180-2
EXHAUST
SYSTEM
a
EXHAUST
SYSTEM
REPLACEMENT
Fig
.
2
.
Exhaust
systemon
1992-1995
6-cylinder
engines
.
3251
(M50)
exhaust
system
shown
.
E~
)l-,malo
m~=
i
32592-95
1
.
Front
pipe
with
catalytic
convertor
6
.
Bracket
11
.
Bracket/clamp
(2)
16
.
Rear
pipewith
muffler
2
.
Gasket
(2)
7
.
Bracket
(2)
12
.
Rubber
mounting
ring
(2)
17
.
Rubber
mount
3
.
Exhaust
manifold
8
.
Bracket
13
.
Flange
18
.
Support4
.
Exhaust
manifold
9
.
Bracket
14
.
Gasket
(48mm)
19
.
Bracket
5
.
Manifold
gasket
10
.
Oxygen
sensor
15
.
Gasket
(48mm)
eme°"
k
:I>
-
8a
1
.
Exhaust
manifold
7
.
Front
pipe
with
catalytic
con-
9
.
Bolt
(M8X90)
14
.
Brackets
(rear
muffier)
2
.
Nut
(M10)
vertor
10
.
Compression
spring
15
.
Rear
muffler
and
pipe
3
.
Gasket
(clty
.
2)
8
.
Oxygen
sensor
(regulating)
11
.
Self-lockingnut
(M8
16
.
Bracket
(transmission)
4
.
Gasket
-tightento
55
Nm
(41
ft-Ib)
-always
replace
17
.
Brackets
(transmission)
5
.
Nut
8a
.
Oxygen
sensor
(monitoring)
12
.
Bracket
(rear
pipe)
6
.
Bolt
(M8X55)
-tightento
55
Nm
(41
ft-Ib)
13
.
Rubber
mounting
ring
(9ty
2)
Fig
.
3
.
Exhaust
systemon
1996-1998
4-cylinder
(M44)
engine
.1992-1995
4-cylinder
engine
exhaust
system
is
similar
.
210-2
CLUTCH
Clutch
hydraulic
system,
bleeding
and
flushing
If
the
clutch/brake
fluid
is
murky
or
muddy,
or
has
not
been
changed
within
the
last
two
years,
the
system
should
be
flushed
.
Flushing
the
old
fluid
from
the
clutch
lines
is
done
us-
ing
a
brake
system
pressure
bleeder
.
1
.
Remove
brake
fluíd
reservoir
cap
.
Usinga
clean
sy-
ringe,
remove
brake
fluid
from
reservoir
.
Refill
reservoir
with
clean
fluid
.
2
.
Attach
pressure
brake
bleeder
to
fluid
reservoír
.
CA
UTION-
Do
not
exceed
2
bar
(29
psi)
pressure
at
the
fluid
reservoir
when
bleeding
or
flushing
the
hydraulic
system
.
3
.
Connect
a
length
of
hose
from
clutch
slave
cylinder
bleeder
valve
lo
a
container
.
See
Fig
.
2
.
0012003
Fig
.
2
.
Clutch
slave
cylinder
bleeder
valve
on
left
side
of
transmission
(arrow)
.
4
.
Open
bleeder
valve
and
allow
brake
fluid
to
expel
until
clean
fluid
comes
out
free
of
air
bubbles
.
5
.
Close
bleeder
valve
and
disconnect
pressure
bleeding
equipment
from
fluid
reservoir
.
Hose
on
bleeder
valve
remainsconnected
.
6
.
Slowly
operate
clutch
pedal
about10
times
.
Fill
reser-
voir
with
clean
fluid
asnecessary
.
7
.
Unbolt
slavecylinder
from
transmission
.
8
.
Position
slave
cylinder
so
that
bleeder
valve
is
facing
up
(highest
point)
.
CLUTCH
HYDRAULICS
9
.
Open
bleeder
valve
and
slowly
push
slave
cylinder
pushrod
al¡
the
way
in
.
Close
bleeder
valve
and
slowly
release
pushrod
.
Repeat
procedure
until
fluid
runs
out
clear
and
without
bubbles
.
10
.
Disconnect
bleeder
hose
.
Instan
slavecylinder
lo
trans-
mission
.
Add
cleanbrake
fluid
to
reservoir
as
neces-
sary
.
Check
clutch
operation
.
Tightening
Torques
"
Clutch
slave
cylinder
to
transmission
................
