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
11
.
Raise
transmission
and
reinstall
transmission
cross-
member
.
12
.
Install
driveshaft
using
new
nuts
.
See
260
Driveshaft
.
13
.
Check
transmission
oil
leve¡,
topping
up
asnecessary
.
Tightening
Torques
"
Transmission
crossmember
to
chassis
M8
...............
.
...
.
..
22-24
Nm
(16-17
ft-Ib)
M10
..............
.
..
...
..
.
...
42
Nm
(31
ft-Ib)
"
Transmission
outputflange
to
output
shaft
O
001202
2
Z
:Z
ZZZ~
%
_
j
Stage
I.................
..
.
..
190
Nm
(140
ft-Ib)
Stage
II
(after
loosening)
....
.
.
.
..
120
Nm
(89
ft-Ib)
Fi
g
.
9
.
Indent
at
oil
seal
housing
(1)
.
Punch
holes
in
seal
housing
at
Inputshaft
sea¡,
replacing
(transmission
removed)
Replacement
of
the
inputshaft
sea¡
requires
the
removal
of
thetransmission
from
the
vehicle
as
described
later
in
this
re-
pair
group
.
5
.
Lubricate
new
sea¡with
transmission
oil
and
drive
into
1
.
Remove
clutch
release
bearing
and
release
lever
from
placeusing
BMW
Special
Tool
no
.
23
2
430
or
equiva-
inside
bellhousing
.
lent
.
2
.
Remove
bolts
for
clutch
release-bearing
guide
sleeve,
6
.
Thoroughly
cleanguide
sleeve
mounting
bolts,
sealin
noting
bolt
lengths
.
Remove
sleeve
and
any
spacers
surfaces,
and
threads
in
case
.
Apply
sealer
(Loctite
(shims)
under
¡t
.
See
Fig
.
8
.
242
or
equivalent)
to
guide
sleeve
sealingsurface
and
bolts
.
Reinstall
guide
sleeve
and
spacer(s)
.
0011640
Fig
.
8
.
Clutch
release
bearing
guide
sleeve
bolts
.
(Getrag
transmis-
sion
shown)
.
3
.
With
transmission
on
aworkbench,
remove
input
shaft
sea¡
cover
from
inside
bel¡-housing
.
4
.
Locate
two
indents
in
seal
housing
.
Use
a
punch
or
scribe
to
punch
holes
in
housing
at
indents
.
Thread
two
sheetmetal
screws
into
holes
and
pulí
seal
out
using
screws
.
See
Fig
.
9
.
MANUAL
TRANSMISSION
230-
5
indents
anduse
sheetmetal
screw
(2)
to
pul¡
sea¡
from
trans-
mission
.
NOTE-
Use
care
not
to
scratch
or
damage
input
shaft
.
Use
a
protective
sleeve
or
tape
the
shaft
when
removing
and
installing
the
sea¡
.
Tightening
Torque
"
Guide
sleeveto
transmission
M6xl2
bolt
.......
...
.
.
.........
10
Nm
(89
in-lb)
TRANSMISSION
REMOVAL
AND
INSTALLATION
Removal
and
installation
of
the
transmission
is
best
accom-
plished
ona
lift
using
a
transmission
jack
.
The
engine
must
be
supported
from
above
using
appropriate
support
equipment
.
Thisallows
the
engine
to
pivot
on
its
mounts
to
access
theup-
perTorx-head
bolts
at
the
bellhousing
.
WARNING
-
"
Make
sure
thecar
is
stable
and
well
supported
at
all
times
.
Use
a
professional
automotive
lift
or
jack
stands
designed
for
the
purpose
.
A
floor
jack
is
not
adequate
support
.
"
The
removal
of
the
transmission
may
upset
the
balance
of
the
vehicle
ona
líft
.
