1993 BMW M3 Workshop Manual

Fig
.
13
.
Lifting
arm
retaining
clips
(arrows)
at
window
slides
.

12
.
Tip
window
so
rear
ofglass
is
up
out
of
door
.
While
sup-
porting
window,
remove
window
front
limit
stopbracket
.
See
Fig
.
14
.

0013067

Fig
.
14
.
With
window
glass
shown
partially
tipped
out
of
door,
remove
bolt
A
and
loosen
bolt
B
in
order
to
remove
front
window
limit
stop
bracket
.

13
.
Take
glass
fully
out
of
door
.

14
.
Installation
is
reverse
of
removal,notingthe
following
:

"
Guide
front
of
window
into
front
guide
rail
and
rest
it

therewhile
installing
front
window
limit
stop
bracket
.
"
When
installing
window
rear
guide
bracket,
tighten

countersunk
screws
in
glass
first
(throughoutside
of

door),
then
install
guide
rail
bracket
.

"
Insert
rubber
sea¡
at
top
of
door
correctly
See
Fig
.
15
.

"
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)
.

"
Adjust
window
as
described
later
.

"
Re-inítialize
window
regulator
motors
as
described

earlier
.

DOOR
WINDOWS



512-
7

Fig
.
15
.
Correct
installation
of
door
toprubber
seal
.

Tightening
Torques

"
Rear
guide
bracket
to
window
.......
6
Nm
(53
in-lb)

"
Rear
guide
bracket

to
roller
guide
..
.
...
...............
9
Nm
(7
ft-Ib)

Front
door
window,
adjusting

(2-door
modeis)

The
"closewith
door
shut"
feature
of
2-door
cars,
as
well
as

the
frameless
window,
makeswindow
adjustment
critical
:

WARNING
-

"
Some
1997
and
afl
1998
2-door
cars
are
fitted
with
side-impact
airbags
in
the
front
doors
.
When
ser-
vicingthe
door
windows
on
cars
with
front
side-im-
pact
airbags,
always
disconnect
the
negative
(-)
battery
cable
.
See
721Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
the
airbag
sys-
tem
.

"
Adjusting
the
front
window
requires
that
the
bat-
tery
cable
be
reconnected
with
the
side-impact
airbag
disconnected
.
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
memory
is
cleared
using
special
SRS
test
equip-
ment
.

"
There
is
risk
of
window
glass
breakage
if
correct
adjustment
proceduresare
not
used
.
If
in
doubt,
this
procedureshouldbe
left
to
a
trained
BMW
technician
.

WINDOW
SERVICE,
2-DOOR
MODELS

512-
8



DOOR
WINDOWS

NOTE-

To
achieve
an
accurate
window
adjustment
in
2-door
models
with
"close
with
door
shut"
feature,
simulate
a
closed
dooras
follows
:
On
early
cars,
manually
turn
the

latch
on
the
door
to
the
closed
position
.
See
Fig
.
16
.
On

latercars,
insert
a
wedge
of
wood
into
the
striker
on
the

body
to
close
the
striker
switch
.
Be
sure
to
open
thero-
tary
latch
(by
pulling
upon
the
door
handle)
or
remove
the
wedge
before
closing
the
door
.

0013066

Fig
.
16
.
To
manually
close
door
latch,
push
rotary
latch
in
direction
of
arrow
.

CAUTION-

Do
not
close
the
door
with
therotary
latch
in

closed
position,
orwith
a
wedge
in
the
striker
.

WINDOW
SERVICE,
2-DOOR
MODELS

A
Window
insertion
depth
at
A-pillar
B
B-pillar
preload
gap
(measure
gap
at
20
mm
from
top
of
door)
C
Window
insertion
depth
at
roof
line/window
parallelism
(make
measurement
at
3
.5
in
.
and
16
in
.
from
B-pillar
edge)

Fig
.
17
.
2-door
window
adjustment
positions
.

NOTE-

In"



some
models
covered
inthis
manual,
it
is
not
es-

sential
to
remove
the
side-impact
airbag
to
access
in-
terna¡
door
components
.
However,
the
procedure
is
recommended
for
safety
reasons
.

"
After
each
adjustment
step,
fully
lower
and
raise
win-
dow
and
check
adjustment
before
goingon
to
the
next

step
.