..
22
Nm
(17
ft
lb)
Clutch
master
cylinder,
replacing
The
clutch
master
cylinder
is
mounted
to
the
pedal
assem-
bly,
directly
above
the
clutch
pedal
.
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION-
Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautionsgiven
at
the
front
of
this
manual
on
page
viii
.
2
.
Remove
brake
fluid
reservoir
cap
.
Usinga
clean
sy-
ringe,
remove
brake
fluid
from
reservoir
.
CA
UTION-
Brake
fluid
is
poisonous,
highly
corrosive
and
dan-gerous
to
the
environment
.
Wear
safety
glasses
and
rubbergloves
when
working
with
brake
fluid
.
Do
notsiphonbrake
fluid
with
your
mouth
.
Imme-
diately
clean
away
any
fluid
spilled
on
painted
sur-
faces
and
wash
with
water,
asbrake
fluid
will
remove
point
.
3
.
Disconnect
fluid
supply
hose
from
master
cylinder
.
Placea
pan
under
hose
to
catch
any
excess
fluid
.
4
.
Working
in
engine
compartment,
disconnect
fluid
line
fitting
frommaster
cylinder
.
5
.
Working
in
passenger
compartment,
remove
lower
in-
strument
panel
trim
above
pedal
cluster
.
6
.
Disconnect
clutch
pedal
from
clutch
master
cylinder
push
rod
by
removing
clevis
pin
locking
clip
and
slide
out
clevis
pin
.
7
.
Remove
master
cylinder
mounting
bolts
.
See
Fig
.
3
.
8
.
Installation
is
reverse
of
removal
.
Fill
fluid
reservoir
with
clean
fluid
.
Bleed
clutch
hydraulics
as
described
earlier
.
Connect
negative
cable
to
battery
last
.
210-
4
CLUTCH
Clutch,
removing
1
.
Remove
transmission
fromengine
.
See230
Manual
Transmission
.
2
.
Remove
release
bearing
from
transmission
inputshaft
.
3
.
Remove
clutch
release
lever
by
sliding
it
out
from
under
spring
clip
.
See
Fig
.
5
.
Fig
.
5
.
Remove
clutch
release
lever
by
pulling
away
from
spring
clip
in
direction
of
arrow
.
4
.
Lock
flywheel
in
posítion
using
a
suitable
locking
tool
(BMW
Special
tool
no
.
11
2
170,or
equivalent)
.
See
Fig
.
6
.
Fig
.
6
.
Flywheel
locking
tool
(arrow)
installed
to
rear
of
cylinder
block
.
CLUTCH
MECHANICAL
0011581
0012008
5
.
Install
a
clutch
centering
tool
through
clutch
assembly
to
prevent
clutch
disc
from
falling
out
when
removing
pressure
plate
.
See
Fig
.
7
.
Fig
.
7
.
Clutch
centering
tool
(arrow)
shown
installed
through
clutch
disc
and
flywheel
.
6
.
Remove
six
bolts
from
perimeter
of
pressure
plate
.
Re-
move
pressure
plate
and
clutch
disc
.
See
Fig
.
8
.
Fig
.
8
.
Clutch
pressure
plate
mounting
bolts
(arrows)
.
0012009
6529
Clutch,
inspecting
and
installing
1
.
Inspect
clutch
disc
for
wear,
cracks,
loose
rivets,
con-
tamination
or
excessive
runout
(warping)
.
Replace
if
necessary
.
2
.
Inspect
flywheel
for
scoring,
hot
spots,
cracks
or
loose
or
worn
guide
pins
.
Replace
flywheel
if
any
faults
are
found
.
WARNING
-
If
flywheel
is
removed
from
vehicle,
use
new
bolts
duríng
installation
.
The
old
stretch-typebolts
should
not
be
reused
.
3
.
Inspecttransmission
pilot
bearing
in
end
of
crankshaft
.
The
bearing
should
rotate
smoothly
without
play
.
If
nec-
essary,
replace
as
described
later
.
4
.
Inspect
and
clean
releasebearing
lever
.
Apply
a
thin
coat
of
grease
to
releasebearíng
lever
contact
points
.
See
Fig
.
9
.
Also,
lightly
lubricate
clutch
disc
splines
and
transmission
inputshaft
splínes
.
5
.
Install
pressure
plate
and
clutch
disc
.
Do
not
fully
tight-
en
bolts
.
