airbag disable BMW 328i 1994 E36 Workshop Manual

130-
6



FUEL
INJECTION

Warnings
and
Cautions

For
personal
safety,
as
well
as
the
protection
of
sensitive

electronic
components,
the
following
warnings
and
cautions

should
be
adhered
to
when
working
on
the
engine
manage-

ment
system
.

GENERAL
WARNING
-

"
The
ignition
system
produces
high
voltages
that

can
be
fatal
.
Avoid
contact
with
exposed
termi-

nals
.
Use
extreme
caution
when
working
onacar
with
the
ignition
switched
on
or
the
engine
run-
ning
.

"
Do
not
touch
or
disconnect
any
high
voltage
ca-

bles
from
the
coils
or
spark
plugs
while
the
engine

is
running
or
beingcranked
by
the
starter
.

"
Connect
and
disconnect
the
DME
system
wiring
and
test
equipment
leads
only
when
the
ignition
is
switched
off
.

"
Gasoline
is
highly
flammable
and
fts
vaporsare

explosive
.
Do
not
smoke
or
work
on
a
car
near
heaters
or
other
fire
hazards
when
diagnosing
and
repalring
fuel
system
problems
.
Have
a
tire
extinguisher
avaílable
in
case
of
an
emergency
.

"
When
working
onan
open
fuel
system,
wear
suit-
able
hand
protection,
asprolonged
contact
wfth
fuel
can
cause
illnesses
and
skin
disorders
.

"
Renew
fuel
system
hoses,
clamps
and
O-rings
any
timethey
are
removed
.

"
Before
makingany
electrical
tests
that
require
the
engine
to
be
cranked
using
the
starter,
disable
the
ignition
system
as
described
in
120
Ignition
System
.

CAUTION-

"
Prior
to
disconnecting
the
battery,
read
the
bat-
tery
disconnectinn
cautions
given
at
the
front
of
this
manual
onpage
vifi
.

"
Do
not
connect
any
test
equipment
that
delivers

a
12-volt
power
supply
to
terminal
15
(+)
of
the
ig-

nitioncoil
.
The
current
flow
may
damage
the

ECM
.
In
general,
connect
test
equipment
only
as

speclfied
by
BMW,
this
manual,
or
the
equipment

maker
.

"
Only
use
a
digital
multlmeter
for
electrical
test
.

"
Only
use
an
LED
test
light
for
quick
tests
.

"
Disconnecting
the
battery
may
erase
fault

code(s)
stored
in
memory
.
Check
for
fault
codes

prior
to
disconnecting
the
battery
cables
.
ff
the

Check
Engine
light
ís
illuminated,
see100En-
gine-General
for
DME
fault
code
information
.
ff
any
other
system
faults
have
been
detected
(indi-
catedbyan
illuminated
warning
light),
see
an
au-
thorized
BMW
dealer
.
Additional
systems
with
self-diagnostic
capabilities
include,
ABS
(Anti-
lock
brakes),
SRS
(Airbags),
EML
and
ASC+T
and
AST
(Traction
Control)
.

"
Do
not
run
the
engine
wfth
any
of
the
spark
plug
wires
dlsconnected
.
Catalytic
converter
damage
may
result
.

"
Always
waitat
least
40
seconds
afterturning
off
the
ignition
before
removing
the
engine
control
module
(ECM)
connector
.
ff
the
connector
isre-
moved
before
this
time,
residual
power
in
the
sys-
tem
relay
may
damage
the
control
module
.

"
Cleanliness
is
essential
when
working
onan
open
fuel
system
.
Thoroughly
clean
fuel
line
con-
nections
and
surroundlng
areas
before
loosen-
ing
.
Avoid
moving
the
car
.
Only
fnstall
cleanparts
.

"
Fuel
system
cleaners
and
other
chemical
addi-
tives
other
than
those
specifically
recommended
by
BMW
may
damage
the
catalytic
converter,
the
oxygensensor
or
other
fuel
supply
components
.

512-2



DOOR
WINDOWS

WINDOW
SERVICE,

4-DOOR
MODELS

WARNING
-

When
servicing
the
door
wíndows,
theharness
con-
nector
to
the
window
regulator
shouldalways
be
disconnected
to
prevent
pinching
fingers
in
closing
window
.

NOTE-

If
the
battery
is
disconnected,
the
front
window
regula-

tor
motors
must
be
re-initialized
afterrepairs
are
car-ried
out
.
lf
the
window
motorsare
not
reinitialized,
the
programmed
one-touch
upldown
and
anti-pinchfunc-
tions
will
be
disabled
.
See
Front
door
window,
initial-
izing
.

