ac bracket BMW 328i 1997 E36 Service Manual

330-
1
0



REAR
SUSPENSION

Trailing
arm,
removing
and
installing

1
.
Raise
rear
end
of
car
and
remove
wheel
.

WARNING
-

Make
sure
that
the
car
is
firmly
supported
on
jack
standsdesigned
for
the
purpose
.
Place
the
jack
standsbeneatha
structural
chassis
point
.
Do
not
place
jack
stands
under
suspension
parts
.

2
.
Remove
drive
axle
as
described
earlier
.

3
.
Remove
brake
rotor
and
caliper
as
described
in
340

Brakes
.
Do
not
remove
brake
line
from
caliper
.
Hang

caliper
from
body
with
wire
.

4
.
Remove
parking
brakecable
frombrake
shoe
expand-

er
.
See
340
Brakes
.

5
.
Remove
rear
brake
line
bracket
from
trailing
arm
.
See

Fig
.
17
.

Fig
.
17
.
Brake
line
bracket
bolts
on
trailing
arm
(arrow)
.

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
retainthe
spring
in
case
of
accidentalrelease
.
Personal
injury
can
re-sult
if
the
compressed
coil
spring
is
not
released
slow1y
and
carefully
.

REAR
SUSPENSION
ARMS

6
.
Support
trailing
arm
from
below
with
a
transmission
jackorequivalent
.

7
.
Remove
shock
absorber
to
trailing
arm
bolt
.
See
Fig
.
18
.
Slowly
lower
suspension
until
coil
spring
can
be
safely
removed
.

0013220

Fig
.
18
.
Support
trailing
arm
before
removing
lower
shock
bolt
(ar-

row)
.

8
.
Unbolt
upper
and
lower
control
arms
from
trailing
arm,

as
described
later
.

9
.
Remove
ABS
wheel
speed
sensor
from
rear
wheel

bearing
housing
.
Unclip
sensor
wiríng
from
trailing
arm
.

If
removing
right
trailing
arm,
separate
brake
pad
wear

sensor
connector
.
See
Fig
.
19
.

0012104

Fig
.
19
.
Brake
pad
wear
sensor
and
ABS
wheel
speed
sensor
con-
nectors
(arrow)
.

10
.
Remove
three
bolts
holding
trailing
arm
front
bracket
to
body
.
See
Fig
.
20
.
Remove
trailing
arm
.

Fig
.
20
.
Trailing
arm
front
bracket
bolts
(arrows)
.

NOTE-

BMW-supplied
replacement
trailing
arms
come
with
the
bushings
installed
.
Anew
wheel
bearing
will
have
to
be
installed
.

0013222

11
.
If
trailing
arm
is
being
replaced,
transfer
trailing
arm
front
bracket
.
Transfer
attached
brake
system
compo-
nents
to
newarm
as
described
in
340Brakes
.
Insta¡¡
a
new
wheel
bearing
as
described
earlier
under
Rear
Wheel
Bearings
.

12
.
Installation
is
reverse
of
removal
.
"
Alwaysuse
new
self-locking
nuts
.
"
Have
car
professionally
aligned
when
job
is
complete
.

Tightening
Torques

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

"
Road
wheel
to
wheel
hub
.
...
100±10
Nm
(74t7
ft-Ib)

"
Shock
absorber
to
trailing
arm
......
77
Nm
(57
ft-Ib)
"
Trailing
arm
tofront
bracket
.......
110
Nm
(81
ft-Ib)

"
Trailing
arm
bracket
to
body
........
77
Nm
(57
ft-Ib)

"Trailing
arm
to
upper

or
lower
control
arm
(M12
bolt)
....
110
Nm
(81
ft-Ib)

REAR
SUSPENSION



330-
1
1

Trailing
arm
bushing,
replacing

NOTE-

When
replacing
any
bushing
in
the
rear
trailing
arm,
measure
and
recordthe
orientation
and
protrusion
of
the
bushing
from
its
boss
.
Press
in
new
bushing
to
match
the
positionof
theold
one
.

