torque BMW M3 1993 E36 Workshop Manual

720-
4



SEAT
BELTS

REAR
SEAT
BELT
ASSEMBLY

On
4-door
E36
models,
there
are
two
3-point
shoulder
belts

and
a
center
lap
beltin
back
.
On
2-doormodels,
there
is
no

center
rear
lap-belt
.

In
models
with
the
stationary
rear
seat
back,
the
shoulder

belt
reels
are
bolted
to
themiddle
of
the
parcel
shelf
.
In
modeis

with
fold-down
rearseat
back,
the
shoulder
belt
reels
are
at-

tached
to
the
folding
seat
back
.

The
rearseat
belt
assemblies
are
shown
in
Fig
.
7
.

Fig
.
7
.



Detafs
of
rearseat
belt
assembly
.

Seats
.

REAR
SEA
T
BELT
ASSEMBLY

1
.
Remove
rear
seat
cushion
and
backrest
.
See
520

2
.
Remove
plastictrim
cover
over
shoulder
belt
reels
from
rear
window
shelf
.
See
Fig
.
8
.

3
.
Remove
rear
window
shelf
.
See
Fig
.
9
.

4
.
Unbolt
andremove
shoulder
belt
reels
.

NOTE-

The
shoulder
belt
anchor
belts
also
hold
thecenter
lap-
belt
in
place(where
applicable)
.
Be
sure
to
note
relative
positions
of
metal
belt-end
anchors
in
order
to
reas-
semble
correctly
.

body
next
to
rear
door
frame
.

8
.
Installation
is
reverse
of
removal
.

5
.
Remove
shoulder
belt
anchor
bolt
frombeneath
rear
seat
.



WARNING
-

Alignment
tabs
on
seat
belt
reels
must
be
rein-
stalled
in
their
original
positions

Fig
.
8
.



Remove
rear
shoulder
belt
reel
trim
cover
from
rear
window
shelf
.
Unclip
plastic,
then
slide
off
shoulder
belts
as
shown
by
arrows
.

Rear
seat
belt,
removing
and
installing



Fig
.
9
.
Remove
rear
window
shelf
.
Speaker
grilles
and
third
brake

(fixed
seat
back
modeis)



light
socket
will
have
to
be
removed
.
The
front
of
the
shelf
lifts
offits
clips
(black
arrows)
before
the
shelf
slides
forward
.

6
.
On
4-door
models
:
Unbolt
shoulder
belt
lock
bolt
from

7
.
On
2-door
models
:
Remove
rearside
panel
asde-
scribed
in
411
Doors
.
Unbolt
shoulder
belt
lock
bolt
from
body
nextto
quarter
panel
.

Tightening
Torques

"
Rear
seat
belt
reelbolt,
anchor
bolt,
or
lock
boltto
body
.
.
.....
.
...
...
.
48
Nm
(36
ft-Ib)

Rear
seat
belt,
removing
and
installing

(foid-down
seat
back
modeis)

1
.
Remove
rear
seat
cushion
.
See
520
Seats
.

2
.
Remove
shoulder
belt
anchor
bolt
from
beneath
rear

seat
.

NOTE
-

The
shoulder
belt
anchor
bolts
alsohold
the
center
lap-belt
in
place
(where
applicable)
.
Be
sure
to
note
relative
positions
of
metal
belt-end
anchors
in
order
to
reas-
semble
correctly
.

3
.
On
4-door
models
:
Unbolt
shoulder
belt
lock
bolt
from

body
nextto
rear
door
frame
.

4
.
On
2-door
models
:
Remove
rearside
panel
as
de-

scribed
in
411
Doors
.
Unbolt
shoulder
belt
lock
bolt

from
body
next
to
quarter
panel
.

5
.
Unlock
and
flip
down
folding
rear
seat
backrest
.
Re-

move
trim
plug
from
back
of
cushion
(luggage
compart-

ment
side)
.

6
.
Remove
seat
beltreelbolt
andwasher
.
See
Fig
.
10
.

