1994 BMW 318i vent

512-2



DOOR
WINDOWS

WINDOW
SERVICE,

4-DOOR
MODELS

WARNING
-

When
servicing
the
door
wíndows,
theharness
con-
nector
to
the
window
regulator
shouldalways
be
disconnected
to
prevent
pinching
fingers
in
closing
window
.

NOTE-

If
the
battery
is
disconnected,
the
front
window
regula-

tor
motors
must
be
re-initialized
afterrepairs
are
car-ried
out
.
lf
the
window
motorsare
not
reinitialized,
the
programmed
one-touch
upldown
and
anti-pinchfunc-
tions
will
be
disabled
.
See
Front
door
window,
initial-
izing
.

Front
doorwindow,
removing
and
installing



0013061
(4-door
modeis)



Fig
.1.
Lift
off
window
sea¡
from
door
.
Note
metal
retainer
(arrow)
.
2-
door
car
shown
.
1
.
Lower
door
window
about
12
in
.
(300
mm)
.

2
.
Remove
front
door
panel
and
vapor
barrieras
de-
scribed
in
411
Doors
.

WARNING
-

"
Some
1997
and
all
1998
cars
are
fitted
wlth
side-
impact
airbags
in
the
front
doors
.
When
servicing
the
door
wíndows
on
cars
with
front
side-impact
airbags,
always
disconnect
the
negative
()
bat-
tery
cable
.
See
721Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
theairbag
sys-
tem
.

"
Prior
to
disconnectiog
the
battery,
read
the
bat-
tery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
vi¡¡
.

3
.
On
cars
with
side-impact
airbags,
disconnect
negative
(-)
cable
from
battery
.
Then
remove
airbag
unit
fromdoor
.
See
721
Airbag
System
(SRS)
.

5
.
Carefully
remove
window
innersea¡
and
pry
off
metal

retainers
under
sealing
lip
to
prevent
scratchingglass
.
See
Fig
.
1
.

6
.
Remove
retaining
clips
from
window
slides
.
See
Fig
.
2
.

WINDOW
SERVICE,
4-DOOR
MODELS

Fig
.
2
.



Retaining
clipsfor
window
slides
(arrows)
.

0011696

7
.
While
supporting
window
glass,
pry
window
lifting
arms

out
of
left
and
right
slides
.
See
Fig
.
3
.

NOTE-



8
.
Pivot
window
up
at
rear
and
out
of
door
.

In
some
modeis
covered
inthis
manual,
it
is
not
essen-
tial
to
remove
the
side-impact
airbag
to
access
internal



9
.
Installation
is
reverse
of
removal,
notingthe
following
:

door
components
.
However,
the
procedure
is
recom-



"
Usenew
mounting
bolts
when
reinstalling
the
side-im-
mended
forsafety
reasons
.



pactairbag
to
the
door(where
applicable)
.
See
721
Airbag
System
(SRS)
.
4
.
Disconnect
harness
connector
from
window
motor
to



"
Adjust
window
as
described
later
.
prevent
accidental
operation
.



"
Re-initialize
window
regulator
motorsas
described

earlier
.

512-
4



DOOR
WINDOWS

7
.
Push
regulator
stop
tightly
against
window
regulator



4
.
Lower
door
window
about
12
in
.
(300
mm)
.
Remove

sector
and
tighten
nut
.



window
lifting
arm
retaining
clip
from
window
slide
.
Re-

o
Check
for
tight,
even
fit
at
top
of
window
frame
.



fer
to
Fig
.
2
.

"
If
necessary,temporarily
reconnect
negative
(-)
cable

to
battery
and
raise
window
so
it
is
pressing
uniformly



WARNING-

against
toprubber
sea¡
before
final
tightening
.



Once
the
window
is
lowered,
dísconnect
harness
connector
from
power
window
motor
to
prevent
ac-
8
.
Reinitialize
front
window
motorsas
described
earlier
.



cidental
operation
of
the
window
.

