1999 BMW Z3M COUPE sensor













INSTRUMENT CLUSTER
CONSOLE INSTRUMENTS
P90
FRONT POWER
DISTRIBUTION BOX
F4615A

3
X21114
B59
OIL TEMPERATURE
GAUGE
32X10018
X10059
FUSE DETAILS
0670.3
2
.5 GR/RT
1
.5 BR
1 X6238
1
.35 BR/SWX20
21
X10010
GROUND
DISTRIBUTION
0670.4
X10059
.5 VI/GE
B6238
OIL TEMPERATURE
SENSOR
X6849
1
.5 BR/SW .35 BR/RT.5 BR/RT
LIGHT SWITCH
DETAILS
6300.0 58g
P90
FRONT POWER
DISTRIBUTION BOX
F75A

14X10015
FUSE DETAILS
0670.3
N5
ANALOG CLOCK 2
.5 GR/RT
X211132 X1155
X11551
.5 BR
1
.5 BR
X21114
.5 BR X21113
X19245
X9806
M VERSIONS
F415A

8
FUSE DETAILS
0670.3
B211
VOLTMETER 2
.5 GR/RT
X211123 X21111
X211112
.5 BR
1
.5 BR
X21112
LIGHT SWITCH
DETAILS
6300.0 58g



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






.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




Pin Assignments (Z3 Versions)





E = Input, A = Output, M = GroundX18349
8 Pins, black
X183506 Pins, black
X18349
Pin Type Description/Function Connection
1
ETerminal 15Heating blower relay
2AActivate compressor clutchInstrument cluster
3ABlower level 1 (air conditioning)Blower resistor
4ETerminal 15Heating blower relay
5ABlower level 1 (air-recirculation)Blower resistor
6MGround for function lightsGround point
7ETerminal 15Heating blower relay
8AActivate fresh air-recirculationFresh air-recirculation motor
X18350
Pin Type Description/Function Connection
1
Not used
2MGroundGround point
3EClimate-ON-signalAir conditioning/recirculated air operating
unit
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor




Pin Assignments (M Versions)





E = Input, A = Output, M = GroundX18349
8 Pins, black
X183506 Pins, black
X18349
Pin Type Description/Function Connection
1
MGroundGround point
2AA/C-ON-signalEvaporator controller
3AA/C-ON-signalNormal speed relay
4ETerminal 15Heating blower relay
5ABlower level 1 (air-recirculation)Blower resistor
6MGround for function lightsGround point
7ETerminal 15Heating blower relay
8AActivate fresh air-recirculationFresh air-recirculation motor
X18350
Pin Type Description/Function Connection
1
Not used
2MGroundGround point
3EClimate-ON-signalAir conditioning/recirculated air operating
unit
4Not used
5AActivate A/C compressorPressure switch
6EEvaporator temperatureEvaporator temperature sensor












INTEGRATED HEATING– AND CLIMATE CONTROL


X11287
X11287
F9532A
6450.6-00
X7711
GROUND
DISTRIBUTION
0670.4
6450.6-00
.5 GN/BR1.5 GN/BR1.5 GN/BR
1.5 GE1 SW/VI
X18350
X683091 GN/BR
S531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
A605
FUSE HOLDER
Y4z
WATER VALVES221
EVAPORATOR
CONTROLLER
B14
EVAPORATOR
TEMPERATURE
SENSORM111
FRESH AIR
RECIRCULATION
MOTOR S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
0) OFF
1) AIR CONDI-
TIONING
2) AIR RECIRCU-
LATING
.5 BL4
X5115
2 1
X851
X853
.5 BL
X10054
2
.5 BL
X13004
X7712
X183506
.75 SW/WS
147 X18349
X18349
1.5 GE.5 GN
.5 GN/BR
X151713 3285
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
6
GROUND
DISTRIBUTION
0670.4
X15172
X13004
GROUND
DISTRIBUTION
0670.4 6450.6-00 X5115
1(PARTIAL)
1 SW/VIX1891 SW/VI
0101020201
X9633
X10054
A2w
INSTRUMENT
CLUSTER
5
X271
6
.5 VI/GR
Z3 VERSIONS












INTEGRATED HEATING– AND CLIMATE CONTROL


01
6450.6-04
X7711
1 GN/BR
1 SW/VI
X18350
1.5 GN/BR
S221
EVAPORATOR
CONTROLLER
B14
EVAPORATOR
TEMPERATURE
SENSORM111
FRESH AIR
RECIRCULATION
MOTOR S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY
0) OFF
1) AIR CONDITION-
ING
2) AIR RECIRCULAT-
ING
X9633
X7712
X1835061 SW/WS
47 X18349
X183491.5 GE.5 GN
.5 GN/BR
X151713 285
3
2
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4
6
GROUND
DISTRIBUTION
0670.4
X15172
X9633
GROUND
DISTRIBUTION
0670.4 6450.6-04 (PARTIAL)
6450.6-07
1 SW/VIX189
2
01
1.5 GE
3
1
GROUND
DISTRIBUTION
0670.4
6450.6-04
X68309(PARTIAL)
.5 GN/BR
1 X11287
X112874
A605
FUSE HOLDER
2 X5115
X5115
.5 BL1
0
1
X85GROUND
DISTRIBUTION
0670.4
X100542
1 X85
Y4z
WATER VALVE
3 1 BL
0
20
F9532AS531
TEMPERATURE
WHEEL SWITCH
0) NORMAL
TEMPERATURE
1) MAXIMUM
TEMPERATURE
.5 BL
M VERSIONS