6
.
Center
clutch
disc
on
flywheel
using
centering
tool
(BMW
special
tool
no
.
21
2
130
or
equivalent)
.
Refer
to
Fig
.
7
.
NOTE-
Be
sure
clutchdísc
is
facing
the
correct
way
.
The
new
disc
should
bemarked
engine
sfde
or
transmission
side
.
See
Fig
.
10
.
7
.
Tighten
each
bolt
one
turn
at
a
time
until
pressure
plate
is
fully
seated,
and
then
torque
to
specification
.
8
.
Remove
clutch
disc
centering
tool
.
Remove
flywheel
locking
tool
.
Fig
.
9
.
Clutch
release
lever
lubrication
points
(arrows)
.
CLUTCH
210-
5
Clutch
Clutch
pressure
disc
plate
0012026
Fig
.
10
.
Clutch
assembly
Note
clutch
disc
hub
position
during
instal-
lation
.
CLUTCH
MECHANICAL
Selector
shaft
seal,
replacing
(transmission
instalied)
1
.
Raise
and
safely
support
vehicle
to
access
drain
plug
.
2
.
Support
transmission
with
transmission
jack
.
3
.
Remove
driveshaft
.
See
260
Driveshaft
.
4
.
Remove
transmission
crossmember
and
tilt
down
rear
of
transmission
.
CA
UTION--
Tilting
the
engine
to
lower
the
transmission
can
lead
to
damage
to
various
cgmponents
due
to
lack
of
clearance
.
-On
cars
with
AST
(traction
control)
remove
throt-
tle
body
before
tiltlng
engine
.
-Remove
brake
fluid
reservoir
lf
necessary
.
Locking
pin
á
Locking
clip
8
.
Reinstall
shift
linkage
to
selectorshaft
.
7
.
Coat
new
seal
with
transmission
fluid
.
Drive
new
seal
in
flush
with
housing
.
Use
BMW
special
seal
installation
tool
no
.
23
2
260
orequivalent
and
a
soft-faced
(plastic)
hammer
.
See
Fig
.
4
.
9
.
Fiaise
transmission
and
reinstall
crossmember
.
MANUAL
TRANSMISSION
230-
3
Seal
Selector
_
shaft
5
.
Working
at
rear
of
selector
shaft,
disconnect
shift
link-
Fig
.
3
.
Selector
shaft
oil
sea¡
being
pried
out
with
screwdriver
.
age
from
selectorshaft
.
See
Fig
.
2
.
Fig
.
4
.
Selector
shaftseal
being
installed
.
6542
0012020
Fig
.
2
.
Disconnect
shift
linkage
from
transmission
selector
shaft
by
prying
back
locking
clip
and
pushing
locking
pin
out
.
10
.
Install
driveshaft
using
new
nuts
.
See260
Driveshaft
.
6
.
Carefully
pry
sea¡
out
with
a
narrow
seal
remover
or
11
.
Check
transmission
oil
level,
topping
upas
necessary
.
small
screwdriver
.
See
Fig
.
3
.
Tightening
Torques
"
Driveshaftto
flex
disc/
final
drive
flange
..............
See
260
Driveshaft
"
Transmission
crossmember
to
chassis
M8
........
..
.
...
........
22-24
Nm
(16-17
ft-1b)
M10
........
.
.
...
...
.
.........
42
Nm
(31
ft-Ib)
TRANSMISSIONSERVICE
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
250-2
GEARSHIFT
LINKAGE
5
.
Remove
driveshaft
.
See260
Driveshaft
.
9
.
Release
gearshift
lever
retaining
ring
from
below
by
turningspecial
tool
90°(
1
/4
turn)
counterclockwise
.
See
6
.
Support
transmission
with
transmission
jack
.
Remove
Fig
.
4
.
crossmember
from
rear
of
transmission
.
See
Fig
.
2
.
Fig
.
2
.
Rear
transmission
crossmember
(arrow)
.
7
.
Lower
rear
of
transmission
to
access
gearshift
linkage
.
CAUTION-
Tilting
the
engine
to
lower
thetransmission
can
lead
to
damage
to
various
componente
due
to
lackof
clearance
.
-On
cars
with
AST
remove
throttle
body
.
-Remove
brake
fluid
reservoir
if
necessary
.
0013135
8
.
Working
below
transmission,
disconnect
shift
rod
from
gearshift
lever
.