Tightening
Torques

"
Regulator
stop
to
window
regulator
....
9
Nm
(7
ft-Ib)

"
Window
regulator
bracket
to
door
.....
9
Nm
(7
ft-Ib)

Rear
door
window,
removing
and

installing
(4-door
models)

1
.
Remove
rear
door
panel
and
vapor
barrier
.
See
411



7
.
Remove
window
glass
from
above
.
Doors
.

2
.
Pul¡
out
rubber
guide
at
front
of
window
frame
.
Remove

three
screws
and
pul¡
off
exteriortrim
cover
.
See
Fig
.
6
.

UJ117U1
Fig
.
6
.



Trim
covermounting
screws
(arrows)
.
To
remove
cover,
slide
upand
off
door
.

3
.
Lift
up
andremovewindow
inner
sealing
strip
.
Remove

clipsat
edge
of
window
channel
.
Refer
to
Fig
.
1
.

WINDOW
SERVICE,
4-DOOR
MODELS

5
.
Pry
lifting
arm
out
of
slide
.
Refer
to
Fig
.
3
.

NOTE
-

Support
window
in
door
before
disconnecting
lifting

arm
from
window
slide
.

6
.
Remove
rubber
channelfromdoorframe
perimeter
.

8
.
Installation
is
reverse
of
removal
.

"
Rear
window
adjustment
is
similar
to
front
window
ad-

justment,given
earlier
.

"
Reinitialize
window
motorsas
described
earlier
.

Rear
door
fixed
glass,
removing
and

installing
(4-door
models)

1
.
Remove
window
from
rear
dooras
described
earlier
.

2
.
Remove
upper
and
lower
bolts
at
guide
rail
.
Lift
up
rub-

ber
sea¡
to
accessupper
bolt
.
See
Fig
.
7
.

Fig
.
7
.



Rear
guide
rail
mounting
bolts
(arrows)
.

3
.
Remove
guide
rail
screw
at
top
and
move
rail
aside
enough
to
slide
glass
forward
and
out
of
door
frame
.

See
Fig
.
8
.

4
.
Installation
is
reverse
of
removal
.

WINDOW
SERVICE,

2-DOOR
MODELS

WARNING
-

When
servicing
the
door
windows,
the
hamess
con-
nector
to
the
window
regulator
shouldalwaysbe
disconnectod
to
prevent
pinching
fingers
in
closing
window
.

2-door
models
are
equipped
with
the
"close
with
door
shut"

feature
.
In
this
rriode,
the
window
glass
moves
down
slightly

when
the
door
latch
is
activated,
then
goes
up
tightly
against

the
weather-strip
when
the
door
is
fully
closed
.

Front
door
window,
removing
and

installing
(2-door
models)

WARIWNG
-

Some
1997and
a111998
cars
are
fitted
with
side-im-

pact
airbags
in
the
front
doors
.
When
servicing
the
front
windows
on
cars
with
front
side-impact
air-
bags,
always
disconnect
the
negative
(-)
battery
cable
.
See
721
Airbag
System(SRS)
for
cautions

and
procedures
relating
to
the
airbag
system
.

DOOR
WINDOWs
512-
5

CAUTION-

"In
models
with
side-impact
airbags,
removing
the
front
window
requires
fhat
the
battery
cable
be
reconnected
with
the
side-impact
airbag
dis-
connected
.
This
will
set
a
fault
code
in
the
SRS
control
module,
turn
on
the
SRS
warning
light,
and
disable
the
SRS
system
until
the
fault
mem-
ory
is
cleared
using
special
SRS
test
equipment
.

"
Removing
the
front
window
will
upset
the
adjust-
ment
and
alignment
of
the
window
.
Window
ad-justment,
as
described
later,
must
be
carried
out
after
installation
to
prevent
damaging
the
glass
.

1.
On
carswith
side-impact
airbags,
disconnect
negative

(-)
cable
from
battery
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
viii
.

Fig
.
8
.



Remove
guide
rail
screw
(A)
and
move
rail
aside
.



2
.
Remove
interior
door
panel
and
vapor
barrier
.
See
411

Doors
.

3
.
Where
applicable,
remove
side-impact
airbag
from

door
.
See
721
Airbag
System
(SRS)
.

