1999 BMW M3 heater

14 BCE15
E
 



C362
P90
FRONT POWER
DISTRIBUTION BOXF1430A
B
A104
BODY
ELECTRONICS
CONTROL
MODULE (ZKE IV)
M23
PASSENGER’S
WINDOW MOTOR
M99
RIGHT REAR
WINDOW MOTOR
S129z
RH REAR POWER
WINDOW SWITCH
START
1240.0
P90
FRONT POWER
DISTRIBUTION BOX F19
30A
A5
RELAY MODULE
15 F
8F54
M98
LEFT REAR
WINDOW MOTOR 3 2
20 C171671
13 11 10 1 912 S13
PASSENGER’S
DOOR JAMB
SWITCH
D
M21
DRIVER’S WINDOW
MOTOR
S14
DRIVER’S DOOR
JAMB SWITCH D
924782313
S126y
DRIVER’S POWER
WINDOW SWITCH
93
S40y
CENTRAL POWER
WINDOW SWITCH
LIGHT SWITCH
DETAILS
6300.0
89
12A
B
F3310A
128
5133.1-03
5133.1-01
5133.1-03
P90
FRONT POWER
DISTRIBUTION BOX
18
5133.1-04
6575.2-014
C17N12w
ANTI–THEFT
CONTROL MODULE
(ALPINE) 6575.2-00
5133.1-045133.1-00
5133.1-05 5133.1-055133.1-05
X10182
X13252X13253X13254
X13255
A =
B
=
C =
D =
E
=
X13258
F =
D17C
F4715A
A7
K108
HORN RELAY
(ALPINE)
LIGHT SWITCH
DETAILS
6300.0
A12
SUPPLEMENTAL
RESTRAINT
SYSTEM CONTROL
MODULE
A
4E10
D
8 2D

S48
DRIVER’S DOOR
HANDLE SWITCH 6575.2-00
5133.1-02
S128z
LH REAR POWER
WINDOW SWITCH S127y
PASSENGER’S
POWER WINDOW
SWITCH 6 7
5133.1-006575.2-01 3234.0-01
6575.2-02
H1w
ANTI–THEFT HORN
(ALPINE)
5120.0
E48
DOOR LOCK
HEATER
3B
CENTRAL BODY ELECTRONICS (ZKE IV)


 





6169.0 WINDSHIELD WASHER JET HEATERS
P90
FRONT POWER
DISTRIBUTION BOX F24
10A
X100178
X1149
X1052X1062
X1051X1061
FUSE DETAILS
0670.3
GROUND
DISTRIBUTION
0670.4
.75 GN/SW
.75 BR.75 BR .75 GN/SW
X11481
X11482
S198
JET HEATER
THERMOSWITCH
.75 GN/SW
X173
E51
LEFT WASHER JET
HEATERE52
RIGHT WASHER
JET HEATER







.5 GR/RT
X13129


GROUND
DISTRIBUTION
0670.4.5 GR/RT
1 X658
S53
DRIVER’S SEAT,
SEAT HEATER
SWITCH
X6511
X6514
GROUND
DISTRIBUTION
0670.4
S54
PASSENGER’S
SEAT, SEAT
HEATER SWITCH
X658
4 .5 GR/RT
5 X10267
GROUND
DISTRIBUTION
0670.4S303y
TOP HIFI SWITCH
X10267
2
.35 GR/RT
GROUND
DISTRIBUTION
0670.4S143
CONVERTIBLE TOP
ACTUATING
SWITCH X13045
4
X13045
1 .35 GR/RT
S38
TILT/SLIDE SUN-
ROOF SWITCH
(SHD) X6433 .35 GR/RT .5 GR/RT
(PARTIAL)
X495X13230
S128z
LH REAR POWER
WINDOW SWITCH
X3173
X3174
X494
GROUND
DISTRIBUTION
0670.4GROUND
DISTRIBUTION
0670.4S302
CENTRAL LOCKING
SWITCH X1292
2
X1292
3
X13006X498

 



Pin Assignments

E = Input, A = Output, M = Ground
X1527
Pin Type Description/Function Connection
1
EOutside temperatureOutside temperature sensor
2EEvaporator temperatureEvaporator temperature sensor
3EHeater temperature, leftLeft heat exchanger temperature sensor
4EHeater temperature, rightRight heat exchanger temperature sensor
5EVehicle speed signal (Speedometer output
signal)Instrument cluster
6ERPM speed signal TDEngine control module (DME)
7EIllumination inputIllumination
8AOutput signalOn-board computer
9ETerminal 50Starter
10ARPM speed increaseEngine control module (DME)
11AA/C compressor activationPressure switch
12ARear window signalRear window
13AWater valve activation, rightRight water valve
14AFresh air flap motor activationFresh air flap motor
15AFresh air flap motor activationFresh air flap motor
16AFresh air flap motor activationFresh air flap motor
17AFresh air flap motor activationFresh air flap motor
18AWater valve activation, leftLeft water valve
19AA/C fan activationA/C fan final stage
20EIndependent ventilationRelay box
21MGroundControl panel
22MGroundMixing actuator
23MGroundControl panel
24ETerminal 15Fuse
25ETerminal 30Fuse
26E/ADiagnostic data linkData link connector




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
E44 . . RIGHT LICENSE PLATE LIGHT . . . . . . . . . . underside of luggage compartment lid, near license plate . . . . . . . . . . . . . . . . . . . . . . 09-1

E45y .
CASSETTE BOX LIGHT . . . . . . . . . . . . . . . . .
center of dash





E46 . .

LEFT LUGGAGE COMPARTMENT LIGHT
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .
in LH rear side of luggage compartment



E47 . .

