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)
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
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
640-2
HEATING
AND
AIR
CONDITIONING
3
.
Remove
wiring
harness
retaining
clip
at
bulkhead
.
Re-
move
screws
retaining
wiring
harness
cover
and
pull
cover
forward
.
See
Fig
.
2
.
0012529
Fig
.
2
.
Ming
harness
cover
screws
at
base
ofwindshield
(arrows)
.
4
.
On
passenger
side,
push
aside
wiring
harness
and
re-
move
two
screws
retaining
plenum
housing
.
See
Fig
.
3
.
Fig
.
3
.
Ríghtside
plenum
retaining
screws
(arrows)
.
VU1L535
5
.
On
driverside,
push
aside
wiring
harness
and
remove
screw
retaining
plenum
.
Pull
plenum
up
and
remove
from
engine
bay
.
See
Fig
.
4
.
6
.
Unclip
blower
motor
housing
cover,
disconnect
control
cable,
and
turn
center
retainer
1
/4
turn
to
remove
cover
.
See
Fig
.
5
.
7
.
Disconnect
electrical
connectors
from
blower
motor
.
8
.
Remove
left
upper
section
of
blower
housingby
detach-
ing
spring
clipsat
edge
of
housing
.
See
Fig
.
6
.
HEATER
AND
CONTROLS
Fig
.
4
.
Remove
screw
at
A
and
pull
air
plenumupward
.
0012534
0012636
Fig
.
5
.
Blower
motor
housing
clips
(A)
;
control
cable
(B)
;
and
center
retainer(C)
.
i
[u6,
Fig
.
6
.
Spring
clips
(arrows)
on
driver
sideof
blower
housing
.
6
INDEX
Ignition
system
general
information
120-1basictroubleshooting
principies
120-3camshaft
position
(CMP)
sensor
120-
6
camshaft
positíon
(CMP)
sensor,
replacing
(4-cylinder
engine)
120-6camshaft
position
(CMP)
sensor,
replacing
(6-cylinder
engines)
120-7
checking
for
spark
120-3
crankshaftposition/rpm
sensor
120-5
crankshaft
position/rpm
sensor,
testing/replacing
(front
mounted
sensor)
120-6
crankshaft
positíon/rpm
sensor,
testing
(rear
mounted
sensor)
120-6
disabling
ignition
system120-2
ignition
coil,
testing
and
replacing
(4-
cylinder
engines)
120-3
ignition
coil,
testing
and
replacing
(6-
cylinder
engines)
120-4
ignítion
firing
order
120-7
ignition
system
diagnostics
120-3
ignition
system
schematics
120-7
ignition
system
service
120-3knock
sensors,
replacing
120-7warnings
and
cautions
120-2
Inspectíon
I
and
Inspection
II
See
Maintenanceprogram
Instrumentpanel
See
interior
trim
Instruments
general
information
620-1
instrument
cluster,
removinglinstalling
620-1
instrument
cluster,
self-testing
620-1
instrument
cluster
bulbs,
replacing
620-2
multi-information
display
(MID),
620-4
multi-information
display
(MID),
removing/installing
620-4
odometer
coding
plug,
replacing
620-
2
vehicle
speed
sensor,
replacing
620-3
Intake
manifold
4-cylinder
engíne,
removing
113-3
6-cylinder
engine,
removing
113-11
See
alsoCylinder
head
removal
and
installation
Intake
air
temperaturesensor
See
Fuel
injection
Interior
trim
general
information
513-1
center
console,
removing/installing
513-1
dashboard,
removing/installing
513-3
glove
compartment,
removing/
installing
513-2
lower
left
dash
panel,
removing/
installing
513-2
J
Jump
startíng
010-12
K
Knock
sensor
See
Ignition
system
L
Leather
upholstery
See
Maíntenance
program
Leve¡
sender
See
Fuel
pump
Lubrication
system
general
information
119-1
oil
pan,
removing/installing
(4-cylinder
engines)
119-2
oil
pan,
removing/installing
(6-cylinder
engine,
1992models)119-4
oil
pan
119-2
oil
pan,
removing/installing
(6-cylinder
engine,
1993
and
later
models)
119-6
oil
pressure,
checking
119-1
oil
pressure
warningsystem,
testing
119-2
oil
pump
119-8
oil
pump,
removing/installing
(4-cylinder
engine)
119-8
oil
pump,
removing/installing
(6-cylinder
engine)
119-9
troubleshooting
119-1
M
Maíntenance
program
general
information
020-2
accelerator
and
throttle
linkage
020-13
air
filter,
replacing
020-11
automatic
transmission
fluid
020-8
automatic
transmission
service
020-18
battery,
checking
and
cleaning
020-12
battery,
replacing
020-12
BMW
service
indicator
020-2
body
and
hinges,
lubricating
020-19
brake
fluid
020-9
brake
fluid,
replacing
020-17
brake
pad/rotor
wear,
checking
020-17
brake
system,
inspecting
020-17
clutch
fluid,
checking
020-19
cooling
system
service
020-14
drive
axle
joint
boots,
inspecting
020-19
engine
coolant
(anti-freeze)
020-9
engine
drive
belts
020-13
engine
oil,
checking
leve¡
020-9
Maintenance
program
(cont
.)