NOTE-

In
some
models
covered
in
this
manual,
it
is
notessen-
tial
to
remove
the
side-impact
airbag
lo
access
intemal
door
components
.
However,
the
procedure
is
recom-
mended
for
safety
reasons
.

4
.
Pull
off
exterior
doormolding
.
See
510
Exterior
Trim,

Bumpers
.

5
.
Lower
door
window
completely
If
necessary,
tempo-

rarily
reconnect
battery
cable
.

6
.
Lift
up
and
remove
window
innersealing
lip
.
Remove
all

metal
retainers
under
sealing
lip
.
See
Fig
.
9
.

NOTE
-

The
front
window
regulator
motors
must
be
re-initial-



7
.
Raise
window
to
about10
in
.
(250
mm)
.
If
necessary,

ized
after
repairs
are
carried
out
.
If
the
window
motors



temporarily
reconnect
battery
cable
.
Remove
guide

arenot
reinitialized,
the
programmed
one-touch



bracket
mounting
nuts
and
remove
bracket
.
See
Fig
.
up/down
and
anti-pinch
functions
will
be
disabled
.
See



10,

Front
doorwindow,
initializing
.

8
.
Lower
window
about
4'/2
in
.
(110mm)
.
If
necessary,
tem-

porarily
reconnect
batterycable
.
Working
through
bore

hole
in
door
exterior,
remove
lower
guide
bracket

through-bolt
from
glass
.
See
Fig
.
11
.

9
.
Lower
window
about
2'/2
in
.
(65
mm)
.
If
necessary,
tem-

porarily
reconnect
battery
cable
.
Repeat
step
8
to
re-

move
upper
through-bolt
from
guide
bracket
.

10
.
Raise
window
to
about
7
1
/2in
.
(190
mm)
from
top
.
If
nec-

essary,
temporarily
reconnect
batterycable
.
Remove

window
rear
limit
stop
bracket
.
See
Fig
.
12
.

WINDOW
SERVICE,
2-DOOR
MODELS

512-
1
0



DOOR
WINDOWS

0013078

Fig
.
22
.
Move
window
fore/aftatrear
guide
rail
top
mounting
bolts
(ar-

rows)
.

Insertion
Depth

"
A
(See
Fig
.
17
.)
.
..........
.1-1
.5
mm
(0
.04-0
.6
in
.)

6
.
To
set
Insertion
depth
C
(Refer
to
Fig
.
17
.)
:

"
Lower
window
slightly
.
Loosen
stop
at
window
regula-

tor
motor
.
See
Fig
.
23
.

Fig
.
23
.
Window
regulator
stop
(arrow)
.

WINDOW
SERVICE,
2-DOOR
MODELS

0013075

"
Raise
window
.
Loosen
rear
boltat
regulator
support

arm
(5mm
Allen
wrench)
.
See
Fig
.
24
.
Align
window

parallelto
roof
line
by
moving
support
arm
up
or
clown
.

Tighten
arm
bolt
.

"
Lower
window
and
remove
rubber
plugs
at
bottom
of

door
.
If
necessary,temporarily
reconnect
battery
ca-

ble
.

"
Adjust
front
and
rear
limit
stops
so
that
window
retracts

into
window
seal
as
specified
.
See
Fig
.
25
.

"
Raise
window
to
check
adjustment
.

"
Push
regulator
stop
fully
forward
and
tighten
bolt
.

"
Closedoor
and
check
window
operation
.

0013077

Fig
.
24
.
Use
5mm
Afen
socket
to
loosen
mounting
boltat
support
bracket(arrow)
and
slide
bracket
up
or
clown
to
adjust
win-
dow
position
at
roof
line
.
(Allen
bolt
head
faces
outside
of
door
.)

CAUTION
-

"
Recheck
preload
gap
B
(step
4)
.
Excessive
pre-
load
could
cause
window
to
shatter
.

"
The
fully
closed
window
must
not
contact
the
rain
gutter
when
opening
the
door
(in
the
event
the
"close
with
door
shut"
feature
is
faulty
or
the
bat-tery
is
dead)
.

