1999 BMW Z3M COUPE engine




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



FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
23
X1001714











INDICATORS
INSTRUMENT CLUSTER
A2w
INSTRUMENT
CLUSTER
3) ENGINE SPEED
INPUT
7) TACHOMETER
X1620
.5 SW
GROUND
DISTRIBUTION
0670.4
3SPEEDOMETER
1
TEMPERATURE
GAUGE
X1047
X1612
.35 WS/VI
F275A
15
19
D100
DATA LINK
CONNECTOR.5 BR/GN
1 X6002
7




Z3 VERSIONS
6
.5 GE
7
.5 BR
X100182
6FUSE DETAILS
0670.39 X19007
A19007
THERMAL OIL
LEVEL SENSOR
(TOENS) CONTROL
MODULE
F315A
5 X1805
A837
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS III)
10
.5 WS/VI
DATA LINK
0670.5
DATA LINK
0670.5X19007
11
.5 GN/GE
6
2FUSE DETAILS
0670.3
F235A
X2719
.5 GN/BL/GE
12
1325
.35 WS/RT
CAN + CAN –
.5 SWX17
X16
.35 SW .35 SW .5 SW
TXD










P90
FRONT POWER
DISTRIBUTION BOX
X1001712
1FUSE DETAILS
0670.3
39
3 X6254
.5 GR/BR
GROUND
DISTRIBUTION
0670.4
X62542
B6254
THERMAL OIL
LEVEL SWITCH
F2610A
2 1

B6231
OIL PRESSURE
SWITCH
1) PRESSURE
BETWEEN
0.2–0.5 BAR
2) NORMAL
PRESSURE .5 BR/GN
1 X6231
X60003
A6000
ENGINE CONTROL
MODULE (DME)
26
37 X60004
.5 BR
21 .5 GN/GE17 .5 SW11 .5 BR/GN36 .5 GE
X1894
A52
SLIP CONTROL
MODULE
(ABS/ASC)10 X1170
.5 BR
.5 GE X1893
.5 BR
11
.5 GE
CAN –CAN +
CAN + CAN –
TD

Z3 VERSIONS WITHOUT EGS
1 BL/GEX8074


6
6322.0 BACK UP LIGHTS










P90
FRONT POWER
DISTRIBUTION BOX
12
X10017
F2610A

3 X511
2 X511
X319
20S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
2) CLOSED
IN REVERSE
FUSE DETAILS
0670.3
Z3 VERSIONS WITH EGS
H27
LEFT BACK UP
LIGHT
5X319

X318
H28
RIGHT BACK UP
LIGHT X318

1 BL/GE
1 BL/GE .75 BL/GE
E16
LEFT REAR LIGHT
ASSEMBLYE17
RIGHT REAR LIGHT
ASSEMBLY
1.5 BR 1.5 BR
X13006
RS8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R 1 X85112 X8511
21
10 X20
1 BL/GE
1 BL/GE
1
15 M VERSIONS
GROUND
DISTRIBUTION
0670.4
1 BL/GEX1169
1 X8511
2 X8511
21S8511
REVERSING LIGHT
SWITCH
1) OPEN
2) CLOSED IN R
1 BL/GE
1 BL/GEX1169
.75 BL/GE3 X6021
NOT USED
X1169
1 BL/GE
19 X60004
A6000
ENGINE CONTROL
MODULE (DME)
.5 BL/GE
3 X6021
.75 BL/GE

1
13X1170
4 X13146
.5 BL/RT







 





