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
515-2
CENTRAL
LOCKING
AND
ANTI-THEFT
0013117
Fig
.
1
.
4-door
cars
:
Remove
lower
retaining
boltat
base
of
window
rear
guide
rail
and
pivot
rail
out
of
door
.
Fig
.
3
.
Front
door
lock
mounting
screws
(arrows)
.
uu11686
0012685
Fig
.
4
.
Pry
out
locklinkage
(A)
from
plastic
retainer
.
Lift
door
lock
mechanism
slightly
to
Rmove
latching
pin
from
lock
gate
(B)
.
Door
lock
mechanism
shown
removed
from
door
.
0013073
Fig
.
2
.
Inside
door
handle
retaining
screw
(A)
Unhook
linkage
from
handle
at
B
.
9
.
Installation
is
reverse
of
removal,
noting
the
following
:
DOOR
HANDLES
AND
LOCKS
"
Install
lock
mounting
bolts
with
Loctite
0
270
or
equiva-
lent
thread-locker
.
"
Reconnect
power
window
motor
harness
connector
.
"
Usenew
mounting
bolts
when
reinstalling
the
side-ím-
pact
airbag
to
the
door
(where
applicable)
.
"
Secure
wire
harnesses
with
wire
ties
.
"
Check
function
of
door
lock
and
window
mechanism
before
reinstalling
inner
door
panel
.
Tightening
Torques
"
Door
lock
to
door
......
.
..........
9
Nm
(80
in-lb)
"
Window
guide
to
door
........
.
...
10
Nm
(89
in-lb)
Front
door
handle,
removing
and
installing
1
.
Closedoor
window
completely
.
2
.
Remove
front
door
panel
and
vapor
barrier
asde-
scribed
in
411
Doors
.
WARNING
-
Some
1997
and
al]
1998
cars
are
fitted
with
side-im-
pact
airbags
in
the
front
doors
.
When
servicing
the
door
handles
on
cars
with
front
side-impact
airbags,
always
disconnect
the
negative
(-)
battery
terminal
.
See
721
Airbag
System
(SRS)
for
cautions
and
pro-
cedures
relatíng
to
the
airbag
system
.
3
.
On
carswíth
side-impact
airbags,
disconnect
negative
(-)
cable
from
battery,
then
remove
airbag
module
.
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
thís
manual
onpage
vi¡¡
.
NOTE-
In
some
models
covered
inthis
manual,
it
is
not
essen-
tial
to
remove
the
side-impact
airbag
to
access
internal
door
components
.
However,
the
procedure
is
recom-
mended
for
safety
reasons
.
4
.
Remove
door
lock
as
described
earlier
.
5
.
Remove
window
as
described
in
512
Door
Windows
.
CA
UTION-
On
models
with
side-impact
airbags,
removinglin-
stalling
the
front
window
requires
that
the
battery
cable
bereconnected
wíth
the
side-impact
airbag
disconnected
.
This
will
seta
fault
code
in
the
SRS
control
module,
turn
on
the
SRS
warning
light,
and
disable
the
SRS
system
until
the
fault
memo-
ry
is
cleared
usíng
special
SRS
test
equipment
.
6
.
Pry
out
access
plug
in
end
of
door
.
Use
screwdriver
through
access
hole
to
slide
exteriortrim
locking
plate
into
released
position
.
See
Fig
.
5
.
Remove
doorhandle
exterior
trim
piece
.
7
.
Working
inside
door,
remove
locking
clip
for
doorhan-
dle
retaining
pin
and
push
pin
out
.
8
.
Working
inside
door,
disconnect
electrical
harness
con-
nector
at
door
handle
.
Twist
plastic
connector
bracket
to
remove
from
door
handle
.
CENTRAL
LOCKING
AND
ANTI-THEFT
515-
3
0011681
Fig
.
5
.
Insert
screwdriver
into
access
hole
and
push
lockingplate
forward
(arrow)
to
release
exterior
handle
trim
.
uu11682
Fig
.
6
.
Door
handle
retaining
pin(A)
and
lock
collar
nut
(B)
.
Door
handle
trim
shown
removed
.
10
.
Remove
door
handle
fromdoor
by
angling
out
of
door
cavity
.
Removed
door
handle
assembly
is
shown
in
Fig
.
7
.
0012684
Fig
.
7
.
Door
handle
harnessconnector
(A)
;
retaining
pin
Iocking
clip
9
.
Working
at
door
exterior,
remove
handle
collar
nut
(B)
;
exterior
trim
Iocking
plate
(C)
.
Handleassembly
shown
re-
while
supporting
handle
.
See
Fig
.
6
.
moved
from
door
.
DOOR
HANDLES
AND
LOCKS
515-4
CENTRAL
LOCKING
AND
ANTI-THEFT
11
.
Installation
is
reverse
of
removal
.
Keep
in
mind
the
fol-
4
.
Remove
screws
mounting
bottom
of
window
rear
track
lowing
:
to
door
.
See
Fig
.
9
.
"
Make
sure
rubber
seal
for
handle
is
correctly
posi-
tionedbefore
tightening
mounting
fasteners
.
"
Install
exteriortrim
piece
and
then
use
a
hooked
tool
to
pull
locking
plate
into
locked
position
.
Make
sure
door
handle
trim
contacts
body
evenly
before
locking
trim
in
place
.
"
Use
new
mounting
bolts
when
reinstalling
the
side-im-
pactairbag
to
the
door(where
applicable)
.
Reset
SRS
warning
light
and
clear
SRS
fault
memory
using
spe-
cial
test
equipment
.
See
721
Airbag
System
(SRS)
.
"
Reconnect
al¡
harness
connectors
(including
power
window
motor)before
installing
door
panel
.
"
Secure
wire
harnesses
withwire
ties
.
