Iat BMW 325i 1993 E36 Manual Online

Fig
.
6
.



Ride
height
measurement
(A)
is
taken
from
centerof
wheel
archto
bottom
of
wheel
rim
.

Normal
loaded
position

"
Each
front
seat
...
...
.
..
..........
68Kg
(150
Ibs)

"
Rear
seat
(center)
...
.
.
...........
68Kg
(150
Ibs)

"
Trunk
..........
...
.
.
...........
.21
Kg
(46
lbs)

"
Fuel
tank
...
.
..
....
.
.
....................
.fuf

Tablea
.
Front
RideHeight
Specifications

318,323,325,
Wheel
size



M3
models
328
models

15
inch
std
.
suspension



576
mm
(22.67
in)



1555
mm
(21.85
in)
sport
suspension



~
561
mm
(22.09
in)



530
mm
(20
.87
in)

16
inch
std
.
suspension



589
mm
(23.19
in)



1570
mm
(22
.44
in)
sport
suspensíon



~
574
mm
(23.52
in)



545
mm
(21.46
in)

17
inch
std
.
suspension



604
mm
(23.77
in)



585
mm
(23
.03
in)
sport
suspension



~
589
mm
(23.19
in)



~
560
mm
(22
.05
in)

Maximum
variation
between
sides
:
10
mm
(0.4in)
Maximum
deviation
from
specifications
:
10
mm
(0
.4in)

FRONT
SUSPENSION



310-
5

CONTROL
ARMS

On
al¡
models
except
Mas,
theouter
mounting
bushing
and
theouter
ball
joint
on
the
control
arm
are
available
as
replace-

ment
parts
.
If
the
control
arm
center
ball
joint
is
worn,
the
com-

plete
control
arm
will
need
to
be
replaced
.
See
Fig
.
7
.

Fig
.
7
.



Control
arm
.
Outer
ball
joint
and
bushing
are
available
as
re-
placement
parts
(except
M3)
.
Center
ball
joint
is
integral
with
control
arm
.

Special
press
tools
are
requiredto
remove
the
control
arms

and
to
replace
the
control
arm
bushings
.
Read
the
procedure

through
before
beginning
the
job
.

Control
arm,
removing
and
installing

1
.
Raise
car
and
remove
wheel
.

WARNING-

Make
sure
that
thecar
is
firmly
supportedon
jack
standsdesigned
for
the
purpose
.
Place
the
jack
stands
beneath
a
structural
chassis
point
.
Do
not
place
jack
stands
undersuspension
parts
.

2
.
Remove
stabilizer
bar
link
mounting
nut
and
separate

link
from
control
arm
as
described
later
in
this
repair

group
.

NOTE-

On
M3
models,
the
stabilizer
bar
link
attaches
to
the

strut
.

CONTROL
ARMS

6
.
Installation
is
reverse
of
removal
.

"
Make
sure
control
arm
ball
joint
taper
bore
is
clean
and
free
of
any
corrosion
.
"
Press
new
balljoint
into
position,
making
sure
to
align
balljoint
guide
with
mark
made
earlier
.
"
Verify
that
locking
clip
on
new
ball
joint
faces
towards
center
of
vehicle
.

Tightening
Torques

"
Control
arm
ball
jointto
steering
arm
.
65
Nm
(48
ft-Ib)
"
Stabilizer
bar
link
to
control
arm
(M8)
42
Nm
(31
ft-Ib)
"
Road
wheel
to
hub
.
...
...
.
.
100±10
Nm
(74t7
ft-lb)

Control
arm
bushing,
replacing

Control
arm
bushings
should
aiways
be
replaced
in
pairs
and
the
two
bushings
and
bushing
carriers
should
have
the
same
markings,
indicating
same
manufacturer
.

1
.
Raisecar
.

WARNING-
Make
sure
that
the
car
is
firmly
supportedonjackstandsdesigned
for
the
purpose
.
Place
the
jackstands
beneath
a
structural
chassis
point
.
Do
not
place
jack
stands
undersuspension
parts
.

2
.
Unbolt
control
arm
bushing
carrier
from
body
.

