1999 BMW Z3M COUPE fuse box





Pin Assignments





E = Input, A = Output, M = Ground
X74
Pin Type Description/Function Connection
1
APyrotechnical belt tensioner (+)Driver’s side pyrotechnical belt tensioner
2APyrotechnical belt tensioner (–)Driver’s side pyrotechnical belt tensioner
3APyrotechnical belt tensioner (+)Passenger’s side pyrotechnical belt
tensioner
4APyrotechnical belt tensioner (–)Passenger’s side pyrotechnical belt
tensioner
5EPower supplyFront power distribution box, fuse 41
6MGroundGround point
7AAir bag warning indicatorInstrument cluster
8EBelt switchPassenger’s seat belt switch
9E/ATxD diagnostic data lineData link connector
10AAir bag (+)Driver’s air bag gas generator
11AAir bag (–)Driver’s air bag gas generator
12EBelt switchDriver’s seat belt switch
13AAir bag (+)Passenger’s air bag gas generator
14AAir bag (–)Passenger’s air bag gas generator
15ESeat occupancy detectorSeat occupancy detector
16AGas generatorGas generator, left side air bag
17AGas generatorGas generator, left side air bag
18AGas generatorGas generator, right side air bag
19AGas generatorGas generator, right side air bag
20EImpact sensorDriver’s side impact sensor
21EImpact sensorPassenger’s side impact sensor
22Not used
23Not used
24Not used
25Not used
26Not used
27Not used
28Not used
29Not used



SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)









X1614
FUSE DETAILS
0670.3
A2w
INSTRUMENT
CLUSTER
10) AIR BAG X16
23
.5 GE/SW.5 GE/BR
1 X7832
G5
DRIVER’S AIR BAG
GAS GENERATOR
C101
CONTACT RING
14
34
.35 BR/SW
6
GROUND
DISTRIBUTION
0670.4
5
FUSE DETAILS
0670.3 22P90
FRONT POWER
DISTRIBUTION BOX
10 11
F275A

7
.5 BR/VI
CA
X10018
F4115A
10
1 X9997
2 .5 BR.5 BL
R
ABF+ ABF– 31THE DRIVER’S AND
PASSENGER’S
AND THE SIDE AIR
BAG GENERA-
TORS AND THE
PYROTECHNICAL
BELT TENSIONERS
ARE FITTED WITH
SHORTING
BRIDGES.THE BRIDGES SHORT
THE GENERATOR
LEADS TOGETHER TO
PREVENT UNINTEN-
TIONAL TRIGGERING
OF THE IGNITER
WHEN WORKING ON
THE AIR BAG SYSTEM.
X10017
X132537A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
X74
AWL
.5 GE/RT.5 GE/BR
1 X102142
G12
DRIVER’S SIDE
PYROTECHNICAL
BELT TENSIONER
12
1 X102162 .5 GE/RT
.5 GE/BR
.5 BL/RT.5 BL/BR
1 X102152
G13
PASSENGER’S
SIDE
PYROTECHNICAL
BELT TENSIONER
34
1 X102172 .5 GE/RT
.5 GE/BR
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
X74



SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)








FUSE DETAILS
0670.3 24FUSE DETAILS
0670.3 8P90
FRONT POWER
DISTRIBUTION BOX
F425A
15 .5 WS/RT
X10017
F2410A
3
A113
SEAT OCCUPANCY
DETECTOR
SBE
4
5
12
GROUND
DISTRIBUTION
0670.4
S559 *
PASSENGER’S AIR
BAG CUT–OFF
SWITCH
1) PASSENGER’S
AIR BAG
SWITCHED ON
2) PASSENGER’S
AIR BAG
SWITCHED OFFX10218
2
1X10218
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
GROUND
DISTRIBUTION
0670.4
X10018
3
6 12212
G6
PASSENGER’S AIR
BAG GAS
GENERATOR
13 14
1 X7822 .5 BL/SW
.5 BL/BR
ABBF+ ABBF–
1
X19565
* THE ORIGINAL
JUMPER IS OP-
TIONALLY RE-
PLACED BY THE
SWITCH S559. X74
.5 BL/SW .5 BL/RRX74
X19565






.5 BL/SW .5 BL/RR
12
X91009
I1008
SEAT MAT
51 X19565
6 2 X19565



SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)








4
FUSE DETAILS
0670.3 22P90
FRONT POWER
DISTRIBUTION BOX




X10018
F4115A
DATA LINK
0670.5
.5 WS/VI
TXD
X74
X185181
14 X17
A2w
INSTRUMENT
CLUSTER
8.5 BL/WS/GE
3
12
GROUND
DISTRIBUTION
0670.4
S59
PASSENGER’S
SEAT BELT SWITCH
1) BELT UN-
BUCKLED
2) BELT BUCKLED
1 2
12
.5 BR/GN/WS
3
X7781
S58
DRIVER’S SEAT
BELT SWITCH
1) BELT UN-
BUCKLED
2) BELT BUCKLED
GROUND
DISTRIBUTION
0670.4
X18518NOT USED
2.5 BL/VI/GE
GKBF GKFA12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
2 X778
NOT USED
4
NOT USED
9
X74
FUSE DETAILS
0670.3



SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)
SIDE AIR BAG









A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
FUSE DETAILS
0670.3
.35 WS/BL
P90
FRONT POWER
DISTRIBUTION BOX
X10018
22
20
G14
LEFT SIDE AIR BAG
GAS GENERATOR
16 17
.5 BL .5 BR
1
2 X1885B78
DRIVER’S SIDE IM-
PACT SENSOR
F4115A
.5 GE
33
B79
PASSENGER’S
SIDE IMPACT
SENSOR
1X1885
GROUND
DISTRIBUTION
0670.4
25 26
.5 BR
12
G15
RIGHT SIDE AIR
BAG GAS
GENERATOR
1819
.5 GE .5 BR
25 26
.5 BR
12
.5 BLX257
X1883
X256
X1884
X74
.5 VI/BL
2 X1886
X1886GROUND
DISTRIBUTION
0670.4
X7421 .35 WS/GE
X10010
THE DRIVER’S AND
PASSENGER’S AND
THE SIDE AIR BAG
GENERATORS AND
THE
PYROTECHNICAL
BELT TENSIONERS
ARE FITTED WITH
SHORTING
BRIDGES.THE BRIDGES
SHORT THE
GENERATOR
LEADS TOGETHER
TO PREVENT
UNINTENTIONAL
TRIGGERING OF
THE IGNITER
WHEN WORKING
ON THE AIR BAG
SYSTEM.
X10010
.5 VI/BL





3
3450.1-013450.1-02
3450.1-00
Y1
ABS HYDRAULIC
UNITP90
FRONT POWER
DISTRIBUTION BOX
K94
ENGINE CONTROL
RELAY (ABS/ASC)
A52
SLIP CONTROL
MODULE
(ABS/ASC)
48 X1175
TXD 46
2619302
S30
BRAKE LIGHT
SWITCH F49
50AF4615A
55
3450.1-03
53
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 3450.1-022339 43
R31
AUXILIARY
THROTTLE
POSITION SENSOR 3450.1-02 67
10 36
B2
LEFT FRONT
SPEED SENSOR –
ABS 3450.1-0412 13
B4
LEFT REAR SPEED
SENSOR – ABS 3450.1-0414 15
B1
RIGHT FRONT
SPEED SENSOR –
ABS 3450.1-0411 38
B3
RIGHT REAR
SPEED SENSOR –
ABS 3450.1-0488778118
A6000
ENGINE CONTROL
MODULE (DME) 3450.1-08
76
3354275225634493151
F1030AF135A
S6
ASC SWITCH 3450.1-03
44
LIGHT SWITCH
DETAILS
6300.0
3450.1-03
58g
X1175
2035
3450.1-06
29 X117528
S31
PARK BRAKE
SWITCH 3450.1-02
P95
AUXILIARY FUSE
BOX
F3830A
P90
FRONT POWER
DISTRIBUTION BOX
3450.1-02
A2w
INSTRUMENT
CLUSTER
M VERSIONS
37
!
7124
G6509
GENERATOR
F275A
K95
VALVE RELAY
(ABS/ASC) 3450.1-00
3450.1-00
1230.0 D +
3450.1 SLIP CONTROL (ABS/ASC)

SLIP CONTROL (ABS/ASC)









16 X100186 X100162 X19023
3 X1175
42X18766
68X18766
51
X10469
372.5 RT/BL
A52
SLIP CONTROL
MODULE (ABS/ASC)
K94
ENGINE CONTROL
RELAY (ABS/ASC) A52
SLIP CONTROL
MODULE
(ABS/ASC)P95
AUXILIARY FUSE
BOX
FUSE DETAILS
0670.3
F3830AF135AF4950A
8
2
FUSE DETAILS
0670.3FUSE DETAILS
0670.3
7
20F10
30A
FUSE DETAILS
0670.3
2.5 RT/GE


30
87K95
VALVE RELAY
(ABS/ASC)
4X18767
6 X18767
X10015
19 X1175
1 X1175
.75 BR/GE
.75 BR/GEX10468
86
85
.75 BR/GN.75 BR/GE
.75 BR/GR86
8530
87
.75 RT/BL
2.5 RT/BL
P90
FRONT POWER
DISTRIBUTION BOX
M VERSIONS

SLIP CONTROL (ABS/ASC)








A52
SLIP CONTROL
MODULE
(ABS/ASC)
R31
AUXILIARY
THROTTLE
POSITION SENSOR 1 X10239
2
X102393
A52
SLIP CONTROL
MODULE
(ABS/ASC)
39 X117531
12X1175
43 67
.5 WS/RT .5 WS/BL
.5 BL/BR.5 WS/BR
76 30
11
.35 GR/SW/GE


23
2.5 SW/GN/GE
53
M93
AUXILIARY
THROTTLE
POSITION MOTOR
(ADS) 1 X8533
X85332
!
14 X10017
F275A
FUSE DETAILS
0670.3
23 X16
P90
FRONT POWER
DISTRIBUTION BOX
X1617
.5 BR/GN
S31
PARK BRAKE
SWITCH
1) BRAKE SET
2) BRAKE NOT SET X423
1
2 1
+
–
.5 BR/GN .5 BR/GNX1682
A2w
INSTRUMENT
CLUSTER
2.5 SW/BR/GE
PARK
BRAKE
M VERSIONS
X1721

GROUND
DISTRIBUTION
0670.4
31