Fig
.
10
.
Rear
seat
beltreelbolt
(arrow)
.

0012676

7
.
Gently
pry
off
plastic
trim
at
top
of
backrest
and
pull
out

seat
beltreel
from
seat
.

NOTE-

The
seat
beltreel
is
held
snugly
by
the
backrest
cush-
ion
.
Moderate
force
will
be
needed
to
pulí
ít
out
.

8
.
Installation
is
reverse
of
removal
.

Tightening
Torques

"
Rear
seat
beltreel
bolt,
anchor
bolt,

or
lock
boltto
body
...............
48
Nm
(36
ft-Ib)

Center
rear
lap-belt,

removing
and
installing

1
.
Remove
rear
seat
cushion
.
See520
Seats
.

2
.
Remove
shoulder
belt
anchor
bolts
from
beneath
rear

seat
.

3
.
Installation
is
reverse
of
removal
.

SEAT
BELTS



720-
5

NOTE-

The
shoulderbeltanchorbolts
also
hold
the
centerlap-
belt
in
place
.
Be
sure
to
note
relative
positions
of
metal
belt-end
anchors
in
order
to
reassemble
correctly
.

WARNING
-

Alignment
tabs
on
seat
belt
reels
must
be
rein-
stalled
in
their
original
positions
.

Tightening
Torques

"
Lap-belt
reelbolt
or
lock
boltto
body
.
48
Nm
(36
ft-Ib)

REAR
SEATBELT
ASSEMBLY

721-
6



AIRBAG
SYSTEM
(SRS)

5
.
Carefully
lift
airbag
unit
off
steering
wheel
and
discon-



6
.
Installation
is
reverse
of
removal
.
Tighten
right
side
nect
orange
harness
connector
from
rear
of
airbag
unit
.



screw
on
airbag
first
(as
viewedfrom
driver's
seat),

See
Fig
.
10
.



then
left
side
screw
.

NOTE-



NOTE-

In
some
models,
theairbag
electrical
connection
to
the



If
there
is
no
electrical
harness
connector
between
the
steering
wheel
isvia
aplug
in
back
of
the
airbag
unit
.



airbag
and
the
steering
wheel,
be
sure
to
fit
the
push
There
is
no
wire
harness
to
disconnect
.



in
electrical
plug
in
back
of
the
airbag
finto
the
proper
re-
ceptacle
in
the
steering
wheel
.

Fig
.
10
.
Driver
sideairbag
unit
harness
connector
(arrow)
.

AIRBAGS

WARNING
-

"
Store
the
removed
airbag
unit
with
the
horn
pad
facing
up
.
If
stored
facing
down,
accidental
de-
ployment
couldpropel
it
violently
into
the
air,
causing
injury
.

"
Once
an
airbag
is
removed,
the
car
must
not
be
driven
.

"
Do
not
connect
the
battery
with
the
airbag
dis-
connected
.
A
fault
code
will
be
stored,
setting
off
the
SRS
warning
light
.
Special
tools
are
needed
to
reset
the
fault
memory
.

"
Special
instructions
apply
when
installing
an
air-
bag
equipped
steering
wheel
.
See
320
Steering
and
Wheel
Alignment
.

"
Once
the
airbag
unit
is
installnd
and
all
other
ser-vice
procedureshave
been
completed,
start
the
engíne
and
check
that
the
SRS
warning
light
goes
out
.
If
the
warning
light
stays
on,
the
SRS
system
will
not
function
as
designed
.
Have
the
system
diagnosed
and
repaired
by
an
authorized
BMW
dealer
.

0013184

Tightening
Torque

"
Airbag
unitto
steering
wheel
........
8
Nm
(71
in-lb)

Passenger
side
airbag,

removing
and
installing

1
.
Disconnect
negative
(-)
cable
from
battery
and
cover
negative
terminal
with
insulating
material
.

2
.
Remove
glove
compartment
.
See
513
Interior
Trim
.

