1997 BMW 318i Hood

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

WINDSHIELD
CLEANING
SYSTEM



Washer
f
luid
reservoir,
replacing

1
.
Open
hood
and
siphon
out
washer
fluid
reservoir
.
The
windshieldcleaning
system
includes
the
spray
nozzles

in
the
engine
hood,
the
washer
fluid
pump,
and
the
washer
flu-

id
reservoir
in
the
front
passenger
side
of
the
engine
compart-

ment
.

The
windshield
spray
nozzles
can
be
aimed
by
using
asew-

ing
need1e
or
a
similar
diameter
stiff
piece
of
wire
.

Windshield
spray
nozzle,

removing
and
installing

1
.
Open
hood
andremove
hood
insulating
pad
retaining
clips
until
bottom
of
nozzle
canbe
fully
accessed
.
See
410
Fenders,
Engine
Hood
.

2
.
Carefully
disconnect
hose
from
nozzle
.
Disconnect
har-

ness
connectors
for
nozzleheater
.

3
.
Push
nozzleout
of
hood
.
See
Fig
.
21
.

Fig
.
21
.
First
push
nozzle
forward
then
upward
from
underneath
hood
.

4
.
Installation
is
reverse
of
removal,
noting
the
following
:

"
Check
that
colors
of
harness
and
nozzle
connector

match
.

"
Check
and
adjust
nozzles
before
driving
.

WIPERSAND
WASHERS



611-
9

2
.
Remove
windshield
washer
pump
and
hose
as
de-

scribed
later
.

3
.
Remove
windshield
washer
fluid
level
sensor
as
de-

scribed
later
.

4
.
Remove
large
plastic
washer
reservoir
retainer
at
fend-

e
r
.

5
.
Remove
reservoir
.

6
.
Installation
is
reverse
of
removal,
noting
the
following
:

"
On
installation
check
that
washer
fluid
hose
is
not
kinked
.

"
Replacehose
clamp
.

Windshield
washer
fluid
pump,
replacing

The
windshield
washer
fluid
pump
ís
mounted
in
the
washer

fluid
reservoir
.

1
.
Open
hood
and
siphon
out
washer
fluid
reservoir
.

2
.
Depress
retaining
tabs
on
electrical
connector
and
un-

plug
harness
connector
from
pump
.

3
.
Loosen
hose
clamp
and
remove
washer
fluidline
from

washer
pump
.

4
.
PA
pump
out
of
tank
.
See
Fig
.
22
.

Fig
.
22
.
Pull
windshield
washer
pump
up
to
remove
(arrow)
.

5
.
Installation
is
reverse
of
removal
.
Check
pump
to
tank

sealing
grommet
for
damage
and
correct
fit
.
Replace

hose
clamp
.
Check
that
washer
fluid
hose
is
free
of

kinks
.

WINDSHIELD
CLEANING
SYSTEM

611-
1
0



WIPERS
AND
WASHERS

Washer
fluidleve¡
sensor,
replacing

(modeis
with
check
control)

The
washer
fluid
level
sensor
is
mounted
in
the
fluid
reser-

voir,
near
the
bottom
of
thecontainer
.

NOTE-

Check
wire
leads
at
sensor
for
worn
insulation
and
cor-
rosion
.
Check
electrical
contacts
in
harness
connector
for
corrosion
.

1
.
Open
hood
and
siphon
out
washer
fluid
reservoir
.

2
.
Lift
harness
connector
retaining
lever
and
unplug
har-

ness
connector
to
washer
fluid
level
sensor
.
See
Fig
.

23
.

3
.
Pul¡
fluid
leve¡
sensor
out
from
rubber
grommet
.

4
.
Install
new
sensor
into
reservoir
.
Check
sealing
grom-
met
for
correct
fit
.
Replace
if
damaged
.

WINDSHIELD
CLEANING
SYSTEM

FRONT
LIGHTING
.
...........
.
....
.
.
.
.
630-1

Headlight
buib,
replacing
............
.
.
.
.
630-1
Headlight
assembly,

removing
and
installing
.......
.
....
.
.
.
.
630-2

Foglight
assembly,
removing
and
installing
..
630-3

Front
turn
signal
assembly,
removing
and
installing
.....
.
.
.
........
630-4

GENERAL

The
headlight
and
foglight
assemblies
usehalogen
bulbs
.
To
ensure
the
longevity
of
halogen
bulbs,
the
bulb
glass
should
not
be
handied
.
Dirt
and
skin
oíls
may
cause
a
bulbto
fail
prematurely
.
If
necessarywipe
bulb
using
a
clean
cloth

dampened
with
rubbing
alcohol
.

