1999 BMW M3 horn










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 X372
7 X10182
.75 WS/GN
X165
GROUND
DISTRIBUTION
0670.4
2 X10250
F4715A
FUSE DETAILS
0670.3P95
AUXILIARY FUSE
BOX
1 X371
GROUND
DISTRIBUTION
0670.4
A104
BODY
ELECTRONICS
CONTROL MODULE
(ZKE IV)
K108
HORN RELAY
(ALPINE)
45
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
2
1 SW/BL




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
G1 . . . BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . rear RH side of engine compartment (318i)

G1 . . .
BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in RH rear side of luggage compartment



G5 . . . DRIVER’S AIR BAG GAS GENERATOR . . . behind steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-2


G6 . . .

PASSENGER’S AIR BAG GAS
GENERATOR . . . . . . . . . . . . . . . . . . . . . . . .
RH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27-2




G12 . .

DRIVER’S SIDE PYROTECHNICAL BELT
TENSIONER . . . . . . . . . . . . . . . . . . . . . . . . .
driver’s seat right






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




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
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 area
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

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
02-2

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 (318i) . . . . . . . . . . . . 19-3




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION


P96 . .

AUXILIARY FUSE BOX IN LUGGAGE
COMPARTMENT . . . . . . . . . . . . . . . . . . . . .
in RH side of luggage compartment behind trim panel




P97 . . AUXILIARY FUSE BOX . . . . . . . . . . . . . . . . . . LH side of dash behind instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 02-2

R11 . . .
BLOWER RESISTORS . . . . . . . . . . . . . . . . . .
behind center of dashboard left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29-1

R31

AUXILIARY THROTTLE POSITION
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LH side of engine





R6252

THROTTLE POSITION SENSOR . . . . . . . . .

LH side of engine near oil level stick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13-3


R6252 THROTTLE POSITION SENSOR . . . . . . . . . LH side of engine compartment (318i) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-3
R6255z THROTTLE POSITION SENSOR (ASC) . . . LH side of engine compartment
R8554 RESISTOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . front of engine compartment

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
S17 . . MIRROR CONTROL SWITCH . . . . . . . . . . . . in upper LH front door

S18 . .

HAZARD SWITCH . . . . . . . . . . . . . . . . . . . . . .

center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30-3




COMPONENT LOCATION VIEWS
ELECTRICAL CONTROL MODULE LOCATIONS









A64
WIPER/WASHER
MODULE (LOW II)
A52
SLIP CONTROL
MODULE
(ABS/ASC)
N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE)
X1170
X1171X13025
X13252X13253X13254

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



K21
NORMAL SPEED
RELAY




COMPONENT LOCATION VIEWS






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


K6304
SECONDARY AIR
PUMP RELAY






COMPONENT LOCATION VIEWS






C101
CONTACT RINGS2
IGNITION SWITCH

S7
COMBINATION
SWITCH
S28
CRUISE CONTROL
SWITCH G5
DRIVER’S AIR BAG
GAS GENERATOR
S4
HORN SWITCHX9997

X740
X741
X10218