3
.
Lift
cover
from
topof
passenger
sideairbag
on
dash-
board
.
See
Fig
.
11
.

0013108
Fig
.
11
.
After
removing
glove
compartment,
lift
out
passenger
side
air-
bag
cover
.
Note
airbag
mounting
bolts
(A)
and
airbag
electri-
cal
connector
(B)
.

4
.
Remove
passenger
sideairbag
mounting
bolts
.
Dis-
connect
electrical
harness
connector
from
rear
of
air-
bag
unit
and
remove
airbag
.

5
.
Installation
is
reverse
of
removal
.
Make
sure
wiring
har-
ness
is
not
pínched
when
installing
airbag
unit
in
dash-board
.

Front
side-impact
airbag,

removing
and
installing

1
.
Disconnect
negative
(-)
cable
from
battery
and
cover

negative
terminal
with
insulating
material
.

CA
UTION-



"
Store
the
removed
airbag
unit
with
the
soft
pad
Prior
to
disconnectiog
the
battery,
read
the
battery



facing
up
.
ff
stored
facíng
down,
accidental
de-
disconnection
cautions
given
at
the
front
of
this



ployment
could
propel
it
violently
into
the
air,
manual
on
page
viii
.



causing
injury
.

2
.
Remove
inside
door
panel
as
described
in
411
Doors
.

Remove
vapor
shield
.

3
.
Disconnect
electrical
harness
connectorfrom
door-

mounted
airbag
unit
.
See
Fig
.
12
.

WARNING
-

The
plug
connector
insidethe
door
is
not
marked
in

orange,
unlike
other
SRS
connectors
in
the
car
.

Fig
.
12
.
Front
side-impact
airbag
(inner
door
panel
removed)
.
A
is

electrical
harness
connector
.

AIRBAG
SYSTEM
(SRS)



721-
7

CAUTION-

"
The
electrical
harness
connector
of
the
side-im-
pact
airbag
unit
may
be
either
on
the
sideof
the
unít
or
in
the
back
When
removing
and
installing
the
unit,
pay
attention
to
the
routing
of
the
har-
ness
to
avoid
kinks
orbreaks
in
the
wire
.

4
.
Remove
mounting
screws
andremove
airbag
from

door
.

5
.
Installation
is
reverse
of
removal
.

WARNING
-

The
side-impact
airbag
mounting
screws
must
al-
ways
be
replaced
any
time
they
are
removed
.
Usenew
screws
with
factory-applied
locking
sealer
.

Tightening
Torque

"
Side-impact
airbag
to
door



..
.....
8
.5
Nm
(75
in-lb)

AIRBAGS

DATA
LINK
CONNECTOR
15
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Transmission
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1993-94
318i,
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Transmission
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1996-97
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ENGINECONTROL
MODULE
(DME)

WARNING

Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
tosafe
and
successful
service
work
.
Before
attempting
any
work
on
your
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright

page
at
the
frontof
the
manual
.
Review
these
warnings
and
cautions
each
time
you
prepare
to
work
on
your
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.

Fuel
pressure
regulator
See
Fuel
injection
Fue]
pump
general
information
160-1
electrical
tests
160-7
power
consumption,
testing
160-7
delivery
tests160-8
delivery
volume,
testing
g
160-9
electrical
circuit,
checking
160-7
fuse
and
relay
160-6
level
sender
See
pump/fuel
leve¡
sender
operating
fuel
pump
for
tests
160-6
pump/fuel
level
sender
(left
side),
removing/installing
160-6
pump/fuel
leve¡
sender
(right
side),
removing/installing
160-5
relieving
fuel
pressure
and
connecting
fue¡
pressure
gauge
160-8
Fueltank
and
lines
general
information
160-1
draining
160-2
evaporative
control
system
160-4
leve¡
senders,
testing
160-5
removing/installing
160-3
Fundamentals
for
the
do-it-yourself
owner
general
information
010-1
advice
for
the
beginner
010-4
cleanliness
010-4
electrical
testing
010-6
gaskets
and
seals
010-5
non-reusable
fasteners
010-5
planning
ahead
010-4
tightening
fasteners
010-5
wire
repairs
010-6
buying
parts
010-6
genuine
BMW
parts
010-6
information
you
need
to
know
010-7
non-returnable
parts
010-7
emergencies
010-11brake
fluid
leve¡
010-13
car
will
not
start
010-11
changinga
tire
010-11
check
enginewarning
light
010-13
dim
Iights
010-13
jump
starting
car
010-12
low
o]I
pressure
010-13
overheating
010-12