RIGHT LUGGAGE COMPARTMENT LIGHT
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . .

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

03-3



E48 . .

DOOR LOCK HEATER . . . . . . . . . . . . . . . . . .

LH front door




E51 . . LEFT WASHER JET HEATER . . . . . . . . . . . . on underside of engine hood
E52 . . RIGHT WASHER JET HEATER . . . . . . . . . . . on underside of engine hood
E56 . . DRIVER’S SEATBACK HEATER . . . . . . . . . . in upper LH front seatback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-3

E57 . .
DRIVER’S SEAT HEATER . . . . . . . . . . . . . . . .
under LH front seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23-3

E58 . . PASSENGER’S SEAT HEATER . . . . . . . . . . . underside of RH front seat
E59 . . PASSENGER’S SEATBACK HEATER . . . . . in upper RH front seatback
E61 . . LEFT FRONT FOOTWELL LIGHT . . . . . . . . . LH footwell
E62 . . RIGHT FRONT FOOTWELL LIGHT . . . . . . . right footwell

E82 . .

TRANSMISSION POSITION INDICATOR
LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

center console





E96 . .
GEAR SHIFT LEVER INDICATOR . . . . . . . .
center console



E99 . . HARD TOP CONNECTOR 1 . . . . . . . . . . . . . . in convertible top compartment
E100y HARD TOP CONNECTOR 2 . . . . . . . . . . . . . . in convertible top compartment
E101 . LEFT LUGGAGE COMPARTMENT LIGHT . in LH rear side of luggage compartment (Convertible)
E102 . RIGHT LUGGAGE COMPARTMENT LIGHT in RH rear side of luggage compartment (Convertible)

F97 . . .

FUSIBLE LINK . . . . . . . . . . . . . . . . . . . . . . . . . .

in RH side of luggage compartment




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
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

S36y . DOUBLE TEMPERATURE SWITCH . . . . . . . RH top of radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 09-3
S38 . . TILT/SLIDE SUNROOF SWITCH (SHD) . . . . roof
S40y . CENTRAL POWER WINDOW SWITCH . . . . center console
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 LH front seat
S52 . . DRIVER’S SEAT LUMBAR SWITCH . . . . . . . LH front seat

S53 . .
DRIVER’S SEAT, SEAT HEATER SWITCH .
center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-2



S54 . .

PASSENGER’S SEAT, SEAT HEATER
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30-1



S56 . .

PASSENGER’S SEAT, SEAT CONTROL
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
under RH front seat



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


S61y .

LUGGAGE COMPARTMENT LIGHT
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34-2


S63 . . ENGINE COOLANT LEVEL SWITCH . . . . . . front RH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-1

S64 . .
WASHER FLUID LEVEL SWITCH . . . . . . . . .
front RH side of engine compartment on washer fluid reservoir . . . . . . . . . . . . . . . . .
10-1

S75 . .

BLOWER SWITCH . . . . . . . . . . . . . . . . . . . . . .

center of dash




S77 . . DRIVER’S MAKE–UP MIRROR SWITCH . . above LH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-1


S78 . .

PASSENGER’S MAKE–UP MIRROR
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
above RH sun visor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23-1


S123 . ABS PEDAL TRAVEL SENSOR . . . . . . . . . . . near brake master cylinder (M3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3
S126y DRIVER’S POWER WINDOW SWITCH . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1

S127y
PASSENGER’S POWER WINDOW
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31-1



S128z
LH REAR POWER WINDOW SWITCH . . . .
center console



S129z RH REAR POWER WINDOW SWITCH . . . . center console
S143 . CONVERTIBLE TOP ACTUATING SWITCH center console


S164 .

CONVERTIBLE TOP END–POSITION MI-
CRO SWITCH . . . . . . . . . . . . . . . . . . . . . . . .
at convertible top linkage






S165 .

CONVERTIBLE TOP POSITION MICRO
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
at convertible top linkage






S196 .

REAR WINDOW BLOWER MICRO
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
in convertible top compartment, left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35-2


S198 JET HEATER THERMOSWITCH . . . . . . . . . . front LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-3


S213 .

LUGGAGE COMPARTMENT LID MICRO
SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
underside of luggage compartment lid




COMPONENT LOCATION CHART







COMP.8500.0 7100.0LOCATION DESCRIPTION
X817 . (1 PIN, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . . rear of engine compartment behind RH fresh air cowl

X899 .
(12 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .
behind center of dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


01-3
X904 . (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . LH side of IHKA Plenum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29-1 03-3
X905 . (5 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . behind center of dashboard
X999 . (4 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . behind center of dashboard left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-3
X1001 (4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . . RIGHT REAR SPEAKER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-3
X1002
(4 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . .
LEFT REAR SPEAKER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


03-3
X1014 (1 PIN, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . . center console near gearshift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-2
X1070 (18 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-1 01-5
X1071 (18 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 03-1 01-5
X1074 (15 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3 00-3
X1075

(15 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . .

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

00-3

00-3
X1148 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . front LH side of engine compartment, JET HEATER THERMOSWITCH . . . . . . . . . 37-3
X1155 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . center console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
X1162 (2 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . near brake master cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3

X1165
GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
below LH side of dash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
07-1

X1166 GROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . behind RH footwell trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07-3
X1170 (42 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3 09-4
X1171 (55 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . behind glove box (glove box removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-3 00-1
X1176 (25 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . LH side of engine compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-2
X1178

(2 PINS, NATURAL) . . . . . . . . . . . . . . . . . . . . .

below center console LH side of gearshift selector




X1193 (3 PINS, BLACK) . . . . . . . . . . . . . . . . . . . . . . . . center console RH side of gearshift selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1