"
Adjust
and
reinitialize
windows
.
See
512
Door
Win-
dows
.
Tightening
Torque
"
Collar
nut
to
doorhandle
..........
10
Nm
(89
in-lb)
1.
Remove
rear
door
panel
and
vapor
barrier
as
described
in
411
Doors
.
2
.
Remove
window
from
rear
dooras
described
in
512
Door
Windows
.
3
.
Disconnect
andremove
inside
door
handle
.
See
Fig
.
8
.
0013073
Fig
.
8
.
Inside
door
handle
retaining
screw
(A)
Unhook
linkage
from
handle
at
B
.
DOOR
HANDLES
AND
LOCKS
Fig
.
9
.
Rear
window
track
lower
fasteners
(arrows)
.
Reardoor
lock,
removing
and
installing
5
.
Remove
window
rear
track
top
screw
and
move
track
aside
.
See
Fig
.
10
.
Fig
.
10
.
Rear
window
track
top
screw
(arrow)
.
6
.
Remove
screw
from
lock
button
linkage
rod
retainer
.
Lift
rod
out
of
retaining
clip
.
See
Fig
.
11
.
7
.
Disconnect
door
lock
harnessconnector
.
8
.
Remove
door
lock
screws
.
See
Fig
.
12
.
0013085
9
.
Move
lock
upslightly
to
disengage
from
exterior
handle
linkage
.
Remove
lock
from
inside
door
.
0011688
Fig
.
11
.
Rear
door
lockbutton
linkage
rod
retainer
(A),
rod
retaining
clip
(B),
and
harness
connector
(C)
.
Fig
.
12
.
Rear
door
lock
mounting
screws
(arrows)
.
0011687
10
.
Installation
is
reverse
of
removal
.
Keep
in
mind
the
fol-
lowing
:
"
Insta¡¡
lock
mounting
boits
with
Loctite
©
270
or
equiva-
lentthread-locker
.
"
Reconnect
power
window
motorharness
connector
before
installing
door
panel
.
"
Secure
wire
harnesses
with
wire
ties
.
"
Adjust
window
as
described
in
512
Door
Windows
.
Tightening
Torque
"
Door
lock
to
door
.
...
.
..
..........
9
Nm
(80
in-lb)
CENTRAL
LOCKING
AND
ANTI-THEFT
515-5
Rear
door
handie,
removing
and
installing
1
.
Remove
rear
door
panel
and
vapor
barrier
as
described
in
411
Doors
.
2
.
Remove
window
from
rear
door
as
described
in
512
Door
Windows
.
3
.
Remove
door
lock
as
described
earlier
.
4
.
Pry
out
access
plug
in
end
of
door
.
Use
screwdriver
through
access
hole
to
slide
exterior
trim
locking
plate
into
released
position
.
See
Fig
.
13
.
Remove
doorhan-
dle
exterior
trim
piece
.
u
.]lbbl
Fig
.
13
.
Insert
screwdriver
into
access
hole
and
push
locking
plate
forward
(arrow)torelease
exterior
handle
trim
.
5
.
Remove
door
handle
mountingscrews
while
support-
ing
handle
.
See
Fig
.
14
.
Fig
.
14
.
Reardoor
handle
mounting
screws
(arrows)
.
0011684
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
.
515-10
CENTRAL
LOCKING
AND
ANTI-THEFT
EWS
II
control
module,
replacing
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
onpage
vüf
.
2
.
Remove
glove
compartment
as
described
in
513
Inte-
rior
Trim
.
3
.
Remove
EWS
II
control
module
harness
connector
.
Pull
module
out
of
bracket
.
See
Fig
.
22
.
NOTE-
The
EWS
11
module
should
be
identified
with
EWS
11
markings
.
4
.
Installation
is
reverse
of
removal
.
Ring
antenna,
replacing
4
.
Cut
off
wire
ties
holding
wiring
harness
to
steering
col-
umn
.
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION
-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnectioncautionsgiven
at
the
front
of
this
manualonpage
viii
.
2
.
Remove
lower
steering
column
cover
.
See
Fig
.
23
.
Transmitter/
receiver
Ring
r
module
antenna
Fig
.
22
.
Location
of
EWS
II
components
.
LOCKING
SYSTEM
AND
ELECTRONIC
IMMOBILIZATION
Fig
.
23
.
Steering
column
cover
retaining
screw
(arrow)
.
5
.
Gently
pry
off
ring
antenna
from
ignition
switch
.
7
.
Installation
is
reverse
of
removal
.
0012543
3
.
Remove
lower
left
dash
trim
panel
as
described
in
513
Interior
Trim
.
6
.
Unplug
ring
antennaharness
from
EWS
II
transmit-
ter/receiver
module
as
described
below
.
EWS
II
transmitterlreceiver
module,
replacing
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION-
Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
onpage
viii
.
2
.
Remove
lower
left
dash
trim
panel
and
knee
bolster
as
described
in
513
Interior
Trim
.
3
.
Unclip
auxiliary
relay
panel
under
steering
column
and
lower
it
to
access
relays
and
harness
connectors
.
See
Fig
.
24
.
Fig
.
24
.
Lowering
the
left
side
auxiliaryrelay
panel
.
CENTRAL
LOCKING
AND
ANTI-THEFT
515-11
0013164
4
.
Disconnect
harness
connector
from
transmitter/receiv-
er
module
.
Unclip
module
from
panel
.
See
Fig
.
25
.
5
.
Installation
is
reverse
of
removal
.
0
A
0013035
Fig
.
25
.
Position
of
EWS
II
transmitter/receiver
module
(A)
on
left
side
auxiliaryrelay
panel
.
LOCKING
SYSTEM
AND
ELECTRONIC
IMMOBILIZATION