1994 BMW M3 boot

GENERAL
.......
.
.
.
.
.
.
.
.
.
.......
.
...
.330-1



CV
boot,
replacing
........
.
.
.
.........
.
.330-8

RIDE
HEIGHT
....
.
.
.
.
.
...
.
...
.
.
.
.
.
...
.
330-1



REAR
SUSPENSION
ARMS
.
.
.
.
.
.
.
.
.
..
.
330-9

Trailing
arm,
removing
and
installing
.
.
.
....
330-10

SHOCK
ABSORBERS
AND
SPRINGS
.
.
.
330-2



Trailing
arm
bushing,
replacing
.
...
.
.
.
.
.
..
330-11

Rear
shock
absorber,
removing
and
installing
330-3



Upper
control
arm,
removing
and
installing
.
.330-12

Coil
spring,
removing
and
installing
.
.
.
.
.
.
.
.
330-4



Lower
control
arm,
removing
and
installing
.
.330-12

REAR
WHEEL
BEARINGS
....
.
...
.
.
.
..
330-4

Rear
wheel
bearing,
replacing
.......
.
....
330-5



Final
drive
carrier,
removing
and
installing
.
.330-12

DRIVE
AXLES
..
.
.
.
.
.
.
.
.
.
.............
330-6



TABLE
a
.
Rear
Ride
Height
Specifications
..
.
............
330-1
Drive
axle,
removing
and
installing
.........
330-6

GENERAL

Special
service
tools
are
required
for
some
of
the
work
de-
scribed
in
this
repair
group
.
Read
the
procedures
through
be-
fore
beginning
any
job
.

NOTE
-

A
general
description
of
the
rear
suspension
and
a
troubleshooting
guide
can
be
found
in
300
Suspen-
sion,
Steering
and
Brakes-General
.

RIDE
HEIGHT

Rear
suspension
ride
height
is
controlled
by
the
rear

springs
.
If
the
rear
ride
height
is
not
within
the
specifications

listed,
the
rear
springs
should
be
replaced
.

Ride
height
is
measured
from
the
lower
edge
of
the
wheel

arch
to
the
bottom
edge
of
the
wheel
rim
.
See
Fig
.
1
.

Table
a
lists
rear
suspension
ride
height
specifications
.



ooy

98
These
specifications
apply
to
a
car
in
a
normally
loaded
posi-

tion
.
When
checking
ride
heightor
installing
suspension
com-



Fig
.
1
.



Ride
height
measurement
(A)
is
taken
from
center
of
wheel

ponents,
load
the
caras
follows
:



archto
bottom
of
wheel
rim
.

Normal
loaded
position

"
Each
front
seat
..
...
.
.
.............
68kg
(150
lb)

"
Rear
seat
(center)
..
.
.
.............
68
kg
(150
lb)

"
Trunk
.........
.
.
.
.
.
..............
21kg
(46
lb)

"
Fue¡
tank



.....



.
..



.
.
.
................



.



..
..
.
full

NOTE-

M3
ride
height
is
measured
with
the
car
unladen
.

330
Rear
Suspension

REAR
SUSPENSION



330-1

FINAL
DRIVE
CARRIER
.
.......
.
.
.
.
.
..
330-12

Table
a
.
Rear
RideHeight
Specifications

Wheel
size



318,323,325,



M3
modeis
328
modeis

15
inch
std
.
suspension



518
mm
(20
.39
in)
sport
suspension



~
507
mm
(19
.96
in)

16
inch
std
.
suspension



531
mm
(20
.91
in)
sport
suspension



~
520
mm
(20
.47
in)

Continued

RIDE
HEIGHT

330-
6



REAR
SUSPENSION

12
.
Install
brake
caliper
assembly
and
rotor
as
described
in

340Brakes
.

13
.
Install
drive
axie
as
described
below
.

Tightening
Torques

"
Brake
rotor
to
drive
flange
.........



