motor mount BMW M3 1995 E36 Owner's Manual

515-8



CENTRAL
LOCKING
AND
ANTI-THEFT

Central
Body
Electronics
(ZKE
IV)



Electronic
Immobilization
System
(EWS)

Beginning
withvehicles
produced
9193
(model
year
1994),



The
electronic
anti-theft
system
known
as
EWS
was
first
in-

the
centrallocking
system
was
integrated
with
sunroof
and



troduced
in
January
1994
.
The
early
version
of
the
system

window
closure
into
the
Central
Body
Electronics
(ZKE
IV)



uses
a
starting
inhibition
module
to
interrupt
the
ignition,
the

(generation
four)
system
.
The
control
module
for
this
system



fuel
injection
and
the
starter
motor
.
This
system
is
activated

ís
mounted
in
front
of
the
glove
compartment
.



and
deactivated
by
the
centrallockíng
system
.
The
control

module
for
the
system
is
installed
under
the
left
side
of
the

Inthis
system
two
microswítches
are
operated
viathe
door



dashboard
.

lock
cylinder
at
both
front
doors
.
Turning
the
key
approximate-

ly
45°
(position
1)
operates
the
door
locking
microswitch
and



Startingwith
modeis
built
since
January
1995,
E36
cars

activates
the
alarm
system
.
Holding
the
key
in
thatposition



come
equipped
with
a
sophisticated
coded
electronic
immobi

also
closes
any
open
windows
and
the
sunroof
.



lization
system
called
EWS
II
.
Foraschematic
of
the
system,

refer
to
Fig
.
21
.

Turning
the
key
approximately
45°
in
the
opposite
direction

through
position
0
actuates
theunlocking
microswitch
and
de-

activates
the
alarm
system
(position
2)
.
See
Fig
.
20
.
NOTE
-

The
EWS
11
system
is
also
sometimes
referred
to
as
the

Driveaway
Protection
System
or
the
electronic
immobi-
lization
system
.

On
EWS
II
equipped
cars,
the
ignition
key
is
embedded
with

a
computer
chip
and
permanently
encoded
.
A
primary
code
is

programmed
into
the
keyand
finto
the
vehicle
itself
.
A
second-

ary
code
is
changed
every
time
the
vehicle
is
started
.
If
thekey

code
and
EWS
II
control
module
code
do
notmatch,
the
en-

gine
management
control
module
and
the
starter
are
dis-

abled
.
EWS
II
ignition
keyscannot
be
duplicated
.

The
system
is
designed
to
have
up
to
ten
keys
and
only
an

authorized
BMW
dealer
can
provide
replacement
keys
.
j
NOTE-
0011762a



ft
is
possible
to
damage
the
electronic
circuítry
in
the
Fig
.
20
.
ZKE
IV
door
lock
cylinder
positions
.



key,
rendering
if
unusable
.
In
that
case,
a
new
key

shouldbe
purchased
and
initialized
byan
authorized
BMW
dealer
.

LOCKING
SYSTEM
AND
ELECTRONIC
IMM081LIZATION

4
.
Rear
adjustment
:
Loosen
rear
adjusting
wedges
and
push
in
or
out
until
rear
of
sunroof
is
aligned
correctly
withroof-top
.
See
Fig
.
5
.

0013103
Fig
.
5
.



Adjust
rear
of
sunroof
by
loosening
nuts
1
and3
.
Push
adjust-
íng
wedges2
in
or
out
to
achieve
correctheight
.

NOTE-

"
Push
sunroofforward
before
retightening
wedge
fas-
teners
.

0013170

Fig
.
6
.



Adjust
front
of
sunroof
by
loosening
screw
(arrow)
.
Push
sun-
roof
up
or
down
to
achieve
correctheight
.

SUNROOF
540-
3

NOTE-

Use
Loctite®
270
or
an
equivalent
thread
sealing
com-
pound
when
reinstalling
theretaining
screws
.
Alterna-
tively,
install
new
screws
.

6
.
Open
sunroof
slightly
.
Rear
of
sunroofshould
be2
to
3
mm
below
surface
of
roof
.

