1994 BMW 325i service

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
.

513-2



INTERIOR
TRim

DASHBOARD

Dashboard
removal
is
a
complex
operation,
involving
dis-

connection
and
dismantling
of
a
number
of
electrical
and
dash

structural
components
.

The
BMW
E36
is
equipped
with
SRS
airbags
mounted
in

the
steering
wheel,
in
the
dashboard
(1994
and
later)
on
the

passenger
side,
and
in
the
front
doors(1997
and
later)
.
Air-

bags
units
are
pyrotechnic
devices
and
should
be
treated
with

extreme
caution
.
Improper
handling
of
the
airbags
could

cause
serious
injury
.

WARNING
-

"
The
BMW
Supplemental
Restraint
System
(SRS)
is
complex
and
special
precautions
must
be
ob-
served
when
servicing
.
Serious
injury
may
result
if
system
service
is
attempted
by
persons
unfa-
miliar
with
the
BMW
SRS
and
its
approved
ser-vice
procedures
.
BMW
specifies
that
all
inspection
and
service
shouldbe
performed
byan
authorized
BMW
dealer
.

"
Beforeperforming
any
work
involving
the
steering
wheel
or
interior
trim
in
the
vicinity
of
the
airbags,
disconnect
the
negative
()
battery
cable
.
See
721
Airbag
System
(SRS)
.

"
SRS
contains
aback-up
power
supply
within
the
SRS
control
module
.
A
10
minute
díscharge
peri-
od
should
be
allowed
after
the
battery
cable
has
been
disconnected
.

Glove
compartment,
removing
and
installing

1.
Open
glove
compartment
door
.

2
.
Remove
glove
compartment
mounting
screws
.
See
Fig
.
2
.

3
.
Pull
glove
compartment
out,
disconnecting
electrical

harness
connectors
as
necessary
.

4
.
Installation
is
reverse
of
removal
.

DASH80ARD

Fig
.
2
.



Glove
compartment
mounting
screws
(arrows)
.

Lower
left
dash
panel,

removing
and
installing

0013107

1
.
Remove
lower
dash
panel
retaining
screws
.
See
Fig
.
3
.

0013155

Fig
.
3
.



Lower
left
dash
panel
retaining
screws
(arrows)
.

2
.
Pull
lower
dash
panel
left
and
back
to
disengagefrom
driver's
footwell
retaining
clips
.

3
.
Installation
is
reverse
of
removal
.

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
.

611-2



WIPERS
AND
WASHERS

5
.
Slide
new
insert
through
wiperblade
guides
.
Lock
in-

sert
m
place
at
end
gudes
.

.,
\



-
-



--



,



1
Wiper
arms,
removing
and
installing

Fig
.
1
.



Windshield
wiper
biade
retaining
tab
.
Press
in
on
tab
(arrow)
to
release
bfade
from
arm
.

4
.
Installation
is
reverse
of
removal
.
Instan
wiperblade
to
wiper
arm
until
retaining
tab
can
be
heard
toclickinto
position
.

Wiper
biade
inserts,
replacing

1
.
Remove
wiper
blade
as
described
earlier
.

2
.
Unhook
end
of
wiper
blade
insert
fromwiper
arm

guides
.
See
Fig
.
2
.

0011784
Fig
.
2
.



Unhook
wiperbiade
insert
from
wiper
arm
guide
.
If
necessary,
guide
slightly
usingneed1e
nose
pliers
.

3
.
Pull
old
insert
fromwiper
arm
guides,
noting
installation
position
.

4
.
Remove
metal
support
strips
from
old
insert
and
instan
intoslots
in
new
insert,
noting
installation
direction
of
cutouts
in
support
strips
.

GENERAL

NOTE
-

The
notched
cutouts
in
the
retaining
strips
should
en-
gage
the
molded
notches
in
the
inserts
.