Emergencies
(cont
.)
spare
parts
kit
010-14
towing
010-13
gettingstarted
010-2
lifting
thecar
010-3
raising
car
safely
010-3
safety
010-2
working
under
car
safely
010-4
how
to
use
this
manual
010-2
warnings,
cautions
and
notes
010-2
service
010-7
tools
010-7
basic
tool
requirements010-8
BMW
specialtools
010-11
feeler
gauges
010-10
jack
stands
010-9
oil
change
equipment
010-9
torque
wrench
010-10
volt-ohm
meter
(VOM)
or
Multi-
meter010-10
Fuses
See
Electrical
component
locations

G

Gaskets
See
Fundamentals
for
the
do-it-
yourself
owner
Gearshift
See
Gearshift
linkage
Gearshift
linkagegeneral
information
250-1
automatic
shiftlock,
checking
function
250-5
automatic
transmission
gearshift
250-
3
gear
position/neutral
safety
switch,
replacing
(automatic
transmission)
250-4
gearshift
lever,
installing
(manual
transmission)
250-2
gearshift
lever,
removing
(manual
transmission)
250-1
gearshift
mechanism,
adjusting
(automatictransmission)
250-3
manual
transmission
gearshift
250-1
shift
interlock,
checking
function
(automatic
transmission)
250-6Glass
See
Door
windows
Glove
compartment
See
Interior
trim
Grille
See
Exterior
trim,
bumpers
Guibo
(flex
disc)
See
Driveshaft

Handle,
door
See
Doors
Hardtop
See
Body-general
Headlight
See
Exterior
lighting
Headlight
switch
See
Switches
and
electrical
accessoriesHeater
box
See
Heating
Heater
core

See
Heating
Heater
valve
See
Heating
Heating
general
information
640-1
air
distribution
motors
640-9
air
distribution
motor,
replacing
(rotary
knob)
640-10
blower
motor,
removing/installing
640-1blower
motor
resistor
pack,
replacing
640-3
control
head
640-7
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-7
control
module
removing/installing
(digital-display)
640-8
removing/installing
(rotary
knob)
640-8
heater
box,
removing640-4
heater
core,
replacing
640-6
heater
core
temperature
sensor,
replacing
640-7
heater
valve,
replacing
640-3
rear
window
blower
(convertible
models)
640-10
reas
window
defogger
640-10sensor
fan
forinterior
temperature,
replacing
640-9warnings
and
cautions
640-11
Hood
See
Fenders,
engine
hood

Idle
speed
See
Maintenance
program
Idle
speed
control
valve
See
Fuel
injection
Ignition
switch
See
Switches
and
electrical
accessories

