1999 BMW Z3M COUPE Electrical Troubleshooting Manual











0670.2 POWER DISTRIBUTION



P99
FUSE HOLDER X2
X8
F100200A
30
G1
BATTERY
16 RT 50 RT
16 RT
G6430
B+ JUMP START
JUNCTION POINT X6430
X6431
25 RT
G7512
B+ JUNCTION
POINT X9
F10180A
X1976
30
6 RT
F10280A
X1977
30
6 RT
F10380A
X1978
30
6 RT
F10480A
X1979
30
6 RT
F10580A
X1980
30
6 RT
F10650A
X1981
30
4 RT
F10750A
X1982
30
4 RT
F10880A
X10422
30
6 RT
M6510
STARTER X6512
16 RT
G6509
GENERATOR X6509
30 B+
1240.0 1230.0K6304
SECONDARY AIR
PUMP RELAY
2
X6304
0670.2-03
1
X89977
4 RT
0670.2-02 0670.2-04 0670.2-01
Z3 VERSIONS
1210.25










POWER DISTRIBUTION



G7512
B+ JUNCTION
POINT
F10880A
X10422
6 RT
K6300
ENGINE CONTROL
MODULE RELAY
G6400
B+ JUNCTION
POINT E–BOX
1
X64192
4 RT
6 X6300
2
A8500
TRANSMISSION
CONTROL MODULE
(EGS)
1 RT
26
X8500
2
X64101
A6000
ENGINE CONTROL
MODULE (DME)
1.5 RT
7
X60001
1
P98
FUSE HOLDER IN
E–BOX
2.5 RT
9
X8680
1
X64102
4 RT/WS5
2
X6300
87
30
4F202
30A
6F203
20A
4 RT/WS/GE4 RT/WS
8
1.5 RT/WSF204
30A
15 15 15
X868010
2.5 RTF205
30A 30
2
X6021
P90
FRONT POWER
DISTRIBUTION BOX
X100166F13
7.5A 15
5 X10016
Z3 VERSIONS
1.5 RT/WS
1.5 RT/WS
.75 RT/WS2.5 RT/WS
FUSE DETAILS
0670.3
X6961
1210.25 2460.2

X10015


X10015
1 RT/WS/GE







POWER DISTRIBUTION
161 X10030
P90
FRONT POWER
DISTRIBUTION BOX
F8
15A
FUSE DETAILS
0670.3
4 RT
18F9
20A
2 1 X10035
F117.5A
X45
6 X45K48
LOW BEAM LIGHT
RELAY
2
4F12
7.5A
2.5 RT/
WS1 GE/GN 1 GE/BL2.5 GE2.5 RT
65
F3
30A
2.5 RT/BR/GE2.5 RT
30
30 3056b 56b87
X1015
6 RT
18
17
F39
7.5A 30
.75 RT/GR2.5 RT




X10015
G7512
B+ JUNCTION
POINT
F10480A
X1979
6 RT
Z3 VERSIONS
F10580A
X1980
109 X10016
F1510A
X44
6 X44K47
FRONT FOG LIGHT
RELAY
2
1 GE/BR1 RT/GE2.5 RT
NSW87
X64119
10
9 X10015
F530A 30
2.5 RT/SW
14F7
5A
.75 RT/GN30
20F10
30A
2.5 RT/BL30
X1001820
19 X10018
F4030A 30
2.5 RT/GN2.5 RT
141 X10038
F3710A
16F38
30A
1.5 RT/BL 2.5 RT/GN
2.5 RT2.5 RT
30 30
X10016