NOTE-

On
2-door
models
it
may
be
necessary
to
raise
the
hood
to
the
service
position
.
See
410
Fenders,
Engine
Hood
.

CAUTION-

"
Use
fender
cover
to
protect
windshield
.

"
Remove
windshield
wiper
fuse
to
prevent
acci-
dents
.

1.
With
engine
hood
in
closed
position,
remove
both
wiper

blades
.

2
.
Open
hood
.
Remove
cap
covering
wiper
arm
retaining

nutsby
inserting
anarrow
screwdriver
biade
in
slot
be-
low
capand
prying
upward
.

NOTE
-

Marking
position
of
wiper
arm
on
shaft
will
aid
installa-tion
.

3
.
Using
a13
mm
socket,
remove
wiper
arm
retaining
nut

andremove
wiper
arm
.
See
Fig
.
3
.

Fig
.
3
.



Wiper
arm
retaining
nut
.
(arrow)
.
,

NOTE
-

ft
may
benecessary
to
gently
rock
wiper
arm
back
and
forth
to
loosen
arm
from
shaft
.

611-
4



WIPERS
AND
WASHERS

2
.
Remove
wiper
arms
as
described
earlier
.

3
.
Place
engine
hood
in
service
position
.
See
410
Fend-

ers,
Engine
Hood
.

4
.
Unclip
engine
bulkhead
plenum
grille
at
base
of
wind-

shield
and
pulí
it
away
from
rubbergasket
.
See
Fig
.
5
.

Fig
.
5
.



Detach
grill
clips
(arrows)
and
pull
upward
.

0012527

5
.
Remove
wiring
harness
retaining
clip
frombulkhead
in
rear
of
engine
bay
.
Remove
screws
retaining
wiring
harness
protective
cover
.
See
Fig
.
6
.

0012529

Fig
.
6
.



Engine
bulkhead
wiring
harness
cover
screws
(arrows)
.

WINDSHIELD
WIPER
ASSEMBLY

Fig
.
7
.



Right
side
plenum
retaining
screws
(arrows)
.

7
.
On
driver's
side
of
air
plenum,
push
aside
wiring
har-

ness
and
remove
screw
retaining
plenum
.
Pull
plenum

up
andremove
from
engine
compartment
.
See
Fig
.
8
.

001¿534

Fig
.
8
.



Remove
screw
at
A
and
pull
plenum
housing
upward
.

8
.
On
6-cylinder
models
:
Remove
plastic
top
engine
cov-
ers
.
See
110Engine
Removal
and
Installation
.

NOTE-

Cover
ínside
edges
of
cowlpanelsheet
metal
with
thick
tape
to
prevent
damage
during
wiper
assembly
remov-
al
.

9
.
Remove
large
nut
and
washer
at
base
of
wiper
arm

shafts
cowi
panel
.
See
Fig
.
9
.

10
.
Remove
wiper
assembly
support
.
See
Fig
.
10
.

6
.
On
passenger
side
of
air
plenum,
push
aside
wiring



11
.
Separateharness
at
bulkhead
connector
.
See
Fig
.
11
.

harness
and
remove
twoscrews
retaining
plenum
housing
.
See
Fig
.
7
.



12
.
Wrap
protective
tape
around
wiper
shaft
on
driver's
side
to
prevent
damaging
painted
metal
during
remov-
al
.

Fig
.
9
.



Wiper
shaft
nut
at
cowl
(arrow)
.

Fig
.
10
.
Wiper
assembly
support
bolts
(arrows)
.

0012533
0012535

Fig
.
11
.
Wiper
assembly
electrical
connector
(arrow)
.

0012536

13
.
Push
wiper
arm
shaft
down
into
cowl
area
and
maneu-

ver
wiper
assembly
out
of
cowl
.

WIPERS
AND
WASHERS



611-
5

14
.
Installation
is
reverse
of
removal,noting
the
following
:

"
Install
all
fasteners
finger-tight
first
.

