1998 BMW M3 fluid

WINDSHIELD
CLEANING
SYSTEM



Washer
f
luid
reservoir,
replacing

1
.
Open
hood
and
siphon
out
washer
fluid
reservoir
.
The
windshieldcleaning
system
includes
the
spray
nozzles

in
the
engine
hood,
the
washer
fluid
pump,
and
the
washer
flu-

id
reservoir
in
the
front
passenger
side
of
the
engine
compart-

ment
.

The
windshield
spray
nozzles
can
be
aimed
by
using
asew-

ing
need1e
or
a
similar
diameter
stiff
piece
of
wire
.

Windshield
spray
nozzle,

removing
and
installing

1
.
Open
hood
andremove
hood
insulating
pad
retaining
clips
until
bottom
of
nozzle
canbe
fully
accessed
.
See
410
Fenders,
Engine
Hood
.

2
.
Carefully
disconnect
hose
from
nozzle
.
Disconnect
har-

ness
connectors
for
nozzleheater
.

3
.
Push
nozzleout
of
hood
.
See
Fig
.
21
.

Fig
.
21
.
First
push
nozzle
forward
then
upward
from
underneath
hood
.

4
.
Installation
is
reverse
of
removal,
noting
the
following
:

"
Check
that
colors
of
harness
and
nozzle
connector

match
.

"
Check
and
adjust
nozzles
before
driving
.

WIPERSAND
WASHERS



611-
9

2
.
Remove
windshield
washer
pump
and
hose
as
de-

scribed
later
.

3
.
Remove
windshield
washer
fluid
level
sensor
as
de-

scribed
later
.

4
.
Remove
large
plastic
washer
reservoir
retainer
at
fend-

e
r
.

5
.
Remove
reservoir
.

6
.
Installation
is
reverse
of
removal,
noting
the
following
:

"
On
installation
check
that
washer
fluid
hose
is
not
kinked
.

"
Replacehose
clamp
.

Windshield
washer
fluid
pump,
replacing

The
windshield
washer
fluid
pump
ís
mounted
in
the
washer

fluid
reservoir
.

1
.
Open
hood
and
siphon
out
washer
fluid
reservoir
.

2
.
Depress
retaining
tabs
on
electrical
connector
and
un-

plug
harness
connector
from
pump
.

3
.
Loosen
hose
clamp
and
remove
washer
fluidline
from

washer
pump
.

4
.
PA
pump
out
of
tank
.
See
Fig
.
22
.

Fig
.
22
.
Pull
windshield
washer
pump
up
to
remove
(arrow)
.

5
.
Installation
is
reverse
of
removal
.
Check
pump
to
tank

sealing
grommet
for
damage
and
correct
fit
.
Replace

hose
clamp
.
Check
that
washer
fluid
hose
is
free
of

kinks
.

WINDSHIELD
CLEANING
SYSTEM

611-
1
0



WIPERS
AND
WASHERS

Washer
fluidleve¡
sensor,
replacing

(modeis
with
check
control)

The
washer
fluid
level
sensor
is
mounted
in
the
fluid
reser-

voir,
near
the
bottom
of
thecontainer
.

NOTE-

Check
wire
leads
at
sensor
for
worn
insulation
and
cor-
rosion
.
Check
electrical
contacts
in
harness
connector
for
corrosion
.

1
.
Open
hood
and
siphon
out
washer
fluid
reservoir
.

2
.
Lift
harness
connector
retaining
lever
and
unplug
har-

ness
connector
to
washer
fluid
level
sensor
.
See
Fig
.

23
.

3
.
Pul¡
fluid
leve¡
sensor
out
from
rubber
grommet
.

4
.
Install
new
sensor
into
reservoir
.
Check
sealing
grom-
met
for
correct
fit
.
Replace
if
damaged
.

WINDSHIELD
CLEANING
SYSTEM

620-2
INSTRUMENTS

Fig
.1.



Instrument
cluster
retaining
screws
(arrows)
.

INSTRUMENT
CLUSTER

0012562

Fig
.
3
.



Turnbulb
base
45°
in
direction
shown
(arrow)
.

l
v



w
r
v
9



10



11



12



13



14



15



16



)7



18



19



20
y
21

1
.
Temperature
warning



12
.
Brake
fluid
warning

oo13n6



2
.
Right
turn
signal



13
.
Brake
pad
wear
warning
3
.
Instrument
lighting



14
.ABS
warning
Fig
.
2
.



