1998 BMW Z3M ROADSTER ignition



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Pin Assignments
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
11 7
AIdle speed control valve controlIdle speed control valve
11 8AOxygen sensor heatingOxygen sensor (in front of catalytic
converter)
11 9AActivate valveCyl. 3 fuel injection valve
120AActivate valveCyl. 2 fuel injection valve
121Not used
122MGround, remaining output stages (except
for ignition and fuel injection valves)Ground point
123Not used
124AA/C compressor cut-outCompressor control relay
125Not used
126Not used
127Not used
128ECyl. 3-4 knock sensorKnock sensor
129Not used
130ETI-measurement signal (fuel consumption)Instrument cluster
131Not used
132EThrottle positionThrottle position sensor
133ESignal inputHot film air mass meter
134MSensor groundOxygen sensors
135Not used
136Not used
137ACyl. 1 ignition coil controlCyl. 1 ignition coil
138ACyl. 2 ignition coil controlCyl. 2 ignition coil
139Not used
140Not used
141AComponent supply (+)Throttle position sensor/fuel tank pressure
sensors
142EBattery voltage from engine control module
relayEngine control module relay, terminal 87
143MGround, ignitionGround point
144EIgnition switch, terminal 15Ignition switch, terminal 15
145AActivate auxiliary fanNormal speed relay

ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)
IGNITION COILS AND FUEL PUMP
 !""



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X203
2.5 GN
2.5 GNS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
POWER
DISTRIBUTION
0670.2
7 2.5 GN
21X20
X33
1 X209
15






2
10
3
85 86
87 30
K6326
UNLOADER RELAY,
TERMINAL 15
2 6 8 X6326
56
4X6326
63 X6000
A6000
ENGINE CONTROL
MODULE (DME)
2.5 RT
POWER
DISTRIBUTION
0670.2
G6430
B+ JUMP START
JUNCTION POINT
2.5 GN
X6454
GROUND
DISTRIBUTION
0670.4
X6832
85 86
87 30
K6301w
FUEL PUMP RELAY
4 8 6 X6301
2X6301
6 14
5 X1001616X10016
M2
FUEL PUMP
F135AF1815A
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
4 X6500
X13032
GROUND
DISTRIBUTION
0670.4
1X6500
X6433
2.5 GN
.5 GN
.5 GN1 RT/WS
.5 RT/WSX20
.5 BR/GN
X20
13
.5 GN/VI2.5 GN/VI 1210.20-00
B6247
CHARCOAL FILTER
SHUT–OFF VALVE 2 X6247
1X6247
2X6031
65
.5 GN/BL
.5 GN/BLFUSE DETAILS
0670.3

 !""



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2.5 GN
3 X61513 X61523 X6154
1T6151
CYL. 1 IGNITION
COILT6152
CYL. 2 IGNITION
COILT6154
CYL. 4 IGNITION
COILX6151
3 X6153
1T6153
CYL. 3 IGNITION
COIL
2X615321 X615221 X6154
1 GN 1 GN
2
W6165
SHIELD UP TO
10mm BEFORE
IGNITION COIL
CONNECTOR
49
X6456
GROUND
DISTRIBUTION
0670.4
5022
X6456
GROUND
DISTRIBUTION
0670.4
23
1 BR 1 BR1 GN
1 WS 1 RT 1 GESPARK PLUGS 1 GN
A6000
ENGINE CONTROL
MODULE (DME)1 BR 1 BR
1 BL
175X61506
2 X6150
2.5 GN
X6454
X6000
1.5
WS1 .5 RT 1.5 GE 1.5 BL
X6833
31 31 31 31

1230.0 CHARGING SYSTEM !""



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1.5 BL
G6509
GENERATORB+
D+
A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
POWER
DISTRIBUTION
0670.2
X7509
X6509
.75 BL 10 RT
X213
X8004
.5 BL






X1100
1.5 GN
X60919
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
&#
&# &#
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
&#
&# &#
F2610A
6–CYLINDER4–CYLINDER
X1001712
FUSE DETAILS
0670.3
P90
FRONT POWER
DISTRIBUTION BOX
X6524
2
X65241


Z3 ROADSTER

CHARGING SYSTEM !""