6325.0 BRAKE LIGHTS
.5 BL/RT
10 X8500A8500
TRANSMISSION
CONTROL MODULE
(EGS)
21
X181
X10018
F4615A
FUSE DETAILS
0670.3
2P90
FRONT POWER
DISTRIBUTION BOX
32
1
1.5 BL/RT
1.5 BL/RTS30
BRAKE LIGHT SWITCH
1) BRAKE PEDAL RE-
LEASED
2) BRAKE PEDAL
DEPRESSED
3) BRAKE PEDAL
DEPRESSED (TEST)
4) BRAKE PEDAL RE-
LEASED (NORMAL)
X13006
GROUND
DISTRIBUTION
0670.4 X318
X318
E17
RIGHT REAR LIGHT
ASSEMBLY X319
X319
E16
LEFT REAR LIGHT
ASSEMBLY H24
LEFT BRAKE LIGHTH31
RIGHT BRAKE
LIGHT
5 1 7H34
HIGH LEVEL STOP
LIGHT X4133
X4131 .75 BL/RT
2 3
.75 BL/RT
34
34 X78
X78
A52
SLIP CONTROL
MODULE
(ABS/ASC) .75 BL/RT
2 X6031
.35 BL/RT
K18363
CONVERTIBLE TOP
RELAY I (CLOSE) .5 BL/RTK18364
CONVERTIBLE TOP
RELAY II (OPEN)
X1215
.5 BL/RT .5 BL/RT
8 X18363
8 X18364
Z3 VERSIONS
X10016
F137.5A
FUSE DETAILS
0670.3 6
28 X60004A6000
ENGINE CONTROL
MODULE (DME) .35 RT/GE
X112772
X11277
COUPE
COUPE
24
.5 BL/RT






.0
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-02
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-02
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-02
K4
BLOWER RELAY 6450.6-00 F20
30A
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
41
R11
BLOWER
RESISTORS 6450.6-00
S75
BLOWER SWITCH 6450.6-00
M30
BLOWER MOTOR 6450.6-00
3258
3
A2w
INSTRUMENT
CLUSTER 6450.6-01B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-01
6 X18349
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-01
S531
TEMPERATURE
WHEEL SWITCH 6450.6-01
A605
FUSE HOLDER
F953
2A
6450.6-02 6450.6-00
6450.6-01
6
Y4z
WATER VALVE 6450.6-01
P90
FRONT POWER
DISTRIBUTION BOX
K22
HIGH SPEED
RELAY
B9
INTERMEDIATE
PRESSURE
SWITCH
S36
TEMPERATURE
SWITCHM9
AUXILIARY FAN
MOTORK21
NORMAL SPEED
RELAY
6450.6-036450.6-03
6450.6-036450.6-03
6450.6-03 6450.6-03
B8y
PRESSURE
SWITCH
A2w
INSTRUMENT
CLUSTER 6450.6-03
B9508
PRESSURE
SWITCH
F165AF4030A
S221
EVAPORATOR
CONTROLLER
5 X18350
F2410A
AUXILIARY FAN
2
X18350
Z3 VERSIONS
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL







M VERSIONS
P97
AUXILIARY FUSE
BOX
K21
NORMAL SPEED
RELAY
S36
TEMPERATURE
SWITCHK22
HIGH SPEED
RELAY 6450.6-07
6450.6-076450.6-07
F165AF4840A
A6000
ENGINE
CONTROL
MODULE (DME) 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOXP90
FRONT POWER
DISTRIBUTION BOX F16
5A
M9
AUXILIARY FAN
MOTOR 6450.6-07
P90
FRONT POWER
DISTRIBUTION BOX
K19
COMPRESSOR
CONTROL RELAY 6450.6-06
F397.5AF165A
Y2
AIR CONDITIONING
COMPRESSOR 6450.6-06
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-06
K4
BLOWER RELAY 6450.6-04 F20
30A
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
43
R11
BLOWER
RESISTORS 6450.6-04
S75
BLOWER SWITCH 6450.6-04
M30
BLOWER MOTOR 6450.6-04
1258
S221
EVAPORATOR
CONTROLLER
3
A6000
ENGINE CONTROL
MODULE (DME) 6450.6-04
B14
EVAPORATOR
TEMPERATURE
SENSOR 6450.6-05
26
X18349
X18350
7 X18349
M111
FRESH AIR
RECIRCULATION
MOTOR 6450.6-05
S531
TEMPERATURE
WHEEL SWITCH 6450.6-05
A605
FUSE HOLDER
F953
2A
S2
IGNITION SWITCH 6450.6-046450.6-06 6450.6-04
6450.6-05
K33a
AIR CONDITIONING
RELAY, MOTRONIC 6450.6-04
6
Y4z
WATER VALVE 6450.6-05
B9
INTERMEDIATE
PRESSURE
SWITCHB8y
PRESSURE
SWITCH
5 X18350
B9508
PRESSURE
SWITCH 6450.6-07 6450.6-07
NOT USEDNOT USED 6450.6-07
6450.6-07
AUXILIARY FAN
INTEGRATED HEATING– AND CLIMATE CONTROL