Instrument
cluster
connector
locking
lever
(arrow)
.



4
.
Oil
pressure
warning



15
.
Seat
belt
warning5
.
Highbeam



16
.ASTwarning
6
.
Battery
charging
lamp



17
.Check
control
6
.
Installation
is
reverse
of
removal,
noting
the
following
:



7
.
Left
turn
signal



18
.Check
engine

"
Instrument
cluster
harness
connector
locking
levers



8
.
Low
fuel
warning



19
.
LCD
lighting

must
be
in
up
position
before
installing
connector
.



9
.
Airbag
warning



20
.
Rear
foglight
(not
used)
10
.
Catalytic
converter
warning



21
.
Front
foglights
"
Install
airbag
to
steering
wheel
as
described
in
721



11
.
Emergency
brake
Airbag
System
(SRS)
.



0012563

"
Reconnect
negative
(-)
cable
to
battery
last,
once
al¡



Fig
.
4
.



Bulb
designation
chart
.

harness
connectors
have
been
reconnected
.

"
Recode
cluster
as
described
in
Instrument
cluster,



CAUTION-
seif-testing
.



Note
wattage
of
bulb
.
Excessive
wattage
could
melt
cluster
housing
.
Replace
defective
bulbs
with

Instrument
cluster
bulbs,
replacing



reptacementbulbs
of
the
same
wattage
.

1
.
Remove
instrument
cluster
as
described
above
.



Odometer
coding
plug,
replacing

2
.
Remove
faulty
bulb
by
turning
bulb
base
45°
inits

mount
and
remove
from
housing
.
See
Fig
.
3
.



The
coding
plug
maintains
a
record
of
thevehicle
mileage
.

The
back
of
the
instrument
cluster
and
its
bulb
locations
are



1
.
Record
vehicle
mileage
.

shown
in
Fig
.
4
.
2
.
Remove
instrument
cluster
as
described
earlier
.

GENERAL

E36
cars
are
equipped
with
integrated
automatic
heating

and
air
conditioning
systems
.
Many
of
the
procedures
given
in

this
repair
group
require
that
the
A/C
refrigerant
charge
be

evacuated
using
specialized
equipment
.
See
A/C
System
Warningsand
Cautions
later
in
this
repair
group
.

HEATER
AND
CONTROLS

Blower
motor,
removing
and
installing

NOTE-

On
6-cylinder
cars,
the
plastic
top
enginecover
and
fuel
rail
covermustbe
removed
.
The
fuel
injectorhamess
re-
taining
screws
must
be
removed
and
the
harness
set
aside
.
The
engine
control
module
(ECM)
cover
must
be
removed,
the
control
unit
connectors
unplugged
and
the
harness
pulled
out
of
the
way
.
See
130
Fuel
Injection
.

1
.
Disconnect
negative
(-)
cable
from
battery
.

2
.
Open
hood
.
Unclip
engine
bulkhead
plenum
grille
at

base
of
windshíeld
and
remove
grille
.
See
Fig
.
1
.

HEATING
AND
AIR
CONDITIONING



640-1

640
Heating
and
Air
Conditioning

GENERAL
.
...
.
....
.
.
.
.
.
.
.
.
.
.......
.
.
.
640-1



Heater
andA/C
air
distribution
motor,

replacing(rotary-knob)
.
.
...
.
.
.
.......
.
640-10

HEATER
AND
CONTROLS
.
.....
.
.
.
.
.
.
.640-1



Rear
Window
Defogger
.
.
.



.
.
.
.
.
.
.
...
.
.
.
640-10
Blower
motor,
removing
and
installing
.
.
.
.
.
.
640-1



Rear
Window
Blower
(convertible
models)
.
.640-10

Blowermotor
resistor
pack,
replacing



.
.
.
.
.
.
640-3



AIR
CONDITIONING
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-11
Heater
valve,
replacing
...........
.
.
.
.
.
.
.
640-3

Heater
box,
removing
and
installing
.
.
.
.
.
.
.
.
640-4



A/CSystem
Warnings
and
Cautions
.
.
.
.
.
.
:640-11

Heater
core,
replacing
.....
.
.
:
....
.
.
.
.
.
.
.
640-6



A/C
compressor,
replacing
.
.
::.
:
:
.
.
.
.
.
.
.
.640-12

Heater
core
temperature
sensor,
replacing
.
.
640-7



A/C
Compressor
Clutch
.
.
.
.
.
.
.
:
.
.
.
.
.
.
.
.
.
640-13

Heater
andA/C
Control
Head
.
.
....
.
.....
.
640-7



A/C
condenser,
replacing
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-14

