rack BMW 328i 1997 E36 Owners Manual

10
.
Pul¡
heater
core
up
and
backward,
away
from
heater
box
.
If
necessary,
remove
left
and
right
reinforcing
bracket
bolts
.
See
Fig
.
20
.

CAUTION-

Replace
coolant
flange
O-rings
and
tighten
fas-
teners
to
specified
torques
.

Tightening
Torques

1
.
Remove
center
console
.
See
513
Interior
trim
.

0012660

Fig
.
20
.
PA
heater
core
upand
towardback
of
car
.
Lower
mounting
bolts
for
steering
column
brace
and
glove
compartment
sup-
port
frame
may
have
to
be
removed
(arrows)
.

11
.
Installation
is
reverse
of
removal
.
Fill
and
bleed
cooling

system
.
See
170
Radiator
and
Cooling
System
.

"
Coolant
flange
to
heater
core
.
..
....
3
Nm
(27
in-lb)



Heater
andA/C
Control
Head

Heatercore
temperature
sensor,
replacing

The
automatic
heating
and
air
conditioning
systemuses

severa¡
sensors
to
control
interior
air
temperature
.
Use
the
fol-

lowing
procedure
and
the
data
in
Table
b
to
pinpoint
problems

with
theheater
core
sensors
.

2
.
Remove
Multi-Information
Display
(MID)
module
.
See

6201nstruments
.

HEATING
AND
AIR
CONDITIONING



640-7

0012648

Fig
.
21
.
Remove
heatercore
temperaturesensors
in
direction
shown
(arrow)
.

Table
b
.
Heater
CoreTemperatureSensor
Test

Values

Test
temperature



Resistance

4°F
(-20°C)



84
.39
-
109
.61
k
ohms

14
°
F
(-10°C)



48
.58
-
62
.09
k
ohms

32°F
(0°C)



28
.89
-
36
.40
k
ohms

68°F
(20°C)



11
.13
-
13
.83
k
ohms

140°F
(60°C)



2
.19
-
2
.78
k
ohms

212°F
(100°C)



0
.58
-
0
.77
k
ohms

Two
types
of
heater
and
aír
conditioning
control
heads
viere
installed
in
E36
cars
.
Early
models
have
control
heads
with
four
rotary
knobs
and
a
separate
control
module
.
A
flexible

shaft,
clipped
to
the
right
sideof
the
control
head,
controls
the
heater
flaps
.

Later
model
E36
cars,
starting
in
approximately
mid-1995,

have
digital
display
control
heads
with
buttons
.
The
A/C
con-
trol
module
is
integrated
with
the
digital
control
head
.

Heater
and
A/C
control
head,

removing
and
installing
(rotary-knob)

3
.
Pul¡
temperature
sensors
from
heater
box
and
discon-



1
.
Remove
Multi-Information
Display
(MID)
module
from

nect
harness
connectors
.
See
Fig
.
21
.



center
of
dash
.
See
620
Instruments
.

4
.
Installation
is
reverse
of
removal
.



2
.
Pul¡
off
outer
rotary
knobs
from
A/C
control
head
.
Re-

move
two
screwsonknob
bezels
.
Remove
control
pan-

el
face
plate
by
prying
it
off
control
head
gently
.
See
Fig
.

22
.

3
.
Carefully
push
control
head
back
into
dash
and
down-

ward
through
MID
opening
.
See
Fig
.
23
.

HEATER
AND
CONTROLS

Fig
.
36
.
6-cylinder
engine
belt
diagram
:
To
remove
A/C
belt,
lever
ten-
sioner
(A)
in
clockwise
direction
using
long-handled
wrench
or
breaker-bar
.

6
.
Disconnect
electrical
harness
connector
from
com-
pressor
.

7
.
Remove
A/C
pressure
hose
and
suction
hose
flange



10
.
Before
recharging,
evacuate
system
for
at
least
30
min
.
bolts
from
compressor
.
Plug
hoses
immediately
See



Recharge
system
following
equipment
manufacturer's

Fig
.
37
.



instructions
.
See
Table
d
.
A/C
System
Refrigerant

Capacities
.

0011879

Fig
.
37
.
A/
C
compressor
pressure
hose
(A)
and
suction
hose
(B)
.
(6-
cylinder
engine
shown
.
4-cylinder
engine
is
similar
.)

HEATING
AND
AIR
CONDITIONING



640-
1
3

Fig
.
38
.
A/
C
compressor
mounting
boits
(arrows)
.

