bolt tightening BMW 318i 1994 E36 Workshop Manual

Fig
.
36
.
6-cylinder
engine
belt
diagram
:
To
remove
A/C
belt,
lever
ten-
sioner
(A)
in
clockwise
direction
using
long-handled
wrench
or
breaker-bar
.

6
.
Disconnect
electrical
harness
connector
from
com-
pressor
.

7
.
Remove
A/C
pressure
hose
and
suction
hose
flange



10
.
Before
recharging,
evacuate
system
for
at
least
30
min
.
bolts
from
compressor
.
Plug
hoses
immediately
See



Recharge
system
following
equipment
manufacturer's

Fig
.
37
.



instructions
.
See
Table
d
.
A/C
System
Refrigerant

Capacities
.

0011879

Fig
.
37
.
A/
C
compressor
pressure
hose
(A)
and
suction
hose
(B)
.
(6-
cylinder
engine
shown
.
4-cylinder
engine
is
similar
.)

HEATING
AND
AIR
CONDITIONING



640-
1
3

Fig
.
38
.
A/
C
compressor
mounting
boits
(arrows)
.

9
.
Installation
is
reverseof
removal
.

CAUTION
-

"
Always
replaceO-rings
when
reconnecting
re-
frigerantfines
.

"
When
installlng
a
new
compressor
always
re-
place
receiverldrier
unit
.

Tightening
Torques

"
A/C
compressor
to
engine
block
....
22
Nm
(17
ft-Ib)
"
A/C
line
flange
to
A/C
compressor
5/8
in
.
fine
.
......
.....
....
.
.....
20
Nm
(15
ft-Ib)

3/4
in
.
fine
.......
.....
..........
39
Nm
(29
ft-Ib)

7/8
in
.
fine
...
....
.....
..........
42
Nm
(31
ft-Ib)

11/16
in
.
fine
.....
..
..
..
...
.
.....
48
Nm
(35
ft-Ib)

A/C
Compressor
Clutch

The
compressor
clutch
can
be
replaced
without
disturbing

thesealed
refrigerant
system,
although
clearances
in
the
six-

cylinder
cars
may
be
very
tight
.
Detach
the
compressor
from

the
compressor
bracket
togain
extra
clearance
.

8
.
Remove
compressor
mounting
boits
.
See
Fig
.
38
.
Re-



Typical
A/C
compressor
and
clutch
is
shown
in
Fig
.
39
.
move
compressor
by
pulling
downward
from
under-

neath
car
.



Remove
driveplate
and
pulley
to
access
clutch
magnetic

winding
.
See
Fig
.
40
.

AIR
CONDITIONING

640-14



HEATING
AND
AIR
CONDITIONING

7
Fig
.
39
.
A/
C
compressorand
clutch
components
.

8
00871208

1.
Clutch
plate
retaining
bolt



5
.
A/C
compressor
pulley
2
.
Clutch
plate



6
.
Clutch
retaining
circlip
3
.
Pulley
retaining
circlip



7
.
Clutch
(magnetic
winding)
4
.
Clutch
bearing



8
.
Compressor

00870082

Fig
.
40
.
A/
C
compressor
driveplate
canbe
held
stationary
with
strap
toolto
allow
removal
of
retaining
bolt
.

NOTE-

BMWs
are
equipped
with
compressors
from
various
manufacturers
.
Special
tools
may
be
required
tore-
move
driveplate
orpulley
.

AIR
CONDITIONING

Tightening
Torque

"
Compressor
clutch
bolt

to
compressor
shaft
.....
.
....
..
.
.
20
Nm
(15
ft-Ib)

A/C
condenser,
replacing

1
.
Following
manufacturer's
instructions,
connect
an
ap-

proved
refrigerant
recovery/recycling/recharging
unitto

A/Csystemand
discharge
system
.

WARNING
-

Do
not
dischargelcharge
the
AIC
system
without
proper
equipment
and
training
.
Damage
to
the
vehi-
cle
and
personal
injury
may
result
.

2
.
Remove
front
bumper
and
radiator
grilles
.
See510
Ex-

terior
Trim,
Bumpers
.

3
.
Remove
auxiliary
electric
radiator
fan
.
See
170
Cool-
ing
System
.

4
.
DetachA/C
lines
from
lower
right
corner
of
condenser
.

Plug
lines
immediately
.
See
Fig
.
41
.

Fig
.
41
.
A/
C
flange
bolts
at
condenser
(arrows)
.

5
.
Remove
condenser
mounting
bolts
from
frontradiator

support
.
See
Fig
.
42
.

6
.
Lift
up
condenser
to
disengage
from
lower
mounts
and

remove
from
below
.

7
.
Installation
is
reverse
of
removal
.

CA
UTION-

"
Always
replace
O-rings
when
reconnecting
re-
frigerant
fines
.

"
When
installing
a
new
condenser
always
replace
receiverldrier
unit
.

Front
seat
belt
reel,

removing
and
installing

1
.
On
4-door
models
:
Remove
seat
belt
anchor
bolt
from
front
seat
.
Refer
to
Fig
.
1
.

2
.
On
2-door
models
:
Remove
seat
belt
anchorbar
from
rear
of
door
sill
.
See
Fig
.
4
.

Fig
.
4
.



Two-door
seat
belt
anchor
bar
(arrow)
.

3
.
On
4-door
and
coupe
models
:
Remove
plastic
trim
cov-

er
from
B-pillar
(rear
door
jamb
pillar)
sliding
seat
belt

guide
.
Remove
nut
and
guide
loop
.
See
Fig
.
5
.

4
.
On
4-door
models
:
Starting
at
upper
corners,peel
rub-

ber
door
seals
away
from
B-pillar
trim
.
Remove
trim

from
B-pillar
.

5
.
On
2-door
models
:
Remove
reasside
panel
.
See
411

Doors
.

Fig
.
5
.



B-pillar
seat
belt
guide
nut
trim
(arrow)
.

SEAT
BELTS



720-
3

move
reel
and
seat
belt
.

9
.
Installation
is
reverse
of
removal
.

0012672
ou12a74

Fig
.
6
.



B-pillar
trim
removed
to
show
seat
belt
cross-bracket
bolts
(arrows)
.

8
.
Disconnect
harness
connector
from
reel
assembly
.
Re-
Tightening
Torque

6
.
Remove
two
bolts
holding
cross
bracket
to
B-pillar
.
See



"
Front
seat
belt
to
seat
Fig
.
6
.



(use
thread
locking
compound)
.
....
47
Nm
(35
ft-Ib)

"
Front
seat
belt
guide
loop
7
.
Remove
seat
belt
reel
mounting
boltat
base
ofB-pillar
.



to
B-pillar
sliding
anchor



.
..
.
.
.
....
31
Nm
(23
ft-Ib)

"
Front
seat
beltreeltoB-pillar
..
.
....
48
Nm
(36
ft-Ib)

FRONT
SEAT
BELT
ASSEMBLY

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
.