Front
doorwindow,
removing
and
installing



0013061
(4-door
modeis)



Fig
.1.
Lift
off
window
sea¡
from
door
.
Note
metal
retainer
(arrow)
.
2-
door
car
shown
.
1
.
Lower
door
window
about
12
in
.
(300
mm)
.

2
.
Remove
front
door
panel
and
vapor
barrieras
de-
scribed
in
411
Doors
.

WARNING
-

"
Some
1997
and
all
1998
cars
are
fitted
wlth
side-
impact
airbags
in
the
front
doors
.
When
servicing
the
door
wíndows
on
cars
with
front
side-impact
airbags,
always
disconnect
the
negative
()
bat-
tery
cable
.
See
721Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
theairbag
sys-
tem
.

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

3
.
On
cars
with
side-impact
airbags,
disconnect
negative
(-)
cable
from
battery
.
Then
remove
airbag
unit
fromdoor
.
See
721
Airbag
System
(SRS)
.

5
.
Carefully
remove
window
innersea¡
and
pry
off
metal

retainers
under
sealing
lip
to
prevent
scratchingglass
.
See
Fig
.
1
.

6
.
Remove
retaining
clips
from
window
slides
.
See
Fig
.
2
.

WINDOW
SERVICE,
4-DOOR
MODELS

Fig
.
2
.



Retaining
clipsfor
window
slides
(arrows)
.

0011696

7
.
While
supporting
window
glass,
pry
window
lifting
arms

out
of
left
and
right
slides
.
See
Fig
.
3
.

NOTE-



8
.
Pivot
window
up
at
rear
and
out
of
door
.

In
some
modeis
covered
inthis
manual,
it
is
not
essen-
tial
to
remove
the
side-impact
airbag
to
access
internal



9
.
Installation
is
reverse
of
removal,
notingthe
following
:

door
components
.
However,
the
procedure
is
recom-



"
Usenew
mounting
bolts
when
reinstalling
the
side-im-
mended
forsafety
reasons
.



pactairbag
to
the
door(where
applicable)
.
See
721
Airbag
System
(SRS)
.
4
.
Disconnect
harness
connector
from
window
motor
to



"
Adjust
window
as
described
later
.
prevent
accidental
operation
.



"
Re-initialize
window
regulator
motorsas
described

earlier
.

0011697

Fig
.
3
.



Window
lifting
arms
shown
removed
from
slides
(arrows)
.

Front
door
window,
adjusting

(4-door
models)

Whenever
the
front
window
or
window
regulator
is
re-

moved,
window
adjustment
should
be
checked
.
The
glass

should
contact
the
top
of
the
window
squarely
and
should
seat

against
the
window
sea¡
uniformly
.

NOTE
-

If
the
window
does
not
contact
the
window
seal
uni-formly,
wind
noise
or
water
infiltration
may
result

Be
sure
to
re-initialize
the
window
motors
as
described
ear-

lier
.

WARNING
-

Some
1997and
all
1998
cars
are
fitted
wíthside-im-

pact
airbags
in
the
front
doors
.
When
servicing
the
door
windows
on
cars
with
front
side-impact
air-

bags,
always
disconnect
the
negative
()
battery

cable
.
See
721Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
the
airbag
system
.

CA
UTION-

"
In
models
with
side-impact
airbags,
adjusting
the
front
window
requires
that
the
battery
cable
bereconnected
with
the
side-impact
airbag
discon-

nected
.
This
will
set
a
fault
code
in
the
SRS
con-

trol
module,
turn
on
the
SRS
warning
light,
and
disable
the
SRS
system
until
the
fault
memory
is
cleared
using
special
SRS
test
equipment
.

"
Prior
to
disconnectiog
the
battery,
read
the
bat-tery
disconnection
cautions
given
at
the
front
of

this
manual
on
page
viii
.

1
.
Raise
door
window
to
top
of
its
travel
.

DOOR
WINDOWS
512-
3

3
.
Remove
front
door
panel
and
vapor
barrier
as
de-
scribed
in
411
Doors
.

4
.
Remove
airbag
unit
from
door
.
See
721Airbag
Sys-
tem
(SRS)
.

NOTE-

In
some
models
covered
inthis
manual,
it
is
not
essen-
tial
to
remove
the
side-impact
airbag
to
access
interna¡
door
components
.
However,
the
procedure
is
recom-
mended
for
safety
reasons
.

5
.
Loosen
regulator
stop
at
window
regulator
support
.

See
Fig
.
4
.

Fig
.
4
.



Wíndow
regulator
stop
(arrow)
.

