1994 BMW M3 heater
[x] Cancel search: heaterPage 388 of 759
610-2
ELECTRICAL
COMPONENT
LOCATIONS
Fuses
number47
and
50are
mounted
on
the
left
side
splice
panel
.
Refer
lo
Fig
.
5
.
Fuse48
is
mounted
on
the
auxiliary
relay
panel
.
Refer
to
Fig
.
3
.
Fuse
49
is
mounted
in
the
right
side
of
the
luggage
compart-
ment
behind
the
trim
cover
.
Relay
Positions
Mounted
in
the
left-hand
rear
comer
of
the
engine
compart-
ment,
the
power
distribution
box
contains
46
(uses
and
15
re-
lay
positions
.
See
Fig
.
2
.
Fuses31-46
-
Er
a
&QT
MM
~
Fig
.
2
.
E36
front
power
distribution
box
.
FUSE
AND
RELAY
POSITIONS
Fuses1-20
13
EL1
5
]
mmmmmmmmmm
Fuses
21-30
--
0013034)
1
.
Fuel
pump
relay
9
.
Heater/A/C
Blower
relay
2
.
System
(main)
relay
10
.
Rear
defogger
relay
3
.
Oxygen
sensorheater
re-
11
.
ABS
system
relay
lay
12
.
ABS
pump
relay
4
.
Horn
relay
13
.
High
speed
radiator
fan
re-
5
.
Taillight/foglight
relay
]ay
6
.
Low
beam
relay
14
.
A/C
compressor
relay
7
.
High
beam
relay
15
.
Low
speed
radiator
fan
re-
8
.
Emergency
flasherrelay
¡ay
Auxiliary
Relay
Panel
The
auxiliary
relay
panel
contains
five
relay
positions
.
In
lat-
er
modeis
an
additional
fuse
holder
(Fuse48)
and
the
EWS
II
(anti-theft)
transmitter/receiver
module
are
located
on
this
panel
.
See
Fig
.
3
.
The
panel
is
located
nextto
the
steering
column
under
the
driver's
side
dashboard
.
To
access
this
panel,
remove
the
pwer
dash
panel
on
driver's
side
.
See513
Interior
Trim
.
Then
remove
the
driver's
side
knee
bolster
.
Lower
the
relay
panel
by
gently
releasing
the
plastic
retainers
.
See
Fig
.
4
.
During
installation,
be
sure
the
retainer
tabs
are
engaged
in
the
relay
panel
.
Splice
Panel,
Left
3
¡ni
Fig
.
3
.
Auxiliary
relay
panel
under
left
side
of
dash
.
Fuse
48)
0013035
1
.
Comfort
relay
(where
ap-
4
.
Not
used
plicable)
5
.
Not
used
2
.
Crash
control
module
6
.
EWS
II
transmitter/receiv-
3
.
Park
ventilation
relay
er
module
(from
Jan
.
1995)
0013164
Fig
.
4
.
Auxiliary
relay
panel
under
left
sideof
dashboard
(arrow)
.
The
left
splice
panel
contains
four
relay
positions
and
an
ad-
ditional
fuse
holder
(Fuses
47
and
50)
.
To
access
the
left
side
electrical
splice
panel,
remove
the
left
side
dash
panel
and
knee
bolster,
as
described
earlier
.
The
panel
is
located
above
and
lo
the
left
of
the
clutch
pedal
.
See
Fig
.
5
.
Page 391 of 759
1
.
Heater
valves
2
.
ABS
pedal
travel
sensor3
.
ABS
pump
Fig
.
10
.
Left
rear
of
engine
compartment
.
4
.
Main
engineharness
con-
nector
5
.
Power
distribution
box
ELECTRICAL
COMPONENT
LOCATIONS
610-5
0013202
0013226
Fig
.
11
.
M42
engine
idie
speed
control
valve
(arrow)
beneath
intake
manifold
0012421
Fig
.
12
.
M44
engine
intake
air
temperature
(¡Al)
sensor
in
air
filter
housing
Fig
.
13
.
M50/S50U
S
engine
intake
air
temperature
(IAT)
sensor
(1)
and
throttle
position
sensor
(2)
.
301180
0012724
Fig
.
14
.
M52/S52U
S
engine
intake
air
temperature
(IAT)
sensor
in
bot-
tom
of
intake
manifold
(throttle
housing
shown
removed)
.
COMPONENT
LOCATIONS
Page 396 of 759
610-10
ELECTRICAL
COMPONENT
LOCATIONS
Component
Model
Year
Location
Refer
to
ABS
Hydraulic
Control
Unit
1992-1998
Left
rear
engine
compartment
undermaster
cylinder
Fig
.
