1999 BMW Z3M COUPE air condition

0100.0 INDEX














ABS HYDRAULIC UNIT, Y1w 3450.1-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 6450.6-06. . . . . . . . . . . . . . . . . . .
AIR CONDITIONING RELAY, MOTRONIC, K33a 6450.6-04. . . . . . . . . . . . .
AIR CONDITIONING/RECIRCULATING SWITCH ASSEMBLY,
S220 6450.6-01. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR CONDITIONING/RECIRCULATING SWITCH ASSEMBLY,
S220 6450.6-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6133 1210.17-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR PUMP, Y6133 1210.25-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ANALOG CLOCK, N5 6211.0-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 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 2460.2-04. . . . . . . . .
AUXILIARY FAN MOTOR, M9 6450.6-03. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FAN MOTOR, M9 6450.6-07. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P95 0670.2-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY FUSE BOX, P97 0670.2-06. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUXILIARY THROTTLE POSITION MOTOR (ADS), M93 3450.1-02. . . . . AUXILIARY THROTTLE POSITION SENSOR, R31 3450.1-02. . . . . . . . . . .
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 0670.2-05. . . . . . . . . . . . . . . .
B+ JUNCTION POINT E–BOX, G6400 0670.2-01. . . . . . . . . . . . . . . . . . . . . .
B+ JUNCTION POINT, G7512 0670.2-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 0670.2-05. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER MOTOR, M30 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RELAY, K4 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER RESISTORS, R11 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6450.6-00. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER SWITCH, S75 6450.6-04. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BOARD COMPUTER (BC – LOW) 6581.3-00. . . . . . . . . . . . . . . . . . . . . . . . .
BOARD COMPUTER (BC – LOW), A35y 6581.3-00. . . . . . . . . . . . . . . . . . . .
BODY ELECTRONICS CONTROL MODULE (ZKE IV), A104 6100.0. . . . .
BRAKE FLUID LEVEL SWITCH, B18 6211.0-00. . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT SWITCH, S30 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT, LEFT, H24 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHT, RIGHT, H31 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE LIGHTS 6325.0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE PAD SENSOR, LEFT FRONT, B16 6211.0-01. . . . . . . . . . . . . . . . . .
BRAKE PAD SENSOR, RIGHT REAR, B17 6211.0-01. . . . . . . . . . . . . . . . . .

K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV)


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












K2
HORN RELAYK47
FRONT FOG LIGHT
RELAYK16
HAZARD FLASHER
RELAYK4
BLOWER RELAY
K94
ENGINE CONTROL
RELAY (ABS/ASC)K95
VALVE RELAY
(ABS/ASC)K22
HIGH SPEED
RELAYK19
COMPRESSOR
CONTROL RELAYK21
NORMAL SPEED
RELAY X56X44X64X58
X63X18766X18767
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 15X1376
M VERSIONS K33a
AIR CONDITIONING
RELAY, MOTRONICX50
** *
*
**
M COUPE
**

1.5 BRS221
EVAPORATOR
CONTROLLER
.75 BR


GROUND DISTRIBUTION
GROUND X9633











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
MOTORS220
AIR CONDITION-
ING/RECIRCULAT-
ING SWITCH
ASSEMBLY
X183491
1.5 BR
M VERSIONS

.5 BR.5 BR
.5 BR










H1w
ANTI–THEFT HORN
(ALPINE)
3
X3721
X63
4
1.5 BR X10008
1 BR
A2w
INSTRUMENT
CLUSTER
X17
21
.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 BR
1.5 BRX1107
X705M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)
K9
UNLOADER RELAY,
TERMINAL 15
.75 BR
1.5 BR6 BRX189941
S235
STARTER
IMMOBILIZATION
SWITCH
.35 BR ROADSTER
4
K33a
AIR CONDITIONING
RELAY, MOTRONIC
.5 BRX50
K46z
DAY LIGHT RELAY
MODULECDN