7
.
Slide
sunroof
liner
slowly
and
carefully
forward
out
of
roof
cavity
as
far
as
possible
.

Sunroof
Height
Adjustment
Specifications

"
Rear
........
....
.
.
flush/1
mm
higher
than
roof
top
"
Front
...
..
.
....
..
.
..
flush/l
mm
lower
than
roof
top

Tightening
Torque

"
Front
orrear
adjusting
fasteners
...
...
6
Nm
(53
in-lb)

Sunroof
motor,
removing
and
installing
"
Use
Loctite®270
oran
equivalent
thread
sealing
com-
pound
when
reinstalling
the
retaining
fasteners
.
Alter-



The
sunroofshould
be
in
theclosed
posítion
before
remov-
natively,install
new
fasteners
.



ing
or
installing
the
sunroof
motor
.
If
necessary,
manually

5
.
Front
adjustment
:
Loosen
retaining
screws,
then
push



close
the
sunroof
panel
as
described
under
Sunroof
panel,

frontof
sunroof
panel
up
or
down
until
it
is
aligned
cor-
emergency
ciosing
.

rectly
with
roof-top
.
Retighten
screws
.
See
Fig
.
6
.



1
.
With
ignition
switch
off,
Rmove
access
panel
from
be-low
sunroof
motor
.
Refer
to
Fig
.
2
.

2
.
Remove
sunroof
motormountingscrews
.
See
Fig
.
7
.

0011825

Fig
.
7
.



Sunroof
motor
mountingscrews
(A
and
B)
.
Screw
at
A
is
longer
than
screws
at
B
.

SLIDE-TILT
SUNROOF

541-2



CONVERTIBLE
TOP

Fig
.
2
.



Manually
operated
frontlatch
.
Loosen
mounting
nuts
(A)
and
locknut
(B),
then
adjust
latch
height
with
hex-bolt
(C)
.
(Fully
automatic
front
latch
height
adjuster
is
similar
.)
Latch
tension

ís
adjusted
at
rod
ball-joint
end
(D)
.

Convertible
Top
Lid
Release
Mechanism

The
convertible
lid
release
handle
is
situated
in
the
trim

panel
behind
the
driver's
seat
.
To
remove
thehandle,
pull
its

plastic
insert
forward
and
remove
the
triminsert
.
The
handle
is

mounted
with
a
single
screw
.

Abowden
cable
is
routed
from
the
handle
to
the
left
lid
latch
.

Another
cable
is
routed
from
the
left
tothe
right
latch
inside
the

luggage
compartment
.
It
is
accessed
by
pulling
down
the
trim

lining
off
the
front
wall
of
the
compartment
.

Convertible
top
and
frame,
replacing

1
.
Open
convertible
top
partially
.
Open
convertible
top
lid
.



J
I~I~KX
Open
back
windows
.



_

v
2
.
Remove
fasteners
in
compartments
behind
door
posts

and
lift
out
complete
top
.
Count
number
of
shims
on

horizontal
mounting
bolts
.
See
Fig
.
3
.

3
.
Installation
is
reverse
of
removal
.
Be
sure
to
replaceU-
shaped
shims
on
horizontal
mounting
bolts
.
See
Fig
.
4
.

Fig
.
4
.



Horizontal
positioning
bolt(A)
and
U-shaped
adjusting
shims4
.
To
adjust
position
and
fit
oftop,
remove
or
add
U-



(B)for
convertible
top
.
One
of
two
main
mounting
nuts
(ar
shaped
shims
until
top
is
properly
aligned
.
Tighten
nuts



rows)
also
visible
.

and
screws
.

POWER
CONVERTIBLE
TOP

The
semi-automatic
top,
installed
in
1996
convertibles,

must
first
be
manually
released
from
the
visor
latch
plates
and
pushed
back
past
the
"tension
point,"
wheréupon,
the
auto-
matic
retracting
motor
and
linkage
take
over
and
pull
it
into
the
storage
compartment
behind
the
back
seat
.

POWER
CONVERTIBLE
TOP

Fig
.
3
.



