B17 . .

RIGHT REAR BRAKE PAD SENSOR . . . . .

behind RH rear wheel




B18 . . BRAKE FLUID LEVEL SWITCH . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1


B21 . .

ON–BOARD COMPUTER TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH front bumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-3


B59 . . OIL TEMPERATURE GAUGE . . . . . . . . . . . center console
B65 . . FUEL TANK PRESSURE SENSOR . . . . . . . under rear storage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-2
B78 . . DRIVER’S SIDE IMPACT SENSOR . . . . . . under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-3

B79 . .

PASSENGER’S SIDE IMPACT SENSOR . .

under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35-1



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . footwell, driver’s side (USA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-1

K46z .
DAY LIGHT RELAY MODULE . . . . . . . . . . . .
footwell, driver’s side (CANADA)



K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-2



K70 . .


CENTRAL LOCKING LUGGAGE
COMPARTMENT LID MOTOR RELAY
(ZV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .


08-2



K94 . . ENGINE CONTROL RELAY (ABS/ASC) . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-3
K95 . . VALVE RELAY (ABS/ASC) . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 09-3

K910 .
PASSENGER’S SEAT TILT ADJUST CUT–
OFF RELAY . . . . . . . . . . . . . . . . . . . . . . . . .
underside of RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1




K911 . .

PASSENGER’S SEAT LENGTH ADJUST
CUT–OFF RELAY . . . . . . . . . . . . . . . . . . . .
underside of RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11-1




K920 .

DRIVER’S SEAT TILT ADJUST CUT–OFF
RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-2




K921 .

DRIVER’S SEAT LENGTH ADJUST CUT–
OFF RELAY . . . . . . . . . . . . . . . . . . . . . . . . .
underside of LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10-2


K6300 ENGINE CONTROL MODULE RELAY . . . . rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . . 00-1
K6300 ENGINE CONTROL MODULE RELAY . . . . rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . . 41-1

K6304

SECONDARY AIR PUMP RELAY . . . . . . . .

rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . .

00-1


K6304 SECONDARY AIR PUMP RELAY . . . . . . . . rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . . 41-1
K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . rear RH side of engine compartment in E–Box (M VERSIONS) . . . . . . . . . . . . . . . . . 00-1
K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . rear RH side of engine compartment in E–Box (Z3 VERSIONS) . . . . . . . . . . . . . . . . 41-1

K6301w
FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19-1



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
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



H54z
REAR RIGHT MID–
HIGH RANGE
SPEAKER
X538
COMPONENT LOCATION VIEWS










B65
FUEL TANK
PRESSURE
SENSOR
X19528



X6500X6501



X32X33X72X295
K46
HIGH BEAM LIGHT
RELAY
K6301w
FUEL PUMP RELAY
S8507
KICK–DOWN
SWITCH
X8507
COMPONENT LOCATION VIEWS









N17
CRASH CONTROL
MODULE



X322X1588

P97
AUXILIARY FUSE
BOX