9
.
Installation
is
reverseof
removal
.

CAUTION
-

"
Always
replaceO-rings
when
reconnecting
re-
frigerantfines
.

"
When
installlng
a
new
compressor
always
re-
place
receiverldrier
unit
.

Tightening
Torques

"
A/C
compressor
to
engine
block
....
22
Nm
(17
ft-Ib)
"
A/C
line
flange
to
A/C
compressor
5/8
in
.
fine
.
......
.....
....
.
.....
20
Nm
(15
ft-Ib)

3/4
in
.
fine
.......
.....
..........
39
Nm
(29
ft-Ib)

7/8
in
.
fine
...
....
.....
..........
42
Nm
(31
ft-Ib)

11/16
in
.
fine
.....
..
..
..
...
.
.....
48
Nm
(35
ft-Ib)

A/C
Compressor
Clutch

The
compressor
clutch
can
be
replaced
without
disturbing

thesealed
refrigerant
system,
although
clearances
in
the
six-

cylinder
cars
may
be
very
tight
.
Detach
the
compressor
from

the
compressor
bracket
togain
extra
clearance
.

8
.
Remove
compressor
mounting
boits
.
See
Fig
.
38
.
Re-



Typical
A/C
compressor
and
clutch
is
shown
in
Fig
.
39
.
move
compressor
by
pulling
downward
from
under-

neath
car
.



Remove
driveplate
and
pulley
to
access
clutch
magnetic

winding
.
See
Fig
.
40
.

AIR
CONDITIONING

Rear
speaker,
removing
and
installing



Door
panel
speaker,

removing
and
installing

NOTE
-

Rear
speakers
in
convertible
models
are
installed
un-
der
the
rear
side
panels
.
For
rearside
panelremoval
procedure,
see
411Doors
.

1
.
Working
at
rear
parcel
shelf,
pry
speakercoverby
inner

edge
and
remove
.
See
Fig
.
12
.

0011632

Fig
.
12
.
Pry
up
inner
edge
of
speaker
cover
off
rear
parcel
shelf
.

2
.
Remove
mountingscrews
and
depress
speaker
retain-

ing
clip
.
See
Fig
.
13
.
Lower
speaker
into
trunk
.

Fig
.
13
.
Remove
screws
(A)
and
depress
clip
(B)
.

4
.
Installation
is
reverse
of
removal
.

0011633

3
.
Disconnect
speaker
connector
andremove
speaker

from
box
.

RAM
650-5

1.
On
carswith
side-impact
airbags,
disconnect
negative
(-)
cable
from
battery
.

CAUTION-

Prior
to
disconnecttog
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
vi¡¡
.

2
.
Remove
inner
door
panel
.
See
411
Doors
.

WARNING
-

Some
1997
and
all
1998
model
year
cars
are
equipped
with
front
side-impact
airbags
in
the
front
doors
.
When
servicing
the
doors
with
front
side-im-
pact
airbags,
alwaysdisconnect
the
negative
()
battery
terminal
.
See
721Airbag
System
(SRS)
for
cautions
and
procedures
relating
to
theairbag
sys-
tem
.

3
.
On
back
of
door
panel,
remove
nut
on
top
of
speaker
retaining
bracket
and
remove
bracket
from
behind

speaker
.
See
Fig
.
14
.

Fig
.
14
.
Speaker
retaining
nut
(arrow)
.

4
.
Disconnect
speaker
connector
from
harness
connector
and
remove
loudspeaker
forwardthrough
door
panel
.

5
.
Installation
is
reverse
of
removal
.
Install
side-impact

airbag
using
new
screws
.
See
721
Airbag
System

(SRS)
.

RADIO
AND
SPEAKER
SERVICE

720-2



SEAT
BELTS

WARNING
-

"
For
maximum
protection
from
injury,
seat
belts

should
be
replaced
as
a
set
(including
all
hard-

ware),
if
they
are
subject
to
occupant
loading
in
a

collision
.
"
Seat
belts
should
not
be
modified
or
repaired
.

The
seat
belt
anchorage
points
should
not
be

changed
or
modified
.

"
Do
notbleach
or
dye
seat
belt
webbing
.
Webbing
that
is
severely
fadedor
re-dyed
will
not
meet
the

strength
requirements
of
a
collision
and
must
be

replaced
.

