Page 63 of 383
CONVERTIBLE
MECHANICAL
CONVERTIBLE TOP.35 BR
.5 BRX1245
1S77
DRIVER’S MAKE–
UP MIRROR
SWITCH
E34
FRONT DOME
LIGHT/MAP READ-
ING ASSEMBLY
.5 BR
X13003
2.5 BRX272
2E62
RIGHT FRONT
FOOTWELL LIGHT
X745
1
A56
TILT/SLIDE SUN-
ROOF CONTROL
ASSEMBLY
.5 BR
X495
X12461S78
PASSENGER’S
MAKE–UP MIRROR
SWITCH
.75 BR.75 BR
X7481
.5 BR
X3364
4 BR
X102232M43
CONVERTIBLE TOP
STORAGE LID
LOCK MOTOR
1.5 BR
1
.75 BR
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X13252
15
4 BR .75 BR
X2561
.75 BR
X132588A5
RELAY MODULE
2.5 BR
X102252S213
LUGGAGE
COMPARTMENT
LID MICRO SWITCH
.75 BR
WITH ZKE
4 BRCONVERTIBLE.35 BRX10267
2S303y
TOP HIFI SWITCH
E61
LEFT FRONT
FOOTWELL LIGHT
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 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 77 of 383
GROUND DISTRIBUTIONCONVERTIBLE
GROUND X13230
X1304411N24
ROLLOVER
SENSOR
X13230
2S143
CONVERTIBLE TOP
ACTUATING
SWITCH
X130791S164
CONVERTIBLE TOP
END–POSITION MI-
CRO 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 78 of 383
BLOCK DIAGRAM
0670.5 DATA LINK
SUPPLEMENTAL
RESTRAINT
SYSTEM (AIR BAG)
3234.0
CENTRAL BODY
ELECTRONICS
(ZKE IV)
6100.0
INSTRUMENT
CLUSTER
6211.0
ON–BOARD
COMPUTER (BC V)
6581.2
TXDRXD
D100
DATA LINK
CONNECTOR
INTEGRATED
CLIMATE
REGULATION
(IHKA E36)
6450.7
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2
SLIP CONTROL
(ABS/ASC)
3450.1
ZKE CENTRAL
LOCKING (ZV)
5126.0 ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER M52)
1210.17ENGINE CONTROL
SYSTEM
(DME M5.2, 4–CYL-
INDER M44)
1210.20
ELECTRICAL
CONVERTIBLE TOP
5430.1
DRIVE–AW AY
PROTECTION
(EWS II)
6135.0
CRUISE CONTROL
(TEMPOMAT)
6571.0
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A5S 310Z)
2460.4
Page 80 of 383
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
TXD
7 X1171
36 X1170
N24
ROLLOVER
SENSOR X13044TXD .35 WS/VI
20
318i
Page 81 of 383
DATA LINK
RXD, PIN 15
X6002
15 X6863
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X1315916A96
CONVERTIBLE TOP
CONTROL MODULE
RXDX1611A2w
INSTRUMENT
CLUSTER
RXD
X10717N4
ON–BOARD
COMPUTER
X600087A6000
ENGINE CONTROL
MODULE (DME)
RXD
X2016
9 X10182
D100
DATA LINK
CONNECTOR X182
.5 WS/GE .5 WS/GE .5 WS/GE .35 WS/GE .35 WS/GE
.35 WS/GE
.5 WS/GE
.5 WS/GE
RXDRXDRXD
X8500
.5 WS/GE.5 WS/GE A8500
TRANSMISSION
CONTROL MODULE
(EGS)
RXD
A52
SLIP CONTROL
MODULE
(ABS/ASC)
X1171
8
87
X441
.5 WS/GE
X13
17
.5 WS/GE
318i318i 323i, 328i, M3
Page 170 of 383

2 X747
X449
ZKE CENTRAL LOCKING (ZV)
P90
FRONT POWER
DISTRIBUTION BOX
31
31
.35 BR/SW 4
30 S49
PASSENGER’S
DOOR LOCK
SWITCH
0) OFF
1) UNLOCK
102 X742
10 X256
X7421 X10015
14
.75 RT/SW
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
F75A
0
1
X1001810
FUSE DETAILS
0670.3F35
25A
.35 WS/RT
FUSE DETAILS
0670.3
31
TXD
7 X13253
S47
DRIVER’S DOOR
LOCK SWITCH
0) OFF
1) UNLOCK
10 X257
X7471
.5 WS/RT0
1
.35 WS/RT
13 .35 WS/RT11 1.5 VI/SWINTERIOR LIGHTS
6330.3
31
18
9
.5 WS/GE
11
.5 WS/VI
DATA LINK
0670.5RXD
.35 RT/GN .35 RT/GN
X10182
X13252
X495
X13252
GROUND
DISTRIBUTION
0670.4
15
X10182.5 GN/WS/GE
X13006
30
2 X10227
S214
CONVERTIBLE TOP
STORAGE LID MI-
CRO SWITCH
1) LID CLOSED
2) LID OPEN 1 X10227
GROUND
DISTRIBUTION
0670.41 2 4 X13254
X10229
5126.0-01.5 GN/WS/GE .5 GN/WS/GE
.5 WS/RT
.5 SW/GN30
15X10182
POWER
DISTRIBUTION
0670.2
.5 RT/GN .5 RT/GNX256
11X25711
S302
CENTRAL LOCKING
SWITCH 4
1
0
1
.35 RT/GN/GE.35 RT/GN
X13253
19
X12923
X13006
GROUND
DISTRIBUTION
0670.4 2 X1292
.35 GR/RT
LIGHT SWITCH
DETAILS
6300.0
X7434
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE