1998 BMW 318ti brake




COMPONENT LOCATION CHART
:





 !
 

COMP.8500.0 7100.0LOCATION DESCRIPTION

A836 .
ELECTRONIC IMMOBILIZER
CONTROL MODULE (EWS II) . . . . . .
under glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

01-2


A6000 ENGINE CONTROL MODULE (DME) . . rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-1



A8500



TRANSMISSION CONTROL MODULE
(EGS) . . . . . . . . . . . . . . . . . . . . . . . . . . .


rear RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


00-1





B1 . . . .

RIGHT FRONT SPEED SENSOR –
ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
on RH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

06-3


B2 . . . . LEFT FRONT SPEED SENSOR – ABS on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-3
B3 . . . . RIGHT REAR SPEED SENSOR – ABS on RH rear wheel, above brake caliper
B4 . . . . LEFT REAR SPEED SENSOR – ABS . on LH rear wheel, above brake caliper

B6 . . . .

FUEL LEVEL SENSOR . . . . . . . . . . . . . .

below LH side of rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13-1


B8y . . . PRESSURE SWITCH . . . . . . . . . . . . . . . . near RH headlight assembly
B9 . . . . INTERMEDIATE PRESSURE SWITCH near RH headlight assembly

B10 . .
VEHICLE SPEED SENSOR . . . . . . . . . .
on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26-1



B14 . .

EVAPORATOR TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . . . . . . . . .
RH side of LH footwell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17-1


B16 . . LEFT FRONT BRAKE PAD SENSOR . . on LH front wheel, above brake caliper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06-3
B17 . . RIGHT REAR BRAKE PAD SENSOR . . behind RH rear wheel

B18 . .
BRAKE FLUID LEVEL SWITCH . . . . . . .
rear LH side of engine compartment top of brake fluid reservoir . . . . . . . . .
09-2



B21 . .

ON–BOARD COMPUTER
TEMPERATURE SENSOR . . . . . . . . .
in the engine compartment lower LH side of engine compartment . . . . . . .
14-1

B25y . FUEL TANK SENSOR II . . . . . . . . . . . . . below RH side of rear seat




COMPONENT LOCATION CHART
:





 !
 

COMP.8500.0 7100.0LOCATION DESCRIPTION
H24 . . LEFT BRAKE LIGHT . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY

H25 . .

LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . .

LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY




H27 . . LEFT BACK UP LIGHT . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY
H28 . . RIGHT BACK UP LIGHT . . . . . . . . . . . . . RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY

H30 . .
RIGHT TAIL LIGHT . . . . . . . . . . . . . . . . . .
RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY



H31 . .

RIGHT BRAKE LIGHT . . . . . . . . . . . . . . .

RIGHT LUGGAGE COMPARTMENT LIGHT ASSEMBLY




H34 . . HIGH LEVEL STOP LIGHT . . . . . . . . . . . at back of rear window shelf
H37 . . LEFT TAIL LIGHT . . . . . . . . . . . . . . . . . . . LEFT LUGGAGE COMPARTMENT LIGHT ASSEMBLY

H39 . .
RIGHT 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 . . . . . . . . . . . . . in RH side of luggage compartment

H46 . .

LEFT REAR SPEAKER . . . . . . . . . . . . . .

in LH side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23-2




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




COMPONENT LOCATION CHART
:





 !
 

COMP.8500.0 7100.0LOCATION DESCRIPTION
S28 . . CRUISE CONTROL SWITCH . . . . . . . . . LH side of dash RH side of steering column above . . . . . . . . . . . . . . . . . . . . 16-3

S29 . .

BRAKE LIGHT SWITCH . . . . . . . . . . . . .

LH footwell on brake pedal support bracket behind LH footwell trim . . . . . .

15-3


S30 . . BRAKE LIGHT SWITCH . . . . . . . . . . . . . LH footwell on clutch pedal support bracket behind LH footwell trim . . . . . 15-3
S31 . . PARK BRAKE SWITCH . . . . . . . . . . . . . . center console on rear of park brake lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-2

S32 . .
CLUTCH SWITCH . . . . . . . . . . . . . . . . . .
LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15-3

S36y .

DOUBLE TEMPERATURE SWITCH . . .

front RH side of engine compartment near RH headlight assembly . . . . . .

08-3


S37 . . GLOVE BOX LIGHT SWITCH . . . . . . . . in glove box
S38z . TILT/SLIDE SUNROOF SWITCH (SHD) in roof panel

S47 . .
DRIVER’S DOOR LOCK SWITCH . . . . .
LH front door in door at key lock assembly



S48 . . DRIVER’S DOOR HANDLE SWITCH . . in driver’s door
S49 . . PASSENGER’S DOOR LOCK SWITCH RH front door in door at key lock assembly

S51 . .
DRIVER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
under driver’s seat





S53 . .
DRIVER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30-2



S54 . .
PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .
center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19-1





S56 . .



PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . .


under passenger’s seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


19-1



S58 . . DRIVER’S SEAT BELT SWITCH . . . . . . in LH front seat belt buckle
S59 . . PASSENGER’S SEAT BELT SWITCH . in RH front seat belt buckle




COMPONENT LOCATION CHART
:





 !
 