3
.
Mark
installed
position
of
bushing
to
control
arm
.
See
Fig
.
11
.

assembly
off
control
arm
.

lnl~

0012145

FRONT
SUSPENSION



310-
7

NOTE-

The
kerosene-like
special
lubricant
is
used
only
asan
aid
in
installing
the
bushing
to
the
control
arm
stub
.
Workmustbe
carried
out
in
as
short
a
time
as
possible
.
Within
30
minutes
the
control
arm
bushing
will
be
`glued"
in
position
on
the
control
arm
.

CAUTION-

BMW
part
numbers
areprovided
for
reference
only
and
are
subject
to
change
.
Always
rely
on
an
authorized
BMW
dealerparts
department
for
the
most
up-to-date
information
.

6
.
Press
new
rubber
control
arm
bushing
assembly
onto
the
end
of
control
arm
to
proper
depth
(as
marked)
.

NOTE-

Be
sure
toreinstall
the
bushing
carrier
to
the
control
arm
correctly
.
The
carrier
has
centering
bores
on
side
.
This
side
must
face
up
towards
body
.
See
Fig
.
12
.

Fig
.
12
.
Control
arm
bushing
carrier
centering
bores
must
face
up
.

7
.
Immediately
bolt
control
arm
bushing
carrier
to
body,
torque
boits
and
lower
car
to
ground
.

Tightening
Torques

"
Control
arm
bushing
carrier
to
body
.
.
47
Nm
(34
ft-ib)
Fig
.
11
.
Before
removingbushing
from
control
arm,
mark
installed
po-
sition
of
old
bushing
to
control
arm
.
Insta¡¡
new
bushing
in
same
position
.



8
.
With
car
lowered
to
ground
and
loaded
as
described
earlier,
bounce
suspensiona
few
times,
then
leave
car

4
.
Using
appropriate
press
tools,
pull
control
arm
bushing



undisturbed
for
a
minimum
of
30
minutes
.

CAUTION-

5
.
Coat
end
of
control
arm
with
BMW
special
lubricant



I
Failure
to
follow
the
above
procedure
may
impair

part
no
.
8122
9
407284
.



the
car's
handling
and
stability
.

CONTROLARMS

310-
8



FRONT
SUSPENSION

FRONT
WHEEL
BEARINGS

The
front
wheel
bearings
are
permanently
sealed
and
re-

quire
no
maintenance
.
The
bearing
is
integral
with
the
wheel

hub
and
pressed
onto
the
steering
arm
stub
axle
.

Special
press
tools
are
requiredto
replace
the
front
wheel

bearings
.
Read
the
procedure
through
before
beginning
the

job
.

Front
wheel
bearing,
replacing

1
.
Raise
car
and
remove
wheel
.

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
under
suspension
parts
.

2
.
Pry
off
dust
cap
from
centerof
wheel
hub
.
Bend
back

staked
part
of
wheel
hub
(axle)
collar
nut
.
See
Fig
.
13
.

Fig
.
13
.
Staked
part
of
wheel
hub
collar
nut
to
be
bent
back
(arrow)
.

3
.
Remount
wheel
and
lug
bolts
.

4
.
Lower
canto
ground
.
With
an
assistant
applying
brakes,

loosen
collar
nut
.
Do
not
remove
completely
.

NOTE-

The
wheel
hub
collar
nut
is
tightened
to
a
torque
of
290
Nm
(214
ft-Ib)
.
Make
sure
the
car
is
firmly
on
the
ground
.

FRONT
WHEEL
BEARINGS

6
.
Remove
ABS
wheel
speed
sensor
.
Refer
to
Fig
.
3
.

7
.
Remove
brake
caliper
assembly
and
brake
rotor
as
de-

scribed
in
340
Brakes
.
Leave
brakehose
connected
to

caliper
.
Suspend
caliper
assembly
from
chassis
using

stiff
wire
.

8
.
Remove
wheel
hub
collar
nut
.

9
.
Remove
wheel
hub
with
integral
wheel
bearing
from

steering
arm
using
a
puller
.
See
Fig
.
14
.

0011200

Fig
.
14
.
Wheel
hub
with
integral
wheel
bearing
being
removed
using
a

puller
.

NOTE-
If
bearing
inner
race
stays
on
steering
arm,
remove
splash
guard
and
usetwo
jaw
puller
to
remove
race
.

10
.
Insta¡¡
splash
guard
and
new
dust
shield
behind
bear-

ing
.
Press
new
wheel
hub/bearing
assembly
on
using

appropriate
press
tools
.

NOTE-

When
pressing
the
wheel
hublbearing
on,
apply
force
only
to
the
bearing
inner
race
.