NOTE-

Use
only
original
equipment
replacement
bulbs
.
Non-
original
equipment
bulbs
may
cause
false
failure
read-
ings
on
the
check
control
display
(where
applicable)
.

WARNING
-

INhenworking
on
electrical
systems,
remove
the
fuse
protecting
the
circuit
under
repair
.
See
610
Electrical
Component
Locations
.

FRONT
LIGHTING

Headlight
bulb,
replacing

1
.
Open
engine
hood
.

2
.
Working
in
back
of
headlight
assembly,grasp
rear
of

bulbsocket
(harnessconnector)
and
turn
counterclock-

wise
90°
.
Pull
bulb
out
of
headlight
assembly
.
See
Fig
.
1
.

3
.
Disconnect
harness
connector
from
bulb
.

CA
UTION-

Do
not
touch
halogen
bubs
with
yourbare
hands
.
If
necessary
wipe
bulb
using
a
clean
cloth
damp-

ened
with
rubbing
alcohol
.

630
Exterior
Lighting

EXTERIOR
LIGHTING



630-1

GENERAL
.
.
.
.
...
.
................
.
.
.
.
630-1



Side
Marker
Lights
.......
.
.
.
.
.
.......
.
..
630-4

REAR
LIGHTING
.
......
.
.
.
.
.
.
.
...
.
.
.
..
630-4

Taillight
Bulbs
..........
.
.
.
.
.
.....
.
.
.
.
.
630-4

Taillight
assembly,
removing
and
installing
.
.
.
630-5

CenterBrake
Light
.......
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
630-5

Center
brake
light
housing,
replacing

(4-door
and
coupe
models)
.
.
.
.
.......
.
.
.630-5

License
plate
light,
removingand
installing



.
.630-6

0012567

Fig
.1.



Torelease
bulbfrom
headlight
assembly,
rotate
socket
coun-
terclockwise
to
disengage
retaining
tabs
(arrows)
.
Right
side
bulb
is
shown
in
unlocked
position
.
Note
that
bottom
tab
A
is
wider
than
other
two
.

4
.
Installation
is
reverse
of
removal
.
Align
tabs
on
bulb

base
to
cutouts
on
rear
of
lens
assembly
.
Secure
bulb

by
rotating
clockwise
90°
.

Bulb
Applications

"
Low
beam
headlight
bulb
...
.
..
..
.........
H9006

"
High
beam
headlight
bulb
..
.
..
..
.........
H9005

FRONT
LIGHTING

630-2



EXTERIOR
LIGHTING

Headlight
assembly,

removing
and
installing

CAUTION-

Followingheadlight
assembly
work
headlight

beam
aim
must
be
adjusted
using
special
equip-
ment
.

1
.
Left
side
:
Remove
air
filter
housing,
air
intake
duct,
and

air
mass
meter
.
See
100
Engine-General
.

2
.
Disconnect
harness
connectors
from
headlight
bulbs
.

3
.
Remove
front
turn
signal
.
See
Front
turn
signal
as-

sembly,
removingand
installing
later
in
this
repair

group
.

4
.
Remove
radiator
cover
.
See
Fig
.
2
.

5
.
Using
a
wrench,
brace
adjusting
nut
at
top
center
of
headlight
.
Remove
three
screws
at
top
of
assembly
.

See
Fig
.
3
.

Fig
.
3
.



Brace
headlightadjustingnut
as
shown
and
remove
top
screws
(arrows)
.

FRONT
LIGHTING

0012568
0012569

6
.
Remove
two
screwson
bottom
of
assembly
.
See
Fig
.

4
.

0012567a

Fig
.
4
.



Headlight
bottom
retaining
screws
(arrows)
.
Screws
mount
in
threaded
expanding
rivets
which
act
as
headlightheight

adjusters
.