16
Nm
(12
ft-ib)

"
Brake
caliper
to
trailing
arm
........
67
Nm
(50
ft-Ib)

"
Drive
axie
collar
nut
to
drive
flange
..
.
..
..............
250
Nm
(184
ft-Ib)
M3
.....
...
..
.
.............
.
300
Nm
(221
ft-Ib)

"
Road
wheel
to
hub
.........
100±10
Nm
(74±7
ft-Ib)

DRIVE
AXLES

The
drive
axles
use
constant-velocity
(CV)
joints
on
both
ends
.
To
replace
a
CV
joint
or
dust
boot,
the
drive
axie
must
be
removed
fromthe
car
.
The
components
of
the
drive
axie
are
illustrated
in
Fig
.
10
.

Drive
axie,
removing
and
installing

1
.
Raise
rear
of
car
.
Remove
rear
wheel
.

Dust
cover

Fig
.
10
.
Driveaxie
assembly
.

DRIVE
AXLES

Inner
CV
boot
kit

-Reinforcement

WARNING
-

Make
sure
that
the
car
is
firmly
supportedon
jack
stands
designed
for
the
purpose
.
Place
the
jack
stands
beneatha
structural
chassis
point
.
Do
not
place
jack
stands
undersuspension
parts
.

2
.
Pry
off
dust
cap
from
center
of
wheel
hub
.

3
.
Remount
wheel
and
lug
boits
.

4
.
Lower
car
to
ground
.
With
an
assistant
applying
brakes,

loosen
collar
nut
.
Do
not
remove
completely
.
See
Fig
.

11
.

The
drive
flange
collar
nut
is
tightened
to
a
torque
of
250
Nm
(184
ft-Ib)
.
Make
sure
the
car
is
firmly
on
the
ground
.

5
.
Raisecar
andremove
wheel
.

6
.
Remove
brake
caliper
assembly
and
rotor
as
described
in
340
Brakes
.
Leave
brake
hose
connected
to
caliper
.
Suspend
caliper
assembly
from
chassis
using
stiff
wire
.

7
.
Remove
drive
axie
from
drive
flange
.
See
Fig
.
12
.
Sus-

pend
drive
axie
from
chassis
using
stiff
wire
.

Outer
CV
boot
kit

Drive
axle

Outer
CV
joint

330-
8



REAR
SUSPENSION

CV
boot,
replacing

NOTE-

"
The
outer
CV
joint
cannot
be
removed
from
the
axle
shaft
.
In
order
to
replace
the
outer
CV
boot,
it
is
nec-
essary
to
remove
the
inner
joint
and
boot
first
.

"
If
the
CV
joints
are
worn
or
defective,
acomplete
re-

built
axle
shaft
is
available
from
an
authorized
BMW
dealerparts
department
.

1
.
Remove
drive
axle
from
car
as
described
above
.

2
.
Remove
inner
and
outer
CV
boot
clamping
bands
and

cut
old
boots
off
joints
and
shaft
.
Clean
grease
from

joints
.

3
.
Lift
off
dust
cover
from
inner
CV
joint
and
remove
circlip



5
.
Clean
all
old
lubricantoff
shaftsplines
and
inner
joint's

retaining
joint
inner
hub
to
axle
shaft
.
See
Fig
.
14
.



splines
.

DRIVE
AXLES

-0
1
,
1
1,1
1
L
"I
C
OYA

Drive
axle-"
e
:>,



)



0006560

CV
joint

Fig
.
15
.
Support
CV
joint
at
inner
hub
duringpressing
operation
(ar-
rows)
.

NOTE-

To
inspect
a
CV
joint,
clean
away
the
grease
and
look
for
galling,pittihg
and
othersigns
of
wear
or
physical
damage
.
Polished
surfaces
or
visible
ball
tracks
alone

are
not
necessarily
cause
for
replacement
.
Discolora-

tion
due
to
overheating
indicates
lackof
lubrication
.

6
.
Place
new
clamping
bands
and
CV
boots
over
drive
ax-

le
.