7
.
Usenew
mounting
bolts
when
reinstalling
the
side-im-
pact
airbag
to
the
door
(where
applicable)
.
Reset
SRS
warning
light
and
clear
SRS
fault
memory
using
special

test
equipment
.
See
721
Airbag
System
(SRS)
.

8
.
Replace
door
panel,
rubber
door
plugs
and
outside
doormolding
.

9
.
Re-initialize
window
regulator
motors
as
described
ear-
lier
.

0013080
Fig
.
25
.
Reach
through
doorbottom
to
adjust
window
limit
stops
.
Rear
stop
beingadjusted
.

Rear
vent
window
or
vent
latch,

replacing
(2-door
modeis)

1
.
Remove
C-pillar
(rear
roof
pillar)
trim
.
See
Fig
.
26
.

0013069

Fig
.
26
.
C-pillar
trim
shown
removed
.
Peel
off
window
sealing
trím
and
then
unclip
pillar
trim
piece
.
Unplug
interior
light
socket
(ar-
row)
.

2
.
Remove
window
latch
screws
atC-pillar
.
See
Fig
.
27
.

DOOR
WINDows



512-11

0013070
Fig
.
27
.
Rear
vent
latch
screws
on
C-pillar
andon
window
(arrows)
.

3
.
Remove
front
seat
belt
sliding
anchor
trim
at
B-pillar
(door
post),
andremove
anchor
nut
.
See
Fig
.
28
.

Fig
.
28
.
B-pillar
seat
belt
anchor
trim
(arrow)
.

5
.
Remove
seat
belt
sliding
anchor
.
See
Fig
.
29
.

úulzoiz

4
.
PA
off
sliding
anchor
adjustíng
knob
.
Partially
pull

away
door
edge
and
vent
window
trimstrips
and
re-
move
top
B-pillar
plastic
trim
.

6
.
While
supporting
window,
remove
its
B-pillar
mounting
fasteners
.
See
Fig
.
30
.

7
.
Installation
is
reverseof
removal
.
Keep
in
mind
the
fol-

lowing
:

"
Plastic
sealing
washers
mustbe
installed
between
glass
and
body
on
forward
glass
mounting
studs
.
"
Reinstall
sealing
washers
on
both
sides
of
glass
at
rear

latch
attachment
.

WINDOW
SERVICE,
2-DOOR
MODELS

512-
1
2



DOOR
WINDOWS

Fig
.
30
.
Vent
window
mounting
nuts
on
B-pillar
(arrows)
.

WINDOW
REGULATOR
SERVICE

0013071

Fig
.
29
.
Seat
belt
sliding
anchor
mounting
bolts
on
B-pillar
(arrows)
.

Notedoor
post
and
vent
window
trim
strips
peeled
away
.

Tightening
Torques

"
Latch
to
vent
window
(M5
screw)
.....
6
Nm
(53
in-lb)

"
Seat
belt
anchor
nut
..............
31
Nm
(23
ft-Ib)

"
Seat
belt
sliding
anchor

mounting
bolts
.
..
...
.
...........
24
Nm
(17
ft-Ib)

"
Vent
window
to
body(M6
nut)
.....
6
.2
Nm
(55
in-lb)

WINDOW
REGULATOR
SERVICE

Door
window
regulator
and
motor,

removing
and
installing

This
procedure
applies
to
front
or
rear
door
windows
.

1
.
Remove
door
panel
and
vapor
barrier
as
described
in

411
Doors
.

WARNING
-

"
Some
1997
and
all
1998
model
year
cars
are

equipped
with
front
side-impact
airbags
in
the

front
doors
.
Whenever
servicing
the
doors
orwin-

dows
on
cars
with
front
side-impact
airbags,
al-

ways
disconnect
the
negative
(-)
battery
cable
.
See
721
Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
the
airbag
system
.

"
Prior
to
disconnectiog
the
battery,
read
the
bat-tery
disconnection
cautions
gíven
at
the
front
of

this
manual
onpage
vi¡¡
.

2
.
Remove
door
glass
as
described
earlier
in
this
section
.

3
.
Remove
inside
door
handle
.
See
Fig
.
31
.

4
.
Disconnect
wiring
connector
to
power
window
motor
.

5
.
Remove
regulator
mounting
bolts
or
drill
out
rivets
.
See

Fig
.
32
.