11
.
Install
new
collar
nut
.
Do
not
tighten
nut
to
its
final

torque
atthis
time
.

"
Install
brake
rotor
and
brake
caliper
.
See
340
Brakes
.

"
Mount
wheel
and
lug
boits
.
Lower
canto
ground
to
gain

leverage
.

12
.
With
an
assistant
applying
brakes,
tighten
collar
nut

and
then
stake
nut
toaxle
.

5
.
Raise
car
and
remove
wheel
.



13
.
Raisecar
and
remove
wheel
.

STABILIZER
BAR

Stabilizer
bar,
removing
and
installing

Stabilizer
bar
link
arrangements
differ
slightly
among
mod-

els
.
In
most
models
the
links
attach
lo
the
control
arms
near

the
outboard
end
.
OnM3
models
the
links
attach
lo
the
strut

assemblies
.

1
.
Raise
car
and
remove
both
front
wheels
.

WARNING
-
Make
sure
that
the
car
is
firmly
supported
on
jack
stands
desígned
for
the
purpose
.
Place
the
jack
stands
beneath
a
structural
chassís
point
.
Do
not

place
jack
stands
under
suspension
parts
.

uul

Fig
.
15
.
Disconnect
stabilizer
bar
connecting
link
at
bar
(arrow)
.
(3181

model
shown
.
M3
stabilizer
link
attaches
lo
strut
.)

FRONT
SUSPENSION



310-
9

14
.
Insta¡¡
a
new
grease
cap,
using
Loctite
©
638
sealant
or



3
.
Remove
two
stabilizer
bar
bushing
brackets
on
left
and

equivalent
.
Insta¡¡
wheel
and
lower
car
.



right
sides
.
Remove
bar
.

4
.
Installation
is
reverse
of
removal
.
Use
new
seif-lockíng

Tightening
Torque



núts
on
connecting
links
.

"
Brake
rotor
lo
wheel
hub
..........
16
Nm
(12
ft-Ib)



"
On
M3
models
:
When
attaching
stabilizer
link
lostrut

"
Collar
nut
lo
stubaxle
.
.........
290
Nm
(214
ft-Ib)



orlobar,
usea
thin
wrench
lo
hold
flats
on
link
parallel
"
Brake
caliper
losteering
arm
......



110
Nm
(81
ft-Ib)



lo
strut
.

"
Road
wheel
lo
hub
...
...
.
.
.
100±10
Nm
(74t7
ft-Ib)
NOTE-
Installation
of
the
stabilizer
bar
is
easiest
with
thecar
leve¡
(front
wheels
at
the
same
height),
and
as
near
to
normal
ride
height
as
possible
.

Tightening
Torques

"
Stabilizer
bar
bushing
brackets

lo
subframe
crossmember
...
..
.
..
.
22
Nm
(16
ft-Ib)

"
Stabilizer
bar
link
bracket
lo

control
arm
................
.
.
.
.
.
42
Nm
(31
ft-1b)

"
Stabilizer
bar
link
lo
stabilizer
bar
(M10)
.............
.
42
Nm
(31
ft-Ib)

"
Stabilizer
bar
link
lostrut
or
bar
(M3)
.
59
Nm
(44
ft-Ib)

SUBFRAME
CROSSMEMBER

The
subframe
crossmember
provides
rigid
mounting'poínts

2
.
Remove
stabilizer
bar
connecting
link
from
stabilizer



for
the
engine,
suspension,
and
steering
components
.
The

baron
left
and
right
sides
.
See
Fig
.
15
.



crossmember
is
not
normally
subject
lo
wear
and
should
ohly

be
replaced
if
structurally
damaged
.

Removing
the
subframe
crossmember
requires
engine
lift-

ing
equipment
lo
support
theweight
of
tfhe
engine
from
above

so
that
the
subframe
can
be
removed
from
below
.

WARNING-

Removal
or
replacement
of
the
subframe
cross-

member
may
affect
suspension
and
steering
geom-
etry,
including
front
wheel
afignment
.
Make
appropriate
matching
marks
during
removal
and
have
the
front
end
aligned
once
repairs
are
com-
plete
.

Subframe
crossmember,
removing
and
installing

1
.
Using
enginesupport
equipment,
raise
engine
until

weight
of
engine
is
supported
.
See
110EngineRe-

moval
and
Installation
.
See
Fig
.
16
.