NOTE-

When
replacing
CV
joint
boots,
usecomplete
CV
joint

boot
repair
kits
.
A
kit
will
include
a
new
boot,
clamping

bands,
special
lubricant,
and
anew
inner
CV
joint
cir-
clip
.
The
kit
is
available
from
an
authorized
BMW
dealer
parts
department
.

7
.
Apply
Loctite
®
270
or
an
equívalent
heavy-duty
lockíng

compound
to
drive
axlesplines
.
Position
new
CV
joint

on
shaft
so
that
raisedor
taller
side
of
hub
is
facing
shaft
.

WARNING
-

Fig
.
14
.
Dust
cover
shown
removed
from
inner
CV
joint
.
Clean
away



Do
not
let
the
locking
compound
contact
the
balls
in

grease
and
remove
circlip
(arrow)
from
shaft
end
.



the
joint
.
Apply
only
a
thin
coat
to
cover
the
splines
.

4
.
While
supporting
inner
hub,
press
axle
shaft
out
of
joint
.



8
.
While
supporting
axle
shaft,
press
inner
hub
of
CV
joint

See
Fig
.
15
.



onto
shaft
.
Install
new
circlip
.

NOTE-

Do
not
let
the
ball
hub
pivot
more
than
20°
in
the
outer
ring
of
the
joint
.
The
halls
will
fall
out
if
the
hub
ís
pivoted
too
far
.

9
.
Packeach
CV
joint
and
rubber
boot
with
specified



REAR
SUSPENSION
ARMS
amount
of
lubricant
supplied
.
Apply
adhesive
to
large
end
of
boot
and
mount
it
on
joint
.
Secure
boot
with
clamps
.



The
trailing
arms,
control
arms
and
their
mountingbushings
Apply
sealer
to
inner
CV
joint
dust
cover
and
instan
.



control
the
position
of
the
rear
wheels
.
A
damaged
suspen-
sion
arm
or
worn
bushings
will
change
the
rear
wheel
align
NOTE-



ment
and
may
adversely
affect
handling
and
stability
.
"
Before
installing
each
small
boot
clamp
be
sure
to
"burp"
the
boot
by
flexing
the
CV
joint
as
far
overas
it



WARNING
will
go
.
A
small
screw-driver
inserted
between
the



Do
notattempt
to
straighten
a
damaged
suspension
boot
and
the
axle-shaft
will
help
the
process
.



arm
.
Bending
or
heating
may
weaken
the
original
"
BMW
recommends
Bostil101513
or
EppleC4851
ad-



part
.
If
the
suspension
arm
shows
any
signs
of
hesive,
and
Epple®39
or
Curil©T
sealer



damage
or
excessive
corrosion,
it
must
be
re-
placed
.

CV
Joint
Lubricant
Capacity

"
Wheel
hub
end

ex
.
M3
..
..
.
....
.
.............
80
gram
(2.8
oz
.)
M3
..
...
.
..
.................
100
gram
(3
.5
oz
.)

"
Finaldrive
end
.................
85
gram
(3
.0
oz
.)

10
.
Install
drive
axle
as
described
earlier
.

1
.



Final
drive
carrier
2
.



Stabilizer
bar
3
.



Upper
control
arm4
.



Lower
control
arm5
.



Trailing
arm6
.



Trailing
arm
front
bracket

Fig
.
16
.
Rear
trailing
arms,
control
arms
and
final
drive
carrier
.

If
the
rear
brake
cine
is
disconnected
to
remove
a
trailing
arm,
the
complete
braking
system
must
be
bled
as
partof
the
installation
procedure
.

When
performing
repairs
to
rear
suspension
components,
refer
to
Fig
.
16
.

REAR
SUSPENSION



330-
9

0013112

REAR
SUSPENSION
ARMS

340-
1
0
BRAKES

PARKING
BRAKE

The
parking
brake
is
a
brake
drum
system
integrated
into
the
rear
brake
rotors
.
See
Fig
.
14
.