1
.
Remove
trailing
arm
as
described
above
.

2
.
Pressbushing
out
of
trailing
arm
using
appropriate
press
tools
.

3
.
Coat
new
bushing
with
Circolight
9
lubricant
or
equiva-
lent
.

4
.
Using
appropriate
press
tools,
draw
new
bushing
into
trailing
arm
until
previously
measured
protrusion
is
achieved
.

5
.
If
front
bracket
bushing
was
replaced,
alignfront
brack-
et
before
tightening
bolt
.
See
Fig
.
21
.

A

B=8mm
measured
upfrom
cast-
ing
mark
on
trailing
arm
.
0013237

Fig
.
21
.
When
installing
trailing
arm
front
bracketuising
8mm
bar
stock
.

6
.
Installation
is
reverse
of
removal
.

"
Have
car
professionally
aligned
when
job
is
complete
.

Tightening
Torques

"
Trailing
arm
tofront
bracket
.......
110
Nm
(81
ft-Ib)

"Trailing
arm
bracket
to
body
......
.
.
77
Nm
(57
ft-Ib)

REAR
SUSPENSION
ARMS

ENGINE
HOOD

Hood,
raising
to
service
position

CA
UTION-

Do
not
switch
on
the
windshield
wipers
wlth
the
engine
hood
raised
.
As
a
precaution,
remove
the
wiper
motor
fuse
.
See
610
Electrical
Compo-
nent
Locations
.

1
.
4-door
models
:
Open
hood
fully
.
Remove
bolt
from

hood
hinge
behind
hood
supports
(left
and
right)
.
Raise
hood
to
service
position
.
See
Fig
.
5
.

2
.
2-door
models
:
Open
hood
fully
.

Fig
.
5
.



Hood
support
bracket
boltto
be
removed
(A)
on
4-door
cars
.

Remove
bolts
at
left
and
right
hinges
.
Swing
bracket
in
direc-
tion
of
arrow
to
raise
hood
into
service
position
.

"
Remove
ground
cable
atright
hood
hinge
.

"
Whilean
assistant
supports
hood,
detach
both
hood

supportsfrom
hood
.

"
Remove
detent
screws
at
back
of
hood
hinges
.
See

Fig
.
6
.
"
Lift
hood
while
pulling
hinge
forward
.
Support
hood
at

higher
position
.

3
.
When
service
work
is
complete,
return
hood
to
lower

position
and
instaf
screws
or
bolts
.

FENDERS,
ENGINE
HOOD



410-
3

Fig
.
6
.



Torx
screw
at
base
of
hood
hinge
(arrow)
.

Hood,
removing
and
installing

0013147

1
.
Raise
hood
.
Where
applicable,
partially
remove
hood

acoustic
insulation
to
access
rear
of
hood
.
See
Fig
.
7
.

Fig
.
7
.



Hood
insulation
retainer
being
pried
out

3
.
Detachgas-charged
hood
supportsfrom
hood
.

CAUTION
-

The
hood
is
heavy
.
Before
removing
the
hood
sup-
ports
or
hood
retainingbolts,
be
sure
to
have
an
assistant
help
support
the
hood
.

0013148

2
.
Disconnect
washer
fluid
hoses
from
washer
nozzles
.

Where
applicable,
disconnect
electrical
harness
con-

nectors
fromheated
nozzles
.

ENGINE
HOOD

BUMPERS

Front
bumper,
removing
and
installing

Refer
to
Fig
.
6
.
when
removing
and
installing
the
front
bumper
.

1
.
Raise
and
properly
support
vehicle
.

WARNING
-

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

2
.
Unclip
left
trim
strip
by
prying
gently
under
plastic
trim
at
front
of
bumper
.
Similarly,
unclip
towing
eyecoverfrom
right
side
.

