1997 BMW 328i ac bracket

13
.
Remove
transmission
mounting
bolts
(Torx-head)
.

Note
length
and
location
of
bolts
.
See
Fig
.
13
.

Fig
.
13
.
Transmission
mounting
bolts
.

0611642

CA
UTION-

Atno
time
should
the
weight
of
thetransmission
be
supported
by
the
transmission
inputshaft
.

NOTE
-

Washers
should
always
be
used
with
Torx-head
bolts
.

Installing
bolts
without
washers
will
make
them
difficult

to
loosen
.

MANUAL
TRANSMISSION



230-
7

Fig
.
14
.
Bellhousing
alignment
dowels
(arrows)
.

16
.
Install
driveshaft
and
preload
center
bearing
bracket
.

Usenew
nuts
when
mounting
driveshaft
to
transmis-

síon/flex
disc
and
final
drive
.
See
260
Driveshaft
.

17
.
Refill
transmission
with
appropriate
lubricant
before

starting
or
towingthe
car
.
See
Transmission
Fluid

Service
earlier
in
this
repair
group
.

14
.
Remove
transmission
by
pulling
backward
until
the
trans-



Tightening
Torques

mission
inputshaft
clears
the
clutch
disc
splines,
then



"
Reinforcing
cross
brace

pulí
downwards
.
Lower
jack
andremove
transmission
.



to
chassis
(M10)
.
...
.............
42
Nm
(31
ft-Ib)

"
Rubber
mount
to
transmission

15
.
Installation
is
reverse
of
removal,
keeping
in
mind
the



or
bracket
nut
(M8)
.
...
.
...
.......
21
Nm
(16
ft-Ib)

following
:



"
Slave
cylinder
to
transmission
......
22
Nm
(16
ft-Ib)

"
When
installing
exchange
transmission,
transfer
parts



"
Transmission
crossmember
to
chassis

from
old
unit
to
exchange
unit



M8
...............
.
.
...
..
22-24
Nm
(16-17
ft-Ib)

"
Thoroughly
clean
inputshaft
and
clutch
disc
splines
.



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

Lightly
lubrícate
transmission
inputshaft
before
in-



"
Transmission
to
engine
(Torx-head)

stalling
.-



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

"
Be
sure
bellhousing
dowels
are
correctly
located
.
See



M10
.
.................
...
.
..
..
43
Nm
(32
ft-Ib)

Fig
.
14
.



M12
.
..................
..
.
..
..
72
Nm
(53
ft-Ib)

"
Center
rear
of
transmission
in
driveshaft
tunnel
before



"
Transmission
drain/fill
plugs
.
..
.
..
..
50
Nm
(37
ft-Ib)

tightening
transmission
support
bracket
.

TRANSMISSION
REMOVAL
AND
INSTALLATION

2
.
On
MS
270R/A4S
310R
transmissions
:
Remove
front



5
.
Installation
is
reverse
of
Rmoval
.
and
rear
oil
sump
mounting
bolts
andremove
sumps



"
Always
replace
sea¡
for
drain
plug
and
al¡
gasket(s)
andand
sump
gaskets
.



O-rings
.

"
Clean
sump
and
sump
magnet(s)
using
a
lint-free

NOTE-



cloth
.

The
MS
270
R/A4S
310
R
transmissions
may
be
fitted



"
On
MS
270R/A4S310R
transmissions
:
Use
new
bolts

with
ASE
(inch)
bolts
.



at
sump
and
tighten
bolts
in-line,
one
after
other
(do
nottighten
bolts
in
a
cross-wise
pattern)
.

3
.
On
A5S
310Z
transmission
:
Remove
oil
sump
mount-



"
On
MS
310Z
transmission,
be
sureto
instan
rounded

ing
bolts
and
brackets,
noting
position
of
brackets
.
Re-



sump
clamping
brackets
at
corners
of
sump
.

move



"
Fill
transmission
with
approved
fluid
.
sump
and
sump
gasket
.



"
Check
fluid
level
as
described
under
ATF
leve¡,

4
.
Remove
ATF
otra¡ner
mount¡ng
screws
and
remove



checking
.

strainer
together
with
gasket
orO-ring
.
See
Fig
.
4
or

Fig
.
5
.

Fig
.
4
.



A4S
270R/A4S310R
fluid
strainer
mounting
boits
(arrows)
.

Fig
.
5
.



A5S
310Z
fluid
strainer
mounting
boits
(arrows)
.