Adjustment
of
the
shoes
may
benecessary
compensate
for
wear
.
The
parking
brake
should
also
be
adjusted
any
time
the
cable,
the
rear
brake
rotor,
or
the
parking
brake
shoes
are
re-
placed
.

Lower
Parking
brake



Parking
brake



retum
shoe
actuator
spring

Fig
.
14
.
Parking
brake
shoeassembly
.

Parking
brake,
adjusting

2
.
Raise
rearof
car
.

PARKING
BRAKE

Shoe
retainer



Rotor
with
and
spring



integrated
parking
brake

Shoe



drum
I

adjuster



Upper
return
spring

-í
<~
:
:

Rotor
mounting
screw

WARNING
-

Make
sure
the
car
is
firmly
supported
on
jack
stands
designed
for
the
purpose
.
Place
the
jack
stands
be-
neatha
structural
chassis
point
.
Do
not
placejack
stands
undersuspension
parts
.

0011265
3
.
Remove
one
lug
bolt
from
each
rear
wheel
.
Turnroad
wheel
until
lug
bolt
hole
lines
úp
with
parking
brake
ad-
juster
(approximately
65°
to
rear
of
wheel
centerline)
.
See
Fig
.
16
.

4
.
Usinga
screwdriver,
turn
adjusterto
expand
brake
shoes
until
road
wheel
canno
longer
turn,
then
back
adjuster
off
.
Repeatprocedureon
other
rear
wheel
.

Fig
.
15
.
Parking
brake
cable
adjustingnuts
(arrows)
.

The
parking
brake
can
be
adjusted
with
the
wheels
in-

stalled,
although
the
rear
wheels
will
have
to
be
raised
off
the



1



f
l



i\
aground
.

1
.
Lift
parking
brake
lever
boot
out
of
console
.
While
hold-
ing
cables
stationary,
loosen
parking
brake
cable
nuts
until
cablesare
completely
slack
.
See
Fig
.
15
.

0011263
0012727

Fig
.
16
.
Access
parking
brake
shoe
adjuster
approxímately
65°
to
rear
of
vertical
.
Use
flat-bladed
screwdriver
to
turnadjuster
.
On
left
wheel,
turn
adjuster
in
direction
1
to
expand
shoes
.
On
ríght
wheel,
turn
adjuster
in
direction
2
to
expand
shoes
.

Parking
Brake
Adjusting
(initial)

"
Back
off
adjuster
through
wheel
lug
bolt
hole
ex
.
M3
models
.........
..
...
...
.
...
.
18notches
M3
models
............
.
.....
..
..
..
.
.
8notches
5
.
Working
inside
car,
set
parking
brake
several
times
to
seat
cable
.
Then
pull
parking
brake
lever
up
four
notch-
es
.
Tighten
cable
adjusting
nuts
until
it
is
just
possible
to
turnrear
wheels
with
slight
resistance
.

6
.
Release
lever
and
make
sure
rear
wheels
turn
freely
.

7
.
Turn
on
ignition
.
Check
that
light
comes
on
as
soonas



4
.
Remove
parkíng
brake
shoes
as
described
above
.

lever
is
pulled
up
.
5
.
Disconnect
cable
from
parking
brake
actuator
and
then

8
.
Install
parking
brake
lever
boot
.
Install
road
wheel
lug



remove
parking
brakecable
from
cable
holder
on
trail-

bolts
.



ing
arm
.
See
Fig
.
17
.

Tightening
Torque

"
Road
wheel
to
hub
.
..
......
100±10
Nm
(74±7
ft-Ib)

Parking
brake
shoes,

removing
and
installing

1.
Raise
rear
of
car
andremove
road
wheels
.

WARNING
-

Make
sure
the
car
is
firmly
supportedon
jack
stands

designed
for
the
purpose
.
Place
the
jack
stands
be-

neath
a
structural
chassis
point
.
Do
not
place
jack

stands
undersuspension
parts
.

2
.
Without
disconnecting
brake
fluid
hose,
remove
rear

brake
calipers
from
trailing
arms
.
Remove
rear
brake

rotors
.
See
Brake
Pads,
Calipers
and
Rotors
.

CA
UTION-

Do
not
let
the
brake
caliper
assembly
hang
from

the
brake
hose
.
Support
caliper
from
chassis
with
strong
wire
.

3
.
Unhook
upper
return
spring
from
brake
shoes
.
Remove

shoe
retainers
bypushing
them
in
and
rotating
1
/4turn
.

BMW
special
tool
no
.
344
000
can
beused
to
remove

retainers,
if
needed
.

4
.
Spread
shoes
apart
and
lift
them
out
.



7
.
Installation
is
reverse
of
removal
.
Adjust
parking
brake

as
described
earlier
.

NOTE-

When
removing
the
brake
shoes
the
shoe
expander
pivot
pin
in
the
brake
actuator
may
fall
out
.

Two
versions
of
the
Antilock
Brake
System
(ABS)
are
in-

5
.
Inspect
shoe
expander
to
make
sure
it
functions
prop-



stalled
onthe
cars
coveredby
this
manual
.
Early
cars
use
the

erly
.
Apply
a
thin
coat
of
grease
tosliding
parts
and



Teves
Mark
IV
G
ABS
.
Later
cars
use
the
Teves
Mark
20-I

pins
.



ABS
.
The
main
difference
between
the
two
systems
is
that
the

Mark
20-I
system
integrates
the
ABS
control
module
into
the

6
.
Installation
is
reverse
of
removal
.
Be
sure
to
adjust



hydraulic
unit
as
a
single
component
.

parking
brake
cables
as
described
earlier
.

ABS
is
designed
to
be
maintenance
free
.
There
are
noad
Parking
brake
cable,
replacing



justments
that
canbe
made
to
the
system
.
Repair
and
trouble-

shooting
of
the
major
ABS
components
requires
special
test

1
.
Raise
rear
of
car
and
remove
road
wheels
.



equipment
and
knowiedge
and
should
be
done
by
an
autho-

rized
BMW
dealer
.

2
.
Remove
rear
brake
caliper
and
rotor
.
See
Brake
Pads,

Calipers
and
Rotors
.

3
.
Working
inside
car,
lift
parking
brake
lever
boot
out
of

console
.
Remove
cable
adjusting
nut
.
Refer
to
Fig
.
15
.

Fig
.
17
.
Parking
brake
cable
insertion
point
in
rear
trailing
arm
(arrow)
.

6
.
Slide
cable
out
of
housing
.

NOTE
-

BRAKES
340-
1
1

On
some
models
it
may
be
necessary
to
remove
rear

muffler
to
access
the
brake
cabes)
.

ANTILOCK
BRAKE
SYSTEM
(ABS)

0013209

ANTILOCK
BRAKE
SYSTEM
(ABS)

BMW
emblem,
removing
and
installing

The
procedure
given
below
applies
to
both
front
and
rear

emblems
.

1
.
Wrap
and
of
a
screwdriver
with
tape
.

CAUTION-

Protect
hood
paint
by
coveringarea
aroundem-

blem
with
tape
.

2
.
Carefully
pryout
emblem
.
See
Fig
.
15
.

UVI1'¿.

Fig
.
15
.
BMW
emblem
being
removed
.
Pry
up
emblem
carefully
on
ei-

ther
side
(arrows)
.
Note
tape
on
screwdriver
tips
.

3
.
Installation
is
reverse
of
removal
.

"
Replace
plastic
inserts
in
body
if
damaged
.

"
If
emblem
fits
loosely
intoinserts,
use
a
small
amount

of
bodymoldingtape
or
adhesiva
on
rear
of
emblem

before
installing
.

Body
side
molding,
replacing

To
remove
body
side
moldings,
carefully
pry
the
moldings

straight
off
.
See
Fig
.
16
.

Installation
is
the
reverse
of
removal
.
Replace
any
clips
or

clip
covering
boots
damaged
during
removal
.

Radiator
grille,
removing
and
installing

1
.
Remove
plastic
front
radiator
shroud
or
air
duct,
as

needed

2
.
Lightly
tap
center
of
grilla
toward
radiator
andremove

from
panel
opening
.
Chrome
ring
pulís
out
from
front
.

See
Fig
.
17
.

3
.
To
replace,
snap
grille
andchrome
piece
together
.

Push
assembly
into
front
panel,
pressing
at
top
and

bottom
until
it
snaps
into
place
.

EXTERIOR
TRIM,
BUMPERS



510-7

Fig
.
16
.
Body
sida
molding
retainingclips
(arrows)
.

-



0013048

Fig
.
17
.
Radiator
grille
being
tapped
inward
.
Right
side
front
panel
top

retaining
screw
is
shown
at
A
.

Front
panel,
removing
and
installing

The
front
panel
is
shown
in
Fig
.
18
.

1
.
Remove
front
bumper
as
described
earlier
.

2
.
Remove
headlights
.
See
630
Exterior
Lighting
.

3
.
Remove
radiator
grille
as
described
earlier
.

4
.
With
engine
hood
open,
remove
front
panel
retaining

screws
at
left
and
right
sides
of
radiator
.
See
Fig
.
19
.

EXTERIOR
TRIM

GENERAL

This
repair
group
covers
interior
trim
removal
and
installa-
tion
procedures
.
Forremoval
and
installation
of
interior
switches,
including
interior
lighting
equipment,
see
612

Switches
and
Electrical
Accessories
.

Most
of
the
interior
trim
and
finish
paneis
are
clipped
or

screwed
into
place
.
Many
of
the
trim
retaining
clips
arede-

signed
to
be
used
only
once
.
When
removing
trim
that
is
held
in
place
with
clips,
it
is
a
good
idea
lo
have
spareson
hand
be-
fore
beginningthejob
.

CENTER
CONSOLE

The
front
section
center
console
houses
the
Multi-Informa-

tion
Display
(MID)
module,the
front
ashtray
and
cigarette

lighter
;
shifter
lever,
power
window
switches
and
the
hazard
warning
switch
.
The
rear
center
console
section
houses
the

ashtray(s)
and
covers
the
emergency
brakecable
ends
.

Center
console,
removing
and
installing

1
.
Disconnect
negative
(-)
cable
from
battery
and
cover

terminal
with
insulating
material
.

CA
UTION-

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

2
.
Remove
shifter
boot
or
selectorlever
cover
.
See250

Gearshift
t-inkage
.

3
.
Remove
rear
ashtray
retaining
screws
totake
out
ash-

tray
.
Remove
rear
console
retaining
screwunder
ash-

tray
.

513
Interior
Tri
m

INTERIORTRIM



513-1

GENERAL
..
.
.....
.
.
.
.
.
.
.
.
.
.
.
......
.
.
.
513-1



DASHBOARD
.....
.

.
.
.

.
.
.
.
.
.
.
.
.
.
...
.
:
.
.513-2

Glove
compartment,removing
and
installing
.
.513-2
CENTER
CONSOLE
.
.
.
.
.
.
.
.
.
.
.........
513-1



Lower
left
dash
panel,
Center
console,
removing
and
installing
.....
513-1



removing
and
installing
.
.
.
.
.
.
.
.
.
.
.....
.
.
513-2

Dashboard,removing
and
installing
.
.
.
.
...
.
.513-3

4
.
Remove
Multi-Information
Display
module
.
See620
In-
struments
.

5
.
Remove
hazardwarning
switch
and
power
window
switches
bypushing
up
and
out
from
below
.

6
.
Remove
lower
left
dashboard
panel
and
glove
compart-

ment
as
described
later
in
this
repair
group
.

7
.
Remove
retaining
screwunder
hazard
light
switch
.
Pull
rear
console
back
and
remove
retaining
nut
at
back
of
front
console
.
See
Fig
.
1
.

Fig
.1.



Console
retaining
screw
.

8
.
Take
out
rear
console
first,
then
front
console
.

0013154

CENTER
CONSOLE