2
.
Raise
car
andremove
front
wheels
.

WARNING-

Make
sure
that
the
car
is
firmly
supportedon
jack

stands
desígned
for
the
purpose
.
Place
the
jack
stands
beneatha
structural
chassís
point
Do
not

place
jack
standsundersuspension
parts
.

SUBFRAME
CROSSMEMBER

Fig
.
3
.



Power
steering
pump
and
pulley
mounting
bolts
.

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

"
Make
sure
al¡
thread
bores,
bolts,
nuts,
fluid
couplings

and
mating
surfaces
are
clean,
and
that
inside
surface

of
multi-ribbed-belt
is
free
of
grease
and
dirt
.

"
Use
new
sealing
washers
when
reattaching
power

steering
pressure
lines
.

"
Make
sure
hoses
have
adequate
clearance
from
chas-

sis
.
Do
not
over-torque
banjo
bolts
.

"
Fill
and
bleed
power
steering
system
as
described
be-

low
.

Power
steering
system,

bleeding
and
filling

1
.
Wíth
engine
off,
fill
power
steering
fluid
reservoir
with

clean
fluid
.
Fill
levelto
MAX
mark
on
dipstick
.

STEERING
AND
WHEEL
ALIGNMENT



320-
3

STEERING
GEAR
A
cutaway
of
the
power-assisted
rack-and-pinion
power

steering
gear
is
shown
in
Fig
.
4
.
The
rack
is
designed
to
be

maintenance
free
.

Pinion

Fig
.
4
.



Cutaway
of
rack-and-pinion
steering
gear
.

Tightening
Torques

"
Hydraulic
hoses
to
power
steering
pump



?he
steering
gear
and
linkage
require
no
maintenance
oth-

M10
banjo
bolt
.........
..
.
...
...
.
12
Nm
(9
ft-Ib)



er
than
alignment
and
a
periodic
inspection
for
worn
compo

M14
banjo
bolt
..............
..
..
35
Nm
(26
ft-Ib)



nents
.

M16
banjo
bolt
..............
...
.
40
Nm
(30
ft-Ib)

"
Power
steering
pump
to
bracket



Steering
gear
rack,
removing
and
installing
(self-locking
nuts)
.............
..
.
22
Nm
(16
ft-Ib)

"
Power
steering
pump
bracket
to
engine



1
.
Empty
power
steering
fluid
reservoir
using
clean
sy-

block
or
oil
pan
(self-locking
nuts)
...
22
Nm
(16
ft-lb)



ringe
.
Do
not
reuse
fluid
.

2
.
Disconnect
negative
(-)
cable
from
battery
and
cover

terminal
with
insulating
material
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery

disconnection
cautions
given
at
the
front
of
this

manual
on
page
viii
.

2
.
Start
engine
.
Slowly
turn
steering
wheelfrom
lock
to

lock
a
minimum
of
two
times
.



3
.
Carefully
remove
airbag
from
frontof
steering
wheel
.
See

721
Airbag
System
(SRS)
.
Store
airbag
unit
in
a
sale

3
.
Turn
engine
off
and
check
fluid
leve¡,
adding
fluid
if
nec-



place
.

essary
.
4
.
Make
sure
front
wheelsare
pointed
straight
ahead
.

5
.
Remove
outer
tie
rod
ball
joínt
nuts,
thenseparate
outer

tie
rod
ends
from
steering
arms
using
appropriate

press
tools
.

6
.
Disconnect
power
steering
hose
from
fluid
reservoir
.

STEERING
GEAR

Fig
.
8
.



Measuring
tie
rod
end
position
(for
reference
only)
.

3
.
Loosen
outer
tie
rod
end
lock
nut
.
See
Fig
.
9
.

Lock
nut

4
.
Unscrew
tie
rod
end
from
steering
gear
.

0012143

"
Make
sure
all
threaded
parts
are
clean
.
Replace
self-

locking
nuts
and
inner
tie
rod
lockplate
.
"
Install
outer
tie
rod
end
to
new
tie
rod
using
reference

measurement
recorded
earlier
.

Fig
.
9
.



Outer
tie
rod
end
lock
nut
(arrow)
.



"
Have
car
professionally
aligned
.

5
.
Installation
is
reverse
of
removal
.
Make
sure
all
thread-

ed
parts
are
clean
.
Have
thecar
professionally
aligned
.

