1993 BMW M3 lock

Taillight
assembly,

removing
and
installing

1
.
Open
trunk
lid
.
Remove
cover
from
rear
of
taillight
.
Re-

fer
to
Fig
.
11
.

2
.
Depress
locking
tabs
on
electrical
harness
convector

and
disconnect
from
rear
of
taillight
lens
assembly
.
Re-

move
four
taillight
assembly
retaining
nuts
.
See
Fig
.
13
.

0012574

Fig
.
13
.
Taillight
mounting
nuts
(arrows)
and
harness
connector
(A)
.

3
.
Installation
is
reverse
of
removal
.

Center
Brake
Light

On
convertible
models,
it
is
necessary
to
open
trunk
lid
and

remove
inner
tailgatetrim
adjacent
to
license
plate
light
as-

sembly
.
Then
remove
the
electrical
connectors
and
four
cen-

ter
brake
light
retaining
nuts
.
Push
center
brake
light
out
.

Replace
bulbs
if
necessary
.

On
4-door
and
coupe
models,
open
trunk
lid
.
Working
di-

rectly
under
center
brake
light,
turn
bulb
socket
counterclock-

wise
1
/4turn
andremove
from
center
brake
light
assembly
.

Replace
bulb
if
necessary
.
See
Fig
.
14
.

EXTERIOR
LIGHTING



630-
5

0012575

Fig
.
14
.
Turncenter
brake
light
socket
counterclockwise
and
remove
bulb
.

Center
brake
light
housing,
replacing

(4-door
andcoupe
models)

1
.
Remove
rear
window
parcel
shelf
.
See513
Interior
Trim
.

2
.
Depress
tabs
on
center
brake
light
electrical
connector

and
disconnect
.

3
.
Remove
retaining
screws
and
remove
socket
.

4
.
Replace
bulb
.

REAR
LIGHTING

630-
6



EXTERIOR
LIGHTING

License
plate
light,

removing
and
installing

1
.
With
trunk
lid
raised,
remove
lícense
plate
light
trim
panel
screws
.
See
Fig
.
15
.

0012576
Fig
.
15
.
Remove
screws
(arrows)
and
remove
license
plate
light
trim
panel
.

2
.
Using
a
flat
tipped
screw
driver,
pry
gently
on
right
side
of
license
plate
light
assembly
.
See
Fig
.
16
.

3
.
Lift
license
plate
light
assembly
from
sheetmetal
.
Re-
lease
harness
connector
locking
tabs
and
separate
harness
from
license
plate
light
electrical
connector
.

REAR
LIGHTING

Fig
.
16
.
Insert
screwdriver
(arrow)
.

NOTE
-

Inspect
bulb
contactsprings
for
damageand
corrosión
.
Reptace
socket
assembly
if
necessary
.

4
.
Installatíon
is
reverse
of
removal
.

0012577

640-12



HEATING
AND
AIR
CONDITIONING

A/C
Compressor,
replacing

1
.
Followingmanufacturer's
instructions,
connectanap-

proved
refrigerant
recovery/recycling/recharging
unit
to

A/C
system
and
discharge
system
.

WARNING
-

Do
notdischarge%harge
the
AIC
system
without
proper
equipment
and
training
.
Damage
to
the
vehi-
cle
and
personal
injury
may
result
.

2
.
Remove
splash
shield
fromunder
engine
.

3
.
Mark
A/C
drive
belt
with
direction
ofrotation
.
Remove

A/C
belt
tensioner
trim
cap
.
See
Fig
.
34
.

0011988
Fig
.
34
.
To
access
tensioner
retaining
bolt,
remove
trim
cap
from
drive-belt
tensioner
.

Fig
.
33
.
A/
C
components
.
Arrows
indicatedirection
of
refrigerant
flow
.

AIR
CONDITIONING

4
.
On
4-cylinder
engines
:
Loosen
A/C
belt
tensioner
bolt

under
trim
cap,
then
remove
belt
from
A/C
compressor
.

See
Fig
.
35
.

~=1

A/C
compressor



A



0013019

Fig
.
35
.
4-cylinder
engines
:
Loosen
retaining
bolt
A
on
tensionerto
re-
lease
drive-belt
tension
.
To
increase
tension,
rotate
pulley
in
direction
of
arrow,
then
tighten
bolt
A
.

5
.
On
6-cylinder
engines
:
Release
tension
on
A/C
belt
by

turning
tensioner
pulley
clockwíse
(againstspring
ten-
sion)
.
See
Fig
.
36
.

NOTE
-

Detailed
instructions
for
drive-belt
removal
and
installa-tion
can
be
found
in
020
Maintenance
Program
.