7
.
Remove
headlight
assembly
from
front
.

8
.
On
installation,
tighten
lower
screws
first
while
holding

expanding
rivets
with
a
wrench
.
There
should
be
a
2
.5

mm
gap
between
bottom
oflens
and
front
panel
.
Use

adjusting
nut
to
raise
or
lower
headlight
unit
.
See
Fig
.
5
.

0012681

Fig
.
5
.



Measure
gap
A
(2.5
mm)
between
bottom
of
headlight
as-
sembly
and
front
panel
.

9
.
Clearance
between
hood
and
headlight
cover
should
be
1
.5
mm
.
Adjust
by
turning
upper
headlight
adjustinq
nuts,
then
tighten
down
center
screw
.
See
Fig
.
6
.

4

Foglight
assembly,

removing
and
installing

1
.
Foglight
lens
release
catch
2
.
Foglight
lensrear
protective
cap
3
.
Foglight
bulb
4
.
Foglight
lens

Fig
.
7
.



Foglight
assembly
(removed)
.

0012682

Fig
.
6
.



Measure
gap
B
(1.5
mm)
between
front
of
hood
and
headlight
cover
.
Note
horizontal
headlightadjusting
nut
(1)
and
retaining
screw
(2)
.

The
following
procedure
covers
foglight
lens
and
foglight

buib
replacement
.
Foglight
components
are
shown
in
Fig
.
7
.

0012683

EXTERIOR
LIGHTING



630-
3

1
.
Insert
a
screwdriver
in
upper
air
duct
inlet
of
front
lower
valence
and
disengage
foglight
lens
catch
mechanism
.
Swing
light
outward
and
gently
disengage
hinged
end
.
See
Fig
.
8
.

Fig
.
8
.



Insert
screwdriver
in
upper
air
duct
inlet
.
uu¡¿biu

2
.
Remove
rear
protection
capand
disengage
steel
wire
foglight
bulb
clamp
.

3
.
Remove
bulb
from
rear
of
foglight
assembly
.
Discon-
nect
electrical
harness
from
foglight
bulb
.

CAUTION
-

Do
not
touch
halogen
bulbs
with
yourbare
hands
.
If
necessary
wipe
buib
using
a
clean
cloth
damp-ened
withrubbing
alcohol
.

4
.
Installation
is
reverse
of
removal
.
Check
electrical
con-nector
for
corrosion
.
Spray
with
contact
cleaner,
if
nec-
essary
.

Bulb
Application
(USA
Models)
:

"
Foglight
bulb



......
...
..
...
..........
Hl
(55w)

FRONT
LIGHTING

GENERAL

E36
cars
are
equipped
with
integrated
automatic
heating

and
air
conditioning
systems
.
Many
of
the
procedures
given
in

this
repair
group
require
that
the
A/C
refrigerant
charge
be

evacuated
using
specialized
equipment
.
See
A/C
System
Warningsand
Cautions
later
in
this
repair
group
.

HEATER
AND
CONTROLS

Blower
motor,
removing
and
installing

NOTE-

On
6-cylinder
cars,
the
plastic
top
enginecover
and
fuel
rail
covermustbe
removed
.
The
fuel
injectorhamess
re-
taining
screws
must
be
removed
and
the
harness
set
aside
.
The
engine
control
module
(ECM)
cover
must
be
removed,
the
control
unit
connectors
unplugged
and
the
harness
pulled
out
of
the
way
.
See
130
Fuel
Injection
.

1
.
Disconnect
negative
(-)
cable
from
battery
.

2
.
Open
hood
.
Unclip
engine
bulkhead
plenum
grille
at

base
of
windshíeld
and
remove
grille
.
See
Fig
.
1
.

HEATING
AND
AIR
CONDITIONING



640-1

640
Heating
and
Air
Conditioning

GENERAL
.
...
.
....
.
.
.
.
.
.
.
.
.
.......
.
.
.
640-1



Heater
andA/C
air
distribution
motor,

replacing(rotary-knob)
.
.
...
.
.
.
.......
.
640-10

HEATER
AND
CONTROLS
.
.....
.
.
.
.
.
.
.640-1



Rear
Window
Defogger
.
.
.