5
.
Remove
bumper
cover
retaining
screws
in
front
wheel
3
.
Remove
four
mounting
nuts
from
bumper
mounts
(two



well
(left
and
right
sides)
.
See
Fig
.
8
.
nuts
on
eachmount)
.
See
Fig
.
7
.

4
.
Working
underneath
car,
removescrews
from
left
and
right
side
corner
trim,
then
remove
trim
.

Side
brackets

Bumper
cover

Fig
.
6
.



Front
bumper
assembly
.

EXTERIOR
TRIM,
BUMPERS



510-3

Fig
.
7
.



Front
bumper
mounting
nuts
(arrows)
.
Lefttrim
andtow
eye
cover
on
right
have
been
removed
.

6
.
Disconnect
harness
connectors
at
foglight
sockets
(if
applicable)
.

Side
corner
trim



Support
bracket

Impact
absorber

o



O
Foglight
support

LBumner
bracket
bolt

License
plata



0011944
bracket

BUMPERS

510-4



EXTERIOR
TRIM,
BUMPERS

Fig
.
8
.



Bumper
cover
retaining
screws
(arrows)
in
left
wheel
weil
.

7
.
Disconnect
harnessconnectors
at
outside
temperature



0013052

sensor
at
rear
of
left
side
of
bumperand
temperatura



Fig
.
9
.



Front
bumper
impact
absorber
mounting
nuts
(A)
and

switch
at
rear
of
right
side
of
bumper
(if
applicable)
.



bumper
bracket
hardware
(B)
.

8
.
Slide
bumper
straight
off
sida
brackets
.

9
.
Installation
is
reverse
of
removal,
notingthe
following
:



When
removing
and
installing
therear
bumper
or
its
compo-

"
Slide
side
brackets
on
bumper
and
body
carefully
to-



nents,
referto
Fig
.
10
.

gether
.

"
Make
sure
tabs
on
trim
strip
engage
slots
in
bumper



1
.
Raise
and
properly
support
vehicle
.

correctly
.

Tightening
Torque

"
Bumper
to
bumper

bracket
(M8
nut)
............
...
.
.
22
Nm
(16
ft-Ib)

2
.
Working
under
bumper,
remove
screws
or
expansion

Front
bumper
impact
absorber,replacing



rivetsat
corners
and
middle
of
lower
bumper
panel
.
Pull

panel
backward,
uncoupling
it
from
bumper
cover
.
See

Thebumper
mounting
bracket
and
impact
absorber
mount-



Fig
.
11
.

ing
hardware
are
accessible
with
the
Font
bumper
removed,
as
described
above
.
See
Fig
.
9
.



3
.
Remove
bumper
cover
expansion
rivets
and
screws
in-

side
left
and
right
rear
wheel
wells
.

NOTE
-

Install
the
bumper
bracket
boltwith
thread
locking
com-
pound
suchas
Loctite
8
270
or
equivalent
.

Tightening
Torques

"
Bumper
bracket
to
impact
absorber

(M10
nut)
.
..
.
...
.............:.
55
Nm
(41
ft-Ib)
"
Impact
absorber
to
chassis
(M6
nut)
...
9
Nm
(7
ft-Ib)

BUMPERS

Rear
bumper,
removing
and
installing

WARNING
-

Make
sure
that
the
car
is
firmly
supported
on
jack

stands
designad
for
the
purpose
.
Place
the
jack

stands
beneath
a
structural
chassis
point
.
Do
not

place
jack
stands
under
suspension
parts
.

4
.
Remove
left
and
right
bumper
bracket
mounting
bolts

and
remove
bumper
.
See
Fig
.
12
.

5
.
Installation
is
reverse
of
removal
.

NOTE-

Install
the
bumper
bracket
bolt
with
thread
locking
com-
pound
suchas
Loctite®270
or
equivalent
.

Fig
.
10
.
Rear
bumper
assembly
.

0013045

Fig
.
11
.
Expansion
rivet
at
corner
of
rear
bumper
lower
panel
(arrow)
.
Some
models
usescrews
.
Pull
panel
backward
to
disengage
from
bumper
cover
.

