1999 BMW M3 engine




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
X13257 (2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . . RH side of RH rear seat behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-2

X13258
(15 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . .
behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25-2
00-3
X13262 (4 PINS, BLUE) . . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1
X13263 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . behind glove box
X13305 (8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-4
X18080 (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . . in luggage compartment

X18126
(17 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
center console behind radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


02-3
X18135 (4 PINS, –––) . . . . . . . . . . . . . . . . . . . . . . . . . . . under driver’s seat
X18196 (10 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . driver’s door, LEFT FRONT HIGH RANGE SPEAKER . . . . . . . . . . . . . . . . . . . . . . . . 02-4
X18198 (10 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . passenger’s door, RIGHT FRONT HIGH RANGE SPEAKER . . . . . . . . . . . . . . . . . . . 02-4
X18279 (2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . . in lower LH front door behind trim panel

X18280

(2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . . . . .

in lower RH side of front door behind trim panel




X18296 (2 PINS, YELLOW) . . . . . . . . . . . . . . . . . . . . . . in lower LH B–pillar behind trim panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-2
X18336 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . LH side of glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-1 01-1
X18518 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under RH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-1
X18520
(10 PINS, –––) . . . . . . . . . . . . . . . . . . . . . . . . . .
center console, RADIO



X18521 (10 PINS, –––) . . . . . . . . . . . . . . . . . . . . . . . . . . RH side of luggage compartment, CD CHANGER
X18723 GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash
X18797 (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment
X18798 (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . . . . . in RH rear side of luggage compartment

X18994

(3 PINS, VIOLET) . . . . . . . . . . . . . . . . . . . . . . .

rear LH side of engine compartment below . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



01-1
X19527 (16 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 08-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
X19561 (6 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . on RH side of transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3

X19564
(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
in RH side of luggage compartment behind trim panel



X62001 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-1 07-2
X62002 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-2 07-2
X62101 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3 07-2
X62102 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-2
X62201
(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . .
top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15-3
07-2
X62202 (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under center of car on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-2
X90260 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 04-3 01-1
X91009 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . under passenger’s seat
Y1 . . . . ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . . rear LH side of engine compartment back of LH side shock tower . . . . . . . . . . . . . . . 16-2

Y1w . .

ABS HYDRAULIC UNIT . . . . . . . . . . . . . . . . . .

LH side of engine compartment




Y2 . . . . AIR CONDITIONING COMPRESSOR . . . . . front of engine
Y4 . . . . WATER VALVE ASSEMBLY . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-2
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 RH side of gearshift selector
Y85 . . LH ROLLOVER PROTECTION ACTUATOR behind rear seats (Convertible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-3
Y86 . . RH ROLLOVER PROTECTION ACTUATOR behind rear seats (Convertible) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-3
Y198 . EXHAUST GAS FLAP VALVE . . . . . . . . . . . . in LH rear side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2

Y199 .

CARBON CANISTER VALVE . . . . . . . . . . . . .

in spare–wheel well . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14-3


Y6101 CYL. 1 FUEL INJECTION VALVE . . . . . . . . . RH front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
Y6102 CYL. 2 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3

Y6103
CYL. 3 FUEL INJECTION VALVE . . . . . . . . .
top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12-3

Y6104 CYL. 4 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6105 CYL. 5 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6106 CYL. 6 FUEL INJECTION VALVE . . . . . . . . . top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Y6120 EVAPORATIVE EMISSION VALVE . . . . . . . . front LH side of engine compartment right of LH side shock tower . . . . . . . . . . . . . . . 15-1

Y6120
EVAPORATIVE EMISSION VALVE . . . . . . . .
LH side of engine compartment right of LH side shock tower . . . . . . . . . . . . . . . . . . .
20-3

Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . . front of engine below intake manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Y6130 IDLE SPEED CONTROL VALVE . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2


Y6131

INTAKE AIR RESONANCE CHANGEOVER
VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36-2


Y6133 AIR PUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1
Y6163 SECONDARY AIR PUMP VALVE . . . . . . . . . RH side of engine

Y6263

FUEL CHANGEOVER VALVE . . . . . . . . . . . .

under LH center of car






Y6275

VARIABLE CAMSHAFT CONTROL VALVE
1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
top center of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12-2


Y6550 SOLENOID VALVE (”RUNNING LOSSES”). under LH center of car
Y8505 TRANSMISSION VALVE UNIT . . . . . . . . . . . . on LH side of transmission
Y8505y TRANSMISSION VALVE UNIT . . . . . . . . . . . . on LH side of transmission




7100.0 COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS










A6000
ENGINE CONTROL
MODULE (DME)
A4
CHECK CONTROL
MODULE
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
A8500
TRANSMISSION
CONTROL MODULE
(EGS)X6000
X7000X8500
X1074X1075
X74
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
X1441
GROUND







COMPONENT LOCATION VIEWS








M4
WASHER PUMP
B6203
CRANKSHAFT
POSITION/RPM
SENSOR M7
HEADLIGHT/FOG
LIGHT WASHER
PUMP
X123
S64
WASHER FLUID
LEVEL SWITCH
X107
X109X163


S21w
ENGINE HOOD
SWITCH
X371






COMPONENT LOCATION VIEWS








B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION)
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR B6240
KNOCK SENSOR
Y6130
IDLE SPEED
CONTROL VALVE
X6130
B6231
OIL PRESSURE
SWITCH
B6256
DUAL
TEMPERATURE
SENSOR
(COOLANT
TEMPERATURE)X6231
X6256
B6236
ENGINE COOLANT
TEMPERATURE
SENSORX6130



Y6130
IDLE SPEED
CONTROL VALVE






COMPONENT LOCATION VIEWS









B6231
OIL PRESSURE
SWITCH
R6252
THROTTLE
POSITION SENSOR
B6232
ENGINE COOLANT
TEMPERATURE
SENSOR
X6256
X6231
T6151
CYL. 1 IGNITION
COIL
T6152
CYL. 2 IGNITION
COILT6153
CYL. 3 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
318i318i 318i







COMPONENT LOCATION VIEWS







M9
AUXILIARY FAN
MOTOR
B18
BRAKE FLUID
LEVEL SWITCH B6205
INTAKE AIR
TEMPERATURE
SENSOR
S123
ABS PEDAL TRAV-
EL SENSOR
X20
X69X111X1162
S63
ENGINE COOLANT
LEVEL SWITCH
X82
X112


318i
B6217
HOT FILM AIR
MASS METERX70
X6205X6217
M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)