1998 BMW Z3M ROADSTER air condition

0100.0 INDEX







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ABS HYDRAULIC UNIT, Y1 3450.0-01. . . . . . . . . . . . . . . . . . . . . . . . .
ABS HYDRAULIC UNIT, Y1w 3450.1-01. . . . . . . . . . . . . . . . . . . . . . . .
ABS HYDRAULIC UNIT, Y1w 3450.1-11. . . . . . . . . . . . . . . . . . . . . . . .
ABS HYDRAULIC UNIT, Y1w 3450.1-05. . . . . . . . . . . . . . . . . . . . . . . .
ABS PUMP MOTOR RELAY, K75 3450.0-00. . . . . . . . . . . . . . . . . . . .
ABS PUMP MOTOR RELAY, K75 3450.1-00. . . . . . . . . . . . . . . . . . . .
ABS PUMP MOTOR RELAY, K75 3450.1-04. . . . . . . . . . . . . . . . . . . .
ABS RELAY, K10 3450.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ABS RELAY, K10 3450.1-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR BAG CUT–OFF SWITCH, PASSENGER’S, S559 3234.0-01. .
AIR BAG GAS GENERATOR, DRIVER’S, G5 3234.0-00. . . . . . . . . .
AIR BAG GAS GENERATOR, LEFT SIDE, G14 3234.0-03. . . . . . . .
AIR BAG GAS GENERATOR, PASSENGER’S, G6 3234.0-01. . . . .
AIR BAG GAS GENERATOR, RIGHT SIDE, G15 3234.0-03. . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.6-02. . . . . . . . . . . . .
AIR CONDITIONING COMPRESSOR, Y2 6450.6-07. . . . . . . . . . . . .
AIR CONDITIONING RELAY, MOTRONIC, K33a 6450.6-05. . . . . . .
AIR CONDITIONING/
RECIRCULATING SWITCH ASSEMBLY, S220 6450.6-01. . . . . . .
AIR CONDITIONING/
RECIRCULATING SWITCH ASSEMBLY, S220 6450.6-06. . . . . . .
AIR PUMP, Y6133 1210.20-09. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6163 1210.17-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK, N5 6211.0-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANTENNA AMPLIFIER AM/FM, N8 6510.1-00. . . . . . . . . . . . . . . . . . .
ANTI–THEFT CONTROL MODULE (ALPINE), N12w 6575.2. . . . . .
ANTI–THEFT HORN (ALPINE), H1w 6575.2-01. . . . . . . . . . . . . . . . .
ANTI–THEFT SYSTEM (ALPINE) 6575.2. . . . . . . . . . . . . . . . . . . . . . . ASC DIODE, V7 3450.1-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASC SWITCH, S6 3450.1-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, FRONT, E25 6300.0-01. . . . . . . . . . . . . . . . . . . . . .
ASHTRAY LIGHT, FRONT, E25 6332.0-00. . . . . . . . . . . . . . . . . . . . . .
AUTOMATIC TRANSMISSION RANGE SWITCH, S3 2460.2-08. . .
AUXILIARY FAN MOTOR, M9 6450.6-03. . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FAN MOTOR, M9 6450.6-04. . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FAN MOTOR, M9 6450.6-08. . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P95 0670.2-02. . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P97 0670.2-02. . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-09
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-03
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-06
AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-09. . . .
AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-03. . . .
AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-08. . . .
AUXILIARY TURN LIGHT, LEFT FRONT, H9 6313.0-02. . . . . . . . . .
AUXILIARY TURN LIGHT, RIGHT FRONT, H8 6313.0-02. . . . . . . . .
B+ JUMP START JUNCTION POINT, G6430 0670.2-00. . . . . . . . . .
B+ JUMP START JUNCTION POINT, G6430 0670.2-01. . . . . . . . . .
BACK UP LIGHT, LEFT, H27 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHT, RIGHT, H28 6322.0-00. . . . . . . . . . . . . . . . . . . . . . .
BACK UP LIGHTS 6322.0-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BATTERY, G1 0670.2-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . .

* K33a *
AIR CONDITIONING
RELAY, MOTRONIC






K48
LOW BEAM LIGHT
RELAYX45
11 12 13456 78 9
38
37
35
34
33
32
31 42
41
40
39 43 44
FRONT POWER DISTRIBUTION BOX
0670.0 POWER DISTRIBUTION CHART !""





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K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K10
ABS RELAYK75
ABS PUMP MOTOR
RELAYK22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY X56X44X64X58
X63X54X1161
X53X51X52
46
45
3612 3 10
14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
FUSES FUSES
X0
K9
UNLOADER RELAY,
TERMINAL 15K6304
SECONDARY AIR
PUMP RELAYX6304
4–CYLINDER
X50
K94 *
ENGINE CONTROL
RELAY (ABS/ASC)X18766K95 *
VALVE RELAY
(ABS/ASC)X18767
M ROADSTER

1.5 BRS221
EVAPORATOR
CONTROLLER
.75 BR






GROUND DISTRIBUTION
GROUND X9633
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X1115
X6234Y5
DRIVER’S SIDE
MIRROR
X6252S17
MIRROR CONTROL
SWITCH
K16
HAZARD FLASHER
RELAY
.5 BR
X648
X2951S5
WIPER/WASHER
SWITCH
.75 BR
X849
X2571
.75 BR
2.5 BR
X1616
X3331M3
WIPER MOTOR
X10141E28
FRONT CIGAR
LIGHTER
2.5 BR
X1005431
2.5 BR
2.5 BR.5 BR/WS
2.5 BR
.5 BRX1517
2M111
FRESH AIR
RECIRCULATION
MOTOR
B14
EVAPORATOR
TEMPERATURE
SENSOR
X7711
X132871M30
BLOWER MOTOR
X183502
X818
1 BR
X189842E106
HEAT/A/C
CONTROL PANEL
ILLUMINATION
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
X183496
X189832E105
HEAT/A/C
CONTROL PANEL
ILLUMINATION
X814
2.5 BR.5 BR/WS .5 BR/
WS.5 BR/
WS .5 BR
1 BR .75 BR .75 BR
6 BR
.5 BR
X7493M21
DRIVER’S WINDOW
MOTOR
A51
WIPER/WASHER
MODULE
X2857
.75 BR
X183491S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
1.5 GN/BRM ROADSTER

21
.5 BR
.5 BR .5 BR
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H1w
ANTI–THEFT HORN
(ALPINE)
3
X3721
X63
4
1.5 BR X10008
1 BR
A2w
INSTRUMENT
CLUSTER
X17
.5 BR
X3312S2
IGNITION SWITCH
.5 BR
.5 BR X85
3Y4z
WATER VALVE
K48
LOW BEAM LIGHT
RELAY
2
X454
6 BR
X9633
X10024
.5 BR .5 BR
B18
BRAKE FLUID
LEVEL SWITCH
.5 BR
X584K4
BLOWER RELAY
.5 BR
X11353
2.5 BRX10048
K46
HIGH BEAM LIGHT
RELAY
X102624
X111
1 BR1.5 BR X1107
.5 BR
X705M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
B2
LEFT FRONT
SPEED SENSOR –
ABS
X1143
K9
UNLOADER RELAY,
TERMINAL 15
.75 BR
1.5 BR
6 BR
Z3 ROADSTER 6–CYLINDER
M ROADSTER WITH ABS
X189941
S235
STARTER
IMMOBILIZATION
SWITCH
.35 BRM ROADSTER AND
4–CYLINDER
NOT USED
WITH EGS
.5 BRX504K33a
AIR CONDITIONING
RELAY, MOTRONIC
M ROADSTER
K46z
DAY LIGHT RELAY
MODULECDN