Tightening
Torque

"
Bumper
bracket
to
impact
absorber

(M10
bolt)
.
..
...........
...
.
..
..
42
Nm
(31
ft-Ib)

EXTERIOR
TRIM,
BUMPERS



510-5

0013047
Fig
.
12
.
Inserttool
through
rear
bumper
mount
bores
to
remove
mounting
bolts
(right
side
shown)
.

BUMPERS

510-
6



EXTERIOR
TRIM,
BUMPERS

Rear
bumper
impact
absorber,replacing

1
.
Remove
bumperas
described
above
.

2
.
Remove
luggage
compartment
floor
covering
.

Fig
.
13
.
Luggage
compartment
floor
panel
fasteners
(arrows)
.
(Left

side
shown
.
Righf
side
is
similar)

5
.
Installation
ís
reverse
of
removal
.

Bumper
height,
adjusting

Tightening
Torques

"
Bumper
bracket
to
impact
absorber

(M10
bolt)
.
............
.
...
..
..
.
42
Nm
(31
ft-lb)

"
Impact
absorber
to
chassis

(M8
nut)
.
.
..........
.
......
.
.
.
.
22
Nm
(16
ft-Ib)

The
adjustment
procedure
given
below
applies
to
either
the

frontor
rear
bumper
.
A
14mm
allen
socket
is
needed
to
make

the
adjustment
.

1
.
Raise
and
properly
support
vehicle
.

WARNING
-

Make
sure
that
the
car
is
firmly
supported
on
jack
stands
designed
for
the
purpose
.
Place
the
jack
stands
beneath
a
structural
chassis
point
.
Do
not
place
jack
stands
under
suspension
parts
.

2
.
Front
bumper
:

"
Remove
bumper
as
described
earlier
.
"
Remove
bumper
bracket
bolt
.
Refer
to
Fig
.
9
.

EXTERIOR
TRIM

3
.
Rear
bumper
:

"
Remove
lower
bumper
panel
as
described
in
Rear

bumper,
removing
and
installing
.

"
Remove
bumper
bracket
mounting
bolt
at
impact
ab-

sorber
.

3
.
Right
side
:
Remove
battery
and
battery
tray
.



4
.
Using
a
12-inch
extension
and
a
l4mm
Allen
socket,

turn
adjusting
collar
clockwise
or
counterclockwise
as

4
.
Remove
fasteners
from
left
or
right
luggage
compart-



needed
to
change
height
of
adjusting
collar
.
See
Fig
.

ment
floor
panels
and
lift
out
panel
.
See
Fig
.
13
.
Impact



14
.

absorber
mounting
nuts
can
now
be
accessed
.

~4

EXTERIOR
TRIM

Ratchet
extension

Adjusting
collar

Impact
absorber,

14
mm
Allen
Socket

Ratchet

0012073

Fig
.
14
.
Adjust
bumper
height
at
threaded
adjusting
collar
in
bumper
impact
absorber
.

5
.
Reinstall
mounting
bolts
and
check
bumper
height
.
Re-

fit
front
bumper
.

Tightening
Torques

"
Front
bumper
to

bumper
bracket
(M8
nut)
......
.
..
.
22
Nm
(16
ft-Ib)

"
Front
bumper
bracket
to

impact
absorber
(M10
bolt)
........
55
Nm
(41
ft-Ib)

"
Rear
bumper
bracket
to

impact
absorber
(M10
bolt)
........
42
Nm
(31
ft-Ib)

Much
of
the
exteriortrim
is
retained
to
the
body
by
plasticclips
and
fasteners
that
may
be
damaged
during
removal
.
Be

sure
to
have
the
necessary
fasteners
onhand
when
removing

exterior
trim
pieces
.

512-
4



DOOR
WINDOWS

7
.
Push
regulator
stop
tightly
against
window
regulator



4
.
Lower
door
window
about
12
in
.
(300
mm)
.
Remove

sector
and
tighten
nut
.



window
lifting
arm
retaining
clip
from
window
slide
.
Re-

o
Check
for
tight,
even
fit
at
top
of
window
frame
.



fer
to
Fig
.
2
.