"
Seat
belts
shouldbe
periodically
inspected
for
webbing
defects
suchas
cuts
or
pulled
threads
.

FRONT
SEATBELT
ASSEMBLY

Automatic
Front
Seat
Belt

Lock
Tensioners

The
procedure
for
disabling
the
mechanical
spring
tension-

er
used
on
early
cars
is
covered
below
.
On
cars
with
thepyro-
technic(explosive
device)
tensioners,
the
orange
harness

connectorshould
be
removed
from
the
tensioner
any
time
the

seat
is
removed
.

WARNING
-

Both
the
mechanical
and
the
pyrotechnictensioners
are
powerful
devíces
and
shouldbehandled
with
extreme
care
.

Mechanical
spring
tensioner,
disarming

1
.
Remove
front
seat
.
See
520
Seats
.

2
.
Disarm
tensioner-electrically
adjustableseats
:

"
Working
at
side
of
seat,
turn
activating/deactivating

screw
clockwise
until
display
changes
from
green
to

red
.
See
Fig
.
2
.

"
Before
reinstalling
seat,
turn
screw
until
display
chang-
esback
to
green
.

NOTE-

Green
is
armed
.
Red
is
disarmed
.

3
.
Disarm
tensioner-manually
adjustable
seats
:

"
Cut
wíre
tie
next
to
tab
on
bowden
cable
.
See
Fig
.
3
.

"
Turn
and
lift
tabto
disengage
cable
housing
from
seat
bracket
.

"
Disconnect
cable
end
from
seat
lever
.
"
When
reinstalling,
correctly
engage
tab
end
of
cable

into
seat
bracket
and
fasten
in
position
using
new
wíre

tie
.

FRONT
SEATBELT
ASSEMBLY

0012737

Fig
.
2
.



Electrically
adjustable
front
seat
.
Turn
screw
(A)
to
disarm
me-

chanical
tensioner
.
Display
B
tucos
from
green
to
red
.

F19
.3
.
Manuallyadjustablefrontseat
.Turnandlifttab(arrow)todis-

Front
seat
belt
reel,

removing
and
installing

1
.
On
4-door
models
:
Remove
seat
belt
anchor
bolt
from
front
seat
.
Refer
to
Fig
.
1
.

2
.
On
2-door
models
:
Remove
seat
belt
anchorbar
from
rear
of
door
sill
.
See
Fig
.
4
.

Fig
.
4
.



Two-door
seat
belt
anchor
bar
(arrow)
.

3
.
On
4-door
and
coupe
models
:
Remove
plastic
trim
cov-

er
from
B-pillar
(rear
door
jamb
pillar)
sliding
seat
belt

guide
.
Remove
nut
and
guide
loop
.
See
Fig
.
5
.

4
.
On
4-door
models
:
Starting
at
upper
corners,peel
rub-

ber
door
seals
away
from
B-pillar
trim
.
Remove
trim

from
B-pillar
.

5
.
On
2-door
models
:
Remove
reasside
panel
.
See
411

Doors
.

Fig
.
5
.



B-pillar
seat
belt
guide
nut
trim
(arrow)
.

SEAT
BELTS



720-
3

move
reel
and
seat
belt
.

9
.
Installation
is
reverse
of
removal
.

0012672
ou12a74

Fig
.
6
.



B-pillar
trim
removed
to
show
seat
belt
cross-bracket
bolts
(arrows)
.

8
.
Disconnect
harness
connector
from
reel
assembly
.
Re-
Tightening
Torque

6
.
Remove
two
bolts
holding
cross
bracket
to
B-pillar
.
See



"
Front
seat
belt
to
seat
Fig
.
6
.



(use
thread
locking
compound)
.
....
47
Nm
(35
ft-Ib)

"
Front
seat
belt
guide
loop
7
.
Remove
seat
belt
reel
mounting
boltat
base
ofB-pillar
.



to
B-pillar
sliding
anchor



.
..
.
.
.
....
31
Nm
(23
ft-Ib)

"
Front
seat
beltreeltoB-pillar
..
.
....
48
Nm
(36
ft-Ib)