0013193
0013072



Fig
.
32
.
Front
window
regulator
mounting
fasteners
(arrows)
.

6
.
Remove
regulator
assembly
fromdoor
.

515
Central
Locking
and
Anti-Theft

GENERAL
.....
.
.
.
.
.
.
.
..:
.
.
.
......
.
.
.
.
515-1



Luggage
compartment
locking
actuator,
removing
and
installing
.
.
.
.
.
...........
.
515-6

DOOR
HANDLES
AND
LOCKS
.........
515-1



LOCKING
SYSTEM
AND
Front
door
lock,
removing
and
installing
....
.515-1



ELECTRONIC
IMMOBILIZATION
......
.515-7
Front
door
handle,
removing
and
installing
...
515-3

Rear
door
lock,
removing
and
installing
.....
515-4



Central
Locking
System(ZVM)
.
.
.
.
.......
.
515-7

Rear
door
handle,
removing
and
installing
...
515-5



Central
Body
Electronics
(ZKE
IV)
.
.
.......
.515-8

Electronic
Immobilization
System
(EWS)
.
.
.
.
.515-8
Door
striker,
rep
lacing
.
.
.
.
.
.
.
.
.
..........
515-6



EWS
II
control
module,
re
lacin



515-10

LOCKING
ACTUATORS
.
.
.
.
.
.
..........
515-6



Ring
antenna,
replacing
.
.
.
.
.
.
.
.
.
.
...
.
.
.
.
515-10

Door
Locking
Actuator
.
.
.
.
.
.
.
.
..........
515-6



EWS
II
transmitter/receiver
module,

replacing
...........
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
515-11

GENERAL

This
section
covers
repair
information
for
the
central
locking

and
the
anti-theft
systems
.
Keep
in
mind
that
E36
cars
are



CA
UTION-

equipped
with
sophisticated
and
self-diagnostic
electrical
sys-



Prior
to
disconnecting
the
battery,
read
the
battery

tems
.
When
experiencing
malfunctions
relatinglo
the
central



disconnection
cautions
given
at
the
front
of
this

locking
or
the
anti-theft
system,
it
is
recommended
that
the



manual
onpage
vi¡¡
.

systembe
diagnosed
using
the
BMW
service
tester
(DIS)
.

This
advanced
diagnostic
tool
can
usually
pinpoint
electrical



NOTE-
faults
quickly
and
safely
.
Consult
an
authorized
BMW
dealer
.
In
some
models
covered
inthis
manual,
it
is
not
essen-
tial
to
remove
the
side-impact
airbag
to
access
intemal

NOTE-



door
components
.
However,
the
procedure
is
recom-

Additional
general
electrical
information
can
be
found



mended
for
safely
reasons
.

i
n
610
Electrical
Component
Locations
and
Electri-
cal
Wiring
Diagrams
.



4
.
Disconnect
harnessconnector
from
window
motor
to

DOOR
HANDLES
AND
LOCKS

Front
door
lock,
removing
and
installing

1
.
Remove
front
door
panel
and
vapor
barrier
asde-

scribed
in
411
Doors
.

WARNING
-

Some
1997
and
all
1998
cars
are
fitted
with
side-im-

pact
airbags
in
the
front
doors
.
When
servicing
the
door
locks
on
cars
with
front
side-impact
airbags,
al-
ways
disconnect
the
negative
(-)
battery
terminal
.
See721
Airbag
System
(SRS)
forcautions
andpro-
cedures
relating
to
the
airbag
system
.

2
.
Raise
door
window
completely

CENTRAL
LOCKING
AND
ANTI-THEFT



515-1

3
.
On
cars
with
side-impact
airbags,
disconnect
negative
(-)
cable
from
battery,
then
remove
airbag
module
.

prevent
accidental
operation
.

5
.
On
4-door
cars
:
Peel
back
rubber
window
guide
from

reas
guide
rail
:
Remove
guide
rail
mounting
boltat
bot-

tom
.
Unclip
any
wiring
from
guide
rail
and
pull
guide
rail

downward
and
remove
from
door
.
See
Fig
.
1
.

