1995 BMW M3 coolant temperature

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

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

640-6



HEATING
AND
AIRCONDITIONING

Heater
core,replacing

1.
Drain
engíne
coolant
.
See170
Radiator
and
Cooling

System
.

WARNING
-

Allow
the
cooling
system
to
cool
before
opening
or
drainíng
the
cooling
system
.

2
.
Remove
center
console
.
See
513
Interior
Trim
.

3
.
Remove
Multi-Information
Display
(MID)
module
.
See

620
Instruments
.

4
.
Remove
lower
dash
panel
and
knee
bolster
on
driver

side
.
See
513
Interior
Trim
.

Fig
.
17
.
Wire
harness
retaining
clips
and
wire
ties
at
heater
box
cover
5
.
Working
under
driver
side
of
dash,
remove
coolant



(arrows)
.
flange
from
heater
core
.
See
Fig
.
16
.

0012651

Fig
.
16
.
Bolts
at
3-way
coolant
flange
under
driver's
side
of
dash
(ar-
rows)
.

NOTE-

Residual
coolant
in
heater
core
will
spill
.
Protect
thecarpet
.

6
.
Working
at
front
of
driveshaft
tunnel,
unclip
wire
har-

nesses
and
move
to
one
side
in
front
of
heater
box
.
See
Fig
.
17
.

7
.
Remove
heatercore
temperature
sensorsas
described

later
in
this
repair
group
.

8
.
Remove
front
heater
box
cover
.
See
Fig
.
18
.

9
.
On
right
side
of
heater
box,
unclip
heater
air
duct
actu-
ating
lever
.
Remove
cross-rod
(with
flaps)
from
frontof
heater
core
.
See
Fig
.
19
.

HEATER
AND
CONTROLS

0012662

Fig
.
18
.
Screws
retaining
front
heater
box
cover
(shown
removed)
to
heater
box
(arrows)
.

0012661
Fig
.
19
.
Pry
heater
flap
actuating
lever
in
direction
A
.
Pull
offair
flap
cross-rod
in
direction
B
.

10
.
Pul¡
heater
core
up
and
backward,
away
from
heater
box
.
If
necessary,
remove
left
and
right
reinforcing
bracket
bolts
.
See
Fig
.
20
.

CAUTION-

Replace
coolant
flange
O-rings
and
tighten
fas-
teners
to
specified
torques
.

Tightening
Torques

1
.
Remove
center
console
.
See
513
Interior
trim
.

0012660

Fig
.
20
.
PA
heater
core
upand
towardback
of
car
.
Lower
mounting
bolts
for
steering
column
brace
and
glove
compartment
sup-
port
frame
may
have
to
be
removed
(arrows)
.

11
.
Installation
is
reverse
of
removal
.
Fill
and
bleed
cooling

system
.
See
170
Radiator
and
Cooling
System
.

"
Coolant
flange
to
heater
core
.
..
....
3
Nm
(27
in-lb)



Heater
andA/C
Control
Head

Heatercore
temperature
sensor,
replacing

The
automatic
heating
and
air
conditioning
systemuses

severa¡
sensors
to
control
interior
air
temperature
.
Use
the
fol-

lowing
procedure
and
the
data
in
Table
b
to
pinpoint
problems

with
theheater
core
sensors
.

2
.
Remove
Multi-Information
Display
(MID)
module
.
See

6201nstruments
.

HEATING
AND
AIR
CONDITIONING



640-7

0012648

Fig
.
21
.
Remove
heatercore
temperaturesensors
in
direction
shown
(arrow)
.

Table
b
.
Heater
CoreTemperatureSensor
Test

Values

Test
temperature



Resistance

4°F
(-20°C)



84
.39
-
109
.61
k
ohms

14
°
F
(-10°C)



48
.58
-
62
.09
k
ohms

32°F
(0°C)



28
.89
-
36
.40
k
ohms

68°F
(20°C)



11
.13
-
13
.83
k
ohms

140°F
(60°C)



2
.19
-
2
.78
k
ohms

212°F
(100°C)



0
.58
-
0
.77
k
ohms

Two
types
of
heater
and
aír
conditioning
control
heads
viere
installed
in
E36
cars
.
Early
models
have
control
heads
with
four
rotary
knobs
and
a
separate
control
module
.
A
flexible

shaft,
clipped
to
the
right
sideof
the
control
head,
controls
the
heater
flaps
.