Tightening
Torques

"
Outer
tie
rod
end
losteering
arm
....
45
Nm
(33
ft-Ib)

"
Outer
tie
rod
end
lock
nut
..
.......
.
35
Nm
(26
ft-Ib)

Tie
rod,
replacing

1
.
Raise
car,
remove
outer
tie
rod
end
ball
jointnut,
and

press
out
outer
tie
rod
end
ball
joint
as
described

above
.

2
.
Make
a
reference
measurement
of
outer
tie
rod
end
to

tie
rod
.
See
Fig
.
8
.
Record
measurement

NOTE-
Accurate
measuring
of
the
tía
rod
end
in
reference
to
the
tie
rod
will
help
to
approximate
wheel
alignment

when
new
parts
are
installed
.

STEERING
AND
WHEEL
ALIGNMENT



320-
5

3
.
Loosen
rack
boot
bellows
clamp
and
slide
bellows

back
.
Inspect
boot
for
any
signof
damage
.
Replace
if

necessary
.

4
.
Unlock
inner
tie
rod
end
lockplate
using
pliers
.

5
.
Using
special
tool,
unscrew
inner
tie
rod
end
from

steeringrack
.
See
Fig
.
10
.

WHEEL
ALIGNMENT

Caster
and
Camber

Fig
.
10
.
Special
tool
(arrow)
installed
on
inner
tie
rod
end
.

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

Tightening
Torques

"
Outer
tie
rod
end
to
steering
arm
..
.
.
45
Nm
(33
ft-Ib)

"
Outer
tie
rod
end
lock
nut
..........
35
Nm
(26
ft-Ib)

"
Inner
tie
rod
to
steering
gear
.......
71
Nm
(52
ft-Ib)

Proper
handling,
stability,
tire
wear,
and
driving
ease
de-

pendupon
the
correct
alignment
of
al¡
four
wheels
.
The
front

axle
is
aligned
in
relation
to
the
rear
axie,
then
the
front
wheels

are
aligned
in
relation
to
one
another
.
This
is
known
as
a
four-

wheel
or
thrust-axis
alignment
.

The
BMW
E36
uses
a
sophisticated
multi-link
suspension

at
the
front
and
rear
of
the
car
.
Proper
alignment
requires

computerized
alignment
equipment
.

Front
and
rear
caster
and
Camber
are
both
fixed
by
the
de-

sign
of
the
car
.
Any
deviations
are
usually
the
result
of
worn
or

damaged
suspension
or
body
parts
.

WHEEL
ALIGNMENT

320-
6



STEERING
AND
WHEEL
ALIGNMENT

Front
Toe-in
andToe
Difference
Angle



Wheel
Alignment
Specifications

Toe-in
is
the
difference
in
the
distance
between
the
front
of



Alignment
specificationsfor
the
E36
are
listed
in
Table
a

the
front
wheels
and
the
rear
of
the
front
wheels
.
It
is
adjusted



and
Table
b
.
The
specifications
only
apply
under
the
following

by
altering
the
length
of
the
outer
tie
rods
.



conditions
:

Toe-in
adjustments
should
only
be
made
on
alignment
equipment
with
the
car
in
normalloaded
position
as
described

below
under
Wheel
Alignment
Specifications
.

Toe
difference
angledetermines
the
progressively
different

pathstaken
by
the
front
wheelsas
the
car
is
turning
.
It
is
fixed
by
the
steering
gear,
but
depends
on
accurate
setting
of
the
toe-in
.

Rear
Toe-in

There
is
no
provision
for
routinerear
wheel
toe-in
adjust-

ment
.
If
any
alignment
angles
deviate
from
specifications,
carefully
inspect
the
rear
trailing
arms,
rear
suspension
sub-
frame
and
al¡
associated
bushings
and
flexible
mounts
for
wear
or
damage
.
After
replacing
any
parts
that
appear
worn
or
damaged,
re-check
thetoe
measurements
.

WHEEL
ALIGNMENT

Table
a
.
Front
Wheel
Alignment
Specifications

"
Correct
wheels
and
tires
are
installed,
in
good
condition,
and
are
at
the
correct
inflation
pressures
.

"
Al¡
steering
and
suspension
parts
and
bushings
areun-

damaged
and
show
no
signs
of
abnormal
wear
.

"
Wheel
bearings
are
in
good
condition
.

"
Ride
height
is
in
accordance
with
specifications
.

See
310
Front
Suspension
and330
Rear
suspension
.

"
Car
isin
normal
loaded
position
.

Normal
loaded
position

"
Each
front
seat
.....:.............
68
Kg
(150
lb)

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

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

"
Fueltank
.
........................
...
.
..
..
full

3181325
Model



3181325



sport



M3
3
.0
liter



M3
3
.2
liter
suspension

Toe
angle
(total)



0°
18'±8'



0°
18'±8'



0°
10'
±5'



0°
10't5'

Camber

To
1995



-0°
40'±30'



-0°
58'±
30'



-0°55'±30'



-

1995
on



-0°
30'
±30'



-0°
51'±30'



-0°55'±30'



-0°
46'±30'

Caster

10°
wheel
lock



3°
41'±30'



3°
50'±30'



6°
38'±30'



9°
35'±30'

20°
wheel
lock



3°
52'±30'



3°
57'
t30'



6°
52'±30'



7°
50'±30'

Front
Wheel
Displacement



0°
t15'



0°t15'



0°
±15



0°
±15'

Table
b
.
Rear
Wheel
Alignment
Specifications

3181325
Model



3181325



sport



M3
3
.0
liter



M3
3
.2
liter
suspension

Toe
angle
(total)



0°
24't6'



0°
24'±6'



0'30'
.-t6'



0°
30't6'

Camber



-l'
40'
t15'



-2°
0'
t15'



-1
°
45'
t10'



-1'45'±10'

Maximum
allowabledeviation
between
sides



0°
±3'



0°
±3'



0°
t3'



0°
t3'

330-2



REAR
SUSPENSION

Table
a
.
Rear
RideHeight
Specifications

Wheel
size



318,323,
325,



M3
modeis
328
modeis

17inch
std
.
suspension



546
mm
(21.69
in)
sport
suspension



~
535
mm
(21.06
in)



1
540
mm
(21
.26
in)

Maximum
variation
between
sides
:
10
mm
(0
.4in)
Maximum
deviation
from
specifications
:
10
mm
(0
.4in)

SHOCK
ABSORBERS
AND
SPRINGS

The
BMW
E36
independent
rear
suspension
is
shown
in

Fig
.
2
.
Refer
tothis
illustration
while
performing
repairs
on

components
covered
in
this
repair
group
.

NOTE-

Shock
absorbers
andlor
springs
shouldalways
be
re-
placed
in
pairs

i

Stabilizer
bar
link

Trailing

arm
-

bushing

Fig
.
2
.



BMW
E36
rear
suspension
.

SHOCK
ABSORBERS
AND
SPRINGS

Lower
control
arm

Trailing
arm

front
bracket

WARNING
-

"
Do
not
reuse
self-locking
nuts
.
They
arede-

signed
to
beused
only
once
and
may
fail
if
re-

used
.
Always
replace
them
with
new
self-locking

nuts
.

"
Personal
injury
may
result
if
procedures
de-
scribed
here
are
undertaken
without
the
proper
service
tools
and
equipment
.
Be
sure
to
have
the
right
tools
onhand
before
beginning
the
job
.

"
Do
not
install
bolts
and
nuts
coated
with
under-
coating
wax,
as
correct
tightening
torque
cannot

be
assured
.
Always
clean
the
threads
with
sol-

vent
before
installation,
or
ínstall
new
parts
.
"
Do
not
attempt
to
weld
or
straighten
any
suspen-
sion
components
.
Replace
damaged
parts
.

Wheel
bearing

Fig
.
7
.



Rear
wheel
bearing
assembly
.

Circlip



Drive
flange



Collar
nut

0012152

Rear
wheel
bearing,
replacing

1
.
Raise
car
and
support
safely
.
Remove
rear
wheel
.

2
.
Remove
drive
axle
as
described
later
.



6
.
Remove
bearíng
retainer
circlip
from
trailing
arm
.

3
.
Remove
brake
caliper
assembly
and
rotor
as
described



7
.
Using
appropriate
press
tools,
pull
bearing
assembly

in
340
Brakes
.
Leave
brake
hose
connected
to
caliper
.



out
of
trailing
arm
bearing
housing
.

Suspend
caliper
assembly
from
chassís
using
stiff
wire
.

