1998 BMW M3 horn

X173
GROUND
DISTRIBUTION
0670.4

 $%%





6133.0 HORN
P90
FRONT POWER
DISTRIBUTION BOX F8
15A
X10015
16
FUSE DETAILS
0670.3
6
2.5 VI
2
2.5 VI
X223
POWER
DISTRIBUTION
0670.2
.5 VI
8 X56
30
2
1 VI/BL
2
H2
LEFT HORN
1
1 VI/BL
2
1H3
RIGHT HORN
86
85
.5 BR/RT
.5 BR/RT
1 X168
4X56
11 X32
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K2
HORN RELAY
S4
HORN SWITCH S2
IGNITION SWITCH
0) OFF
1) ACCESSORY
2) RUN
3) START
X33
X132
X132
X133
X133
2 X209
87
2
10
3
R
GROUND
DISTRIBUTION
0670.4 GROUND
DISTRIBUTION
0670.4
X165X165
1 X32
.35 BR
5




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N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
ANTI–THEFT SYSTEM (ALPINE)
2 1
S21w
ENGINE HOOD
SWITCH
1) HOOD OPEN
2) HOOD CLOSED 2 X371
7
H1w
ANTI–THEFT HORN
(ALPINE) 2 X372
1 X3727 X10182
.75 WS/GN
X165
GROUND
DISTRIBUTION
0670.4
2 X10250
F4715A
FUSE DETAILS
0670.3P95
AUXILIARY FUSE
BOX
1 X371
GROUND
DISTRIBUTION
0670.4A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
K108
HORN RELAY
(ALPINE)
4 5 X1019330 86
8587
6
1 RT/GR/GE
1 RT/GR/GE
1 SW/BL
8
X14
1 SW/BL
25
1 SW/BLX13025
1
1 RT/GR/GE
1 SW/BL1 X10244
X10012
.5 VI/GN/GE
1 SW/BL
WITH CCM WITHOUT CCM
X10193
X18784
21 SW/BL




COMPONENT LOCATION CHART
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COMP.8500.0 7100.0LOCATION DESCRIPTION


G13

PASSENGER’S SIDE PYROTECHNICAL
BELT TENSIONER . . . . . . . . . . . . . . . . . . . .
passenger’s seat left




G14 . . LEFT SIDE AIR BAG GAS GENERATOR . . in driver’s door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-3

G15 . .
RIGHT SIDE AIR BAG GAS GENERATOR .
in passenger’s door



G6430

B+ JUMP START JUNCTION POINT . . . . . .

rear RH side of engine compartment back of RH side shock tower . . . . . . . . . . . . . .

05-1


G6509 GENERATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-2
H2 . . . LEFT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment
H3 . . . RIGHT HORN . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment

H4 . . .
RIGHT FRONT TURN LIGHT . . . . . . . . . . . . .
front of vehicle



H5 . . . RIGHT REAR TURN LIGHT . . . . . . . . . . . . . . RH side of body rear end
H6 . . . LEFT REAR TURN LIGHT . . . . . . . . . . . . . . . LH side of body rear end
H7 . . . LEFT FRONT TURN LIGHT . . . . . . . . . . . . . . front of vehicle
H8 . . . RIGHT FRONT AUXILIARY TURN LIGHT . . front of vehicle

H9 . . .

LEFT FRONT AUXILIARY TURN LIGHT . . .

front of vehicle




H10 . . CHIME MODULE . . . . . . . . . . . . . . . . . . . . . . . below LH side of dash
H1w . . ANTI–THEFT HORN (ALPINE) . . . . . . . . . . . front RH side of engine compartment
H24 . . LEFT BRAKE LIGHT . . . . . . . . . . . . . . . . . . . . LH side of body rear end

H25 . .
LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . .
LH side of body rear end



H26 . . LEFT REAR FOG LIGHT . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H27 . . LEFT BACK UP LIGHT . . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H28 . . RIGHT BACK UP LIGHT . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H30 . . RIGHT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY




COMPONENT LOCATION CHART
;







 $%%%%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
H31 . . RIGHT BRAKE LIGHT . . . . . . . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY

H34 . .
HIGH LEVEL STOP LIGHT . . . . . . . . . . . . . . .
at back of rear window shelf



H34z HIGH LEVEL STOP LIGHT/REAR SPOILER in rear spoiler
H37 . . LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H42 . . LEFT MID–HIGH RANGE SPEAKER . . . . . . in upper LH front door
H43 . . RIGHT MID–HIGH RANGE SPEAKER . . . . . in upper RH front door

H45 . .
RIGHT REAR SPEAKER . . . . . . . . . . . . . . . . .
under rear window shelf



H46 . . LEFT REAR SPEAKER . . . . . . . . . . . . . . . . . . under rear window shelf
H50 . . RIGHT FRONT HIGH RANGE SPEAKER . . in upper RH front door
H51 . . RIGHT FRONT LOW RANGE SPEAKER . . in lower RH A–pillar
H52 . . RIGHT REAR LOW RANGE SPEAKER . . . . under rear window shelf

H53 . .

RIGHT REAR HIGH RANGE SPEAKER . . .

under rear window shelf




H54 . . RIGHT FRONT MIDRANGE SPEAKER . . . . in upper RH front door
H55 . . LEFT FRONT MIDRANGE SPEAKER . . . . . in upper LH front door
H56 . . LEFT REAR HIGH RANGE SPEAKER . . . . . under rear window shelf

H57 . .
LEFT REAR LOW RANGE SPEAKER . . . . .
under rear window shelf



H58 . . LEFT FRONT LOW RANGE SPEAKER . . . . in lower LH A–pillar
H59 . . LEFT FRONT HIGH RANGE SPEAKER . . . in upper LH front door
H66 . . SUBWOOFER . . . . . . . . . . . . . . . . . . . . . . . . . . behind trim panel
I1008 . SEAT MAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in passenger’s seat

K2 . . . .

HORN RELAY . . . . . . . . . . . . . . . . . . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .

19-2


K4 . . . . BLOWER RELAY . . . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2




COMPONENT LOCATION CHART
;






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COMP.8500.0 7100.0LOCATION DESCRIPTION
K9 . . . . UNLOADER RELAY, TERMINAL 15 . . . . . . . behind LH footwell trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-3

K10 . .
ABS RELAY . . . . . . . . . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
19-1

K13 . . REAR DEFOGGER RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-1
K16 . . HAZARD FLASHER RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2
K19 . . COMPRESSOR CONTROL RELAY . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-1
K21 . . NORMAL SPEED RELAY . . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3

K22 . .
HIGH SPEED RELAY . . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .
19-3

K46 . . HIGH BEAM LIGHT RELAY . . . . . . . . . . . . . . LH side of dash behind instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2
K46z DAY LIGHT RELAY MODULE . . . . . . . . . . . . . below LH side of dash
K47 . . FRONT FOG LIGHT RELAY . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2
K48 . . LOW BEAM LIGHT RELAY . . . . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-2

K99 . .

REAR WINDOW BLOWER RELAY . . . . . . . .

behind glove box left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25-2


K108 . HORN RELAY (ALPINE) . . . . . . . . . . . . . . . . . behind glove box left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-2
K117 . . LUGGAGE COMPARTMENT LID RELAY . . behind glove box right
K125 . ABS PUMP MOTOR RELAY, TIMED . . . . . . . rear LH side of engine compartment in Power Distribution Box (318is) . . . . . . . . . . . 19-3

K128
SPATIAL SOUND RELAY . . . . . . . . . . . . . . . .
footwell, driver’s side behind trim panel



K450 PARK VENTILATION RELAY . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2
K6300 ENGINE CONTROL MODULE RELAY . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3
K6301 CYL. 1–6 FUEL PUMP RELAY . . . . . . . . . . . . rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . . 19-3
K6301w FUEL PUMP RELAY . . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment in Front Power Distribution Box . . . . . . . . . . . . 19-1

K6304

SECONDARY AIR PUMP RELAY . . . . . . . . .

rear LH side of engine compartment in Power Distribution Box . . . . . . . . . . . . . . . . . .