7
.
Fig
.
10
.
ABS
Hydraulic
Control
Unit
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
ABS
Pedal
Travel
Sensor
1992-1998
On
brake
booster
beside
master
cylinder
Fig
.
10
.
ABS
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
ABS/AS
T
(Traction)
Control
Module
1992-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
ABS
Speed
Sensor,
Left
Front
1992-1998
Left
front
steering
arm
Fig
.
31
.
Wheel
ABS
Speed
Sensor,
Left
Rear
1992-1998
Left
rear
trailing
arm
Wheel
ABS
Speed
Sensor,
RightFront
11992-1998
Right
front
steering
arm
Wheel
ABS
Speed
Sensor,
Right
Rear
1992-1998
I
Left
rear
trailing
arm
Wheel
1
A/C
Compressor
1
1992-1998
(
Rightlower
frontof
engine
A/C
Compressor
Control
Relay
1
1992-1998
1992-1998
1992-1998
A/C
Control
Module
A/C
Evaporator
Temperature
Sensor
A/C
Pressure
Switch
1992-1998
Right
frontof
engine
compartment
A/C
Program
Switch
1992-1998
Center
of
dash
below
radio
A/CRecharging
Ports
1992-1998
Right
rear
engine
compartment
Fig
.
16
.
Air
Flow
Sensor
1992-1998
Between
throttle
housing
&
filter
housing
Fig
.
7
.
Airbag
Contact
Slip
Ring
1992-1998
Rear
ofsteering
wheel
Airbag,
Driver
1992-1998
In
center
of
steering
wheel
Fig
.
25
.
Airbag,
Passenger
1994-1998
Right
front
of
dash
above
glove
compartment
Fig
.
26
.
Airbag,
Side-Impact
1997-1998
Behind
right/left
front
door
panel
Airbag
Control
Module
(Basic)
1992-1993
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
Airbag
Control
Module
(ZAE)
1994-1998
On
center
tunnel
under
rear
seat
cushion
Airbag
Crash
Sensor,
Airbag
1992-1993
On
righUleft
front
strut
tower
Airbag
Crash
Sensor,
Right/Left
1997-1998
Right/left
door
si¡¡
behind
front
seatSide
Impact
Alternator
(Generator)
1992-1998
Left
lowerfront
of
engine
Amplifier
Hi-fi
1992-1998
Left
front
side
of
luggage
compartment
Antenna
Amplifier
AM/FM
1992-1998
In
upper
left
side
C-pillar
Fig
.
27
.
COMPONENT
LOCA
TIONS
Table
a
.
E36
Component
Locations
Power
distribution
box
Fig
.
2
.
Behind
center
console
Left
sideof
heater
box
Continued
Page 398 of 759
610-12
ELECTRICAL
COMPONENT
LOCATIONS
Table
a
.
E36
Component
Locations
Component
Model
Year
Location
Refer
to
Combination
(Stalk)
Switch
1993-1998
Left
sidesteering
column
(turn
signals/high-low
bean
switch)
Convertible
Top
ActuatingSwitch
1994-1998
Center
console
Convertible
Top
Control
Module
1994-1998
In
lower
left
C-pillar
behind
trim
panel
Convertible
TopEnd
Position
Switch
1994-1998
In
convertible
top
linkage
Convertible
Top
Motor
1994-1998
In
left
sideof
trunk
behind
trim
panel
Convertible
Top
Position
1994-1998
In
convertible
top
linkage
Microswitch
Convertible
Top
Storage
Lid
Lock
1994-1998
In
convertible
top
compartment
left
side
Motor
Convertible
Top
Storage
Lid
1994-1998
Inright
side
convertible
top
storage
lid
latch
Microswitch
Convertible
Top
Storage
Lid
Motor
1994-1998
In
left
side
of
trunk
behind
trim
panel
Coolant
Leve¡
Sensor
(if
applicable)
1992-1998
Bolted
on
radiator,
left
side
Coolant
Temperature
Sensor
1992-1998
Left
front
of
engine/cylinder
head
Fig
.
19
.
Fig
.
20
.
Cooling
Fan
Dual
Switch
1992-1998
Right
side
radiator
Fig
.
18
.