1
.75 RT/
WS


GROUND DISTRIBUTION
GROUND X13004










1.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
2 BR
X13004
4 BR
X2791
2 BR
X99952K911
PASSENGER’S
SEAT LENGTH AD-
JUST CUT–OFF
RELAY
X9997
K910
PASSENGER’S
SEAT TILT ADJUST
CUT–OFF RELAY
7X9995
1.5 BR
X99942S911
PASSENGER’S
SEAT LIMIT
SWITCH
.5 BR
S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
2 BR
X11357
1.5 BR
WITH SPORT SEAT WITHOUT SPORT SEAT
2.5 BR
S221
EVAPORATOR
CONTROLLER
X1005431
2.5 BR .5 BR/WS
.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
Y6
PASSENGER’S
SIDE MIRROR
.5 BR
X6244
X942
M23
PASSENGER’S
WINDOW MOTOR
X7443
.5 BR
.5 BR
X2561
X390
H8
RIGHT FRONT
AUXILIARY TURN
LIGHT
.5 BR
E800
FRONT LEFT
INTERIOR
LIGHT
X336
X3571
X190181
1.5 BR
X1620
S13
PASSENGER’S
DOOR JAMB
SWITCH
X3511
.5 BR .5 BR
2.5 BR 2.5 BR
Z3 VERSIONS
S38y
TILT SUNROOF
SWITCH
X6435
1.5 RT
COUPE
E34
FRONT DOME
LIGHT/MAP
READING
ASSEMBLY
X93362
ROADSTER COUPE
.5 BR2

45
B6204
CAMSHAFT
POSITION SENSOR
(CYLINDER
IDENTIFICATION) 1210.17-06





A6000
ENGINE CONTROL
MODULE (DME) 1210.17-00
7387
1210.17-02
B6207
HOT FILM AIR
MASS METER K6300
ENGINE CONTROL
MODULE RELAY
8726Y6101
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
18
161456
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
1210.17-021210.17-05
A837
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS III) 1210.17-08
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
S221
EVAPORATOR
CONTROLLER 1210.17-08
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 PUMPK6301w
FUEL PUMP RELAY
1210.17-041210.17-04
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 50 3368+
–
+
–
B9508
PRESSURE
SWITCHX6000
X6000
65
B6240
KNOCK SENSOR 1210.17-06
5963
S220
AIR CONDITIONING/
RECIRCULATING
SWITCH ASSEMBLY 1210.17-08
9
8081
A52
SLIP CONTROL
MODULE
(ABS/ASC)
1210.17-00
M6506
E–BOX FAN 1210.17-00
B62201
OXYGEN SENSOR II (IN
FRONT OF CATALYTIC
CONVERTER) 1210.17-04
7977715425 75 6720
A2w
INSTRUMENT
CLUSTER 1210.17-09
463649
Y6133
AIR PUMP 1210.17-05
F135A
SPARK PLUGS
B6247
CHARCOAL FILTER
SHUT–OFF VALVE
511210.17-09
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 1210.17-0932 34443641582415758
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.17-06
3883
53 27Y6130
IDLE SPEED
CONTROL VALVE 1210.17-015 6211210.17-01
1210.17-05
60
D100
DATA LINK
CONNECTOR1210.17-02
1210.17-08
10
1210.17-07
1210.17-071210.17-08
69
2852
NOT USED
1210.17-02
61 55
78 76
72 70
NOT USED B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)
B62101
OXYGEN SENSOR I (IN
FRONT OF CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND CATALYTIC
CONVERTER)
EARLY
PRODUCTION
48
LATE
PRODUCTION
X6000
X6000
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)



Pin Assignments





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)Not used
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
15ESpeed signal right rearABS/ASC control module
16EActivate A/CPressure switch
17Not used
18EDrive away protection signal (code)Electronic immobilizer control module
(EWS III)
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 I (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 S52)
1









6
FUSE DETAILS
0670.3
X600016
4 X10054
X1271
4 X127
A6000
ENGINE CONTROL
MODULE (DME)
.5 SW/GR
X20
5
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
1
Y2
AIR CONDITIONING
COMPRESSOR
1) NORMAL
TEMPERATURE
2) HIGH
TEMPERATURE
3086
8785
B9508
PRESSURE
SWITCH
X10241
.5 SW/GE
1 VI X10018
18X1001612
F397.5AF165A
2
12
34
5 X18350S221
EVAPORATOR
CONTROLLER
M VERSIONS