230
Manual
Transmission
MANUAL
TRANSMISSION
230-1
GENERAL
...
.
............
.
.......
.
.
.
.
230-1
Output
shaft
sea¡,
replacing
(transmission
installed)
....
.
.....
.
.....
.230-4
TRANSMISSION
FLUID
SERVICE
.
.
.
.
.
.
.230-1
Inputshaft
sea¡,
replacing
Transmission
fluid
leve¡,
checking
...
.
...
.
.
230-2
(transmission
removed)
.
.
.
.
...
.
.
.
.....
.
230-5
Transmission
fluid,
replacing
.........
.
.
.
.
230-2
TRANSMISSION
REMOVAL
AND
TRANSMISSION
SERVICE
.
.
.....
.
.
.
.
.
.
230-2
INSTALLATION
.
.
.
.
.
.
.....
.
.
.
.
.
.
.
.....
.
230-5
Back-up
light
switch,
replacing
.
.
.
...
.
.
.
.
.
.
230-2
Transmission,
removing
and
installing
...
.
.
.
.
230-6
_
Selector
shaft
sea¡,
replacing
(transmission
installed)
.
.
.
.
.
.
.
.
.
.
.
...
.
.
230-3
TAB
a
.
Manual
Transmission
Gear
Ratios
.
.
.
.........
.230-1
GENERAL
TRANSMISSION
FLUID
SERVICE
This
repair
group
covers
external
transmission
service,
in-
The
manual
transmissions
installed
in
the
E36
models
are
cluding
removal
and
installation
of
thetransmission
unit
.
Inter-
normally
filled
with
automatic
transmission
fluid
(ATF),
al-
nal
transmission
repair
is
not
covered
.
Special
press
tools
and
though
alternative
lubricants
may
have
beenused
from
the
procedures
are
required
to
disassemble
and
service
the
inter-
factory,
depending
on
transmission
type
and
model
year
.
For
nal
geartrain
.
example,
transmissions
fitted
to
the
M3
models
are
normally
filled
with
a
"lifetime"
manual
transmission
fluid
(BMW
MTF
Manual
transmissions
used
are
based
on
engine
applica-
LT-1)
and
do
not
require
periodic
fluid
changes
.
tion
.
Consult
200
Transmission-General
for
transmission
application
information
.
Table
a
lists
gear
ratio
specifications
.
NOTE-
The
transmission
lubricant
type
can
be
found
ona
label
NOTE-
on
the
sideof
the
transmission
.
Consult
an
authorized
Do
not
rely
on
forged
casting
numbers
for
transmission
BMW
dealer
for
altemate
fluid
use
and
the
most-up-to-
code
identification
.
date
information
regarding
transmission
operating
fluids
.
Tablea
.
Manual
Transmission
Gear
Ratios
Transmission
1
Getrag
S5D
200
G
1
Getrag
SSD
250
G
1
ZF
S5D
310
Z
1
ZF
S5D
320
Z
Gear
Ratios
:
1st
4
.23
4
.23
4
.20
4
.20
2nd
2
.52
2
.52
2
.49
2
.49
3rd
1
.66
1
.66
1
.66
1
.664th
1
.22
1
.22
1
.24
1
.24
5th
1
.00
1
.00
1
.00
1
.00
reverse
4
.04
4
.04
3
.89
3
.89
TRANSMISSION
FLUID
SERVICE
AUTOMATIC
TRANSMISSION
240-1
240
Automatic
Transmission
GENERAL
.....
.
.
.
.
.
.
.
.
.
.
.
.
.
.........
.
240-1
TRANSMISSION
REMOVAL
AND
INSTALLATION
..................
.
.
.
.
.240-4
TRANSMISSION
SERVICE
.
.
.
.
.
.......
.
240-1
Transmission,
removing
and
installing
....
.
.
.240-4
ATF
leve¡,
checking
..
.
.
.
.
.
.
.
.
.
..........
240-1
ATF,
draining
and
filling
.
.
.
.
.
.
.
..........
240-2
TABLE
a
.
Automatic
Transmission
Gear
Ratios
.......
..
.
.
240-1
GENERAL
TRANSMISSION
SERVICE
lo
Automatic
transmissions
are
identified
by
code
letters
ATF
leve¡,
checking
foundon
a
data
plate
located
on
the
sideof
thetransmission
case,
behind
the
manual
valve
lever
.
See
200Transmis-
The
automatic
transmissions
installed
in
the
E36
models
sion-General
for
application
information
.
Forgear
ratio
spec-
are
normally
filled
with
Dexron
III
automatic
transmission
fluid
ifications,
see
Table
a
.
(ATF),
although
alternative
fluids
have
been
installed
from
the
factory,
depending
on
transmission
type
and
model
year
.
CAUTION-
Some
transmíssions
are
filled
with
a
special
BMW
"lifetime"
ATF
does
not
circulate
unless
the
engine
is
run-
automatic
transmission
fluid,
which
does
not
require
periodic
ning
.
When
towing
an
automafic
transmission
ve-
fluid
changes
.
hicle,
usea
flat-bed
truck
or
ralse
the
rear
wheels
off
the
ground
.
CAUTION-
Mixing
different
types
of
transmission
fluids
will
The
electronic
transmission
control
module
(TCM)
monitors
lead
to
transmission
failure
.
transmissionoperation
for
faults
and
alerts
the
driver
by
illumi-
nating
the
transmission
fault
indicator
on
the
instrument
pan-
el
.
On-board
diagnostic
codes
stored
in
the
TCM
mustbe
NOTE-
downloaded
and
interpreted
by
trained
technicians
using
spe-
The
transmission
lubricant
instafed
can
be
foundona
cial
BMW
diagnostic
equipment
.
type
plate
on
the
side
of
the
transmission
.
In
addition,
a
sticker
may
be
located
on
the
fluid
sump
indicatingthe
typeof
transmission
lubricant
used
.
Ifin
doubt,
con
NOTE-
sult
an
authorized
BMW
dealer
for
altemate
fluid
use
Internal
repairs
to
the
automatic
transmission
require
and
current
information
regardingtransmission
operat-
special
service
equipment
and
knowledge
.
If
it
is
deter-
ing
fluids
.
mined
thatinterna¡
service
is
required,
consult
en
au-
thorízedBMWdealerabouta
factoryreconditioned
unit
The
transmission
is
not
equipped
with
a
dipstick
.
Checking
or
a
transmission
rebuild
.
the
ATF
leve¡
requires
measuring
and
maintaining
a
specified
ATF
temperature
during
the
checking
procedure
.
The
check-
ing
temperature
is
not
fully
warm
orcold
(the
ATF
sump
should
be
approximately
warm
to
the
touch)
.
Table
a
.
Automatic
Transmission
Gear
Ratios
Transmission
MS
310R
(THM-R1)
MS
310R
(THM-Rl)
MS
310Z(5HP
18)
I
MS
270R
(THM-R1)
(1992-1993)(1993-on)
Gear
ratios
:
1st
2
.40
2
.86
3
.67
2
.86
2nd
1
.47
1
.62
2
.00
1
.62
3rd
1
.00
1
.00
1.41
1
.00
4th
0
.72
0
.72
1
.00
0
.72
5th
-
-
0
.74
-
Reverse
2
.00
2
.00
4
.10
2
.00
TRANSMISSIONSERVICE