Fig
.
36
.
6-cylinder
engine
belt
diagram
:
To
remove
A/C
belt,
lever
ten-
sioner
(A)
in
clockwise
direction
using
long-handled
wrench
or
breaker-bar
.

6
.
Disconnect
electrical
harness
connector
from
com-
pressor
.

7
.
Remove
A/C
pressure
hose
and
suction
hose
flange



10
.
Before
recharging,
evacuate
system
for
at
least
30
min
.
bolts
from
compressor
.
Plug
hoses
immediately
See



Recharge
system
following
equipment
manufacturer's

Fig
.
37
.



instructions
.
See
Table
d
.
A/C
System
Refrigerant

Capacities
.

0011879

Fig
.
37
.
A/
C
compressor
pressure
hose
(A)
and
suction
hose
(B)
.
(6-
cylinder
engine
shown
.
4-cylinder
engine
is
similar
.)

HEATING
AND
AIR
CONDITIONING



640-
1
3

Fig
.
38
.
A/
C
compressor
mounting
boits
(arrows)
.

9
.
Installation
is
reverseof
removal
.

CAUTION
-

"
Always
replaceO-rings
when
reconnecting
re-
frigerantfines
.

"
When
installlng
a
new
compressor
always
re-
place
receiverldrier
unit
.

Tightening
Torques

"
A/C
compressor
to
engine
block
....
22
Nm
(17
ft-Ib)
"
A/C
line
flange
to
A/C
compressor
5/8
in
.
fine
.
......
.....
....
.
.....
20
Nm
(15
ft-Ib)

3/4
in
.
fine
.......
.....
..........
39
Nm
(29
ft-Ib)

7/8
in
.
fine
...
....
.....
..........
42
Nm
(31
ft-Ib)

11/16
in
.
fine
.....
..
..
..
...
.
.....
48
Nm
(35
ft-Ib)

A/C
Compressor
Clutch

The
compressor
clutch
can
be
replaced
without
disturbing

thesealed
refrigerant
system,
although
clearances
in
the
six-

cylinder
cars
may
be
very
tight
.
Detach
the
compressor
from

the
compressor
bracket
togain
extra
clearance
.

8
.
Remove
compressor
mounting
boits
.
See
Fig
.
38
.
Re-



Typical
A/C
compressor
and
clutch
is
shown
in
Fig
.
39
.
move
compressor
by
pulling
downward
from
under-

neath
car
.



Remove
driveplate
and
pulley
to
access
clutch
magnetic

winding
.
See
Fig
.
40
.

AIR
CONDITIONING

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

2
.
Using
special
hex
key,
turn
radio
mountingscrews

counterclockwise
to
loosen
.
See
Fig
.
4
.

0011845

Fig
.
4
.



Use
special
hexkey
or
Torx
driver
to
loosen/tighten
radio
mountingscrews
.

3
.
Pul¡
radio
out
of
instrument
panel
opening
.

4
.
Remove
connector(s)
from
rearof
radio
.
See
Fig
.
5
.

Fig
.
5
.



Radio
connector
being
removed
.

5
.
Installation
is
reverse
of
removal
.

0011846

Left
footweil
speaker,

removing
and
installing

Fig
.
6
.



Hood
release
lever
retaining
screw
(arrow)
.

RADIO
650-
3

1
.
Remove
screw
from
center
of
hood
latch
release
lever
.

Remove
lever
.
See
Fig
.
6
.

0012578

2
.
Rotate
plastic
trim
panel
retainer
1
/4
turn
.
Pul¡
off
door

sea¡
from
edge
of
speaker
cover
and
pull
speaker
trim

panel
back
toward
rear
of
car
.
See
Fig
.
7
.

0012579

Fig
.
7
.



Rotate
plastic
retainer
(black
arrow)
andremove
panel
in
di-

rection
shown
(white
arrows)
.

RADIO
AND
SPEAKER
SERVICE

GENERAL
.
.
.....
.
.
.
.
.
.
.
.
.
............
720-1



REAR
SEATBELT
ASSEMBLY
...
.
....
.
.
720-4

Rear
seat
belt,
removing
and
installing
FRONT
SEATBELT
ASSEMBLY
.
.
.
.
.
.
.
.
720-2



(fixed
seat
back
models)
..
.
......
.
....
.
.720-4
Automatic
Front
Seat
Belt
Lock
Tensioners
.
.
720-2



Rear
seat
belt,
removing
and
installing

Mechanical
spring
tensioner,
disarming
.
...
.
720-2



(fold-downseat
back
models)
.
...
.
...
.
.
.
.
720-5

Front
seat
belt
reel,
removing
and
installing
.
.
720-3



Center
rear
lap-belt,
removing
and
installing
.
.720-5

GENERAL

All
E36
models
are
equipped
with
3-point
shoulder
belts
at



tract
and
tension
the
seat
belt
by
55
mm
(approximately
2
four
seating
positions
.
On
4-doormodels,
there
is
an
addition-



inches)
in
the
event
of
an
accident
.
a
l
lap
belt
in
thecenter
of
the
rear
seat
.