Cooling
Fan
Motor
1992-1998
Behind
front
grill
Crankshaft
Position/RPM
Sensor
1992-1995
At
front
crankshaft
pulley
Crankshaft
Position/RPM
Sensor
1996-1998
Left
rearof
crankcase
Crash
Sensor,
Airbag
1992-1993
On
right/left
frontstrut
tower
Crash
Control
Module
1992
Auxiliary
relay
panel
Crash
Control
Module
1993-1998
Driver's
side
footwell
Crash
Sensor,
Right/Left
Side
1997-1998
Right/left
door
sill
behind
front
seat
Impact
Airbag
Cruise
Control
Actuator
1992-1998
Left
front
of
engine
compartment
Fig
.
7
.
Cruise
Control
Module
1992-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
Data
Link
Connector
1992-1998
Right
sideof
engine
Fig
.
7
.
Digital
Motor
Electronics
(DME)
1992-1998
Right
rear
engine
compartment,
behind
bulkhead
panel
Fig
.
7
.
Control
Module
DoorLock
Heater
1993-1994
Left
front
doorhandle
DoorHandle
Switch
1994-1998
left
front
door
Drive-away
Protection
(EWS
II)
1/1995
-
1998
Behind
glove
compartment
Fig
.
8
.
Module
Fig
.
9
.
Dual
Coolant
Temperature
Sensor
1997-1998
Below
intake
manifold
Fig
.
19
.
COMPONENT
LOCATIONS
Fig
.
20
.
Electronic
Immobilizer
Control
(
1/1995-1998
~
Behind
glove
compartment
Fig
.
8
.
Module
(EWS
II)
Fig
.
9
.
Continued
Page 399 of 759
Tablea
.
E36
Component
Locations
Component
Model
Year
Location
Refer
to
Engine
Compartment
Light
Switch
1993-1996
Over
right
headlight
assembly
Fig
.
7
.
Engine
Control
Module
(ECM)
1992-1998
Right
rear
enginecompartment,
behind
bulkhead
panel
Fig
.
7
.
Engine
Control
Module
(System)
1992-1998
I
Power
distribution
box
Fig
.
2
.
Relay
Engine
Coolant
Leve¡
Sensor
1
1992-1998
1
Left
front
of
enginecompartment,
radiator
coolant
reservoir
Engine
Coolant
Temperature
1992-1998
I
Left
front
of
engine
under
intake
manifold
I
Fig
.
19
.
Sensor
Fig
.
20
.
Evaporative
Emission
Valve
1992-1998
Left
side
strut
Power
area
Evaporator
Temperature
Sensor
1992-1998
Left
side
of
heater
box
EWS
II
Control
Module
1/1995
-
1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
EWS
II
Ring
Antenna
1
1/1995
-
1998
1
At
ignition
cylinder
EWS
II
Transmitter
Module
1/1995
-
1998
Right
side
of
steering
column
in
auxiliaryrelay
panel
Fig
.
3
.
Exhaust
Gas
Flap
Valve
1996-1998
Left
rear
muffler
area
Flasher
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Foglight
Relay
1
1992-1998
1
Power
distribution
box
1
Fig
.
2
.
Fresh
Air
FlapActuator
1
1992
1
Right
side
of
heater
box
Fresh
Air
FlapActuator
1
1993-1995
1
Below
right
side
heater
box
Fresh
Air
FlapActuator
1
1996-1998
Below
left
side
heater
box
Fuel
Injectors
1992
-
1998
Top
left
side
of
engine
Fuel
Leve¡
Sensor,
Left
1
1992-1998
/
Under
left
side
of
rear
seat
infuel
tank
Fuel
Leve¡
Sensor,
Right
1
1992-1998
1
Under
right
side
of
rear
seat
in
fuel
tank
1
Fig
.
28
.
Fuel
Pump
1
1992-1998
1
Under
right
side
of
rear
seat
in
fuel
tank
1
Fig
.
28
.
Fuel
Pump
Relay
1
1992-1998
1
Power
distribution
box
1
Fig
.
2
.
Fuel
Pump/Start
Identification
Relay
1994
-
1996
Power
distribution
box
Fuel
Tank
Pressure
Sensor
1
1997-1998
1
Right
rear
wheel
well
behind
trim
liner
ELECTRICAL
COMPONENT
LOCATIONS
610-13
Fuse
andRelay
x(Power
11992-1998
I
Left
side
of
engine
compartment
I
Fig
.
2
.
Distribution
Box
Fig
.
7
Fig
.
10
.
Gas
Filler
LockMotor
1992-1998
Right
side
of
luggage
compartment
Gear
Position/Neutral
Safety
Switch
1992-1998
Next
to
gear
shift
lever
in
center
console
Fig
.
29
.