"
If
necessary,temporarily
reconnect
negative
(-)
cable

to
battery
and
raise
window
so
it
is
pressing
uniformly



WARNING-

against
toprubber
sea¡
before
final
tightening
.



Once
the
window
is
lowered,
dísconnect
harness
connector
from
power
window
motor
to
prevent
ac-
8
.
Reinitialize
front
window
motorsas
described
earlier
.



cidental
operation
of
the
window
.

Tightening
Torques

"
Regulator
stop
to
window
regulator
....
9
Nm
(7
ft-Ib)

"
Window
regulator
bracket
to
door
.....
9
Nm
(7
ft-Ib)

Rear
door
window,
removing
and

installing
(4-door
models)

1
.
Remove
rear
door
panel
and
vapor
barrier
.
See
411



7
.
Remove
window
glass
from
above
.
Doors
.

2
.
Pul¡
out
rubber
guide
at
front
of
window
frame
.
Remove

three
screws
and
pul¡
off
exteriortrim
cover
.
See
Fig
.
6
.

UJ117U1
Fig
.
6
.



Trim
covermounting
screws
(arrows)
.
To
remove
cover,
slide
upand
off
door
.

3
.
Lift
up
andremovewindow
inner
sealing
strip
.
Remove

clipsat
edge
of
window
channel
.
Refer
to
Fig
.
1
.

WINDOW
SERVICE,
4-DOOR
MODELS

5
.
Pry
lifting
arm
out
of
slide
.
Refer
to
Fig
.
3
.

NOTE
-

Support
window
in
door
before
disconnecting
lifting

arm
from
window
slide
.

6
.
Remove
rubber
channelfromdoorframe
perimeter
.

8
.
Installation
is
reverse
of
removal
.

"
Rear
window
adjustment
is
similar
to
front
window
ad-

justment,given
earlier
.

"
Reinitialize
window
motorsas
described
earlier
.

Rear
door
fixed
glass,
removing
and

installing
(4-door
models)

1
.
Remove
window
from
rear
dooras
described
earlier
.

2
.
Remove
upper
and
lower
bolts
at
guide
rail
.
Lift
up
rub-

ber
sea¡
to
accessupper
bolt
.
See
Fig
.
7
.

Fig
.
7
.



Rear
guide
rail
mounting
bolts
(arrows)
.

3
.
Remove
guide
rail
screw
at
top
and
move
rail
aside
enough
to
slide
glass
forward
and
out
of
door
frame
.

See
Fig
.
8
.

4
.
Installation
is
reverse
of
removal
.

WINDOW
SERVICE,

2-DOOR
MODELS

WARNING
-

When
servicing
the
door
windows,
the
hamess
con-
nector
to
the
window
regulator
shouldalwaysbe
disconnectod
to
prevent
pinching
fingers
in
closing
window
.

2-door
models
are
equipped
with
the
"close
with
door
shut"

feature
.
In
this
rriode,
the
window
glass
moves
down
slightly

when
the
door
latch
is
activated,
then
goes
up
tightly
against

the
weather-strip
when
the
door
is
fully
closed
.

Front
door
window,
removing
and

installing
(2-door
models)

WARIWNG
-

Some
1997and
a111998
cars
are
fitted
with
side-im-

pact
airbags
in
the
front
doors
.
When
servicing
the
front
windows
on
cars
with
front
side-impact
air-
bags,
always
disconnect
the
negative
(-)
battery
cable
.
See
721
Airbag
System(SRS)
for
cautions

and
procedures
relating
to
the
airbag
system
.

DOOR
WINDOWs
512-
5

CAUTION-

"In
models
with
side-impact
airbags,
removing
the
front
window
requires
fhat
the
battery
cable
be
reconnected
with
the
side-impact
airbag
dis-
connected
.
This
will
set
a
fault
code
in
the
SRS
control
module,
turn
on
the
SRS
warning
light,
and
disable
the
SRS
system
until
the
fault
mem-
ory
is
cleared
using
special
SRS
test
equipment
.