0013230

AUTOMATIC
TRANSMISSION



240-
3

NOTE-

Use
newsump
bolts
purchased
from
BMW
.
Alternative-
ly,
clean
old
bolts
and
coat
with
Loctite®
thread
locking
compound
or
equivalent

Automatic
Transmission
Fluid
Capacity
(refill
only)

"
MS
270R/A4S310R
Removal
of
large
sump
only
........
3
.0liters
(3.2
qt)
Removal
ofboth
sumps
...........
5
.0liters(5
.3
qt)

"
MS
310Z
..
..
..................
3
.3liters
(3.5
qt)

Tightening
Torques

"
ATF
drain
plug
to
ATF
sump

MS
270R/A4S
310R
..........
..
25
Nm
(18
ft-Ib)

MS
310Z(M10
plug)
..........
..
16
Nm
(12
ft-Ib)

"
ATF
fill
plug
to
ATF
sump

MS
270R/A4S
310R
..........
..
33
Nm
(24
ft-Ib)

MS
310Z(M30
plug)
.....
..
..
:.
100
Nm
(74
ft-Ib)

"
ATF
strainer
to
valve
body

MS
270R/A4S
310R
.....
..
.
...
.
20
Nm
(15
ft-Ib)

MS
310Z
..............
..
.
...
..
6
Nm
(53
in-lb)

"
ATF
sump
to
transmission

MS
270R/A4S
310R
(M6)
.
..
.
..
...
12
Nm
(9
ft-¡b)

MS
310Z
(M6)
..........
..
.
..
...
6
Nm
(53
in-¡b)

TRANSMISSION
SERVICE

240-
4



AUTOMATIC
TRANSMISSION

TRANSMISSION
REMOVALAND

INSTALLATION

Removal
and
installation
of
thetransmission
is
best
accom-

plished
on
a
lift
using
a
transmission
jack
.
Use
caution
and

safe
workshop
practices
when
working
beneath
car
and
low-

ering
transmission
.

WARNING
-

To
lift
the
vehicle
safely,
see010
Fundamentals
for
the
Do-it-Yourself
Owner
.

CAUTION-

"
Be
sure
the
vehicle
is
properly
supported
.
The
removal
of
the
transmission
may
upset
the
bal-
ance
of
the
vehicle
on
a
lift
.

"
Tilting
the
engine
to
remove
the
transmission
can
lead
to
damage
to
various
components
due
to

lack
of
clearance
.
-On
carswith
AST
remove
throttle
body
.
-Remove
brake
fluid
reservoir
if
necessary
.

Torx-head
bolts
are
used
to
mount
thetransmission
to
the

bellhousing
.
Be
sure
to
have
appropriate
tools
on
hand
before

starting
thejob
.

2
.
Install
engine
support
across
engine
bay
.
Raise
and

safely
support
vehicle
.
See
Fig
.
6
.

WARNING
-
"
When
raising
thecar
using
a
floor
jack
or
a
hy-
draulic
lift,
carefully
position
the
jack
pad
to
pre-
vent
damaging
the
car
body
.
A
suitable
liner
(wood,
rubber,
etc
.)
should
be
placed
between
the
jack
and
the
car
to
prevent
body
damage
.

"
Watch
the
jack
closely
.
Make
sure
it
stays
stable
and
does
not
shift
or
tilt
.
As
the
car
is
raised,
the
car
may
roll
slightty
and
the
jack
may
shift
.

CAUTION-

Removal
of
transmission
will
cause
engine
to
tip
unlessengine
support
is
used
.

TRANSMISSION
REMOVAL
AND
INSTALLATION

Fig
.
6
.
Engine
support
equipment
used
to
support
engine
from
above

before
removing
transmission
.

3
.
Raise
vehicle
to
gain
access
to
underside
of
car
.

4
.
Drain
ATF
from
transmission
as
described
earlier
.

5
.
Disconnect
oxygen
sensor
harness
.
Remove
exhaust

system,
and
exhaust
heat
shield
.
See
180
Exhaust

System
.

Transmission,
removing
and
installing



6
.
Remove
driveshaft
.
See
260
Driveshaft
.

1
.
Disconnect
negative
(-)
cable
from
battery
.