TRANSMISSION
REMOVAL
AND
INSTALLATION
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
240-2
AUTOMATIC
TRANSMISSION
WARNING
-
If
the
appropriate
temperature
measuring
equip-
ment
is
not
available,
ATF
leve¡
checking
shouldbe
left
to
an
authorized
BMW
dealer
The
checking
pro-
cedure
should
be
done
on
a
lift
with
the
engine
run-
ning
in
neutral
.
In
addition,
the
transmission
fluid
temperature
must
be
maintained
within
a
narrow
range
duringthe
checking
procedure
.
1
.
Place
vehicle
on
a
lift
.
WARNING
-
To
lift
the
vehicle
safely,
see
010
Fundamentals
for
the
Do-it-Yourself
Owner
.
2
.
Warm
up
drivetrain
by
running
engine
until
ATF
reach-
es
specified
temperature
.
Apply
brake
and,
while
idling
engine,
shift
through
all
gears
severa¡
times
.
Turn
en-
gine
off
.
ATF
Level
Checking
"
Fluid
temperature
..
...........
30-55°C
(86-131°F)
3
.
Remove
ATF
fill
plug
.
Place
transmission
in
neutral
and
ATF,draining
and
filling
restart
engine
.
See
Fig
.
1
or
Fig
.
2
.
Fig
.
1
.
ATF
fill
plug
(A)
on
MS
270R/A4S310R
transmissions
.
4
.
With
ATF
at
specified
temperature,
add
(luid
until
it
spilis
from
fill
hole
.
WARNING
-
HotATFcan
scald
.
Weareye
protection
and
protec-
tive
clothing
and
gloves
duringthe
check
.
If
thetransmission
was
overfilled,
hot
ATF
will
spill
from
the
filler
hole
when
the
fill
plug
is
removed
.
5
.
Reinstall
fill
plug
using
new
sealing
ring
.
TRANSMISSION
SERVICE
011743
0011742
Fig
.
2
.
ATF
drain
plug
(A)
and
fill
plug
(B)
on
A5S
310Z
transmission
.
Tightening
Torques
"
ATF
fill
plug
to
ATF
sump
MS
270R/A4S
31
OR
.............
33
Nm
(24
ft-Ib)
MS
310Z
(M30
plug)
............
100
Nm
(74
ft-Ib)
The
procedure
given
here
includes
removal
and
installation
of
the
ATF
(luid
strainer
(filter)
.
1
.
Remove
drain
plug
and
drain
fluidinto
container
.
See
Fig
.
3
or
Fig
.
2
given
earlier
.
0~
0
/\1--Z
.IZ
~
~
A
~
"o
15/
Fig
.
3
.
ATF
drain
plug
(A)
on
A4S
270R/A4S
310R
.
WARNING
-
The
ATF
must
not
be
hot
when
draining
.
Do
not
drain
the
ATF
if
the
engineandlor
transmission
Is
hot
.
Hot
ATF
can
scald
.
Wear
eye
protection,
pro-
tective
clothing
and
gloves
.
0011595
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-
6
AUTOMATIC
TRANSMISSION
14
.
Remove
transmission
by
pulling
back
and
down
.
Lower
jack
to
allow
transmission
to
clear
vehicle
.
Tightening
Torques
"
ATF
drain
plug
to
ATF
sump
CA
UTION-
MS
270R/A4S
310R
....
..
....
.
..
25
Nm
(18
ft-Ib)
Do
not
allow
the
torque
converter
to
fati
off
the
ASS
310Z(M10
plug)
..
..
..
.
.
..
.
..
16
Nm
(12
ft-Ib)
transmission
inputshaft
.
"
ATF
fill
plug
to
ATF
sump
MS
270R/A4S
310R
..
..
....
..
..
.
33
Nm
(24
ft-Ib)
15
.
Installation
is
reverse
of
removal,
noting
the
following
:
MS
310Z(M30
plug)
......
.
.
..
.
.
