1999 BMW Z3M COUPE engine coolant




Pin Assignments





E = Input, A = Output, M = Ground
X17
Pin Type Description/Function Connection
1
ETrailer turn signal indicator controlHazard flasher relay (Z3 Versions)
2AVehicle speed signalVarious control modules
3MGround supply, terminal 31 for indicator and
warning lampsGround point
4EVoltage supply, terminal 15 for instrument
cluster electronicsFront power distribution box, fuse 23
5EVoltage supply, terminal 15 for battery
charge indicatorIgnition switch, terminal 15 (M Versions)
6EGround supply, terminal 61 for battery
charge indicatorGenerator
7Not used
8EFog light indicator controlFront power distribution box, fuse 15
(Z3 Versions)
9ASound tone signalChime module
10not used
11ESlip control system warning lamp (ABS)
controlSlip control module (ABS/ASC)
(M Versions)
12EASC signalASC control module (M Versions)
13ATI-measurement signal (fuel consumption)Engine control module (DME) (M Versions)
14ESeat belt warning lamp controlDriver’s seat belt switch
15ESIA reset/service interval indicator resetData link connector
16EVoltage supply, terminal RFront power distribution box, fuse 46
17ACoolant temperature sensor (–)Coolant temperature sensor (M Versions)
18ECoolant temperature sensor (+)Coolant temperature sensor (M Versions)
19EOil pressure warning lamp controlOil pressure switch (M Versions)
Engine control module (Z3 Versions)
20Not used
21MGround (ASC)Ground point (M Versions)
21EABS warning lamp (ABS)Slip control module (ABS/ASC)
(Z3 Versions)
22EIgnition key warning/audible ignition key
warningIgnition switch



FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X1623
X1001714










INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X62321B6232
ENGINE COOLANT
TEMPERATURE
SENSOR
18X1620
.5 SW .5 BR/VI
3
SPEEDOMETER
31
1112
17
.5 BR/GE
TEMPERATURE
GAUGE
X1047
A52
SLIP CONTROL
MODULE
(ABS/ASC) X1175
B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE
X1719
2 X6232
23X20
.5 BR/GN
.5 BR/GE
X6231
1
X17
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III) 5 X1805TD .35 SWTD .5 BR/RT
.5 BR/RT .5 BR/VI .5 BR/GE
.5 BR/VI
7
X6002
15 .5 WS/GN
X2019
.5 WS/GND100
DATA LINK
CONNECTOR
F275A
RCHECK
ENGINE15
16
1 X6031
.5 GR
.5 GR
2 1
7
X8051X8071X8010
20
20.5 WS/GNX8072X6000
.5 SW
.5 SW20 X20
X8015
.5 SW
TD
.5 SW1
X6002
36
.35 SW
A6000
ENGINE CONTROL
MODULE (DME)D100
DATA LINK
CONNECTOR
M VERSIONS
13
3
.5 GN/RT
46
.5 GN/RT



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
B211 . . VOLTMETER . . . . . . . . . . . . . . . . . . . . . . . . . . center console

B6203
CRANKSHAFT POSITION/RPM SENSOR
rear LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . .
32-3

B6203 CRANKSHAFT POSITION/RPM SENSOR rear LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . 41-3


B6204

CAMSHAFT POSITION SENSOR
(CYLINDER IDENTIFICATION) . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31-3


B6205 INTAKE AIR TEMPERATURE SENSOR . . front LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . 34-1
B6205 INTAKE AIR TEMPERATURE SENSOR . . top center of engine (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42-2
B6207 HOT FILM AIR MASS METER . . . . . . . . . . . LH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3

B6207
HOT FILM AIR MASS METER . . . . . . . . . . .
LH side of engine compartment (Z3 VERSIONS)



B6209 HALL EFFECT CAMSHAFT SENSOR . . . . front of engine


B6214

CAMSHAFT POSITION SENSOR 1 (INLET)
front of engine






B6224

CAMSHAFT POSITION SENSOR 2
(OUTLET) . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47-2


B6231 OIL PRESSURE SWITCH . . . . . . . . . . . . . . . lower LH side of engine (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-2
B6231 OIL PRESSURE SWITCH . . . . . . . . . . . . . . . LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44-1

B6232
ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine





B6236
ENGINE COOLANT TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . .
front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40-1


B6238 OIL TEMPERATURE SENSOR . . . . . . . . . . RH side of oil filter (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-2

B6238
OIL TEMPERATURE SENSOR . . . . . . . . . .
RH side of oil filter (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44-1

B6240 KNOCK SENSOR . . . . . . . . . . . . . . . . . . . . . . LH side of engine (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42-1
B6240 KNOCK SENSOR . . . . . . . . . . . . . . . . . . . . . . top front of engine (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-2



COMPONENT LOCATION CHART









COMP.8500.0 7100.0LOCATION DESCRIPTION
B6247 CHARCOAL FILTER SHUT–OFF VALVE . . under LH rear of car . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1

B6254
THERMAL OIL LEVEL SWITCH . . . . . . . . .
lower LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47-1



B6256

DUAL TEMPERATURE SENSOR
(COOLANT TEMPERATURE) . . . . . . . . .
rear of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32-1

B6279

THERMOSTAT, CHARACTERISTIC MAP
COOLING . . . . . . . . . . . . . . . . . . . . . . . . . . .

front of engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39-1



B9508

PRESSURE SWITCH . . . . . . . . . . . . . . . . . . .

front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30-2




B62101

OXYGEN SENSOR I (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

43-3




B62102

OXYGEN SENSOR I (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter





B62201

OXYGEN SENSOR II (IN FRONT OF
CATALYTIC CONVERTER) . . . . . . . . . . . .
on catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43-3



B62202

OXYGEN SENSOR II (BEHIND CATALYTIC
CONVERTER) . . . . . . . . . . . . . . . . . . . . . . .
on catalytic converter



C101 . CONTACT RING . . . . . . . . . . . . . . . . . . . . . . . top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-3
D100 . DATA LINK CONNECTOR . . . . . . . . . . . . . . . rear RH side of engine compartment (M VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . 31-1
D100 . DATA LINK CONNECTOR . . . . . . . . . . . . . . . rear LH side of engine compartment (Z3 VERSIONS) . . . . . . . . . . . . . . . . . . . . . . . . . 39-3
D110 . OBD II CONNECTOR . . . . . . . . . . . . . . . . . . . center console right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-3

E7 . . . .

LEFT HEADLIGHT . . . . . . . . . . . . . . . . . . . . .

front LH side of engine compartment




E8 . . . . RIGHT HEADLIGHT . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment
E9 . . . . REAR DEFOGGER I . . . . . . . . . . . . . . . . . . . hard top
E11 . . . LEFT HIGH BEAM LIGHT . . . . . . . . . . . . . . . near front LH headlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1

E12 . .
RIGHT HIGH BEAM LIGHT . . . . . . . . . . . . .
near front RH headlight



X60001X60002X60003X60004X60005
COMPONENT LOCATION VIEWS










B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
A6000
ENGINE CONTROL
MODULE (DME)P98
FUSE HOLDER IN
E–BOX





X6236
X6011X6021X6031X89977