The
seat
beltreel
should
lock
when
driving
quickly
through
Automatic
seat
belt
tensioners
are
integrated
into
the
front



curves,
during
severe
braking
or
in
case
of
a
collision
.
The
au-
seat
belt
locks
.
Through
the
1996
model
year
cars,
a
mechan-



tomatic
reel
does
not
require
any
servicing
and
should
never
¡cal
spring
tensioner
is
used
.
See
Fig
.
1.
On
1997
and
later



be
opened
.
Belts
that
do
not
retract
and/or
lockproperly
cars,
a
pyrotechnic
(explosive
charge)
tensioner
is
used
.
Au-



should
be
replaced
promptly
.
tomatic
seat
belt
tensioners
aredesigned
to
automatically
re-

1
.
Seat
belt
lock
boft
2
.
Seat
belt
lockwith
mechanical
spring
tensioner
3
.
Seat
belt
anchor
bar
(two-door
models)
4
.
Seat
belt
anchor
bolt
5
.
Seat
belt
reelbolt
6
.
Seat
belt
reel
7
.
B-pillar
guide
nut
8
.
B-pillar
sliding
guide
9
.
Convertible
seat
beltreel
10
.Convertible
B-pillar
guide

Fig
.
1
.



Front
seat
belt
components
.

720
Seat
Belts

SEAT
BELTS



720-1

GENERAL

720-2



SEAT
BELTS

WARNING
-

"
For
maximum
protection
from
injury,
seat
belts

should
be
replaced
as
a
set
(including
all
hard-

ware),
if
they
are
subject
to
occupant
loading
in
a

collision
.
"
Seat
belts
should
not
be
modified
or
repaired
.

The
seat
belt
anchorage
points
should
not
be

changed
or
modified
.

"
Do
notbleach
or
dye
seat
belt
webbing
.
Webbing
that
is
severely
fadedor
re-dyed
will
not
meet
the

strength
requirements
of
a
collision
and
must
be

replaced
.

"
Seat
belts
shouldbe
periodically
inspected
for
webbing
defects
suchas
cuts
or
pulled
threads
.

FRONT
SEATBELT
ASSEMBLY

Automatic
Front
Seat
Belt

Lock
Tensioners

The
procedure
for
disabling
the
mechanical
spring
tension-

er
used
on
early
cars
is
covered
below
.
On
cars
with
thepyro-
technic(explosive
device)
tensioners,
the
orange
harness

connectorshould
be
removed
from
the
tensioner
any
time
the

seat
is
removed
.

WARNING
-

Both
the
mechanical
and
the
pyrotechnictensioners
are
powerful
devíces
and
shouldbehandled
with
extreme
care
.

Mechanical
spring
tensioner,
disarming

1
.
Remove
front
seat
.
See
520
Seats
.

2
.
Disarm
tensioner-electrically
adjustableseats
:

"
Working
at
side
of
seat,
turn
activating/deactivating

screw
clockwise
until
display
changes
from
green
to

red
.
See
Fig
.
2
.

"
Before
reinstalling
seat,
turn
screw
until
display
chang-
esback
to
green
.

NOTE-

Green
is
armed
.
Red
is
disarmed
.

3
.
Disarm
tensioner-manually
adjustable
seats
:

"
Cut
wíre
tie
next
to
tab
on
bowden
cable
.
See
Fig
.
3
.

"
Turn
and
lift
tabto
disengage
cable
housing
from
seat
bracket
.

"
Disconnect
cable
end
from
seat
lever
.
"
When
reinstalling,
correctly
engage
tab
end
of
cable

into
seat
bracket
and
fasten
in
position
using
new
wíre

tie
.

FRONT
SEATBELT
ASSEMBLY

0012737

Fig
.
2
.



Electrically
adjustable
front
seat
.
Turn
screw
(A)
to
disarm
me-

chanical
tensioner
.
Display
B
tucos
from
green
to
red
.

F19
.3
.
Manuallyadjustablefrontseat
.Turnandlifttab(arrow)todis-