Mounting
nuts
(A)
for
convertible
top
(two
oneach
side)
.
There
is
also
a
horizontal
bolt
with
spacers
oneach
side
(B)
.

0012754

The
fully
automatic
top,
standard
on
1997
and
later
convert-

ibles,
allows
complete
operation
of
the
top,
from
fully
open
to
fully
closed,withthe
push
of
atoggleswitch
on
the
console
.

The
top
switch
incorporates
a
"top
unlatched"
warning
LED
.

A
schematic
representation
of
the
fully
automatic
convert-
ible
top
is
shown
in
Fig
.
5
.

541-
4



CONVERTIBLE
TOP

Folding
roof

Frontlatches

Convertible
topframe

i

Lower
mounting
pata
Horizontal
positioning
~~-
bolt
Manual
front
8
e
latch



1
handle

~



O

Visor
latchplata

Fig
.
6
.



Mechanical
components
of
E36
convertible
top
.
Manual,
semi-automatic,
and
fully
automatic
tops
have
similar
mechanical
construction
.

NOTE-

The
electronic
circuits
used
to
controlconvertible
top
operation
arecomplex
.
Diagnosis
of
the
convertible
top
and
the
Rollover
Protection
System
are
beyond
the
scope
of
this
book
.
Your
authorized
BMW
dealer
has
the
proper
diagnostic
equipment
and
tools
to
carry
out
these
tasks
.

Front
Latching
Mechanism

A
close,
tight
fit
between
the
front
bow
of
the
convertible

roof
and
the
top
of
the
windshield
is
critical
for
preventing

moisture
and
wind
noise
from
intruding
into
the
passenger

compartment
.

Visor
Latch
Plate

The
left
and
right
visor
latch
plates
can
be
accessed
by
re-

moving
the
trim
and
moldings
aroundthe
sides
and
top
of
the
windshield
.
Each
latch
is
attached
to
thetop
of
the
windshield
using
three
bolts
.
Latch
position
is
adjusted
as
follows
:

"
Loosen
bolts

Latch
top

"
Align
top

"
Retighten
bolts
.
See
Fig
.
7
.

POWER
CONVERTIBLE
TOP

4
a

0012756

Visor
Latch

0012768

Fig
.
7
.



Visor
latchplate
is
heldto
top
of
windshieldwiththreebolts
(arrows)
.

The
semi-automatic
and
the
fully
automatic
top
front
latches

are
of
similar
design
.
For
the
automatic
latching
mechanism

an
additional
motor
has
been
installed
in
the
front
bow
of
the
convertible
top
.
This
releases
the
top
from
the
visor
latch

plates
and
pulís
it
back
far
enough
for
the
main
retracting
mechanism
to
complete
thejob
.

The
latches
and
the
motor
can
be
accessed
byremovingthe
front
cover
trim
from
the
convertible
top
.

The
left
latch
in
the
fully
automatic
version
hastwo
mi-
croswitches
(S7
and
S8)which
signal
open,
closed
and
latched
states
.
See
Fig
.
8
.

The
length
of
the
dead
center
point
rod
is
critica¡
lo
correct
opening
and
latching
of
the
convertible
top
.
See
Fig
.
9
.

Dead
Center
Point
Rod

"
Dimension
A
........
205
.5
f
1
mm
(8
.09
t0
.04
in)

Visor
Latch
Motor

The
fully
automatic
convertible
top
is
latched
and
unlatched
by
one
electric
motor
installed
in
the
front
roof
bow
.
To
re-
place,
remove
front
cover
trim
from
the
roof
.
Remove
electri-
cal
harness
connectors
from
motor,
andremove
mounting
screws
.
Slide
the
motor
off
the
output
shafts
to
the
left
and
right
latches
.

During
reinstallation,
theoutput
shafts
must
be
tumed
until
the
S8
microswitch
in
the
left
latch
is
tripped
.

Convertible
top
and
frame,
replacing

1
.
Open
convertible
top
partially
.
Open
convertible
top
lid
.



Fig
.
9
.



Preset
lengthof
dead
centerpoint
rod
.
Open
back
windows
.