Heater
andA/C
control
head,
removing



A/C
receiver/drier,
replacing
.
.
.
.
.
.
.
.
.
.
.
.
.
640-15
and
installing
(rotary-knob)
.
.
....
.
......
640-7



A/C
expansion
valve,

Heater
andA/C
control
head,
removing



removing
and
installing
...
.
.....
.
.
.
.
.
.
.
640-16
and
installing
(digital-display)
.
.....
.
.....
640-8



A/C
evaporator,
removing
and
installing
.
.
..
640-17

Heater
andA/C
control
module,removing



A/C
evaporator
temperature
sensor,

and
installing
(rotary-knob)
.
.
...
.
.
.
.
.
.
.
.
640-8



replacing
.
.
.
.
.
.
..............
.
.
.
.
.
..
640-17

Heater
andA/C
control
module,removing



A/C
microfilter,
replacing
......
.
....
.
.
.
..
640-18

and
installing
(digital-display)
.
...
.
.
.
.
.
...
640-8

Sensor
fan
for
interior
temperature,



TABLES

replacing
.
.
.
....
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-9



a
.
Blower
Motor
Test
Values
.........
...
.
.
......
640-3

Heater
andA/C
AirDistribution
Motors
.
.
.
.
.
.
640-9



b
.
Heater
Core
Temperature
Sensor
Test
Values
...
.640-7

c
.
Evaporative
Temperature
Sensor
Test
Values
...
640-17

d
.
A/C
System
Fluid
Capacities
(total)
..
..........
640-18

0012527

Fig
.
1
.
Detach
grille
retaining
clips
(arrows)
and
pull
grille
upward
and
out
of
rubbergasket
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautionsgiven
at
the
front
of
this
manual
onpage
viii
.

HEATER
AND
CONTROLS

640-18



HEATING
AND
AIR
CONDITIONING

A/C
microfilter,
replacing

1
.
Remove
glove
compartment
.
See
513
Interior
Trim
.

2
.
Remove
right
footwell
ventilation
duct
.
See
Fig
.
51
.

0012664

Fig
.
51
.
Unfasten
retaining
rivets
from
right
ventilation
duct
(arrows)
.

3
.
Remove
right
side
control
module
carrier
screws
and
tilt

carrier
down
.
See
Fig
.
52
.

Fig
.
52
.
Control
module
carrier
retaining
screws
(arrows)
.

0012666

4
.
Rotate
A/C
microfilter
housing
release
knob
about45°

counterclockwise
and
remove
filter
housing
cover
.
See
Fig
.
53
.

5
.
Remove
microfilter
while
moving
module
harnesses

out
of
the
way
.

6
.
Installation
is
reverse
of
removal
.

AIR
CONDITIONING

Fig
.
53
.
A/
C
microfilter
cover
release
knob
(arrow)
on
passenger
side
ofheater
box
.

Table
d
.
A/CSystem
Fluid
Capacities
(total)

Fluid



I
Quantity
R-12
refrigerant



1200g
t
25
g
(2
.65
Ibsa
0
.05lbs
.)

R-134a
refrigerant



1000
g
±
25
g
(2
.20
Ibs
.t
0
.05lbs
.)

PAG
oil
SP-10



1200
ml
f
20
ml(R12
system)
(6
.8
oz
.
±
0
.7
oz
.)

Nippondeso120mi
Refrigerant
oil
(R1
34a
system)



I
Seiko
Seiki
150m1

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-36
ELECTRICAL
WIRING
DIAGRAMS

64852

70G202
(DIAGRAM
1
OF
5)

BR

BRN

LEFT



RIGHT



ASS



BRAKE



WIPER



WIPER



HAZARD
I



(
WASHER



I



(
WASHER



I



(
RELAY



I



(
FLUID



I



(
MOTOR



I



(
RELAY



I



(
FLASHER
I



(JET



I



(JET



I



I



I



(LEVEL



I



I



I



((CANADA)



I



(
RELAY

I



(
(CANA
HEATER
DA)



I



I
(CANADA)