"
1f
parts
of
the
front
window
mechanism
were
replaced,

make
sure
initial
adjustments
are
in
the
center
of
their
travel
range
.
Once
the
glass
isinstalled,
position
glass
to
the
rear
guide
rail
as
shown
in
Fig
.
18
.

4
.
To
set
window
preload
B
(See
Fig
.
1
g
.):

0013076

When
making
adjustments
to
the
front
door
window,
see



"
Measure
up
20
mm
(0
.75
in
.)
from
topof
door
and

Fig
.
17
.



mark
position
on
glass
.

"
Close
door
just
until
top
of
glass
contacts
seal
.
1
.
On
cars
with
side-impact
airbags,
disconnect
negative



"
Measure
gap
between
glass
(at
20
mm
mark)
and
win-

(-)
cable
from
battery
.



dow
seal
.

"
If
adjustment
is
necessary,
move
bottom
of
window

CAUTION-



guide
inor
out
to
correct
.
See
Fig
.
20
.

Prior
to
disconnecting
the
battery,
read
the
battery



"
If
further
adjustment
is
needed,
move
bottom
ofwin-

disconnection
cautionsgiven
at
the
front
of
this



dow
in
or
out
by
sliding
guide
bracket
.
Refer
to
Fig
.
18
.

manual
on
page
viii
.

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



Preload
Gap

Doors
.



"
B
(Referto
Fig
.
1
g
.)

Coupe
......................
.
.
.8
mm
(0
.32
in
.)

3
.
Where
applicable,



remove
side-impact
airbag
from



Convertible
..................
.
..
3
mm
(0
.12
in
.)

door
.
See
721
Airbag
System
(SRS)
.

5tud

center

Window
glass

surface

Fig
.
18
.
Rear
guide
rail
to
rear
guide
bracket
initial
adjustment
.
Top
should
be
setat
30
mm
(1
.2
in
.)
from
glass
to
studcenter
;
bottom
should
be
set
at
34
mm
(1
.3
in
.)
from
glass
to
stud
center
.

Preload
B

Coupe
:
8
mm

Convertible
:
3
mm

0013081

Fig
.
19
.
With
top
of
glassagainst
door
sea¡(top
arrow),
measure
pre-load
B
at
20
mm
(0
.75
in
.)
above
top
of
door
.

DOOR
WINDOWS



512-
9

0013153
Fig
.
20
.
Rear
guide
rail
lower
mounting
bolts
in
bottom
of
door
(ar-
rows)
.

5
.
To
set
insertion
depth
A
(Referto
Fig
.
17
.)
:

"
Lowerwindow
about
10
in
.
t
o
access
window
bracket
at
rear
guide
.
If
necessary,
temporarily
reconnect
bat-
tery
cable
.

"
Loosen
guide
rail
bracket
and/or
rear
guide
rail
mount-

ing
bolts
and
reposition
window
left
to
right
.
See
Fig
.

21
.
orFig
.
22
.

"
Fully
close
and
align
window
.
Check
that
glass
enters
window
sea¡
to
the
specification
listed
.
"
When
adjustment
is
correct,
tighten
loosened
fasten-
ers
.

0013079

Fig
.
21
.
Loosen
nuts
on
rear
guide
bracket
(arrows)
and
reposition
glass
fore/aft
.
Holes
in
bracket
areelongated
to
allow
for
small
amounts
of
adjustment
.

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
.

Fig
.
31
.
Inside
door
handle
.
Remove
screw
A,then
unhook
from
rod
B
.

7
.
Unbolt
power
window
motor
from
rear
of
regulator
.

NOTE-

Some
of
the
window
regulators
are
mounted
to
the
doors
with
rivets
.
The
rivets
must
be
drilled
out
.
During
installation,
M6
x
10
bolts
and
self-locking
nuts
can
be
substituted
.

8
.
Installation
is
reverse
of
removal
.

0013073

"
Adjust
door
window
as
described
earlier
.
"
Re-initialize
window
regulators
as
described
earlier
.

Tightening
Torques

"
Window
regulator
to
door
............
9
Nm
(7
ft-Ib)
"
Window
motor
to
regulator
...........
5
Nm
(4
ft-Ib)