7
.
With
selector
lever
in
Park,
disconnect
shift
selector
le-

ver
cable
from
lever
and
remove
cable
bracket
.
Hold

CA
UTION-



linkage
clamping
bolt
stationary
when
loosening

Prior
to
disconnectiog
the
battery,
read
the
battery



clamping
nut
.
See
Fig
.
7
.

disconnection
cautions
given
at
the
front
of
this
manual
on
page
vi¡¡
.

Fig
.
7
.



Selector
lever
cable
clamping
nut
(A)
.
Loosen
cable
clamping
nut
(B)
and
remove
cable
from
bracket
.
Always
counterholdclamping
bolt
when
loosening
nut
.

Fig
.
6
.



Preload
center
bearing
toward
front
4-6
mm
(arrow)
.

5331
5
.
Tightenthreadedsleeveondriveshafttopropertorque
.

6
.
Insta¡¡
heat
shield
and
heat
shield
crossmember
.

Tightening
Torques

"
Driveshaftcenter
mount
to
body
.
.
..
21
Nm
(16
ft-Ib)

"
Driveshaft
clamping
sleeve
.....
.
.
.
10
Nm
(89
in-lb)

"
Driveshaft
to
final
drive
flange

With
CV
joint
(M8)
............
...
32
Nm
(23
ft-Ib)

Wth
U-joint
(M10
ribbed
nut)
....
...
80
Nm
(59
ft-Ib)

With
U-joint
(M10
compressed
nut)
..
60
Nm
(44
ft-Ib)

"
Flex-disc
to
driveshaft
or
transmissionflange

M10
(8.8
grade)
.........
.
....
..
.
48
Nm
(35
ft-Ib)

M10
(10
.9
grade)
........
.
....
...
64
Nm
(47
ft-Ib)

M12
(8.8
grade)
........
.....
..
.
.
81
Nm
(60
ft-Ib)

M12
(10
.9
grade)
.
.
....
......
...
100
Nm
(74
ft-Ib)

M12
(10
.9
grade)
(M3
models)
..
.
.
.
115
Nm
(85
ft-Ib)

"
Transmission
crossmember

to
body
(M8)
.
....
...........
....
21
Nm
(16
ft-Ib)

NOTE-

Bolt
grade
is
markedon
the
bolt
head
.
When
replacing
bolts,
only
use
bolts
of
the
same
strength
and
hardnessas
the
originalsinstalled
.

Flex-disc,
replacing

The
flex-disc
between
the
front
section
of
the
driveshaft
and

theoutputflange
of
the
transmission
should
be
checked
for

cracks,
tears,
missing
pieces,
or
distortion
.
Check
for
worn
bolt
hole
bores
in
theflange
.

1
.
Remove
driveshaft
as
described
in
Driveshaft,
remov-
ing
.

NOTE-

¡t
is
possible
to
only
partially
remove
the
driveshaft,
leaving
it
connected
to
the
final
drive
.
The
driveshaft
canbe
tilted
down
in
thecenter
and
slidoff
the
trans-
mission
flange
once
the
clamping
sleeve
is
loosened
and
the
center
bearing
bracket
is
unbolted
.
Suspend
the
driveshaft
using
stiff
wire
in
as
close
to
the
installed
position
as
possible
.
If
the
driveshaft
hangs
unsupport-
ed,
the
rear
universal
joint
may
be
damaged
.

2
.
Unbolt
flex-dísc
from
driveshaft
.

DRIVESHAFT
260-
5

7
.
Install
exhaust
system
.
See
180
Exhaust
System
.

Connect
wiring
harness
to
oxygen
sensors
.



NOTE-

Removaland
installation
of
the
boltsmaybe
made
eas-
8
.
Road
test
vehicle
to
check
for
noiseor
vibration
.



ier
by
placing
a
large
hose
clamp
around
the
flex-disc,
and
tightening
the
clamp
slightlyto
compress
the
cou

WARNING
-



pling
.

"
Do
not
reuse
self-locking
nuts
.
These
nuts
aredesigned
to
beused
only
once
.



3
.
Insta¡¡
new
flex-disc
using
new
self-locking
nuts
.
Mold-

"
Avóid
stressing
the
flex-disc
when
torquing
the



ed
arrows
on
coupling
should
face
flange
arms
.
See

bolts
Do
this



holding
the
bolts



Fig
.
7
.
steady
and
.



uy
turning
the
nuts
on
theflange
side
.

5
:132

Fig
.
7
.



When
attaching
flex-disc,
molded
arrows
must
point
toward

flange
arms
.

DRIVESHAFT
SERVICE

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

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
.

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