NOTE
-

The
top
of
the
guide
rail
is
"hooked"
to
the
doorsheet
metal
.

6
.
Remove
inside
door
handle
retaining
screw
.
Discon-

nect
inside
handle
from
linkage
and
remove
.
See
Fig
.

2
.

7
.
Cut
wire
ties
and
remove
door
lock
electrical
harness
con-

nector
.
Remove
door
lock
mounting
screws
.
See
Fig
.
3
.

8
.
Working
inside
door,
disconnect
outside
door
handle

and
lockcylinder
linkage
from
door
lock
.
Remove
lock

from
inside
door
.
See
Fig
.
4
.

DOOR
HANDLES
AND
LOCKS

515-6



CENTRAL
LOCKING
AND
ANTI-THEFT

6
.
Remove
door
handle
assembly
from
inside
door
.

7
.
Installation
is
reverse
of
removal
.
Keep
in
mindthe
fol-

lowing
:

"
Make
sure
rubber
seal
for
handle
is
correctly
posi-

tionedbefore
tightening
mounting
fasteners
.

"
Install
exterior
trim
piece
and
then
use
a
hooked
toolto

pull
locking
plate
into
locked
position
.
Make
sure
door
handle
trim
contacts
body
evenly
before
lockingtrim

in
place
.

"
Reconnect
all
harness
connectors
(including
power

window
motor)before
installing
door
panel
.

"
Secure
wire
harnesses
withwire
ties
.

"
Adjust
windowas
described
in
512
Door
Windows
.

Tightening
Torque

"
Rear
door
handle
mounting
screws
..
10
Nm
(89
in-lb)

NOTE

If
the
striker
backup
plate
fafls
into
the
body
cavlty,
it
can
be
retrieved
after
removing
the
inside
trim
from
the
B-pillar
(door-post
pillar)
.

Tightening
Torque

"
Striker
plate
to
body
pillar
..........
28
Nm
(20
ft-lb)

LOCKING
ACTUATORS

Door
Locking
Actuator

The
front
door
lock
mechanism
and
actuator
are
shown
in
Fig
.
15
.
The
rear
door
lock
and
actuator
are
similar
.
The
lock
must
first
be
removed,
as
described
earlier,
to
replace
the
ac-
tuator
.

if
defective
.

LOCKING
ACTUATORS

Connections
to
door
handle

®
o

_



Attaching
pin
0

O~
Lock
mechanism

0012082

Fig
.
15
.
Front
door
lock
mechanism
and
related
parts
.
Rear
lock
mechanism
is
similar
.

Door
striker,
replacing



Luggage
compartment
locking
actuator,

removing
and
installing
The
door
striker
contains
an
electrical
contact
switch
.
If
the

switch
is
faulty,
the
striker
must
be
replaced
.
To
remove
the



1
.
Raise
trunk
lid
.
Remove
tool
kit
and
trunk
lid
trim
panel
.

striker,
remove
the
mounting
bolts
.
Disconnect
the
harness



See
Fig
.
16
.

connector
from
the
striker
.

0013162

Fig
.
16
.
Trunk
lid
trim
and
tool
kit
retainíng
screws
and
clips
(arrows)
.

2
.
Disconnect
actuating
rod
from
lock
.
See
Fig
.
17
.

3
.
lJnplug
two
wíring
connectors
from
actuator
.
See
Fig
.

18
.

NOTE
-

"
lf
just
one
of
the
centrallocking
drives
does
not
oper-



NOTE-

ate,
the
lockinglinkage
could
be
frozen
orstiff
enough



The
actuator
is
adjustable
.
Matchmark
the
attaching
to
prevent
actuatonof
the
drive
.
Try
remove
the
finte-



screws
before
removal
.

rior
doorpanel
and
lubricating
the
locking
linkage
as
the
first
step
.



4
.
Remove
actuator
attaching
screws
.
Pull
actuator
back-

"
The
actuator
is
not
serviceable
and
mustbe
replaced



wards
from
behind
metal
shield
to
remove
.

5
.
installation
is
reverse
of
removal
.
Align
actuator
screws
with
matchmarks
during
installation
.