Later
model
E36
cars,
starting
in
approximately
mid-1995,

have
digital
display
control
heads
with
buttons
.
The
A/C
con-
trol
module
is
integrated
with
the
digital
control
head
.

Heater
and
A/C
control
head,

removing
and
installing
(rotary-knob)

3
.
Pul¡
temperature
sensors
from
heater
box
and
discon-



1
.
Remove
Multi-Information
Display
(MID)
module
from

nect
harness
connectors
.
See
Fig
.
21
.



center
of
dash
.
See
620
Instruments
.

4
.
Installation
is
reverse
of
removal
.



2
.
Pul¡
off
outer
rotary
knobs
from
A/C
control
head
.
Re-

move
two
screwsonknob
bezels
.
Remove
control
pan-

el
face
plate
by
prying
it
off
control
head
gently
.
See
Fig
.

22
.

3
.
Carefully
push
control
head
back
into
dash
and
down-

ward
through
MID
opening
.
See
Fig
.
23
.

HEATER
AND
CONTROLS

84831

HEADLIGHT/



RIGHT
I



I
FOG
LIGHT



I



I
HIGH
I



I
WASHER



I



(BEAM
I
(CANADA)



I_



I
LIGHT

,7
WASHER



BIGHT
I



FLUID



I



I
LOW
I



I
LEVEL



I



I
BEAM
SWITCH



LIGHT
I



I



_
(
GSA
)



I



_I

TURN
I



LIGHT
I
I



I
L_
__--_J

I



I
DIMMER

I



I



I



I

INSTRUMENT
I



I
CLUSTER
I



I

LIGHT
I



I
SWITCH
BRN
1
SPIN
FROMLEFTWASHER
JETHEATER
1



(DIAGRAM20F3)
G202

1993
ONLY

Ground
Distribution

1992-93
(1
of
5)

STARTEP
I



I
RELAY
I



I

1993
ONLY

RIGHT
(



)
FRONT
AUXILIARY
TURN
LIGHT

ELECTRICAL
WIRING
DIAGRAMS
ELE-35

LEFT
I



I
PARK
I



I
LIGHT
I



_I
RELAY

I



I



I
WASHER



PRESSURE
"'



RIGHT



I



PUMP



I



I
SWITCH
(



)
FRONT



I



I



(
(CANADA)



I



I
PARK



I
I



I
II
LIGHT
RIGHT
(



)
FRONT
TURN
Y
LIGHT

_
__
_
_
_
_
_
_
__



AUXILIARY



ENGINE



LEFT



LEFT



LEFT



-



LEFT
r



-1



(



(
FAN



I



(
COOLANT



I



(
LOW



I



(
HIGH



I



(
HORN



)
FOG



I



'CONTROL



FIGHT
I



-
.



I



I



(
MOTOR



I



(
LEVEL



I



(
BEAM



LIGHT



CONTROL



I



(
HORN
LEFT



I
(BEAM



I
I



I
(ACTUATOR
II(



)PARK



I



I



I



I



I
SWITCH



I



(
LIGHT



I



(
LIGHT



L-1
_
_



_



L-1



_
I



-I
"°"'
!7T
,7,T,
,



,

-
LEFT
(



)
FRONT



1-1-
ONLY

1992
T
4
-
ONLY

-
1993
ONLY

I
(TEMPERATURE
I
SWITCH
I

IGNITION



II
II
SWITCH



4L
Gill
I



6111

WIPER/
I
---



I
WASHER
II
SWITCH



_



_
II



CASSETTE



HORN
(



)
BOX



I



I
SWITCH

RIGHT
(



)
FOG
v
LIGHT

BRN

LIGHT
-



I



I
(COMBINATION

~-I
SWITCH)

~f
-
1993
ONLY

ON-BOARD



UNLOADER



LEFT



DIMMER
LEFT



I



I



(
COMPUTER



I



(
RELAY



I



(
SEAT



I



(
SWITCH
I
(



)
PARK



I



I



I



I



i



I



(
HEATER



I



I



_
RIGHT
I



.-
LIGHT



I



I_
-
I



I



-I



I



_(
SWITCH



~



_I



(



)
FRONT
I



I



AUXILIARY
I



I



17



9



4



TURN
LEFT



CIA
ME



¢



BLOWER



BRAKE



RIGHT



LIGHT
I



(



)
FRONT



I



I



(
MODULE



I



I
RELAY



I



(
LIGHT



I



(
SEAT
I



-
TURN



I



I



I



I



I



I



(
SWITCH



I



(
HEATER
I



LIGHT
II



I



I



_I



I



_)



