Page 70 of 383
M35
.35 BR
E28
FRONT CIGAR
LIGHTER
X386
1
GROUND DISTRIBUTION
GROUND X10012
.35 BR
X12131 E29
FRONT CIGAR
LIGHTER LIGHT
.5 BR
.5 BRE28y
REAR ASHTRAY
LIGHT
X5321E25
FRONT ASHTRAY
LIGHT
2
S8503
PROGRAM SWITCH
X8503
X1014
1
X10064
.5 BR
4 BR2.5 BR
0670.4-15
WITH EGS
S6
ASC SWITCH
X521
4
.35 BRX2857
2.5 BR
6 X19561
S5
WIPER/WASHER
SWITCH
X295
1
A51
WIPER/WASHER
MODULEE45y
CASSETTE BOX
LIGHT
X706
1
.75 BR
.75 BR .5 BR
WIPER/WASHER
(HIGH)
Page 71 of 383
. 35 BR
X107113
GROUND DISTRIBUTION
X183363
GROUND X10012
.5 BR 21.75 BRX542
2
.5 BRX516
3S18
HAZARD SWITCH
. 5 BRE42
GLOVE BOX LIGHT. 5 BRS21w
ENGINE HOOD
SWITCH X779
CHARGING SOCK-
ET
1 X371
1
E82
TRANSMISSION
POSITION INDICA-
TOR LIGHT X1193
4 BR
X10012
X218
0670.4-144 BR
X6714N2
FINAL STAGE UNIT
X8161M30
BLOWER MOTOR
23
X1527
N10
MULTI–FUNCTION
CLOCK
X1070
17
.5 BR
N4
ON–BOARD
COMPUTER
2.5 BR.5 BR .5 BR 2.5 BR
X818
2.5 BR
X359
.75 BR
A35
ON–BOARD
DISPLAY
X133052 TELEPHONE
CONNECTOR
CENTER
CONSOLEA115
AUTOMATIC
CLIMATE CONTROL
MODULE
WITH HR WITH IHKA
2.5 BR
N5
ANALOG CLOCK
X1155
2
.5 BR
Page 72 of 383
GROUND DISTRIBUTION
GROUNDS X11166 AND X13004
X3511S56
PASSENGER’S
SEAT, SEAT
CONTROL SWITCH
.5 BR
X6046
S13
PASSENGER’S
DOOR JAMB
SWITCH
2.5 BR
X13004
X13005
2.5 BR
1C900
SUPPRESSION
FILTER
X380
X2791
2.5 BR
2.5 BRE59
PASSENGER’S
SEATBACK HEATER
X7411
.5 BR
X7401E40
RIGHT REAR
INTERIOR LIGHT
.5 BRX355
2 E58
PASSENGER’S
SEAT HEATER
.75 BR
3X47702
2.5 BR
6A96
CONVERTIBLE TOP
CONTROL MODULE
X13156
.75 BR .75 BR
X11166CONVERTIBLE
E40
RIGHT REAR
INTERIOR LIGHT
2) INTERIOR
LIGHT
3) READING
LIGHT 32
E9
REAR DEFOGGER I
Page 73 of 383
H34z
HIGH LEVEL STOP
LIGHT/REAR
SPOILER
1
1.5 BR
E46
LEFT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
X3552E40
RIGHT REAR
INTERIOR LIGHT
4 BR
X13006
H24
LEFT BRAKE LIGHTH27
LEFT BACK UP
LIGHT
H25
LEFT TAIL LIGHT H6
LEFT REAR TURN
LIGHTH37
LEFT TAIL LIGHT
X3191
H28
RIGHT BACK UP
LIGHT H5
RIGHT REAR TURN
LIGHT
H31
RIGHT BRAKE
LIGHT H30
RIGHT TAIL LIGHTH39
RIGHT TAIL LIGHT
X318
5
X4131H34
HIGH LEVEL STOP
LIGHTE47
RIGHT LUGGAGE
COMPARTMENT
LIGHT ASSEMBLY
1.5 BR .75 BR
GROUND X13006
GROUND DISTRIBUTION
X3801C900
SUPPRESSION
FILTER
E9
REAR DEFOGGER I
2.5 BR
H26
LEFT REAR FOG
LIGHT
CDN
(PARTIAL)
X7331E57
DRIVER’S SEAT
HEATER
.5 BR
X11277
X3562E39
LEFT REAR
INTERIOR LIGHT
.75 BR
X7321E56
DRIVER’S SEAT-
BACK HEATER
.5 BR
X13007
(PARTIAL)
0670.4-18
.5 BR
X18921N22
CD CHANGER
.5 BR 0670.4-19
Page 74 of 383
(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
2
3E39
LEFT REAR
INTERIOR LIGHT
2) INTERIOR
LIGHT
3) READING
LIGHT
.75 BR
3
2 3
Page 75 of 383
GROUND DISTRIBUTION
GROUND X13006
X131595A96
CONVERTIBLE TOP
CONTROL MODULE
X13006
X131431S196
REAR WINDOW
BLOWER MICRO
SWITCH
.5 BR
E99
HARD TOP
CONNECTOR 1 .5 SW/BL
X112091
X112111
.5 BR
X3561E39
LEFT REAR
INTERIOR LIGHTX3551E40
RIGHT REAR
INTERIOR LIGHT
X3801E9
REAR DEFOGGER I
.5 BR .5 BR 2.5 BR
X11210
E99
HARD TOP
CONNECTOR 1 2.5 BR