S221
EVAPORATOR
CONTROLLER 1210.17-09
1210.17-12 * 55 * 76 * 70 * 61 * 78 * 72
45
B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION) 1210.17-06
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A6000
ENGINE
CONTROL
MODULE (DME) 1210.17-00
7387
1210.17-02
B6207
HOT FILM AIR
MASS METER K6300
ENGINE CONTROL
MODULE RELAY
87
A8500
TRANSMISSION
CONTROL
MODULE (EGS)
26
1210.17-00
Y6101
CYL. 1 FUEL
INJECTION VALVE
Y6102
CYL. 2 FUEL
INJECTION VALVE
Y6103
CYL. 3 FUEL
INJECTION VALVE 1210.17-01
29
T6151
CYL. 1 IGNITION
COIL
T6154
CYL. 4 IGNITION
COIL
3
T6152
CYL. 2 IGNITION
COIL
T6153
CYL. 3 IGNITION
COIL
T6155
CYL. 5 IGNITION
COIL
T6156
CYL. 6 IGNITION
COIL
18161456
B6205
INTAKE AIR
TEMPERATURE
SENSOR39
B6236
ENGINE COOLANT
TEMPERATURE
SENSOR
12 4442
R6252
THROTTLE
POSITION SENSOR
22 1210.17-05
15S2
IGNITION SWITCH
301312
1210.17-03
1210.17-03
1210.17-02
1210.17-05
A836
ELECTRONIC IMMOBILIZER
CONTROL MODULE (EWS II) 1210.17-09
1210.17-12 X6000
88
S221
EVAPORATOR
CONTROLLER
TXD
B8y
PRESSURE
SWITCH
1210.17-02
+
–
G6430
B+ JUMP START
JUNCTION POINT
D100
DATA LINK
CONNECTOR 1210.17-00
19
F165AP90
FRONT POWER
DISTRIBUTION BOX 1210.17-07
74K19
COMPRESSOR
CONTROL RELAY
1210.17-07
86
85
F1815A
P90
FRONT POWER
DISTRIBUTION BOX
M2
FUEL PUMPK6301
CYL. 1–6 FUEL
PUMP RELAY
1210.17-10
1210.17-111210.17-10
1210.17-11
Y6104
CYL. 4 FUEL
INJECTION VALVE
Y6105
CYL. 5 FUEL
INJECTION VALVE
Y6106
CYL. 6 FUEL
INJECTION VALVE 1210.17-01
241210.17-0562
Y6275
VARIABLE CAM-
SHAFT CONTROL
VALVE 1
Y6120
EVAPORATIVE
EMISSION VALVE
Y6163
SECONDARY AIR
PUMP VALVE
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
23 503368+
–+
–
B9508
PRESSURE
SWITCHX6000
X6000
65
B6240
KNOCK SENSOR 1210.17-06
5963
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 1210.17-09
1210.17-12
9
A35y
BOARD
COMPUTER
(BC – LOW) 1210.17-098081
A52
SLIP CONTROL
MODULE
(ABS/ASC)
1210.17-00
M6506
E–BOX FAN 1210.17-00
B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)
B62201
OXYGEN SENSOR II (IN
FRONT OF CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND CATALYTIC
CONVERTER)
B62101
OXYGEN SENSOR I (IN
FRONT OF CATALYTIC
CONVERTER) 1210.17-10
1210.17-11
7977715425 75 67
20
A2w
INSTRUMENT
CLUSTER
4636
49
Y6133
AIR PUMP 1210.17-05
F135A
SPARK PLUGS
B6247
CHARCOAL
FILTER SHUT–
OFF VALVE
511210.17-04
K6304
SECONDARY AIR
PUMP RELAY
K6326
UNLOADER RELAY,
TERMINAL 15
35
G6430
B+ JUMP START
JUNCTION POINT1210.17-05
11 4 0
B65
FUEL TANK
PRESSURE
SENSOR 1210.17-0432 3444364158286
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
85415758
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.17-06
3883 48
53 27Y6130
IDLE SPEED
CONTROL VALVE 1210.17-015 6211210.17-01
1210.17-05
60
D100
DATA LINK
CONNECTOR1210.17-02
1210.17-04
1210.17-08
1210.17-12
10
1210.17-07
1210.17-071210.17-09
69
2852
NOT USED
1210.17-08
1210.17-02
Z3 ROADSTER B6210y
OXYGEN SENSOR (IN
FRONT OF CATALYTIC
CONVERTER)
B6220y
OXYGEN SENSOR
(BEHIND CATALYTIC
CONVERTER) M ROADSTER
Z3 ROADSTER
A7
SLIP CONTROL
MODULE (ABS) 1210.17-12
WITH ABS WITH ASC * M ROADSTER
1210.17-12
Z3 ROADSTER
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)