(Automatic
Transmission
Range
Switch)
Glove
Compartment
Lock
Motor
1994-1998
Behind
glove
compartment
Grounds
G
100
1995-1998
Front
of
left
front
fender
(headlights)
Fig
.
22
.
G
101
1992-1998
Front
of
right
front
fender
Continued
COMPONENT
LOCATIONS
Page 400 of 759
610-14
ELECTRICAL
COMPONENT
LOCATIONS
Component
Model
Year
Location
Refer
to
G
102
1992-1998
Left
front
strut
tower
G
103
1992-1998
Right
front
strut
tower
G
110
1992-1998
Left
front
of
engine
G
111
1992-1998
Near
battery
G
117
1992-1998
Right
rearof
engine
G
119
1992-
1998
Right
front
of
engine
G
123
1992-1998
Right
side
of
safety
wall
G
200
1992-1998
Left
kick
panel
G
201
1992-1998
Right
side
ofI/P
G
202
1992-1998
Left
side
ofI/P
G
203
1992-1998
Right
kick
panel
G
230
1992-1998
Right
kick
panel
G
301
1992-1998
Below
rightfront
seat
G
302
1992-1998
Below
center
console
G
303
1992-1998
Below
right
rear
seat
G
310
1992-1998
Behind
right
rear
seat
G
312
1992-1998
Behind
left
rear
seat
G
313
1992-1998
Right
side
of
rear
shelf
G
314
1992-1998
Left
side
of
rear
shelf
G
400
1992-1998
Left
front
side
of
trunk
G
404
1992-1998
Left
rearside
of
trunk
Camshaft
Position
Sensor
1992-1998
Front
of
engine
Fig
.
7
.
Hard
Top,
Connector
1
1994-1998
In
convertible
top
compartment
left
side
Hard
Top,
Connector
II
1994-1998
In
convertible
top
compartment
left
side
Hazard
Flasher
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Headlight
High
Beam
Relay
1998
Left
hand
side
of
dash
behind
instrument
cluster
Headlight
High
Beam
Relay
1992-1997
Power
distribution
box
Headlight
Low
Beam
Relay
1992-1998
Power
distribution
box
Heat
ExchangerTemperature
1993-1998
Center
console
Sensors
(left
and
right)
HeaterBlower
Motor
1992-1998
Behind
fresh
air
cowl
HeaterBlower
Motor
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Heat
Rear
Recirculation
Flap
1997-1998
Right
sideof
heater
box
Actuator
COMPONENTLOCATIONS
Tablea
.
E36
Component
Locations
Continued
Page 401 of 759
Component
Model
Year
Location
Refer
to
Heater
Recirculation
Flap
Actuator
1992-1998
Below
left
dash
right
side
of
steering
column
HeaterBlowerMotor
Resistor
Pack
1992-1998
Behind
center
of
dashboard
Heater
Regulator
FlapActuator
1997-1998
Right
side
of
heater
box
HeaterValve
Assembly
1992-1998
Left
rear
engine
compartment
HeatingNentilation
Relay
Box
1992-1993
Below
left
side
of
dash
HeatingNentilation
Relay
1994-1998
Left
front
footwell
High
Speed
Cooling
Fan
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Homs,
Right/Left
1993-1998
Front
of
engine
compartment
Horn
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Horn
Relay
(Alpine)
1994-1998
Behind
glove
compartment
Fig
.
8
.
Board
Computer/Anti-Theft
Fig
.
9
.
Idle
Speed
Control
Valve
1992-1995
Top
rearof
enginebehind
intake
manifold
(M42
engine)
Fig
.
11
.
Idle
Speed
Control
Valve
1992-1995
Top
left
side
of
engine
(M50
engine)
Idle
Speed
Control
Valve
1993-1996
Below
intake
manifold
(M50/S50US
engine)
Idle
Speed
Control
Valve
1996-1998
On
throttle
housing
(M44
engine)
Fig
.
15
.
Idle
Speed
Control
Valve
1997-1998
Left
front
of
engine
below
intake
manifold
(M52/S52US
engine)
Ignition
Coils
1992-1998
Right
of
engineunder
plastic
cover
(four-cylinder)
Fig
.
7
.
Ignition
Cofs
1992-1998
Top
of
engine
undercover
(six-cylinder)
Fig
.
17
.
Ignition
Switch
1992-1998
Right
sídeofsteering
column
Intake
Air
Resonance
Changeover
1992-1998
Leftrear
of
engine
compartment
Valve(DISA)
Intake
Air
Temperature
Sensor
1992-1995
In
mass
air
flow
sensor
(M42
engine)
Intake
Air
TemperatureSensor
1996-1998
In
top
ofair
filter
housing
(M44
engine)
Fig
.