I



_I



I
v
I
SWITCH



"
-
1992
ONLY

ELE-40
ELECTRICAL
WIRING
DIAGRAMS

RIGHTHEADLIGHT/



RIGHT
I



FRONT
I



FOG
LIGHT



I



HIGH



I



TURN
I



I
WASHER



I



I
BEAM



LIGHT
I
(PUMP



I
(LIGHT
,
L-
1



1



1



I
(POWER



I
(DOOR
I
]CONTROL
_
_



_-1



WINDOW



I



(
(CONSOLE)



I



(
(CONSOLE)
WASHER



RIGHT



WASHER



PRESSURE
m



ANTI-



--
SWITCH



--
POWER



--
(L
DOOR)
I
(FLUID



I
LOW



I
(PUMP
I
SWITCH
(-
IITHEFT



S
(CONVERTIBLE)



S
SWWINDOW
ITCH
3
I
(LEVEL



I
(BEAM



I
I(CANADA)
m
II



I
IIHORN



WSWITCH
I
SWITCH
I



(
LIGHT



I



I



I



I



I



(1995)



(4
DOOR)

I7
IT



~
~T

I



(



)
PARK



I
-
LIGHT



I



I
'DRIVERS



(
(PASSENGERS
I
(CENTRAL
LEFT
,



JI



I
(WINDOW



I(
POWER



]
(POWER
AUXILIARY



LEFT



I



FRONT
I



RIGHT



WINDOW



WINDOW
I



,



_



_



_
FAN



I



(
HIGH



(-
TURN



I
-
(


HORN



LEFT



I



(
SWITCH



I



(SWITCH



I



(
SWITCH
I



(
MOTOR



LIGHT
I--
I
LIGHT



LIGHT



¢~



¢~



¢~



(CONVERTIBLE)
I



I,
-I



I
-(



---



-

84318

ENGINE



LEFT



LEFT



CRUISE
I



I



I



rII



I



I
COOLANT
m



LOW



HORN



CONTROL
I
(LEVEL



I
(BEAM



I
II



I
(ACTUATOR
I



_I
SWITCH



I



-
(LIGHT



I



I_



-I
1



1



1



8

BRN

LEFT



LEFT



LEFT
I



I



I



I



I



I
REAR



REAR



REAR
RIGHT



I



I



(
POWER



I



(
DOOR



I



(
WINDOW
I
PARK
I



I
(WINDOW
I
((CONSOLE)
I
SWITCH
I



l,



LIGHT



I



--
SWITCH



--
POWER



-
r
-
(6
DOOR)
(CONVERTIBLE(

/A
BF.

T

BRN

Ground
Distribution

1994-95
Except
318ti
(1
of
5)

I
(TEMPERATURE
-
RIGHT
I
SWITCH



)FOG
51



¢1

WINDOW
SWITCH
(C
DOOR)

I



I
REAAT



I



,
FEAR'



I



,
PCHILD
ROTECTION

LEFT



FRONT



BRAKE



WIPER



THROTTLE



OW



WIPER/



LEFT
I



,
WASHER



I



(
FOG



I



(
FLUID



I



(
MOTOR



I



(FLAP



I



(LBEAM



I



(
WASHER



(



)
FRONT
I
(JET



I
[LIGHT



I
(LEVEL



I
I



I
(HEATER



I
(LIGHT



I



MODULE



_
AUXILIARY
_



_



_
(HEATER



I



-(RELAY



I



_(
SWITCH



I



I



I



SWITCH



I



-
IRELAY



I



(LOW
11)



TURN
LIGHT
_



a



_
2



1



s
RIGHT



ASS



COMPRESSOR
t
WIPER



HIGH



BLOWER



HAZARD
I
WASHER
I
RELAY



I
]CONTROL



I
RELAY
I
(BEAM



II
RELAY



I
(FLASHER
I
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II



I
IRELAY



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