X11211
2
X11209
2
2.5 BR
M105
REAR WINDOW
BLOWER
2.5 BR
X131422
(PARTIAL)
CONVERTIBLE
S214
CONVERTIBLE TOP
STORAGE LID MI-
CRO SWITCH
X102271
S13
PASSENGER’S
DOOR JAMB
SWITCH
X3511
0670.4-17 0670.4-18
.5 BR
X13007
(PARTIAL) .5 BR
4 BR
Page 121 of 383

S30
BRAKE LIGHT
SWITCH
8
S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
S8503
PROGRAM SWITCHA8500
TRANSMISSION
CONTROL MODULE
(EGS)
L1 L2 L3 L4
54
87
K6300
ENGINE CONTROL
MODULE RELAY 2460.2-06
F285A
2625
2460.2-00
36379
RXD
TXD 87
X8500
88
2460.2-03
48
F2610AP90
FRONT POWER
DISTRIBUTION BOX
1327
NOT USED20 4518
S8507
KICK–DOWN
SWITCH346
##
# #
X6410
B+ JUNCTION
POINT
F4615AP90
FRONT POWER
DISTRIBUTION BOX
N4
ON–BOARD
COMPUTER
10
MA
X8500
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)S29
BRAKE LIGHT
SWITCH N10
MULTI–FUNCTION
CLOCK EGS
19A52
SLIP CONTROL
MODULE
(ABS/ASC) 2460.2-06
A6000
ENGINE CONTROL
MODULE (DME) 2460.2-06
4012 17
NOT USED
K19
COMPRESSOR
CONTROL RELAY
4685
A4S 270R
2460.2-00
2460.2-03
A2w
INSTRUMENT
CLUSTER
2460.2-02
85
21530 33 4 32
Y8505
TRANSMISSION
VALVE UNIT
Y8505y
TRANSMISSION
VALVE UNIT
2525314
60828357A8
CRUISE CONTROL
MODULE
(TEMPOMAT) 2460.2-06
2460.2-01
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)2460.2-032460.2-05 2460.2-04 2460.2-05 2460.2-04
2460.2-05 2460.2-04
DATA LINK
0670.5
428628
2460.2-02
A52
SLIP CONTROL
MODULE
(ABS/ASC)
2460.2-022460.2-05 2460.2-04318i Y19
SHIFT–LOCK
2460.2-07 2460.2-012460.2-05 2460.2-04
328i 318i
55
318i323i, 328i, M3
X8500
1522
PGS
2460.2-02
A35
ON–BOARD
DISPLAY
318i X6411
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
W8516
SHIELD UP TO
10mm BEFORE
ELECTRONIC
TRANSMISSION
OUTPUT SHAFT
SPEED SENSOR
(EGS)
318i
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)
Page 122 of 383

Pin Assignments
E = Input, A = Output, M = Ground
X8500
Pin Type Description/Function Connection
177
Not used
178AShift-lock solenoid controlShift-lock
179Not used
180ABand solenoidTransmission valve unit (318i)
4ASolenoid valve 3 control (–)Transmission valve unit (323i, 328i)
181AHydraulic pressure regulator control (–)Transmission valve unit
182MGroundGround point (318i)
183Not used
184EGear range signal L2Automatic transmission range switch
185EGear range signal L4Automatic transmission range switch
186EBrake pedal positionBrake light switch
187Not used
188ESport mode signalNot used
189EManual mode signalProgram switch
190EOutput speed (–)Transmission valve unit
191MGround for shieldShield for speed sensor
192Not used
193AS-program indicationNot used
194EKick-down signalKick-down switch
195EASC signalASC-module (323i, 328i)
196EAutomatic mode signalProgram switch
197EOil temperature signal (–)Transmission valve unit
198EOil temperature signal (+)Transmission valve unit
199Not used
200Not used
201AFault indicator signalInstrument cluster
202EBattery voltageB+ jump start junction point
203AM-program indicationProgram switch
204MGroundGround point
205Not used