010-14
FUNDAMENTALS
FOR
THE
DO-ITYOURSELF
OWNER
Fig
.
19
.
Instaf
rear
tow
lug
into
threaded
hole
.
if
absolutely
necessary,
cars
with
automatic
transmissions
can
be
towed
with
the
rear
wheels
on
the
ground,
butthe
tow
should
not
exceed
25
miles
(40
km),at
speeds
at
or
below30
mph
(35
km/h)
.
Be
sure
the
transmission
fluid
hasbeen
topped
off
before
starting
the
tow
.
Always
tow
thecar
with
the
transmis-
sion
lever
in
"N"
(neutral)
.
If
the
tow
must
exceed25
miles
(40
km),
add
one
quart
of
ATF
to
the
transmission,
or
better
yet,
re-
move
the
driveshaft
.
Be
sure
to
drain
or
pump
outthe
added
flu-
id
once
the
tow
has
been
completed
.
NOTE-
"
ATF
draining
and
filling
is
covered
in
240
Automatic
Transmission
.
"
Driveshaft
removal
is
covered
in
260
Driveshaft
.
EMERGENCIES
úo1W¿b
Spare
Parts
Kit
Carrying
a
basic
set
of
spare
parts
can
prevent
a
minor
breakdown
from
turning
into
a
major
annoyance
.
Many
of
the
following
itemswon't
allow
you
todo
major
repair
workon
the
car,
but
they
will
help
in
the
event
of
the
failure
of
something
that
can
disable
thecar
or
compromise
its
safety
.
Spare
Parts
Kit
-
Basic
Contents
"
Drive
belt
(V-belt
or
poly-ribbed)
"
Engine
oil
(one
or
two
quarts)
"
Engine
coolant
(1
gallonof
premixed
50/50
anti-freeze
and
water)
"
Fuse
assortment
(7
.5A,
10A,
15A,
20A)
"
Radiator
hoses
(upper
and
lower)
Spare
Parts
Kit
-
Additional
Contents
"
Exterior
lighting
bulbs
(headlight,
brakelight,
turn
signal,
and
taillight)
"
Wiper
biades
"
Brake
fluid
(new
unopened
bottle,
DOT
4
specification)
"
Main
relay
for
DME
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-
4
EXTERIOR
LIGHTING
Front
turn
signal
assembly,
Side
Marker
Lights
removing
and
installing
Side
marker
lights
on
later
model
E36
cars
are
snapped
into
The
procedurebelow
also
includes
turn
signal
bulb
replace-
the
front
fenders
.
To
service,
carefully
pry
the
assembly
out
of
ment
.
the
fender,
then
detach
the
electrical
harness
connector
and
bulb
socket
.
1
.
Working
inside
engine
compartment,usea
screwdriver
to
press
turn
signal
assembly
retaining
clip
away
from
retaining
tab
on
headlight
assembly
frame
.
Push
turn
REAR
LIGHTING
signal
forward
.
See
Fig
.
9
.
Fig
.
9
.
Press
on
clip
(arrow)
.
Light
slides
straight
out
.
REAR
LIGHTING
0012571
2
.
Depress
tabs
on
bulb
socket
and
remove
from
turn
sig-
nal
assembly
.
See
Fig
.
10
.
0012572
Fig
.
10
.
Depress
locking
tabs
(arrows)to
remove
bulb
and
socket
from
turn
signal
housing
.
Taillight
Bulbs
To
access
taillight
bulbs,
see
Fig
.
11
.
The
location
of
the
rear
bulbs
are
shown
in
Fig
.
12
.
Turn
bulb
socket
1
/4turn
to
re-
move
.
Fig
.
11
.
To
remove
taillight
bulb
cover,
turn
retainer
(arrow)
1
/a
turn
counterclockwise
.
Fig
.
12
.
Taillight
bulb
identification
.
0012574
Taillight
assembly,
removing
and
installing
1
.
Open
trunk
lid
.
Remove
cover
from
rear
of
taillight
.
Re-
fer
to
Fig
.
11
.
2
.
Depress
locking
tabs
on
electrical
harness
convector
and
disconnect
from
rear
of
taillight
lens
assembly
.
Re-
move
four
taillight
assembly
retaining
nuts
.
See
Fig
.
13
.
0012574
Fig
.
13
.
Taillight
mounting
nuts
(arrows)
and
harness
connector
(A)
.
3
.
Installation
is
reverse
of
removal
.
Center
Brake
Light
On
convertible
models,
it
is
necessary
to
open
trunk
lid
and
remove
inner
tailgatetrim
adjacent
to
license
plate
light
as-
sembly
.
Then
remove
the
electrical
connectors
and
four
cen-
ter
brake
light
retaining
nuts
.
Push
center
brake
light
out
.
Replace
bulbs
if
necessary
.
On
4-door
and
coupe
models,
open
trunk
lid
.
Working
di-
rectly
under
center
brake
light,
turn
bulb
socket
counterclock-
wise
1
/4turn
andremove
from
center
brake
light
assembly
.
Replace
bulb
if
necessary
.
See
Fig
.
14
.
EXTERIOR
LIGHTING
630-
5
0012575
Fig
.
14
.
Turncenter
brake
light
socket
counterclockwise
and
remove
bulb
.
Center
brake
light
housing,
replacing
(4-door
andcoupe
models)
1
.
Remove
rear
window
parcel
shelf
.
See513
Interior
Trim
.
2
.
Depress
tabs
on
center
brake
light
electrical
connector
and
disconnect
.
3
.
Remove
retaining
screws
and
remove
socket
.
4
.
Replace
bulb
.