8
.
Inspect
bearing
housing
for
any
damage
or
contamina

4
.
Remove
ABS
pulse
sensor
.
See
Fig
.
8
.



tion
.
Clean
housing
bore
thoroughly
before
installing

new
bearing
.
Make
sure
al¡
thread
bores,
bolts,
nuts

and
mating
surfaces
are
clean

Fig
.
8
.



ABS
pulse
sensor
being
removed
.

5
.
Remove
drive
flange
from
bearing
assembly
.
See
Fig
.

9
.

NOTE-

If
the
inner
bearing
race
remains
attached
to
the
drive

flange,
use
BMW
special
tool
nos
.
007
500
and
33
1

312
or
equivalents
to
separate
inner
race
from
flange
.

REAR
SUSPENSION



330-
5

0013125

Fig
.
9
.



Drive
flange
being
removed
from
bearing
assembly
using
im-
pact
style
puller
.

9
.
Install
new
bearing
assembly
using
press
tools
.
Apply

force
only
to
outer
race
when
installing
bearing
.

WARNING
-

M3
installation
:
redsealing
ríng
on
rear
wheel
bear-

ing
must
face
outward
.
Otherwíse
ABS
will
not
func-
tion
.

10
.
Insta¡¡
new
circlip
.
The
old
circlip
should
never
be
re-

used
.

CAUTION-

Make
sure
that
the
bearing
is
pressed
in
far
enough
to
contact
the
shoulder
at
the
back
sideof
the
housing
and
that
the
circlip
is
fully
seated
in
its
groove
.

11
.
Draw
drive
flange
into
bearing
using
appropriate
press

tools
.
Support
bearing
inner
race
when
pressing
in

0013223



drive
flange
.

NOTE-

BMW
specifies
special
tools
to
pull
the
drive
fiange
through
the
wheel
bearing
into
position
.
If
using
alter-
native
tools,
be
sure
to
support
the
bearing
inner
race
when
pressing
orpulling
the
drive
flange
finto
place
.

REARWHEEL
BEARINGS

Fig
.
11
.
Drive
flange
collar
nut
(arrow)
.

0012111

8
.
Support
trailing
arm
from
below,
using
a
transmission

jackorequivalent
.
Remove
shock
absorber
to
trailing

arm
bolt
.

WARNING
-

It
is
recommended
that
a
restraining
chain
be
in-
stalled
between
the
bottom
coil
of
the
coil
spring
and
the
upper
control
arm
to
retain
thespring
in
case
of
accidental
release
.
Personal
injury
can
re-
sult
if
the
compressed
coil
spring
is
not
released
slowly
and
carefully
.

REAR
SUSPENSION



330-
7

9
.
Lower
trailing
arm
sufficiently
to
gain
clearance
for
re-
moving
drive
axle
.
If
necessary
use
an
appropriate
puller
to
Rmove
drive
axle
from
wheel
bearing
housing
.
See
Fig
.
13
.

10
.
Installation
is
reverse
of
removal
.

Fig
.
13
.
Press
drive
axle
from
wheel
bearing
housing
using
puller
.

"
Apply
a
light
coating
of
oil
to
contact
face
of
collar
nut,
and
install
it
loosely
.

"
Install
road
wheel
and
lower
car
to
ground
.
"
With
an
assistant
applying
brakes,
tighten
drive
axle
collar
nut
to
its
final
torque
.

"
Install
a
new
collar
nut
retaining
plate
.

Tightening
Torques

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

"
Brake
rotor
to
drive
flange
.........
16
Nm
(12
ft-Ib)

"
Drive
axle
collar
nut
to

drive
flange
.
.
....
..
.
..........
250
Nm
(184
ft-Ib)

M3
......
.
.
.....
.
.
..........
300
Nm
(221
ft-Ib)

"
Drive
axie
to
final
drive
unit
mounting
flange
.
.
.
.....
M8
Torx
bolt
.
...
...
.
............
64
Nm
(47
ft-Ib)
M10
Torx
bolt
...
...............
100
Nm
(74
ft-Ib)

Road
wheel
to
hub100±10
Nm
(74t7
ft-Ib)
0012103



"
Shock
absorber
to
Fig
.
12
.
Drive
axle
to
final
drive
mounting
bolts
(arrows)
.



trailing
arm
.
.
...
...
.
............
77
Nm
(57
ft-Ib)

DRIVE
AXLES