I



I



I



(
SWITCH



I
HEATE



I



I
I



I
I
J,
s'(
2



B'(
a7

-1993
ONLY

Ground
Distribution

1992-93
(2
of
5)

BLOWER
HIGH



LOW



WIPER(



LEFT



COMFORT
I



(
RELAY



I



(
BEAM



I



(
BEAM



I



(
WASHER



(



)
FRONT



I



(
RELAY
I



I



I



(
LIGHT



I



(
LIGHT



I



(
MODULE



AUXILIARY



I



II



I



I



(
RELAY



(
RELAY



I_



(
(USA)



TURN



I_



_



I
LIGHT

¢
I
-2



-
if



E
a
l
ONLY

CENTRAL



SUNROOF



ONT



LEFT



RIGHT



RIGHT
(
LOCKING



I



(
CONTROL



1--,FP
DOME/



I



(
MAKEUP



I



(
POWER



I



(
WINDOW
I



(
MODULE



I



(
ASSEMBLY



I



(
MAP



I



(
MIRROR



I



(
WINDOW



I



(
RETRACTION

AISSEMBLY



I



_
I
SWITCH



I



-I
MODULE



I



-
I
HANDLE
133



2



1



9



i
CONTRACT
SWITCH(EARLY

I-



LEFT



I



(
INERTIA



I



(
RIGHT



I



(
RIGHT



I-
i
RIGHT



PRODUCTION)
SEAT



SWITCH



MAKEUP



SIDE



DOOR
I
(BELT



I
I



I
(MIRROR



I
(MIRROR



I
(JAMB
SWITCH



I



-I



I



_I
SWITCH



I_



I



I



-I
SWITCH

,7



1Y



1Y



.L



17

LEFT



RIGHT



MIRROR



LEFT



LEFT
I
V
I



EATBACK



I
v
(
SEAT



I



I

v

(
CONTROL



I



(
POWER



I



(
WINDOW
H
I



(



EATER



I



(
BELT



I



(
SWITCH



I



(
WINDOW



I



(
RETRACTION
-
I



I



-I
S
DOOR
WITCH



I



-I



I



-I
MODULE



I



~I
HANDLE
1
CONTRACT
SWITCH
(EARLY

I



I
SEAT
T
I


I
S
ATBACK
RIGHT



-1



I



I
SEDE



I



(
DOOR



PRODUCTION)

I

v

(
CONTROL



I
v



HEATER



I



(
MIRROR



I

v

(
JAMB
I



-(
SWITCH



I
I
-



I
I



I
_
(SWITCH



x1993
-



-(-



ONLY

-1992
ONLY

J
-
L

I



(LEFT



LEFT



RIGHT



LE
T



RIGHT
POWER



I



(
POWER



I



(
POWER



I



(
REAR



I



(
REAR
I



(
WINDOW



I



(



DOOR



DOORWINDOW



I



(
WINDOW
I



II



II



-I
SWITCH



I



-
I
MODULE



I



-I
SWITCH_



I



-I
POWER



POWERWINDOW



I



-I
WINDOW
SWITCH



1
SWITCH
(CONSOLE)



Y
(CONSOLE)

e

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
(JET



II



I
IRELAY



I
((CANADA)
m
I
,LIGHT



II



I
IRELAY
I



(HEATER



i
v
I



I
v
(SWITCH



I
v
I



I
v
IRELAV



I
v
I



,
v
I

BR

I
LIGHT



LEFT



IGNITION
CHIME



DRIVERS



DIMMER



RIGHT



,SWITCH
I(
PARK
I
SWITCH
I



MODULE



I



SEAT
.
BEAT



I



,



(



)
FRONT



I



I



I



(LIGHT



]



II



_



_I



,



,
HEATER



I



I



-



AUXILIARY



I



-I



I



-I
RELAY



I



I
I



-I



I



-I
SWITCH



I



-I



TURN
LIGHT



7



91



6



6



INSTRUMENT



STARTER



WIPER/



HORN
UNLOADER



BRAKE



PASSENGERS



,
CLUSTER
I
,RELAY
I
WASHER
I
,
SWITCH
I
,RELAY
I
LIGHT
I
,SEAT,SEAT



II



I
I



I
SWITCH
I



II



I



I



(
SWITCH



I



(
HEATER



I



I



I



I



I



I



I



I

"T
I



I

^T
I



I

°T

SWITCH



3



`



T



T

BRN

G302

-
I
-
.
LIGHT

-
1_
G302