Note
washers
on
either
side
of
shift
rod
end
.
See
Fig
.
3
.
v
clip
Shift
rod
Fig
.
3
.
Pull
off
shift
rod
retaining
clip
in
direction
of
arrow
(t)
;
disen-
gage
shift
rod
from
gearshift
lever
(2)
.
MANUAL
TRANSMISSION
GEARSHIFT
BMW
Tool
No
.
25
1
110
orequivalent
Fig
.
4
.
Shift
lever
retaining
ring
being
removed
using
BMW
special
tool
25
1
110
.
10
.
Raise
transmission
and
temporarily
instan
transmission
crossmember
.
11
.
Lower
vehicle
.
Working
from
inside
passengercom-
partment,
pull
upon
gearshift
lever
to
remove
it
togeth-
erwith
retaining
ring
and
rubber
grommet
.
Gearshift
lever,
installing
(manual
transmission)
6532
1
.
Instan
shift
lever,
aligninglocking
tabs
with
openings
in
shift
console
.
Press
down
on
retaining
ring
until
it
clicks
into
place
.
See
Fig
.
5
.
\
Retaining
Fig
.
5
.
Shift
lever
retaining
ring
.
Fit
plastic
tabs
into
slots
of
shift
con-
sole(arrows)
.
260-
4
DRIVESHAFT
CAUTION
-
The
maximum
allowable
change
in
height
of
the
center
bearing
or
transmission
support
using
shims
is
3
mm
(0
.12
in
.)
.
Driveshaft,
removing
WARNING
-
"
Be
sure
the
wheels
are
off
the
ground
before
re-
moving
the
driveshaft
.
Set
the
parking
brake
be-
fore
removing
the
driveshaft
.
"
Once
the
driveshaft
has
been
removed,
the
vehi-
cle
can
roll
regardless
of
whether
the
transmis-
sion
isin
gear
or
not
.
"
The
driveshaft
fs
mounted
to
thetransmission
and
final
drive
with
self-locking
nuts
.
These
nuts
are
designed
to
be
used
only
once
and
should
be
replaced
during
reassembly
.
1.
Disconnect
oxygen
sensor
electrical
connectors
and
remove
complete
exhaustsystem
.
See
180
Exhaust
System
.
4
.
Remove
driveshaft
mounting
bolts
.
See
Fig
.
3
.
Discard
old
nuts
.
JG
Fig
.
3
.
Front
driveshaft
totransmission
mounting
bolt
being
re-
moved
.
Note
open-end
wrench
(arrow)
being
used
to
coun-
terhold
bolt
.
5
.
Loosen
threaded
clamping
sleeve
on
driveshaft
a
few
tucos
.
See
Fig
.
4
.
DRIVESHAFT
SERVICE
Fig
.
4
.
Threaded
clamping
sleeve
nut
being
loosened
.
0012037
6
.
Support
driveshaft
andremove
center
support
bearing
mounting
bolts
.
7
.
Remove
driveshaft
but
do
not
separate
two
halves
.
Pull
down
on
center
of
driveshaft
to
facilitate
removal
.
2
.
Remove
exhaust
heat
shield
and
heat
shieldcross-
member
.
NOTE-
If
driveshaft
halves
were
separate
and
not
match-
3
.
Matchmark
front
and
rear
driveshaft
connections
at
marked,
assemble
driveshaft
as
shown
in
drawing
.
If
a
transmissíon
and
final
drive
.
vibration
occurs,
disassemble
driveshaftand
rotate
one
section
180°
.
See
Fig
.
5
.
Driveshaft,
installing
Fig
.
5
.
Driveshaft
alignment
.
Centerlinesof
universal
joints
(arrows)
must
be
parallel
or
at
90°
to
each
other
1
.
Align
driveshaft
matchmarks
at
final
drive
and
then
at
transmission
flange
.
Start
attaching
nuts
.
Use
new
self-
locking
nuts
.
2
.
Position
center
support
bearing
and
start
attaching
nuts
.
Use
new
self-locking
nuts
.
3
.
Tighten
flangenuts
while
preventing
bolts
from
twisting
in
coupling
.
Tighten
final
drive
flange
first,
then
tighten
coupling
at
transmission
.
4
.
Preload
center
support
bearing
by
pushing
bearing
for-
ward4-6
mm
(0
.16-0
.24
in
.)
from
center
.
See
Fig
.
6
.
Tighten
attaching
bolts
.