INDEX
5

8
INDEX

Speakers
See
Radio
SRS
(Supplemental
restraint
system)
See
Airbag
system
(SRS)
Starter
See
Battery,
starter,
alternator
Steering
and
wheel
alignment
general
information
320-1
caster
and
camber
320-5
front
toe-in
and
toe
difference
angle
320-6
outer
tie
rod
end,
replacing
320-4
power
steering
pump,
removing/
installing
320-2
power
steering
system
320-2
power
steering
system,
bleeding/filling
320-3
rear
toe-in
320-6
steering
gear320-3
steering
gear
rack,
removing/installing
320-3
steering
wheel
320-1
steering
wheel,
removing/installing
320-1
tie
rod,
replacing
320-5
wheel
alignment
320-5
wheel
alignment
specifications
320-6
Steering
gear
See
steering
and
wheel
alignment
Strut
See
Front
suspension
Subframe
See
Front
suspension
Sunroof
general
information
540-1
motor,
removing/installing
540-3
panel,
adjusting
540-2
panel,
emergency
closing
540-2
Suspension,
front
See
Front
suspension
Suspension,
rear
See
Rear
suspension
Suspension,
steering
and
brakes
general
information
300-1
al¡
season
traction
(AST)
300-4
antilock
brake
system
(ABS)
300-2
brakes
300-2
front
suspension
300-1
integrated
systems
300-2
M3
suspension
and
brakes
300-7
steering
300-2
rear
suspension
300-2suspension
and
steering
troubleshooting
300-7
tires
and
wheels300-2

T

Switches
and
electrical
accessories
general
information
612-1
dome
light,
rear
map
lights,
trunk
light,
replacing
bulbs
612-7
hazard
warning
switch,
replacing
612-5
headlight
switch,
replacing
612-5
foglight
switch,
replacing
612-5
ignition
electrical
switch,
replacing
612-3
ignition
lock
cylinder,
replacing
612-4
ignition
switch
assembly
612-3
outside
mirror
switch,
replacing
612-6
power
window
switch,
replacing
612-5
turn
signal
switch
and
wiper
switch,
removing/installing
612-1
wiper
switch
See
turn
signal
and
wiper
switch

Taillight
See
Exterior
lighting
Thermostat
See
Cooling
system
Throttleposition
sensor
(TPS)
See
Fuel
injection
Throw-out
bearing
See
ClutchTierod
See
Steering
and
wheel
alignment
Tires
See
Suspension,
steering
and
brakes-general
See
also
Maintenance
program
Timing
chain
See
Camshaft
timing
chain
Toe-in

See
Steering
and
wheel
alignment
Tools
See
Fundamentals
for
the
do-it-
yourself
owner
Torque
convector
See
Automatic
transmission
Towing
See
Fundamentals
for
the
do-it-
yourself
owner
Traction
control
See
also
Suspension,
steering
and
brakes-general
Trailing
arm
See
Rear
suspension
Transmission-general
See
also
Automatic
transmission
See
also
Manual
transmission
general
information
200-1
automatic
transmission
200-1
manual
transmission
200-1
transmission
ID
codes
200-2
Transmission
fluid
See
Maintenance
program
See
also
Automatic
transmission
Transmission
input
shaft
See
Manual
transmission
Transmission
output
shaft
See
Manual
transmission

Trim,
interior
See
Interior
trim
Trunk
lid
general
information
412-1
trunk
lid,
412-1
trunk
lid,
aligning
412-1
trunk
lid,
removing/installing
412-1
trunk
lid
support
strut,
removing/
installing
412-2

U

Upholstery
See
Maintenance
program
U-joints
See
Driveshaft

V

V-belt
See
Maintenance
program
Vacuum
booster
See
Brakes
Vacuum
leaks
See
Engine-general
Valveguides
See
Cylinder
head
and
valvetrain
Valve
seals
See
Cylinder
head
and
valvetrain
Valveseats
See
Cylinder
head
and
valvetrain
Valves
See
Cylinder
head
and
valvetrain
Valvetrain
See
Cylinder
head
and
valvetrain
VANOS
(variable
valve
timing)
See
Camshaft
timing
chaín
See
also
Engine-general
Vehicle
identification
number
(VIN)
See
Fundamentals
for
the
do-it-
yourself
owner
Vehicle
speed
sensor
See
Instruments
Ventilation
See
Air
conditioning
See
also
Heating

Voltage
regulator
See
Battery,
starter,
alternator
Voltage
tests
See
Electrical
system-general

W

Warnings
vi¡
Washer
fluid
pump
See
Wipers
and
washers
Washers
See
Wipers
and
washers
Water
pump
See
Cooling
system
Waxing
See
Maintenance
program