Page 74 of 386
(PARTIAL)
X7091 X710
1
.75 BR X638
1
X6036S51
DRIVER’S SEAT,
SEAT CONTROL
SWITCH
X7131B17
RIGHT REAR
BRAKE PAD
SENSOR
2.5 BRM2
FUEL PUMP.5 BRX352
1S14
DRIVER’S DOOR
JAMB SWITCH
X13007
.5 BRX840
2.5 BR
E44
RIGHT LICENSE
PLATE LIGHT
E43
LEFT LICENSE
PLATE LIGHT
X2751 2.5 BR
2.5 BR
.75 BR
GROUND X13006
$%%%%&GROUND DISTRIBUTION
1 BRX400
2
E40
RIGHT REAR
INTERIOR LIGHT
2) INTERIOR
LIGHT
3) READING
LIGHT
.75 BR
X47702
1M55z
DRIVER’S SEAT
LUMBAR SUPPORT
MOTOR/VALVEX1813531.5 BR1.5 BR
0670.4-17
TELEPHONE
CONNECTOR
LUGGAGE
COMPARTMENTX1292
3
S302
CENTRAL LOCKING
SWITCH
0670.4-19
32X4771
.75 BR .75 BR .35 BR
23E39
LEFT REAR
INTERIOR LIGHT
2) INTERIOR
LIGHT
3) READING
LIGHT
.75 BR
3
TWO–DOOR ONLY
2 3
Page 76 of 386
6–SPEAKER
SYSTEM1.5 BR
GROUND DISTRIBUTION
GROUNDS X13009, X13016, AND X18723
$%%
%%&
1 BR/OR
X10759A4
CHECK CONTROL
MODULE
.5 BR/OR
X13009
X6053A18
HIFI AMPLIFIERX18126
15N9
RADIO
2.5 BR
X13016
2.5 BRX824
X13011
X130253N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
.75 BR/OR
1.5 BR
X12401S125
LEFT REAR DOOR
CONTACTX12391S124
RIGHT REAR DOOR
CONTACT
X102182A113
SEAT OCCUPANCY
DETECTOR
.5 BR/OR.5 BR/OR .5 BR/OR
X7781S58
DRIVER’S SEAT
BELT SWITCH
X185181S59
PASSENGER’S
SEAT BELT SWITCH
.35 BR/OR .35 BR/OR
B78
DRIVER’S SIDE
IMPACT SENSOR
X18851
B79
PASSENGER’S
SIDE IMPACT
SENSOR
X18861.35 BR/OR
.35 BR/OR
X18723
CONVERTIBLE
Page 77 of 386
GROUND DISTRIBUTIONCONVERTIBLE
GROUND X13230
$%%
%%&
X1304411N24
ROLLOVER
SENSOR
X13230
2S143
CONVERTIBLE TOP
ACTUATING
SWITCH
X130791S164
CONVERTIBLE TOP
END–POSITION
MICRO SWITCH
.35 BR/OR.35 BR/OR
X13229
X130451
.35 BR/OR .75 BR/OR
X1315925A96
CONVERTIBLE TOP
CONTROL MODULE
.5 BR/OR1S165
CONVERTIBLE TOP
POSITION MICRO
SWITCH
.35 BR/ORX131523
.35 BR/OR
1 BR/OR
X113862S231
WINDSCREEN
COWL PANEL LOCK
MICRO SWITCH
X113852
.5 BR/GE
.35 BR
BR
Page 80 of 386
DATA LINK
TXD, PIN 20
$%%
%%&
X183
A8
CRUISE CONTROL
MODULE
(TEMPOMAT) TXD
X2217X13
18
X442
.35 WS/VI
A96
CONVERTIBLE TOP
CONTROL MODULE X13159
X74
TXDTXD .5 WS/VI.5 WS/VI .5 WS/VI
49
.5 WS/VI
11 X10182
.5 WS/VI
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
0670.5-01
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE (PARTIAL)
A52
SLIP CONTROL
MODULE
(ABS/ASC) TXD
.35 WS/VI
A202
ABS CONTROL
MODULE/HY-
DRAULIC UNIT TXD
X113947 .35 WS/VI
TXD
7 X117136X1170
N24
ROLLOVER
SENSOR X13044TXD .35 WS/VI
20
318is
Page 85 of 386
DATA LINK
DATA LINK CONNECTOR, PIN 19
$%%
%%&
34324X600028
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
2.5 BR 2.5 BR 2.5 BRA6000
ENGINE CONTROL
MODULE (DME)
X6458
28 X7000
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X6459
B6207
HOT FILM AIR
MASS METER
X62071
X6454
1.5 BR/OR19
X6002D100
DATA LINK
CONNECTOR .5 BR
6 BR1.5 BR
4 BR/OR.5 BR/OR 2.5 BR/OR
X6492
34
1.5 BR/OR
X8500
.5 BRK6326
UNLOADER RELAY,
TERMINAL 15
X63264
323i, 328i, M3
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