100
Nm
(74
ft-Ib)
"Blowoutofcoolerlineswithlow-pressurecompressed
"
ATF
cooler
lines
(A4S
270R/A4S
310R)
air
and
flush
coolerwith
clean
ATF
twice
before
reat-
Coupling
nuts
............
.
.
..
..
.
20
Nm
(15
ft-Ib)
taching
lines
to
transmission
.
Hollow
bolts
.........
.
.....
..
..
.
37
Nm
(28
ft-Ib)
"
Reinforcing
cross
brace
CAUTION-
to
chassis
(M10)
.............
.
..
.
42
Nm
(31
ft-Ib)
"
Wear
safety
glasses
when
working
with
com-
"
Torque
converter
pressedair
.
to
driveplate
(M10)
.........
..
.
..
45
Nm
(33
ft-Ib)
"
Transmissionsupport
crossmember
to
chassis
"
Do
not
reuse
ATF
after
flushing
.
M8
......................
22-24
Nm
(16-17
ft-1b)
M10
................
.
....
..
.
..
42
Nm
(31
ft-Ib)
"
Install
new
sealing
washers
on
hollow
bolts
.
"
Transmissíon
to
engine
(Torx-head
with
washer)
"
Insta¡¡
new
O-rings
on
transmission
cooler
lines,
where
M8
......................
..
.
..
21
Nm
(15
ft-Ib)
applicable
.
M10
.....................
..
..
.
42
Nm
(31
ft-Ib)
"
Inspect
driveplate
for
cracks
or
elongatedholes
.
Re-
M12
................
.
....
..
.
..
72
Nm
(53ft-Ib)
place
if
necessary
.
"
Check
to
be
sure
torque
converter
is
seated
correctly
in
transmission
during
final
installation
.
"
When
mounting
transmission
to
engine,
the
three
mounting
tabs
on
torque
converter
must
be
aligned
with
indentations
on
driveplate
.
Use
an
alignment
dowel
to
line
up
bolt
holes,
if
necessary
.
"
Fill
transmission
with
clean
ATF
until
oil
leve¡
is
even
with
fill
hole
.
Then
check
fluid
leve¡
as
described
ear-
lier
.
"
Adjust
gearshift
mechanism
.
See
250
Gearshift
link-
age
.
NOTE-
Torx-head
mounting
bolts
shouldalwaysbe
used
with
washers
to
prevent
difficult
removal
.
TRANSMISSION
REMOVAL
AND
INSTALLATION
2
.
Install
rubber
grommet
with
arrow
pointing
forward
.
In-
AUTOMATic
TRANSMISSION
stall
shift
rod
and
shift
boot
.
GEARSHIFT
NOTE-
Install
rubbergrommet
correctly
so
that
is
seals
outwa-
ter
.
4
.
Install
driveshaft
and
heat
shield
.
See
260
Driveshaft
.
Manual
valveleven
(at
transmission)
Fig
.
6
.
Automatic
transmission
gearshift
assembfy
.
Shift
cable
GEARSHIFT
LINKAGE
250-
3
The
automatic
transmission
shift
mechanism
is
shown
in
Fig
.
6
.
Use
the
illustration
as
a
guide
when
servícing
the
gear-
shift
mechanism,
including
shift
cable
replacement
.
3
.
Connect
shift
rod
to
shift
lever
.
Install
transmission
crossmember
.
Lift
transmission
and
tighten
crossmem-
Gearshift
mechanism,
adjusting
ber
bolts
.
(automatictransmission)
NOTE-
1
.
Position
selector
lever
in
Park
.
Beforeconnecting
the
shift
rod
to
the
lever,
be
sure
the
2
.
Raise
vehicle
to
gain
access
to
shift
linkage
.
gearshift
leven
is
facing
the
correct
way
as
illustrated
in
Fig
.
1
.
WARNING
-
Make
sure
thecan
is
stable
and
well
supported
at
all
times
.