12
.
Intake
Air
Temperature
Sensor
1992-1998
I
Left
sídeof
engine
in
intake
manifold
(six-cylinder)
-
-
I
Fig
.
13
.
Fig
.
14
.
Kick-Down
Switch
(A/T)
1
1992-1998
1
Left
footwell
Mixing
Actuators
1
1992-1998
1
Heater
box
ELECTRICAL
COMPONENT
LOCATIONS
610-15
Table
a
.
E36
Component
Locations
Knock
Sensors
1
1992-1998
1
Left
side
of
engine
block
Left
Front
Power
Window
Motor
11992-1998
/
Left
front
door
Left
Front
Window
Monitoring
Switch
1
1997-1998
1
Left
front
door
trim
panel
Left
Front
Window
Retraction
Switch
1
1992
-
1993
1
Left
front
door
handle
lock
assembly
Left
Splice
Panel
1
1992-1998
1
Under
left
side
of
dash
at
kick-panel
1
Fig
.
5
.
Main
Fuse
and
Relay
Box
(Power
1992-1998
I
Left
sideof
engine
compartment
Fig
.
2
.
Distribution
Box)
1
I
Mass
Air
Flow
Sensor
1992-1998
I
Left
side
of
engine,
intake
air
duct
Fig
.
7
.1
I
Fig
.
15
.
Continued
COMPONENT
LOCATIONS
Page 402 of 759
610-16
ELECTRICAL
COMPONENT
LOCATIONS
Component
Model
Year
Location
Refer
to
MixingSwitch
1992-1994
Center
console
Multi-Function
Clock
1992-1998
Center
console
Multi-information
Display
(MDI)
1992-1998
Center
console
Normal
Speed
Cooling
Fan
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Neutral
SafetySwitch
(Automatic
1992-1998
Next
to
gear
shift
lever
in
center
console
Fig
.
29
.
Transmission
Range
Switch)
Oil
Pressure
Switch
1992-1998
Left
front
of
engine
below
intake
manifold
at
oil
filter
housing
On-Board
Computer
1992-1998
Center
console
On-BoardComputerHorn
Relay
1992-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
On-Board
Computer
Temperature
11992-1998
I
Right
front
of
engine
compartment
Sensor
Outside
Temperature
Sensor
1992-1997
Inright
front
brake
cooling
duct
Outside
Temperature
Sensor
1998
Right
rear
of
engine
compartment
behind
fresh
air
cowl
Oxygen
Sensor
HeaterRelay
1992-1998
Power
distribution
box
Fig
.
2
.
Oxygen
Sensor(s)
1992-1998
On
exhaust
pipe
ahead/behind
catalytic
converter
(M42/M44
engine)
Oxygen
Sensor
(x2)
1992-1995
On
exhaust
pipe
ahead
of
catalytic
converter
(M50/S50US
engine)
Oxygen
Sensors
(x4)
1996-1998
On
exhaust
manifold/exhaust
pípe
behind
catalytic
converter
(M52/S52US
engine)
Parking
Brake
Switch
1
1992-1998
I
On
rear
of
parking
brake
lever
Power
Distribution
Box
11992-1998
I
Rear
left
of
engine
compartment
I
Fig
.
2
.
Fig
.
7
.
Fig
.
10
.
Radio
Microswitch
1992
-
1996
Center
console
behind
radio
Radio
Receíver
1
1997-1998
1
Right
rear
luggage
compartment
Relay
And
Fuse
Box
(Power
1992-1998
I
Left
side
of
engine
compartment
I
Fig
.
2
.
Distribution
Box)
Fig
.
7
.
Fig
.
10
.
Rear
Window
Blower
1994-1998
Behind
rear
seat
(convertible)
Rear
Window
Blower
Microswitch
1994-1994
At
convertible
top
linkage
Rear
Window
Blower
Microswitch
1995-1998
Behind
rear
seat
(convertible)
Rear
Window
BlowerRelay
11994-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
Fig
.
2
.
Fig
.
30
.
Fig
.
8
.
Rear
Window
DefoggerRelay
Reversing
(Back-up)
Light
Switch
SplicePanel,
Right
Rollover
Protection
Actuator
11994-1998
COMPONENT
LOCATIONS
Table
a
.
E36
Component
Locations
1992-1998
1992-1998
1992-1998
Power
distribution
box
Right
or
left
side
top
of
transmission
Behind
glove
compartment
Behind
rear
seat
(convertible)
Fig
.
9
.
Continued