REAR
LIGHTING
4
INDEX
Evaporator
See
Air
conditioning
EWS
(Electronic
immobilization
system)
515-8
Exhaust
system
See
also
Maintenance
program
general
information
180-1
exhaust
manifolds,
removingAnstalling
180-5
exhaustsystem,
removing/installing
180-3
Expansion
valve
See
Air
conditioning
Exterior
lighting
general
information
630-1
center
brake
light
housing,
replacing
(4-door
and
coupe
models)
630-5
foglight
assembly,
removing/installing
630-3
front
turn
signal
assembly,
removing/
installing
630-4
headlight
assembly,removing/
installing
630-2
headlight
bulb,
replacing
630-1
license
plate
light,
removing/installing
630-6
side
marker
lights
630-4
taillight
assembly,
removing/installing
630-5
taillight
bulbs,
replacing
630-4
Exterior
trim,
bumpers
general
information
510-1
BMW
embiem,
removing/installing
510-7
body
side
molding,
replacing
-7
bumper
height,
adjusting
510-6
front
bumper,
removing/installing
510-3
front
bumper
impact
absorber,
replacing
510-4
front
panel,
removing/installing
510-7
outside
rear
view
mirrors
510-1
mirror
housing,
removing/installing
510-1
mírror,
removing/installing
510-2
mirror
glass,
replacing
510-1
radiator
grille,
removing/installing
510-7
rear
bumper,
removingfinstalling
510-
4
rear
bumper
impact
absorber,
replacing
510-4
F
Fenders,
engine
hood
general
information
410-1
front
fenders
410-1
front
fender,
removing/installing
410-1
hood
aligning
410-4
hood,
raising
to
service
position
410-2
hood
release
cable
and
latches,
adjusting
410-4
hood,
removing/installing
410-3
Finaldrive
general
information
331-1
final
drive
se
rvice
331-1
flange
oil
sea¡,
replacing
331-2
inputshaft
oil
sea¡,
replacing
331-3
oil,
draining/filling
331-1
oil
seals331-1
removing/installing
331-3
Final
drive
carrier
See
Rear
suspension
Firing
order
See
Ignition
system
Flexdisc
See
DriveshaftFluids
and
lubricants
See
Maintenance
program
Foglight
See
Exterior
lighting
Front
suspension
general
information
310-1
ball
joint
See
outer
control
arm
ball
joint
control
arm,
removing/installing
310-5
control
arm
bushing,
replacing
310-7
control
arms
310-5
front
wheel
bearing,
replacing
310-8
front
wheel
bearings
310-8
outer
control
arm
ball
joint,
replacing
(except
M3)310-6
ride
height
310-4shock
absorbers
and
springs
310-2
stabilizer
bar
310-9
stabilizer
bar,
removing/installing
310-9
strut
assembly,disassembling/
assembling310-4
strut
assembly,
removing/installing
310-2subframe
crossmember
310-9subframe
crossmember,
removing/
installing
310-9
Fuel
injection
general
information
130-2
basic
engine
settings
130-2
principies
of
operatínn
130-2
Bosch
DME
Ml
.7
component
tests
and
repairs
130-14
air
floiv
sensor,testing/replacing
130-14
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-15
¡dle
speed
control
valve,
testing/
replacing
130-16
throttle
position
sensor
(TPS),
testing/replacing
130-16
Bosch
DME
M3
.1
and
M3
.3
.1
component
tests
and
repairs
130-17
engine
coolant
temperature
(ECT)
sensor,
testing/replacing
130-18
¡dle
speed
control
valve,
replacing
130-21
¡dle
speed
control
valve,
testing
130-
20
intake
air
temperature
(IAT)
sensor,
testing/replacing
130-19
mass
air
flow
sensor130-17
Bosch
DME
M3
.1
and
M3
.3.1
(cont)
mass
air
flow
sensor
(hot
film)
testing/replacing
130-18
mass
air
flow
sensor
(hot
wire)
testing/replacing
130-17
throttle
position
sensor
(TPS),
testing/replacing
130-19
Bosch
DME
M5
.2
component
replacement
130-21engine
coolant
temperature
(ECT)
sensor,
replacing
130-22
ldle
speed
control
valve,
replacing
130-23
intake
air
temperature
(IAT)
sensor,
replacing
130-22
mass
air
flow
sensor,
replacing
130-
22
throttle
position
sensor
(TPS),
replacing
130-22
DISA
(dual
resonance
intake
system)
130-3
ECM
pin
assignments130-26
electrical
checks
andcomponent
testing
130-7engine
control
module(ECM),
accessing
130-26
fuel
delivery
tests
130-9
fuel
pressure
regulator
response
to
engine
load,
testing
130-11
fuel
pressure
regulator
130-13
fuel
pressure
regulator,
replacing
(fuel
rail
mount)130-13
fuel
pressure
regulator,
replacing
(under
car
mount)130-14
fuel
pump
relay,
testing
130-7
fuel
rail
and
injectors,
checking
130-11
fuel
rail
and
injectors,
replacing
130-
12
fuel
delivery
tests
(cont
.)
operatíng
fuel
pump
for
tests
130-9
relieving
fuel
pressure
and
connecting
fuel
pressure
gauge
130-10
residual
fuel
pressure,
testing
130-10
main
relay,
testing
130-7on-board
diagnostics
(OBD)
and
fault
diagnosis
130-4
oxygen
sensor,
testing
(Bosch
systems
only)
130-8
secondary
air
injection
130-5
Siemens
MS
41
.1
component
replacement
130-23
engine
coolant
temperature
(ECT)
sensor,
replacing
130-25
¡dle
speed
control
valve,
replacing
130-26
lntake
air
temperature
(IAT)
sensor,
replacing
130-25
mass
air
flow
sensor,
replacing
130-
25
throttle
position
sensor
(TPS),
replacing
130-26warnings
and
cautions
130-6
Fuel
filter
See
Maintenance
program
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