engine
oil
and
filter,
changing020-9engine
oil
service
020-9
exhaust
system,
inspecting
020-18
exterior
washing020-20
final
drive
gear
oil
020-9
final
drive
oil
level,
checking
020-18
front
suspension
and
steering
linkages,
inspecting
020-18
fuel
filter,
replacing
020-16
fuel
tank
and
fuel
lines,
inspecting
020-19
¡dle
speed
020-12
inspection
I
and
inspection
11
020-2
interior
care020-20
leather
upholstery
and
trim
020-20
maintenance
tables
020-3
manual
transmission
fluid,
checking
and
filling
020-18manual
transmission
fluid
020-8
manual
transmission
service
020-18oxygensensors
020-15
parking
brake,
checking
020-17
polishing
020-20
poly-ribbed
belt,
replacing
020-13
power
steering
fluid
020-9
power
steering
fluid,
checking
leve¡
020-14
rear
suspension,
inspecting
020-18
resetting
service
indicator
020-3
seat
belts
020-20
spark
plugs,
replacing
020-11
special
cleaning
020-20
tires,
checking
inflation
pressure
020-17
tires,
rotating
020-17
v-belt,
replacing
020-13
washing
chassis
020-20waxing020-20
windshield
wiperblade
maintenance
020-19
wheels,
aligníng
020-17
Manual
transmission
See
also
Maintenance
program
See
also
Transmission-general
general
information
230-1
back-up
light
switch,
replacing
230-2
inputshaft
sea¡,
replacing
(transmission
installed)
230-5
output
shaftsea¡,
replacing
(transmission
installed)
230-4
selector
shaft
sea¡,
replacing
(transmission
installed)
230-3
transmission
fluid,
replacing
230-2
transmission
fluidlevel,
checking
230-2
transmission
fluid
service
230-1
transmission
removal
and
installation
230-5
transmission,
removing/installing
230-
6
transmission
service
230-2
Mass
air
flow
sensor
See
Fuel
Injection
WARNING
Your
common
sense,
good
judge-
ment,
and
general
alertness
are
cru-
cial
to
safe
and
successful
service
work
.
Before
attempting
any
work
onyour
BMW,
read
the
warnings
and
cautions
on
page
vi¡
and
the
copyright
page
at
the
front
of
the
manual
.
Review
thesewarnings
and
cautions
each
time
you
prepare
to
work
onyour
BMW
.
Please
also
read
any
warnings
and
cautions
that
accom-
pany
the
procedures
in
the
manual
.
Wheel
bearings
See
Front
suspension
or
Rear
suspensionWheel,
steering
See
Steering
and
wheel
alignment
Wheels
See
Maintenance
program
Window
regulator
See
Door
windows
Window
switch
See
Switches
and
electrical
accessories
Windows,
door
See
Door
windows
Windshield
wipers
and
washers
See
Wipers
and
washers
See
also
Maintenance
program
Wiper
motor
See
Wipers
and
washers
Wipers
and
washers
general
information
611-1
washer
fluid
leve¡
sensor,
replacing
(models
with
check
control)
611-10
washer
(luid
pump,
replacing
611-9
washerfluid
reservoir,
replacing
611-9
windshield
spray
nozzle,
removing/
installing
611-9
windshield
wiper
assembly,removing/
installing
(4-door
models)611-3
windshield
wiper
assembly,removing/
installing
(2-door
models)611-5
wiperarms,
removing/installing
611-2
wiperblade
inserts,
replacing
611-2
wiper
blade
cleaning
problems
611-1wiper
blades,
replacing
611-1wiper
motor,
removing/installing
611-8
Wiring
diagrams
See
Electrical
wiring
diagrams
Z
INDEX
9
ZAE
See
Airbag
system
(SRS)
ZKE
See
Central
body
electronics
ZVM
See
Central
locking