K6304
SECONDARY AIR
PUMP RELAY
X63045
.35 BR
Page 86 of 386
DATA LINK CONNECTOR, PIN 19
$%%
%%&
DATA LINK
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
X850034 6
1.5 BR
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
28
1 BR
X6462
X6492
6 BR
X6002
19
X6454
B6209
HALL EFFECT CAM-
SHAFT SENSOR
A6000
ENGINE CONTROL
MODULE (DME)
X600034 28
2.5 BR
1.5 BR
6
2.5 BR55
2.5 BR
X6463
4 BRD100
DATA LINK
CONNECTOR
B6217
HOT FILM AIR
MASS METER
1.5 BR
W6203
CRANKSHAFT
POSITION/RPM
SENSOR SHIELD
X6460
1.5 BR 1.5 BRX6217
1
X6209
3
.5 BR
1.5 BR
.5 BRK6326
UNLOADER RELAY,
TERMINAL 15
X63264
.5 BR
318is
K6304
SECONDARY AIR
PUMP RELAY
X63045
.35 BR
Page 88 of 386

617872
557670B62101
OXYGEN SENSOR I
(IN FRONT OF
CATALYTIC
CONVERTER)
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
1614
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
X6000
88
A115
AUTOMATIC
CLIMATE CONTROL
MODULE
TXD 2
B8y
PRESSURE
SWITCH
1210.17-02
+
– G6430
B+ JUMP START
JUNCTION POINT
D100
DATA LINK
CONNECTOR 1210.17-00
F165AP90
FRONT POWER
DISTRIBUTION BOX 1210.17-08
74K19
COMPRESSOR
CONTROL RELAY
1210.17-08
M2
FUEL PUMPK6301
CYL. 1–6 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
Y6120
EVAPORATIVE
EMISSION VALVE
Y6275
VARIABLE CAM-
SHAFT CONTROL
VALVE 1
Y6163
SECONDARY AIR
PUMP VALVE
Y6550
SOLENOID VALVE
(”RUNNING
LOSSES”)
23 50 3321+
–
+
–
B9508
PRESSURE
SWITCHX6000
65
B6240
KNOCK SENSOR 1210.17-06
5963
19A115
AUTOMATIC
CLIMATE CONTROL
MODULE 1210.17-09
8081
A52
SLIP CONTROL
MODULE
(ABS/ASC)
1210.17-00
M6506
E–BOX FAN 1210.17-041210.17-04
5479 77 7120
A2w
INSTRUMENT
CLUSTER 1210.17-10
463649
Y6133
AIR PUMP 1210.17-05
SPARK PLUGS
Y198
EXHAUST GAS
FLAP VALVE
51K6304
SECONDARY AIR
PUMP RELAY
K6326
UNLOADER RELAY,
TERMINAL 15
35
G6430
B+ JUMP START
JUNCTION POINT1210.17-02
11 4 0
B72
FUEL TANK
PRESSURE
SENSOR 1210.17-1032 34443641582415758
B6203
CRANKSHAFT
POSITION/RPM
SENSOR 1210.17-06
3883 48
53 27Y6130
IDLE SPEED
CONTROL VALVE 1210.17-015 6681210.17-01
1210.17-0560
D100
DATA LINK
CONNECTOR1210.17-02
1210.17-09
10
1210.17-08
1210.17-081210.17-09
6952
86
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
A7000
TRANSMISSION
CONTROL MODULE
(EGS)
85
1210.17-07
9
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II) 1210.17-09
1210.17-07
1210.17-05
P90
FRONT POWER
DISTRIBUTION BOX
A8500
TRANSMISSION
CONTROL
MODULE (EGS)1210.17-00
25 75 67Y199
CARBON
CANISTER VALVE
X6000
X2
B62201
OXYGEN SENSOR II
(IN FRONT OF
CATALYTIC
CONVERTER)
B62102
OXYGEN SENSOR I
(BEHIND
CATALYTIC
CONVERTER)
B62202
OXYGEN SENSOR II
(BEHIND CATALYTIC
CONVERTER)1210.17-10
1210.17-09
5628
328i, M3
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)
Page 89 of 386

%%&
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)Instrument cluster
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 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