2
.
Fully
automatic
power
convertible
top
:
Remove
front
cover
trim
from
top
.
Disconnect
electrical
harness
con-

nectors
from
frontlatch
motor
.
Disconnect
connectors

from
S7
and
S8
microswitches
at
left
latch
.

Motors
M1
Convertible
top
M2
Convertible
top
lid
M3Front
latch
(fully
automatic
top)

Microswitches
S1
&S2
In
convertible
top
motor
S3
In
convertible
top
storage
compartment
S4
In
top
linkage
(semi-automatic
only)
S5
In
luggage
compartment
latch
S6
In
right
convertible
top
lid
latch
S7&S8
In
left
conv
.
top
latch
(fully
automatic)

Fig
.
8
.



Locationof
automatic
and
semi-automatic
convertible
latch
mechanisms,
motors
and
microswitches
.

CONVERTIBLE
TOP



541-5

POWER
CONVERTIBLE
TOP

541-
6



CONVERTIBLE
TOP

3
.
Remove
headliner,
starting
from
front
and
working



7
.
Remove
fasteners
in
bottom
of
storage
compartments

backward
.
Note
arrangement
and
lacing
of
tensioning



behind
door
posts
and
lift
out
complete
top
.
Note
num

cable
so
it
can
be
reinstalled
in
its
original
configura-



ber
of
shims
on
horizontal
mounting
bolt
.
See
Fig
.
12
.

tion
.
See
Fig
.
10
.

0012748

Fig
.
10
.
Headliner
tensioning
cable
and
some
of
its
retaining
eyelets
(arrows)
.

4
.
Disconnect
electrical
harness
connector
from
S4
mi-

croswitch
in
middle
linkage
of
convertible
top
.

5
.
Disconnect
electric
motor
linkage
rods
in
convertible

top
storage
compartment
behind
left
rearseat
.
See
Fig
.

Vizib1

Fig
.
11
.
Convertible
top
linkage
rods(arrows)
in
compartment
behind
left
rear
seat
.

POWER
CONVERTIBLE
TOP

8
.
Installation
is
reverse
of
removal
.
Be
sure
to
replace
U-

shaped
shims
on
horizontal
mounting
bolts
.
See
Fig
.

13
.

0012754

Fig
.
13
.
Horizontalpositioning
bolt
(A)
and
U-shaped
adjusting
shims
(B)
for
convertible
top
.
One
of
two
main
mounting
nuts
(ar-
rows)
also
visible
.

6
.
Pull
electrical
harness
through
to
disengage
from
top
.



9
.
To
adjust
position
and
fit
oftop,
Rmove
or
add
U-
shaped
shims
until
top
is
properly
aligned
.
Tighten
nuts

and
screws
.

Convertible
top
drive
motor,
replacing



5
.
Working
in
convertible
top
storage
compartment
be-
hind
driver's
seat,
remove
convertible
top
linkage
rods
1
.
Open
convertible
top
partially,
stopping
when
convert-



from
top
of
motor
.
Refer
to
Fig
.
11
.
ible
top
lid
is
fully
upen
.
Remove
lid
.

2
.
Release
luggage
compartment
lock-out
by
pressing
on
microswitch
in
right
convertible
top
lid
latch
.
See
Fig
.

14
.

0012745

Fig
.
14
.
Rightside
convertible
top
lid
latch
.
Arrow
points
to
location
of
luggage
compartment
lock-out
microswitch
.

3
.
Open
luggage
compartment
.
Remove
trim
and
inner

lining
from
left
side
of
compartment
.

4
.
Disconnect
electrical
harness
connectors
at
top
motor
.

Release
emergency
release
cable
from
lever
.
Push
le-

ver
up
to
release
motor
.
See
Fig
.
15
.

uu12759

Fig
.
15
.
Convertible
top
motor
(A)
and
release
lever
(B)
in
luggage

compartment
.

CONVERTIBLE
TOP



541-
7

6
.
Remove
four
fastenersholding
motor
to
body
and
re-

move
motor
through
luggage
compartment
.
See
Fig
.

16
.

0012761

Fig
.
16
.
Convertible
top
motor
mountingscrews
(arrows)
.
Gasket
(A)
mustbe
renewed
when
motor
is
replaced
.