Use
a
professional
automotive
lift
or
jack
stands
designed
for
the
purpose
.
5
.
Reinstall
exhaust
system
.
See
180
Exhaust
System
.
Connect
oxygen
sensor
harness
connectors
.
3
.
Loosen
selector
cable
clamping
nut
.
See
Fig
.
7
.
6
.
Lower
vehicle
.
Insta¡¡
shift
boot
cover
.
Push
shift
knob
4
.
Push
shift
lever
forwardtoward
engine(Park
position)
onto
lever
.
while
applying
light
pressure
on
cable
end
.
Tighten
ca-
ble
clamping
nut
.
Tightening
Torques
NOTE-
"
Driveshaft
to
final
drive
Do
not
overtighten
the
nut
so
that
it
twists
the
cable
.
flange
(with
U-joint)
.
..
.
.....
.
.
See
250
Driveshaft
"
Flex-disc
to
driveshaft
or
transmission
flange
...
.
.......
See
250
Driveshaft
Tightening
Torque
"
Transmission
crossmember
"
Shift
cable
clamping
nut
.......
10-12
Nm
(75-9
ft-Ib)
to
body
(M8)
.
.
.
...
..............
21
Nm
(16
ft-Ib)
/S
r\
1
1
Gear
position/
neutral
safetyswitch
Automatic
shilo
solenoid
id
AUTOMATIC
TRANSMISSION
GEARSHIFT
250-
4
GEARSHIFT
LINKAGE
r%
;
5
(((((C
"
~
;
Fig
.
7
.
Selector
lever
cable
clamping
nut
(A)
.
Counterhold
clamping
bolt
when
loosening
nut
.
Gear
position/neutral
safety
switch,
replacing
(automatic
transmission)
NOTE-
The
gear-positionlneutral
safetyswitch
is
also
some-
times
referred
to
as
the
automatic
transmission
range
switch
.
Failure
of
the
gear
positionlneutral
safetyswitch
can
cause
a
no-start
condition
.
In
acidition,
since
it
signals
gearshift
posi-
tion
tothe
transmission
control
unit,
a
faulty
switch
can
cause
erratic
transmission
operation
.
1
.
Remove
hex-head
screw
(3mm
allen
key)
from
shift
le-
ver
handle
and
remove
handle
.
Carefully
pry
up
cover
from
gearshift
lever
console
.
2
.
Disconnect
harness
connector
from
gear
positionlneu-
tral
safety
switch
andremove
mounting
screws
.
See
Fig
.
8
.
3
.
Remove
gear
positionlneutral
safety
switch
by
moving
selector
until
pin
on
lever
aligns
with
slot
on
switch
.
Pull
switch
straight
up
and
off
.
See
Fig
.
9
.
4
.
Installation
is
reverse
of
removal,
noting
the
following
:
"
Before
installing
switch,
align
plastic
contact
slide
in-
sideswitch
with
slot
in
switch
.
See
Fig
.
10
.
"
Instan
switch
so
that
contact
slide
on
switch
aligns
with
slot
on
switch
.
Then
position
gearshift
lever
pin
to
slot
on
switch
and
install
switch
.
"
When
installing
shift
lever
handle,
engage
pín
on
re
leasebutton
to
hole
in
pulí
rod
.
See
Fig
.
11
.
Fig
.
9
.
Contact
slide
in
switch
aligns
toslot
on
switch
and
pin
on
le-
ver
.
Tightening
Torques
"
Console
to
body
..............
...
.
7
Nm
(62
in-lb)
"
Gear
positionlneutral
safety
switch
to
shift
console
.................
.
4
.5
Nm
(40
in-lb)
AUTOMATIC
TRANSMISSION
GEARSHIFT
Fig
.
8
.
Disconnect
harness
connector
to
gear
position/neutral
safety
switch
by
pressing
connector
retaining
clips
together
(ar-
rows)
.
Switch
mountingscrews
shown
at
1
.