COMP.8500.0 7100.0LOCATION DESCRIPTION
X58 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . 03-4
X63 . .

(9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



03-4
X64 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . Power Distribution Box rear LH side of engine compartment . . . . . . . . . . . . 03-4
X65 . . (9 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-4

X69 . .
(25 PINS, GRAY) . . . . . . . . . . . . . . . . . . .
rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
09-2
04-2
X70 . .

(7 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

09-3

05-2
X72 . . (6 PINS, NATURAL) . . . . . . . . . . . . . . . . . LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-2 03-6
X74 . . (50 PINS, YELLOW) . . . . . . . . . . . . . . . . . below rear seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3 04-1

X78 . .
(4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .
LH footwell on clutch pedal support bracket behind LH footwell trim . . . . .
15-3
03-1
X85 . . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3 05-3
X105 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . on underside of engine hood
X106 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . on underside of engine hood

X107 .

(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .

07-3


X111 . . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment top of brake fluid reservoir . . . . . . . . . 09-2
X113 . (3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . . above RH front wheel well behind RH front wheel . . . . . . . . . . . . . . . . . . . . . 07-2 09-2

X114 .
(3 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . .
above LH front wheel well behind LH front wheel . . . . . . . . . . . . . . . . . . . . . .
07-2
09-2
X116 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH footwell on clutch pedal support bracket behind LH footwell trim . . . . . 15-3
X118 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . above LH front wheel well behind LH front wheel . . . . . . . . . . . . . . . . . . . . . . 07-2
X121 . (2 PINS, WHITE) . . . . . . . . . . . . . . . . . . . . LH footwell underside of steering column . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3

X123 .

(2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . .

front RH side of engine compartment on washer fluid reservoir . . . . . . . . . .

14-3


X128 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . LH front of vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-3




COMPONENT LOCATION CHART
:





 !
 

COMP.8500.0 7100.0LOCATION DESCRIPTION
X319 . (8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . in LH side of luggage compartment behind trim panel . . . . . . . . . . . . . . . . . . 22-3 01-4
X322 .

(6 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20-1

03-6
X324 . (4 PINS, YELLOW) . . . . . . . . . . . . . . . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-2 07-1
X333 . (4 PINS, NATURAL) . . . . . . . . . . . . . . . . . rear of engine compartment below center of cowl . . . . . . . . . . . . . . . . . . . . . 09-1 06-3

X336 .
(6 PINS, NATURAL) . . . . . . . . . . . . . . . . .
under roof center panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
00-3
03-6
X351 .

(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

in upper RH B–pillar




X352 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . in upper LH B–pillar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-3
X371 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3

X372 .
(2 PINS, GRAY) . . . . . . . . . . . . . . . . . . . . .
in RH front bumper



X379 . (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . on lift gate
X380 . (1 PIN, NATURAL) . . . . . . . . . . . . . . . . . . on lift gate
X381 . (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . under roof center panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-1 01-1
X382 .

(3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

above RH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15-1

01-1
X383 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . under rear of car LH side of on differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-1
X389 . (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . rear LH side of engine compartment

X390 .
(2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .
RH side of dash behind glove box



X400 . (8 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . in LH rear side of luggage compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-4
X401 . (1 PIN, BLACK) . . . . . . . . . . . . . . . . . . . . . above LH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-1
X402 . (1 PIN, BLACK) . . . . . . . . . . . . . . . . . . . . . above RH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1

X413 .

(3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . .

at back of rear window shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



01-1
X423 . (1 PIN, –––) . . . . . . . . . . . . . . . . . . . . . . . . below center console on rear of park brake lever . . . . . . . . . . . . . . . . . . . . . . 15-2

B1
RIGHT FRONT
SPEED SENSOR –
ABS
B2
LEFT FRONT
SPEED SENSOR –
ABS
B16
LEFT FRONT
BRAKE PAD
SENSOR*E26
LEFT FOG LIGHT
E27
RIGHT FOG LIGHT
X768
X769
*
*X143
X713




COMPONENT LOCATION VIEWS




!





RH SIMILAR *RH SIMILAR *
 



M3
WIPER MOTOR
X333
B18
BRAKE FLUID
LEVEL SWITCH
X20X70X6205




COMPONENT LOCATION VIEWS




!






 

D100
DATA LINK
CONNECTOR
X69
X111X6002
X6217
B6205
INTAKE AIR
TEMPERATURE
SENSOR
B6217
HOT FILM AIR
MASS METER
M25
CRUISE CONTROL
ACTUATOR
(TEMPOMAT)




S29
BRAKE LIGHT
SWITCH
S30
BRAKE LIGHT
SWITCHX116
X121

COMPONENT LOCATION VIEWS




!

S78
PASSENGER’S
MAKE–UP MIRROR
SWITCH
S31
PARK BRAKE
SWITCH
X423
E36
PASSENGER’S
MAKE–UP MIRROR
LIGHT

X382X402
 

X78
S32
CLUTCH SWITCH