7
.
Installation
is
reverse
of
removal
.
Keep
the
following
in

mind
:

"
Replace
sealing
gasket
between
top
of
motor
and

body
.

"
Securemotormountingscrews
with
Locktite
®
270
or
equivalent
.

Tightening
Torque

"
Convertible
top
motor
to
body

mountingscrews
...
...
.
.
.........
10
Nm
(7
.5
ft-Ib)

Convertible
Top
Emergency
Operation

A
malfunction
in
the
electrical
system
or
another
fault
in
the

convertible
top
mechanism
can
cause
the
automatic
or
semi-
automatic
top
to
be
stuck
in
open,
shut,
or
intermediate
posi-

tion
.
The
following
general
procedures
are
suggested
in
order

to
close
the
top
in
an
emergency
situation
.
Resetting
proce-

dures
for
convertible
top
synchronization
after
emergency
clo-

sure
are
beyond
the
scope
of
this
manual
.

Main
Motor
.
To
release
thetop
linkage
from
the
motor,
lift

the
left
comer
of
the
rearseat
to
access
emergency
release

handle
.
See
Fig
.
17
.

POWER
CONVERTIBLE
TOP

Convertible
Top
Lid

The
components
of
the
convertible
top
lid
are
shown
in
Fig
.
20
.

Fig
.
20
.
Components
of
the
convertible
top
lid
.

ROLLOVER
PROTECTION
SYSTEM

The
lid
latches
are
cable
operated
by
a
drive
motor
located
in
the
left
sideof
the
luggagecompartment,
behind
the
trim
lin-

er
.
The
same
motor
is
used
to
raise
and
lower
the
lid
during

automatic
convertible
topoperation
.

The
latch
cables
must
be
adjusted
so
that
the
lidfits
snugly
against
the
body
when
locked
.

The
lid
drive
motor
can
be
removed
and
replaced
from
the

luggage
compartment
.

Two
spring-locaed
cassettes
are
mounted
behind
the
rear
seat
.
A
single
rollover
sensor,
mounted
on
the
left
cassette,
signals
the
convertible
top
module
(CVM)
of
animminent
roll-
over,
whereupon
the
module
triggers
both
cassettes
within

3j10th
of
a
second
.
See
Fig
.
21
.

Once
the
cars
ignition
has
been
switched
on,
the
rollover

sensor
performs
a
self-test
lasting
6
seconds
.
During
this
time

a
yellow
warning
light
is
lit
on
the
dashboard
.
If
thewarning
lightfails
to
go
out
after
6
seconds,
this
means
that
a
fault
has

been
detected
in
the
system
.
The
fault
is
stored
in
the
CM

Faults
canbe
retrieved
and
diagnosedby
special
diagnostic

equipment
.

NOTE-

Diagnosis
of
the
convertible
top
and
the
Rollover
Pro-
tection
System
are
beyond
the
scope
of
this
book
.
Your
authorized
BMW
dealer
has
the
proper
diagnostic
equipment
and
tools
to
carry
out
these
tasks
.

CONVERTIBLE
TOP



541-
9

Fig
.
21
.
Construction
of
the
rollover
protection
cassette
.

After
deployment,
thedetent
pawl
in
a
rollover
protection
cassette
can
be
retracted
using
the
special
tool
in
the
tool
kit,
fitted
to
the
screwdriver
handle
.
The
rear
seatheadrest
needs
to
be
raised
for
this
procedure
.

WARNING
-

Ensure
that
the
area
above
and
adjacent
to
the
roll-
over
bars
remains
clear
and
unobstructed
at
all
times
.

CAUTION-

"
Itis
not
possible
to
close
the
convertible
top
with
the
rollover
bars
extended
.

"
If
a
hardtop
is
mounted,
be
sure
to
install
the
pro-
tective
rollover
bar
covers
provided
with
the
hard-
top
to
prevent
damaglng
the
rear
window
in
case
of
deployment
.

0012744

ROLLOVER
PROTECTION
SYSTEM

0012531Fig
.
16
.
Engine
control
unit
(ECM)
compartment
cover
screws
(ar-
rows)
.

WIPERS
AND
WASHERS



611-
7

Fig
.
18
.
Wiper
assembly
electrical
plug
(arrow)
.

uu1zbs6

13
.
Cover
inside
edges
of
cowi
panelsheet
metal
with
thick
tape
to
prevent
damaging
it
during
wiper
assembly
re-
moval
.

14
.
Wrap
protective
tape
around
wiper
shaft
on
driver
side
to
prevent
damaging
sheet
metal
during
removal
.

15
.
Push
wiper
arm
shaft
down
into
cowiarea
and
maneu-
ver
wiper
assembly
outof
cowi
.

16
.
Installation
is
reverse
of
removal,
keeping
in
mind
:

"
Install
all
fasteners
finger
tight
first
.

"
Torque
topfasteners
in
sequence
indicated
in
Fig
.
17
.

Then
tighten
wiper
assembly
support
bolts
inside
air

plenum
.
"
Wire
tie
wiper
harness
lo
wiper
assembly
support
in-

side
plenum
.

"
Once
installed
;
wiper
motor
should
first
be
run
to
parked
position
and
switched
off
.

"
Next,
insta¡¡
wiper
arms
butnot
blades
.

"
Close
hood
and
fit
wiper
blades
:

"
Check
all
electrical
harness
fittings
and
sealing
grom-

mets
for
correct
reinstallation
.
Replace
al]
wire
ties
cut

during
removal
.

CAUTION-

The
gaskets
and
sealing
grommets
at
the
ECM
compartment
cover
(passenger
sideof
bulkhead)
must
be
installed
correctly
to
keep
moisture
out
of
critica¡
electrical
componente
.

Fig
.
17
.
Wiper
assembly
mounting
fasteners
(arrows)
.



Tightening
Torques

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

11
.
Remove
wiper
assembly
support
.
Refer
to
Fig
.
10
.



"
Wiper
support
to
wiper
assembly

or
to
body
.........
...
..........
10
Nm
(89
in-lb)

12
.
Separate
harness
at
bulkhead
connector
.
See
Fig
.
18
.



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

WINDSHIELD
WIPER
ASSEMBLY

611-
8



WIPERS
AND
WASHERS

Windshieldwiper
motor,
removing
and
in-

stalling

1
.
Disconnect
negative
(-)
cable
from
battery
.



8
.
Install
wiper
arm
crank
in
straight
line
with
linkage
.
See

Fig
.
20
.

CA
UTION-

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

"
Use
tendercover
to
protect
windshield
.

2
.
Remove
wiper
assembly
as
described
earlier
.

3
.
Remove
nut
on
wiper
motor
linkage
crank
and
remove

linkage
crank
from
motor
.
See
Fig
.
19
.

0012539

Fig
.
19
.
Wiper
linkage
crank
nut
(arrow)
and
wiper
motor
mounting
bolts
(A)
.

4
.
Unscrew
three
motor
to
assembly
mounting
bolts
and
remove
motor
.
Refer
to
Fig
.
19
.

5
.
Insta¡¡
new
motor
to
wiper
assembly
.
Do
not
insta¡¡

crank
.

6
.
Connect
motor
to
electrical
harness
.
If
necessary,
re-

connect
battery
temporarily
.

WINDSHIELD
WIPER
ASSEMBLY

7
.
Operate
motor,
then
turn
off
switch
.
Motor
will
stop
in

"park"
position
.

NOTE
-

When
installing
wiper
crank
onto
wiper
motor,
bracecrank
with
a
drift
pin
through
the
hole
on
crank
into
hole
onwiper
assembly
.

Fig
.
20
.
Align
wipercrank
with
linkage,
as
illustrated
.

9
.
Remainder
of
installation
is
reverse
of
removal
.

0012538

Tightening
Torques

"
Wiper
motor
to
wiper
assembly
(use
new
bolts)
.
..
..
10
Nm
(89
in-lb)

"
Wiper
motor
crank
to

wipermotor
(M8
nut)
......
..
.
...
.
27
Nm
(20
ft-Ib)