harness BMW 318i 1997 E36 Manual Online

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

520-2



S
EATS

Fig
.
2
.



Frontseat
front
mounting
nut
(arrow)
.

FRONT
SEA
TS

0013166

5
.
On
2-door
cars
:
unhook
seat
belt
from
guide
on
seat

back
.

8
.
Remove
seatfrom
car
.

Fig
.
3
.



Seat
belt
mounting
bolt
(arrow)
.

0013216

9
.
Installation
is
reverse
of
removal
.
Keep
the
following
in

mind
:

6
.
Tilt
seat
back
to
access
and
unplug
electrical
harness



"
Use
wire
ties
orequivalent
means
to
keep
seat
har
connectors
.
Cut
or
untwist
wire
ties
as
necessary
.



ness
wiring
from
being
exposed
to
fraying
.
"
Reactivate
front
seat
belt
locks
.
7
.
On
4-door
cars
:
Unbolt
seat
belt
from
seat
frame
.
See



"
Start
all
seat
mounting
boits
.
Fig
.
3
.



"
Tighten
seat
mounting
fasteners
in
thís
sequence
:
in-
ner
front
;
outer
front
;
inner
rear,
outer
rear
.

Tightening
Torque

"
Front
seat
to
floor



........
.......
55
Nm
(41
ft-Ib)

520-
4
SEATS

Power
Front
Seat
Assembly
The
power
seat
in
E36
cars
is
shown
disassembled
in
Fig
.

5
.
Component,
actuator
and
drive
cable
replacement
is
possi-
ble
once
theseat
has
been
removed
from
the
vehicle
as
de-
scribed
earlier
.

FRONT
SEA
TS

Fig
.
5
.



Construction
of
power
front
seat
.

1
.



Backrest
frame



6
.



Lumbar
support
(to
9/94)



11
.
Seat
track
2
.



Seatframe



7
.



Vertical
adjustment
(rear)



12
.
Seat
tilt
motor3
.



Backrest
release
lever
(two-door)



8
.



Backrest
adjustment
gearbox



13
.
Tilt
motorgearbox4
.
Backrest
release
lever
cable



9
.
Backrest
adjustment
motor



14
.
Forward/backward
driveshafts
5
.
Lumbar
support
(from9/94)



10
.
Wiring
harness



15
.
Forward/backwardmotor