0013075

6
.
If
glass
is
not
squarely
positioned
in
window
frame,

loosen
support
arm
bolt
and
reposition
arm
as
neces-

sary
.
Tighten
bolt
.
See
Fig
.
5
.

2
.
On
cars
with
side-impact
airbags,
disconnect
negative

(-)
cable
from
battery
.



Fig
.
5
.



Adjust
window
to
its
frameby
loosening
bolt
(arrow)
and
re-

positioning
support
arm
up
or
down
.

WINDOW
SERVICE,
4-DOOR
MODELS

3
.
Remove
guide
rail
screw
at
top
and
move
rail
aside
enough
to
slide
glass
forward
and
out
of
door
frame
.

See
Fig
.
8
.

4
.
Installation
is
reverse
of
removal
.

WINDOW
SERVICE,

2-DOOR
MODELS

WARNING
-

When
servicing
the
door
windows,
the
hamess
con-
nector
to
the
window
regulator
shouldalwaysbe
disconnectod
to
prevent
pinching
fingers
in
closing
window
.

2-door
models
are
equipped
with
the
"close
with
door
shut"

feature
.
In
this
rriode,
the
window
glass
moves
down
slightly

when
the
door
latch
is
activated,
then
goes
up
tightly
against

the
weather-strip
when
the
door
is
fully
closed
.

Front
door
window,
removing
and

installing
(2-door
models)

WARIWNG
-

Some
1997and
a111998
cars
are
fitted
with
side-im-

pact
airbags
in
the
front
doors
.
When
servicing
the
front
windows
on
cars
with
front
side-impact
air-
bags,
always
disconnect
the
negative
(-)
battery
cable
.
See
721
Airbag
System(SRS)
for
cautions

and
procedures
relating
to
the
airbag
system
.

DOOR
WINDOWs
512-
5

CAUTION-

"In
models
with
side-impact
airbags,
removing
the
front
window
requires
fhat
the
battery
cable
be
reconnected
with
the
side-impact
airbag
dis-
connected
.
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
mem-
ory
is
cleared
using
special
SRS
test
equipment
.

"
Removing
the
front
window
will
upset
the
adjust-
ment
and
alignment
of
the
window
.
Window
ad-justment,
as
described
later,
must
be
carried
out
after
installation
to
prevent
damaging
the
glass
.

1.
On
carswith
side-impact
airbags,
disconnect
negative

(-)
cable
from
battery
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
viii
.

Fig
.
8
.



Remove
guide
rail
screw
(A)
and
move
rail
aside
.



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

Doors
.

3
.
Where
applicable,
remove
side-impact
airbag
from

door
.
See
721
Airbag
System
(SRS)
.

NOTE-

In
some
models
covered
in
this
manual,
it
is
notessen-
tial
to
remove
the
side-impact
airbag
lo
access
intemal
door
components
.
However,
the
procedure
is
recom-
mended
for
safety
reasons
.

4
.
Pull
off
exterior
doormolding
.
See
510
Exterior
Trim,

Bumpers
.

5
.
Lower
door
window
completely
If
necessary,
tempo-

rarily
reconnect
battery
cable
.

6
.
Lift
up
and
remove
window
innersealing
lip
.
Remove
all

metal
retainers
under
sealing
lip
.
See
Fig
.
9
.

NOTE
-

The
front
window
regulator
motors
must
be
re-initial-



7
.
Raise
window
to
about10
in
.
(250
mm)
.
If
necessary,

ized
after
repairs
are
carried
out
.
If
the
window
motors



temporarily
reconnect
battery
cable
.
Remove
guide

arenot
reinitialized,
the
programmed
one-touch



bracket
mounting
nuts
and
remove
bracket
.
See
Fig
.
up/down
and
anti-pinch
functions
will
be
disabled
.
See



10,

Front
doorwindow,
initializing
.

8
.
Lower
window
about
4'/2
in
.
(110mm)
.
If
necessary,
tem-

porarily
reconnect
batterycable
.
Working
through
bore

hole
in
door
exterior,
remove
lower
guide
bracket

through-bolt
from
glass
.
See
Fig
.
11
.

9
.
Lower
window
about
2'/2
in
.
(65
mm)
.
If
necessary,
tem-

porarily
reconnect
battery
cable
.
Repeat
step
8
to
re-

move
upper
through-bolt
from
guide
bracket
.

10
.
Raise
window
to
about
7
1
/2in
.
(190
mm)
from
top
.
If
nec-

essary,
temporarily
reconnect
batterycable
.
Remove

window
rear
limit
stop
bracket
.
See
Fig
.
12
.

WINDOW
SERVICE,
2-DOOR
MODELS

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

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