"
Removing
the
front
window
will
upset
the
adjust-
ment
and
alignment
of
the
window
.
Window
ad-justment,
as
described
later,
must
be
carried
out
after
installation
to
prevent
damaging
the
glass
.

1.
On
carswith
side-impact
airbags,
disconnect
negative

(-)
cable
from
battery
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
viii
.

Fig
.
8
.



Remove
guide
rail
screw
(A)
and
move
rail
aside
.



2
.
Remove
interior
door
panel
and
vapor
barrier
.
See
411

Doors
.

3
.
Where
applicable,
remove
side-impact
airbag
from

door
.
See
721
Airbag
System
(SRS)
.

NOTE-

In
some
models
covered
in
this
manual,
it
is
notessen-
tial
to
remove
the
side-impact
airbag
lo
access
intemal
door
components
.
However,
the
procedure
is
recom-
mended
for
safety
reasons
.

4
.
Pull
off
exterior
doormolding
.
See
510
Exterior
Trim,

Bumpers
.

5
.
Lower
door
window
completely
If
necessary,
tempo-

rarily
reconnect
battery
cable
.

6
.
Lift
up
and
remove
window
innersealing
lip
.
Remove
all

metal
retainers
under
sealing
lip
.
See
Fig
.
9
.

NOTE
-

The
front
window
regulator
motors
must
be
re-initial-



7
.
Raise
window
to
about10
in
.
(250
mm)
.
If
necessary,

ized
after
repairs
are
carried
out
.
If
the
window
motors



temporarily
reconnect
battery
cable
.
Remove
guide

arenot
reinitialized,
the
programmed
one-touch



bracket
mounting
nuts
and
remove
bracket
.
See
Fig
.
up/down
and
anti-pinch
functions
will
be
disabled
.
See



10,

Front
doorwindow,
initializing
.

8
.
Lower
window
about
4'/2
in
.
(110mm)
.
If
necessary,
tem-

porarily
reconnect
batterycable
.
Working
through
bore

hole
in
door
exterior,
remove
lower
guide
bracket

through-bolt
from
glass
.
See
Fig
.
11
.

9
.
Lower
window
about
2'/2
in
.
(65
mm)
.
If
necessary,
tem-

porarily
reconnect
battery
cable
.
Repeat
step
8
to
re-

move
upper
through-bolt
from
guide
bracket
.

10
.
Raise
window
to
about
7
1
/2in
.
(190
mm)
from
top
.
If
nec-

essary,
temporarily
reconnect
batterycable
.
Remove

window
rear
limit
stop
bracket
.
See
Fig
.
12
.

WINDOW
SERVICE,
2-DOOR
MODELS

512-
6



DOORWINDOWS

0013061
Fig
.
9
.



Lift
window
inner
sealing
lip
fromdoor
.
Note
metal
retainer
(arrow)
.

0013083

Fig
.
10
.
Window
rear
guíde
bracket
nuts
A
to
be
removed
.
Loosen
nuts
B
to
allow
bracket
room
to
swivel
out
of
the
way
.

WINDOW
SERVICE,
2-DOOR
MODELS

0013063

Fig
.
11
.
Using
4mm
Allen
socket,
reach
through
rear
bore
hole
(A)
in
door
to
remove
window
guide
bracket
boits
.
(Exterior
door
molding
hasbeen
removed
.)

0013065
Fig
.
12
.
Toremove
rear
window
limit
stop
bracket,
remove
bolt
A
and
loosen
clamping
bolt
B
.

11
.
Lower
window
about
4
1
/2
in
.
(110
mm)
.
If
necessary,
temporarily
reconnect
battery
cable
.
While
supporting
window,
remove
retaining
clips
from
window
slides
and
disconnect
lifting
arms
from
slides
.
See
Fig
.
13
.