K46z
DAY LIGHT RELAY
MODULECDN
2.5 RT/BR/GECOUPE X10018


X10015
1 RT/WS







POWER DISTRIBUTION
6 1 X10034
P90
FRONT POWER
DISTRIBUTION BOX
F33
10A
FUSE DETAILS
0670.3
6 RT
8F34
15A
181 X10036
F297.5A
X10262
6 X10262K46
HIGH BEAM LIGHT
RELAY
2
20F30
7.5A
1.5 RT/
WS/GE1 WS/GN 1 WS/BL 2.5 RT/WS2.5 RT
1211
F6
20A
2.5 RT/BR2.5 RT
30 56a 56a87
X64109
6 RT




X10015
G7512
B+ JUNCTION
POINT
F10280A
X1977
6 RT
Z3 VERSIONS
F10380A
X1978
20 19 X10016
F2030A
2.5 RT/GN4 RT
X64129
4F32
30A
2.5 RT/
SW/WS
10F35
25A
2.5 RT/
GN/GE
18 17 X10016
F1930A
30
14 X6002
2.5 RT
D100
DATA LINK
CONNECTOR
43
F2
10A
.75 RT/WS2.5 RT
30
2 1
F1
30A
4 RT/GE30
16 15
F18
15A
2.5 RT
8 7
F14
30A
2.5 RT/BL2.5 RT
F10180A
X1976
2F31
5A
.5 RT/GE
12F36
30A
2.5 RT/
BL/GE
2.5 RT 4 RT 2.5 RT
30 30 30 30 30 30
30 30 30
X10016X10016X10017
2.5 RT/GE

X10015X10016X10017
X10017


X10018
.5 GN/BL







POWER DISTRIBUTION
6 1 X10026
P90
FRONT POWER
DISTRIBUTION BOX
F23
5A
FUSE DETAILS
0670.3
2.5 GN
8F24
10A
30 29
F45
7.5A
.75 GN/
SW1.5 VI/WS
2625
F43
5A
.75 VI/WS
X223



Z3 VERSIONS
12 11 X10016
F165A
.5 GN/BL
4F22
5A
.5 GN/GE
10F25
5A
.5 GN/RT
28 27
F44
15A
1.5 VI/SW
2423
F42
15A
.5 VI/GN
22 21
F41
15A .5 VI
R
16 15
F28
5A
.5 GN/VI
14F27
5A
2F21
5A
12F26
10A
1.5 GN/WS
32 31 X10018
F4615A
1.5 VI/GE
X888
8 7 X10015
F415A
1.5 GN/GE2.5 GN
15
X203
X1100
8 2.5 SW/GE7
30
R
2 X33
50
6 .5 GN/WS15I
2.5 GN15
NOT USED5 X209
4 RT
2.5 GN/SWS2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X209
2 4 3 1
2.5 GN2.5 VI
2.5 VI8 X1805
A837
ELECTRONIC
IMMOBILIZER CONTROL
MODULE (EWS III)
1240.0
2
10
32
10
32
10
32
10
3
6135.1
G7512
B+ JUNCTION
POINT
F10650A
X1981
4 RT
X331
.5 GN .5 GN 1.5 GN
.5 VI .75 VI 1.5 VI 1.5 VI 1.5 VI
R R RRR
15 15 15 15 15 15 15 15 15
.5 GN/BL/GE.5 GN/GR .5 VI/BL1.5 VI

X6821
POWER DISTRIBUTION
8













X0
G1
BATTERY0670.2-06
P90
FRONT POWER
DISTRIBUTION BOX
30B+ X6512
X6509M6510
STARTERG6509
GENERATOR
X2
16 RT
1240.0 1230.010 RT
25 RT
G6430
B+ JUMP START
JUNCTION POINT
X6433X6430
X6432X6431
2.5 RT
.5 RT F97
80A
2 X6304
K6304
SECONDARY AIR
PUMP RELAY
1210.17
6 RT
50 RT 6 RT6 RT
X6411
X6437
26 X6000A6000
ENGINE CONTROL
MODULE (DME)
1210.17
6 X6326K6326
UNLOADER RELAY,
TERMINAL 15
1210.17
6
K6300
ENGINE CONTROL
MODULE RELAY
1210.17
X6300
X6412
14
X6002D100
DATA LINK
CONNECTOR
X6415
4 RT
X6414
4 RT 4 RT 4 RT
10 RT
4 RT2.5 RT
2 X6300
1 RT/WSX6822
4 RT/WS
14 X20
.5 RT/WS
5 X10016
F135A
6 X10016.5 RT/WS/GE
FUSE DETAILS
0670.3
2.5 RT/WS
ENGINE CONTROL
SYSTEM MS41.1
(6–CYLINDER S52)
1210.17X6413
2.5 RT
P90
FRONT POWER
DISTRIBUTION BOX
M VERSIONS
86 30
87