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Pin Assignments
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E = Input, A = Output, M = Ground
X6000
Pin Type Description/Function Connection
1
ACyl. 2 ignition coil controlCyl. 2 ignition coil
2ACyl. 4 ignition coil controlCyl. 4 ignition coil
3ACyl. 6 ignition coil controlCyl. 6 ignition coil
4MGroundGround point
5ACyl. 2 fuel injection valve controlCyl. 2 fuel injection valve
6ACyl. 1 fuel injection valve controlCyl. 1 fuel injection valve
7MGroundHot wire air mass meter
8EHot wire air mass meterHot wire air mass meter
9ETI-measurement signal (fuel consumption)Board computer (Z3 Roadster)
10EEngine coolant temperatureEngine coolant temperature sensor
11EFuel tank pressureFuel tank pressure sensor
12EThrottle position signalThrottle position sensor
13Not used
14EIntake air temperatureIntake air temperature sensor
15ERight rear speed signalABS/ASC control module
16EActivate A/CPressure switch
17Not used
18EDrive-away protection signal (code)Electronic immobilizer control module
(EWS II)
19EA/C-ON-signalAir conditioning operating unit
20A“Check engine” indicator controlInstrument cluster
21ACamshaft controlVariable camshaft control valve
22ACyl. 3 fuel injection valve controlCyl. 3 fuel injection valve
23ACyl. 6 fuel injection valve controlCyl. 6 fuel injection valve
24ACyl. 4 fuel injection valve controlCyl. 4 fuel injection valve
25MOxygen sensor heating groundOxygen sensor (in front of catalytic
converter)
26EBattery voltageB+ jump start junction point
27AActivate valveIdle speed control valve
28MGroundGround point
29ACyl. 1 ignition coil controlCyl. 1 ignition coil






ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)
1
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6
FUSE DETAILS
0670.3
X600016
4 X10054
X1271
4 X127
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
X20
5 .5 SW/GR
.5 SW/GR
B8y
PRESSURE SWITCH
1) PRESSURE
BELOW 21 BAR
2) PRESSURE
ABOVE 30 BAR
3) PRESSURE
ABOVE 2.6 BAR
4) PRESSURE
BELOW 1.5 BAR
.5 VI
P90
FRONT POWER
DISTRIBUTION BOX
4 X51
FUSE DETAILS
0670.3
2X515
.75 SW
.5 SW/BL
A6000
ENGINE CONTROL
MODULE (DME)
K19
COMPRESSOR
CONTROL RELAY
X600074
X204
.5 SW/BL
K21
NORMAL SPEED
RELAY
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
30 86
87 85
X525
B9508
PRESSURE
SWITCH 85b
X163
X1022
.5 SW/GR
.5 SW/GE X10018
18X1001612
F397.5AF165A
2
12
34
5 X18350S221
EVAPORATOR
CONTROLLER
1 X10241M ROADSTER
1 VI
M ROADSTER
Z3 ROADSTER






ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
.5 VI/GR
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X102454
7
9 24
82
3
.35 WS/SW
18
.5 GN
Ti
5
A52
SLIP CONTROL
MODULE
(ABS/ASC)

31A6000
ENGINE CONTROL
MODULE (DME)
1) DRIVE–AW AY
PROTECTION X6000
19
5 X10054
.5 SW/VI
6 X20
3 X18350
S221
EVAPORATOR
CONTROLLER
.5 WS/RT/GE 4 X1659
.5 WS/SW
1
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)

2.5 GN
81
X69
7
X1171
25X6000
45
5
26 .5 WS/GR/GE
80
6
4
.5 WS/GN .5 WS/GR
.5 WS/RT/GE .5 WS/GR/GE .5 WS/GN .5 WS/GR
15
15 .5 BR/RT
.5 BR/RT
3131
A35y
BOARD
COMPUTER
(BC – LOW)

X183492
S220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY

X189
9X20
1 SW/VI 1 SW/VI
1 SW/VI
Z3 ROADSTER