19-3


K6326 UNLOADER RELAY, TERMINAL 15 . . . . . . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-1




COMPONENT LOCATION CHART
;






 $%%%%&
COMP.8500.0 7100.0LOCATION DESCRIPTION
S2 . . . . IGNITION SWITCH . . . . . . . . . . . . . . . . . . . . . . RH side of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-3

S3 . . . .
AUTOMATIC TRANSMISSION RANGE
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30-3



S4 . . . .
HORN SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
top of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24-2

S5 . . . .

WIPER/WASHER SWITCH . . . . . . . . . . . . . . .

LH side of dash RH side of steering column above




S6 . . . . ASC SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-2
S7 . . . . COMBINATION SWITCH . . . . . . . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-3
S8 . . . . LIGHT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1

S10 . .
FOG LIGHT SWITCH . . . . . . . . . . . . . . . . . . . .
LH side of dash



S13 . . PASSENGER’S DOOR JAMB SWITCH . . . . in upper RH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3
S14 . . DRIVER’S DOOR JAMB SWITCH . . . . . . . . . in upper LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3
S15 REAR RIGHT DOOR JAMB SWITCH . . . . . . in lower RH C–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3
S16 LEFT REAR DOOR JAMB SWITCH . . . . . . . in lower LH C–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-3

S17 . .

MIRROR CONTROL SWITCH . . . . . . . . . . . .

in upper LH front door




S18 . . HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-3
S21w . ENGINE HOOD SWITCH . . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . . . . . on steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-3

S29 . .
BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . . .
LH footwell on brake pedal support bracket behind LH footwell trim . . . . . . . . . . . . .
26-3

S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . . . . . LH footwell on brake pedal support bracket behind LH footwell trim . . . . . . . . . . . . . 26-2
S31 . . PARK BRAKE SWITCH . . . . . . . . . . . . . . . . . . center console on rear of park brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-2
S32 . . CLUTCH SWITCH . . . . . . . . . . . . . . . . . . . . . . LH footwell on clutch pedal support bracket behind LH footwell trim . . . . . . . . . . . . . 26-3
S36 . . TEMPERATURE SWITCH . . . . . . . . . . . . . . . . front RH side of engine compartment near RH headlight assembly . . . . . . . . . . . . . . 09-3




COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS
 $%%





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A64
WIPER/WASHER
MODULE (LOW II)
X13252X13253X13254



A51
WIPER/WASHER
MODULE
X22
X10193
A8
CRUISE CONTROL
MODULE
(TEMPOMAT)
K108
HORN RELAY
(ALPINE)
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)

A52
SLIP CONTROL
MODULE
(ABS/ASC)
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
X1170
X1171X13025


K10
ABS RELAY
K13
REAR DEFOGGER
RELAY
K19
COMPRESSOR
CONTROL RELAYK6301w
FUEL PUMP RELAY
K21
NORMAL SPEED
RELAY




COMPONENT LOCATION VIEWS $%%





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K2
HORN RELAY
K4
BLOWER RELAY
K16
HAZARD FLASHER
RELAYK47
FRONT FOG LIGHT
RELAY
K48
LOW BEAM LIGHT
RELAYK22
HIGH SPEED
RELAY
K125
ABS PUMP MOTOR
RELAY, TIMEDK6300
ENGINE CONTROL
MODULE RELAY
K6301
CYL. 1–6 FUEL
PUMP RELAY


K6304
SECONDARY AIR
PUMP RELAY