2.5 RT/
BL 2.5 RT/
WS 1 RT/
WS/GE2.5 RT/
SW/WS


2.5 RT/
GN/GE2.5 RT/BR .75 RT/
GR








POWER DISTRIBUTION
X1015
FUSE DETAILS
0670.3 0670.2-07 0670.2-08
X10018
17 X10015
1211
X10015
F620A 2.5 RT 16 RTP90
FRONT POWER
DISTRIBUTION BOX
X1186
6 RT4 RT0670.2-05
X2
30
X10018
18F39
7.5A
.75 RT/
GN
1 X10030
14F7
5A
16F8
15A
18F9
20A
20F10
30A
2.5 RT/
GN
16
1 X10034
F3830A
2F31
5A
4F32
30A
6
1 RT/
WSF33
10A
1.5 RT/
WS/GEF34
15AF3525A
12
2.5 RT/
BL/GEF36
30A
14
1.5 RT/
BLF37
10A
4 RT
2.5 RT
10 8
.5 RT/GE X10015
6 RT




30 30 30 30 30 30 30 30 3030 30 30 30
20F20
30A
30
X10016
19 X10016
2.5 RT
4 RT/GNP97
AUXILIARY FUSE
BOX
X1588
2 1
X1588
F4840A
4 RT
30
30
4 RT/
GE
216F18
15A
2.5 RT
30
15 2.5 RT1 X10015
F130A
2.5 RT/GN ELECTRICAL
CONVERTIBLE TOP
4 RT
4 RT
4 RT/WS P95
AUXILIARY FUSE
BOX
X19023
2 1
X19023
F4950A
4 RT
30
M VERSIONS
P90
FRONT POWER
DISTRIBUTION
BOX



X10016
1 WS/GN







POWER DISTRIBUTION
181 X10036
P90
FRONT POWER
DISTRIBUTION BOX
F29
7.5A
FUSE DETAILS
0670.3
2.5 RT/WS
X1001720F30
7.5A
2 1 X100354F11
7.5A F215A
K46
HIGH BEAM LIGHT
RELAY
X102622
6 X10262
87
35
F3
30A
X45
6 X45K48
LOW BEAM LIGHT
RELAY
2
X10015
4F12
7.5A
18 X10182A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
1 WS/BL 1 GE/GN 1 GE/BL1.5 RT/GR2.5 GE 2.5 RT 1.5 RT2.5 RT
.75 RT
1817
F19
30A
2.5 RT/GE2.5 RT
30
56a 56a56b 56b
3087 1.5 RT
0670.2-06
2.5 RT X1073
X641196 RT
X64109
X100168
7 X10016
F1430A 30
2.5 RT/BL2.5 RT




6 X10015
30
X100161
F1
30A
2 30
2.5 RT/BR/GE
X641296 RT
6100.0
6330.3 2.5 RT
2.5 RT/BR/
GE
M VERSIONS
6 X1376K70
CENTRAL LOCKING
LUGGAGE
COMPARTMENT
LID MOTOR RELAY
(ZV) 5126.0
1.5 RT
X10015
9 X10015
F530A 2.5 RT
1030
2.5 RT/SW
COUPE COUPE
4 RT
K46z
DAY LIGHT RELAY
MODULE
CDN