"
Once
installed,
wiper
motor
should
first
be
run
to

parked
position
and
switched
off
.

"
Next,
instaf
wiper
arms
butnotblades
.

"
Close
hood
and
fit
wiper
blades
.

"
Check
all
electrical
harness
fittings
and
sealing
grom-

mets
for
correct
reinstallation
.
Replace
any
wire
ties

cut
off
during
removal
.

Tightening
Torques

"
Wiper
shaft
nut
at
cowl
.............
12
Nm
(9
ft-Ib)

"
Wiper
support
to
wiper
assembly

orto
body
..
..
..
.
...............
10
Nm
(89
in-lb)

"
Wiper
arm
to
wiper
shaft
..........
25
Nm
(18
ft-lb)

Windshieldwiper
assembly,
removing
and

installing
(2-door
modeis)

NOTE-

The
wiper
arms
should
be
in
the
parked
position
before
removing
the
wiper
assembly
.
To
avoid
damaging
the
wiper
arms
and
pivots,
donotmanually
sidde
or
force
the
wiper
arm
across
the
windshield
.

1
.
Disconnect
negative
(-)cablefrom
battery
.

CAUTION-

"
Prior
to
disconnectiog
the
battery,
read
the
bat-
tery
disconnection
cautionsgiven
at
the
front
of
this
manual
on
page
viii
.

"
Use
fendercover
to
protect
windshield
.

2
.
Remove
wiper
arms
as
described
earlier
.

3
.
Place
engine
hood
in
service
position
.
See410
Fend-

ers,
Engine
Hood
.

4
.
Remove
trim
retainers
at
left
and
right
side
and
remove

air
plenum
grill
.
See
Fig
.
12
.

5
.
Remove
screws
retaining
wiring
harness
protective

cover
.
See
Fig
.
13
.

6
.
On
passenger
side
of
air
plenum,push
aside
wiring

harness
and
remove
two
screws
retaining
plenum

housing
.
See
Fig
.
14
.

WINDSHIELD
WIPER
ASSEMBLY

612-4



SWITCHES
AND
ELECTRICAL
ACCESSORIES

Fig
.
6
.



Ignition
switch
set
screws
(arrows)
.

Ignition
lock
cylinder,
replacing

NOTE-

On
cars
with
EWS
11(production
date
1/95
and
later),
the
ring
antenna
surrounding
the
ignition
switch
must
be
removed
.
See
515
Central
Locking
and
Anti-theft
.

1
.
Insert
master
key
finto
lock
cylinder
and
turn
60°
to
"ra-
dio"
position
.
See
Fig
.
7
.

Fig
.
7
.



Turn
ignition
switch
60°
to
"radio"
position
(arrow)
.

2
.
Insert
a
thin
piece
of
stiff
wire
into
opening
in
lock
cylin-
der
and
pull
lockcylinder
out
.
See
Fig
.
8
.

NOTE-

On
early
cars
(up
to
production
date
1ol95),
turn
lock
cylinder
back
12°
to
release
.

INTERIOR
SWITCHES

0012555
0011807
0011808

Fig
.
8
.



With
ignition
key
in
"radio"position,
insert
stiff
wire
into
lock
opening
to
release
cylinder
.

Headlight
and
Foglight
Switch
Assembly

The
headlight
and
foglight
switches
are
retained
in
the
left

dashboard
insert
.
This
alsocontains
the
driver's
side
face
lev-

e¡
air
vents
.
To
service
either
switch,
remove
insert
byremov-
ing
a
single
screw
.
See
Fig
.
9
.

NOTE-

Access
to
electrical
hamess
connectors
behind
dash
insert
may
be
easier
if
lower
left
dash
trim
and
driverside
knee
bolsterare
removed
.
See
513
Interior
Trim
.

Fig
.
9
.



Remove
retaíning
screw
to
pull
out
left
dash
insert
(arrow)
.