2001 BMW Z3M COUPE Electrical Troubleshooting Manual



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
X23146 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3

X60001
(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31-1
01-2
X60002 (24 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 03-5
X60003 (52 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 02-5
X60004 (40 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 07-5
X60005 (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1 01-2
X60531
(3 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


03-6
X62101 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62102 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62201 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62202 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3
X62400

(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .

LH side of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



05-3
X64101 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X64102 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X64192 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box

X70001
(9 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . .
rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


01-2
X70003 (52 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-5
X70004 (40 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-5
X89977 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment in E–Box
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . under RH front seat

X100000

(4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . .

LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



02-4
Y2 . . . . . AIR CONDITIONING COMPRESSOR . . . . front RH side of engine compartment



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION
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
Y16z . . PRESSURE TRANSMITTER . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Y19 . . . SHIFT–LOCK . . . . . . . . . . . . . . . . . . . . . . . . . . center console

Y5255 .
VARIABLE CAMSHAFT CONTROL
VALVES . . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine




Y5392 . ELECTRIC THROTTLE MOTOR . . . . . . . . . LH side of engine

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
Y6130 . IDLE SPEED CONTROL VALVE . . . . . . . . . front of engine
Y6133 . AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment

Y6163 .
SECONDARY AIR PUMP VALVE . . . . . . . .
LH side of engine compartment



Y6165 . SOLENOID VALVE, SUCKING JET PUMP rear LH side of engine compartment


Y6167 .

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






Y6275z

VARIABLE CAMSHAFT CONTROL VALVE
1 (INLET) . . . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head



COMPONENT LOCATION CHART










COMP.8500.0 7100.0LOCATION DESCRIPTION


Y6276 .

VARIABLE CAMSHAFT CONTROL VALVE
2 (OUTLET) . . . . . . . . . . . . . . . . . . . . . . . . .
on cylinder head




Y6390 . ELECTRIC THROTTLE ACTUATOR . . . . . . top LH side of engine

Y8505y
TRANSMISSION VALVE UNIT . . . . . . . . . . .
on RH side of transmission

A35y
BOARD COMPUTER
(BC – LOW)
X10010
GROUND


7100.0 COMPONENT LOCATION VIEWS












X13004
GROUNDS220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
K46
HIGH BEAM LIGHT
RELAY

X10245X18349
K6301w
FUEL PUMP RELAY
N17
CRASH CONTROL
MODULEX322X1588


P97
AUXILIARY FUSE
BOX



M6510
STARTER
COMPONENT LOCATION VIEWS











X165
GROUNDX6510
CABLE SOCKET
STARTER, TERMI-
NAL 50
X6454
GROUND
X6455
GROUNDK25
RIGHT PARK
LIGHT/LICENSE
PLATE LIGHT
RELAY
K26
LEFT PARK LIGHT
RELAY



X6512
CABLE SOCKET
STARTER, TERMI-
NAL 30


K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)




H55z
REAR LEFT MID–
HIGH RANGE
SPEAKER
X537
COMPONENT LOCATION VIEWS













G19
BATTERY SAFETY
TERMINAL
E17
RIGHT REAR LIGHT
ASSEMBLY
P99
FUSE HOLDER

X10467
G1
BATTERY
X318





X494
GROUND
X170
GROUND


COMPONENT LOCATION VIEWS













X9633
GROUNDX18170
GROUND
D110
OBD II
CONNECTOR




X19527





X114X118
COMPONENT LOCATION VIEWS













B21
ON–BOARD
COMPUTER
TEMPERATURE
SENSOR
B2
LEFT FRONT
SPEED SENSOR –
ABS

X770
B16
LEFT FRONT
BRAKE PAD
SENSOR