.
.
.
.
.
.
.
...
.
.
.
640-10
Blower
motor,
removing
and
installing
.
.
.
.
.
.
640-1



Rear
Window
Blower
(convertible
models)
.
.640-10

Blowermotor
resistor
pack,
replacing



.
.
.
.
.
.
640-3



AIR
CONDITIONING
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-11
Heater
valve,
replacing
...........
.
.
.
.
.
.
.
640-3

Heater
box,
removing
and
installing
.
.
.
.
.
.
.
.
640-4



A/CSystem
Warnings
and
Cautions
.
.
.
.
.
.
:640-11

Heater
core,
replacing
.....
.
.
:
....
.
.
.
.
.
.
.
640-6



A/C
compressor,
replacing
.
.
::.
:
:
.
.
.
.
.
.
.
.640-12

Heater
core
temperature
sensor,
replacing
.
.
640-7



A/C
Compressor
Clutch
.
.
.
.
.
.
.
:
.
.
.
.
.
.
.
.
.
640-13

Heater
andA/C
Control
Head
.
.
....
.
.....
.
640-7



A/C
condenser,
replacing
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-14

Heater
andA/C
control
head,
removing



A/C
receiver/drier,
replacing
.
.
.
.
.
.
.
.
.
.
.
.
.
640-15
and
installing
(rotary-knob)
.
.
....
.
......
640-7



A/C
expansion
valve,

Heater
andA/C
control
head,
removing



removing
and
installing
...
.
.....
.
.
.
.
.
.
.
640-16
and
installing
(digital-display)
.
.....
.
.....
640-8



A/C
evaporator,
removing
and
installing
.
.
..
640-17

Heater
andA/C
control
module,removing



A/C
evaporator
temperature
sensor,

and
installing
(rotary-knob)
.
.
...
.
.
.
.
.
.
.
.
640-8



replacing
.
.
.
.
.
.
..............
.
.
.
.
.
..
640-17

Heater
andA/C
control
module,removing



A/C
microfilter,
replacing
......
.
....
.
.
.
..
640-18

and
installing
(digital-display)
.
...
.
.
.
.
.
...
640-8

Sensor
fan
for
interior
temperature,



TABLES

replacing
.
.
.
....
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
640-9



a
.
Blower
Motor
Test
Values
.........
...
.
.
......
640-3

Heater
andA/C
AirDistribution
Motors
.
.
.
.
.
.
640-9



b
.
Heater
Core
Temperature
Sensor
Test
Values
...
.640-7

c
.
Evaporative
Temperature
Sensor
Test
Values
...
640-17

d
.
A/C
System
Fluid
Capacities
(total)
..
..........
640-18

0012527

Fig
.
1
.
Detach
grille
retaining
clips
(arrows)
and
pull
grille
upward
and
out
of
rubbergasket
.

CAUTION-

Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautionsgiven
at
the
front
of
this
manual
onpage
viii
.

HEATER
AND
CONTROLS

2
.
Using
special
hex
key,
turn
radio
mountingscrews

counterclockwise
to
loosen
.
See
Fig
.
4
.

0011845

Fig
.
4
.



Use
special
hexkey
or
Torx
driver
to
loosen/tighten
radio
mountingscrews
.

3
.
Pul¡
radio
out
of
instrument
panel
opening
.

4
.
Remove
connector(s)
from
rearof
radio
.
See
Fig
.
5
.

Fig
.
5
.



Radio
connector
being
removed
.

5
.
Installation
is
reverse
of
removal
.

0011846

Left
footweil
speaker,

removing
and
installing

Fig
.
6
.



Hood
release
lever
retaining
screw
(arrow)
.

RADIO
650-
3

1
.
Remove
screw
from
center
of
hood
latch
release
lever
.

Remove
lever
.
See
Fig
.
6
.

0012578

2
.
Rotate
plastic
trim
panel
retainer
1
/4
turn
.
Pul¡
off
door

sea¡
from
edge
of
speaker
cover
and
pull
speaker
trim

panel
back
toward
rear
of
car
.
See
Fig
.
7
.

0012579

Fig
.
7
.



Rotate
plastic
retainer
(black
arrow)
andremove
panel
in
di-

rection
shown
(white
arrows)
.

RADIO
AND
SPEAKER
SERVICE