#""$


A2w
INSTRUMENT
CLUSTER X175
X176S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X2091
7 X33
POWER
DISTRIBUTION
0670.2X203
2.5 GN
2.5 GN
.5 GN
.5 BL
X600212
D100
DATA LINK
CONNECTOR .5 BL
X2025
.5 BL
X400
3
.75 BL
X213
X8004
.5 BL






X1100
1.5 GN
1.5 BL
TELEPHONE
CONNECTOR
2
10
3
G6509
GENERATORB+
D+
POWER
DISTRIBUTION
0670.2
X6509
16 RT
&#
&# &#
X7509


A52
SLIP CONTROL
MODULE
(ABS/ASC) X117524
.75 BL
M ROADSTER

X1186






5 X209S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
4
 !""



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1240.0 START
.5 BR/SW16
5 X511
P90
FRONT POWER
DISTRIBUTION BOX POWER
DISTRIBUTION
0670.2 X0
X331 4 RT
4 RT
L2S3
AUTOMATIC
TRANSMISSION
RANGE SWITCH
0) OFF (LOW)
1) ON (HIGH)
X511
7
2.5 SW/GE
8 X33
P90
FRONT POWER
DISTRIBUTION BOX
FUSE DETAILS
0670.3 X2
16 RT
ELECTRONIC
TRANSMISSION
CONTROL
(EGS A4S 270R)
2460.2 POWER
DISTRIBUTION
0670.2
1
7
18 X20GROUND
DISTRIBUTION
0670.4
2.5 GN/SW
FUSE DETAILS
0670.3
2
35
A836
ELECTRONIC
IMMOBILIZER
CONTROL MODULE
(EWS II)
X1659
X10018
2.5 SW/GE 2.5 SW/GE
F315A
+#$#)
1 0
F285A
210
3
X1001730
3 X18994
S235
STARTER
IMMOBILIZATION
SWITCH
1) NORMAL
2) CLUTCH PEDAL
FULLY
DEPRESSED 2FUSE DETAILS
0670.3
12
F457.5A
1X18994
+"(&&
GROUND
DISTRIBUTION
0670.4 X1659
.35 BR/SW
9
X191
WITH EGS WITHOUT EGS
.5 BR/SW


#""$
Pin Assignments (6-Cylinder)
 !""





E = Input, A = Output, M = Ground
X1171
Pin Type Description/Function Connection
1
MGroundGround point
2EBattery voltageABS relay
3MGround, moduleGround point
4EIgnition cut-off signalDME module
5AEML signalDME module
6ATransmission influenceTransmission control module
7E/ATxD signalDiagnostic link
8ARxD signalDiagnostic link
9Not used
10ASensor groundRight rear speed sensor (ABS)
11ASensor groundRight front speed sensor (ABS)
12Not used
13AABS power protection relayABS power protection relay
14Not used
15ARight rear speed signalDME module
16ECurrentABS relay
17ALeft rear solenoid valve signalABS hydraulic unit
18ALeft rear solenoid valve signalABS hydraulic unit
19MGroundGround
20AADS step motor (–)ADS step motor
21AADS step motor (+)ADS step motor
22ARight front solenoid valve signalABS hydraulic unit
23EASC throttle flap potentiometer (–)ASC throttle flap motor potentiometer
24Not used
25ESignal idle speedDME module
26AThrottle flap positionDME module
27EASC switch signalASC switch
28Not used
29ASensor groundLeft rear speed sensor (ABS)
30ASensor groundLeft front speed sensor (ABS)


#""$
Pin Assignments (6-Cylinder)
 !""





E = Input, A = Output, M = GroundPin ConnectionDescription/Function Type
31
Not used
32EBrake signalBrake light switch
33EPlus supplyABS protection relay
34AABS lamp controlInstrument cluster
35EIgnition signalFuse 21
36ASolenoid valveABS hydraulic unit
37ARight front solenoid valve signalABS hydraulic unit
38Not used
39ARight rear solenoid valve signalABS hydraulic unit
40ALeft front solenoid valve signalABS hydraulic unit
41ESpeed signalDME module
42EASC throttle flap potentiometer (+)ASC throttle flap potentiometer
43EASC throttle flap signalASC throttle flap potentiometer
44AASC lamp controlInstrument cluster
45ERight rear speed sensor signalRight rear speed sensor
46ELeft rear speed sensor signalLeft rear speed sensor
47ERight front speed sensor signalRight front speed sensor
48ELeft front speed sensor signalLeft front speed sensor
49EPump motor sensor signalABS hydraulic unit
50EShield pump motor sensorABS hydraulic unit
51EPlus supplyFront power distribution box, fuse 10
52AABS pump motor relayABS pump motor relay
53Not used
54ALeft front solenoid valve signalABS hydraulic unit
55ALeft rear solenoid valve signalABS hydraulic unit