FRONT
SEAT
BELT
ASSEMBLY

8
INDEX

Speakers
See
Radio
SRS
(Supplemental
restraint
system)
See
Airbag
system
(SRS)
Starter
See
Battery,
starter,
alternator
Steering
and
wheel
alignment
general
information
320-1
caster
and
camber
320-5
front
toe-in
and
toe
difference
angle
320-6
outer
tie
rod
end,
replacing
320-4
power
steering
pump,
removing/
installing
320-2
power
steering
system
320-2
power
steering
system,
bleeding/filling
320-3
rear
toe-in
320-6
steering
gear320-3
steering
gear
rack,
removing/installing
320-3
steering
wheel
320-1
steering
wheel,
removing/installing
320-1
tie
rod,
replacing
320-5
wheel
alignment
320-5
wheel
alignment
specifications
320-6
Steering
gear
See
steering
and
wheel
alignment
Strut
See
Front
suspension
Subframe
See
Front
suspension
Sunroof
general
information
540-1
motor,
removing/installing
540-3
panel,
adjusting
540-2
panel,
emergency
closing
540-2
Suspension,
front
See
Front
suspension
Suspension,
rear
See
Rear
suspension
Suspension,
steering
and
brakes
general
information
300-1
al¡
season
traction
(AST)
300-4
antilock
brake
system
(ABS)
300-2
brakes
300-2
front
suspension
300-1
integrated
systems
300-2
M3
suspension
and
brakes
300-7
steering
300-2
rear
suspension
300-2suspension
and
steering
troubleshooting
300-7
tires
and
wheels300-2

T

Switches
and
electrical
accessories
general
information
612-1
dome
light,
rear
map
lights,
trunk
light,
replacing
bulbs
612-7
hazard
warning
switch,
replacing
612-5
headlight
switch,
replacing
612-5
foglight
switch,
replacing
612-5
ignition
electrical
switch,
replacing
612-3
ignition
lock
cylinder,
replacing
612-4
ignition
switch
assembly
612-3
outside
mirror
switch,
replacing
612-6
power
window
switch,
replacing
612-5
turn
signal
switch
and
wiper
switch,
removing/installing
612-1
wiper
switch
See
turn
signal
and
wiper
switch

Taillight
See
Exterior
lighting
Thermostat
See
Cooling
system
Throttleposition
sensor
(TPS)
See
Fuel
injection
Throw-out
bearing
See
ClutchTierod
See
Steering
and
wheel
alignment
Tires
See
Suspension,
steering
and
brakes-general
See
also
Maintenance
program
Timing
chain
See
Camshaft
timing
chain
Toe-in

See
Steering
and
wheel
alignment
Tools
See
Fundamentals
for
the
do-it-
yourself
owner
Torque
convector
See
Automatic
transmission
Towing
See
Fundamentals
for
the
do-it-
yourself
owner
Traction
control
See
also
Suspension,
steering
and
brakes-general
Trailing
arm
See
Rear
suspension
Transmission-general
See
also
Automatic
transmission
See
also
Manual
transmission
general
information
200-1
automatic
transmission
200-1
manual
transmission
200-1
transmission
ID
codes
200-2
Transmission
fluid
See
Maintenance
program
See
also
Automatic
transmission
Transmission
input
shaft
See
Manual
transmission
Transmission
output
shaft
See
Manual
transmission

Trim,
interior
See
Interior
trim
Trunk
lid
general
information
412-1
trunk
lid,
412-1
trunk
lid,
aligning
412-1
trunk
lid,
removing/installing
412-1
trunk
lid
support
strut,
removing/
installing
412-2

U

Upholstery
See
Maintenance
program
U-joints
See
Driveshaft

V

V-belt
See
Maintenance
program
Vacuum
booster
See
Brakes
Vacuum
leaks
See
Engine-general
Valveguides
See
Cylinder
head
and
valvetrain
Valve
seals
See
Cylinder
head
and
valvetrain
Valveseats
See
Cylinder
head
and
valvetrain
Valves
See
Cylinder
head
and
valvetrain
Valvetrain
See
Cylinder
head
and
valvetrain
VANOS
(variable
valve
timing)
See
Camshaft
timing
chaín
See
also
Engine-general
Vehicle
identification
number
(VIN)
See
Fundamentals
for
the
do-it-
yourself
owner
Vehicle
speed
sensor
See
Instruments
Ventilation
See
Air
conditioning
See
also
Heating

Voltage
regulator
See
Battery,
starter,
alternator
Voltage
tests
See
Electrical
system-general

W

Warnings
vi¡
Washer
fluid
pump
See
Wipers
and
washers
Washers
See
Wipers
and
washers
Water
pump
See
Cooling
system
Waxing
See
Maintenance
program