
Brake
rotor,
removing
and
installing
Brake
rotors
shouldalways
be
replaced
in
pairs
.
Fig
.
9
.
Brake
rotor
mounting
screw
(arrow)
.
3
.
Inspect
rotor
for
excessive
grooving,
cracks,
and
warp-
ing
.
Check
rotor
thickness
.
See
Table
b
.
4
.
Installation
is
reverse
of
removal
.
"
Clean
rotor
with
brakecleaner
before
installing
.
"
If
brake
fluid
hose
veas
removed
or
loosened,
brake
systemmustbe
bled
as
described
aboveunder
Bleeding
Brakes
.
BRAKES
340-
7
5
.
Once
brake
assembly
is
instalind,
depress
brakepedal
several
times
to
adjust
caliper
and
pads
.
"
Pedal
should
feel
firm
and
be
at
proper
height
.
"
Check
fluid
leve¡
.
Top
up
if
necessary
.
NOTE-
M3
models
use
directional
brake
rotors
and
mustbe
in-
NOTE-
stalled
on
the
proper
side
.
Part
numbes
are
cast
finto
When
installing
new
rear
brake
rotors,
the
parking
therotors
.
A
part
that
ends
in
an
odd
number
is
a
left
brakeshouldbe
adjusted
.
See
Parking
Brake
.
rotor
.
One
that
ends
in
an
even
number
is
a
right
rotor
.
1.
Remove
caliper
as
described-above
and
hang
from
Tightening
Torques
chassis
using
stiff
wire
.
"
Brake
rotor
to
wheel
hub
..........
16
Nm
(12
ft-Ib)
"
Front
brake
caliper
to
steering
arm
...
110
Nm
(81
ft-Ib)
NOTE-
"
Rear
brake
caliper
to
traíling
arm
....
67
Nm
(50
ft-Ib)
Do
notloosen
caliper
brake
hose
.
"
Road
wheel
to
hub
...
..
.
100
±
10
Nm
(74
t
7
ft-Ib)
2
.
Remove
mountingscrew
holding
rotor
to
wheel
hub
.
,
See
Fig
.
9
.
Table
b
.
Brake
Rotor
Reconditioning
Specificati*M`
Front
Rear
Vented
rotor
wear
limit
(min
.
thickness)
20
.4
mm
(0
.803
in.)
Solid
rotor
wear
limit
(min
.
thickness)
8
.4
mm
(0.331
in
.)
M3
models
wear
limit
(min
.
thickness)
26
.4mm
(0
.977
in
.)
18
.4
mm
(0
.723
in
.)
Axial
runout
(max
.)
rotor
removed
0
.05
mm
(0
.002
in
.)
0
.05
mm
(0
.002
in
.)
rotor
installed
0
.20
mm
(0
.008
in
.)
0
.20
mm
(0
.008
in
.)
CAUTION-
M3
brake
rotors
must
not
be
machined
.
MASTER
CYLINDER
The
brake
master
cylinder
is
mounted
to
the
front
of
the
vac-
uum
booster
on
the
driver
side
bulkhead
.
Master
cylinder,
removing
and
installing
1
.
Using
a
clean
syringe,
empty
brake
fluid
reservoir
.
WARNING
-
Brake
fluid
is
highly
corrosive
and
dangerous
to
the
environment
.
Dispose
of
it
properly
.
NOTE-
On
original
equipment
rotors,
the
mínimum
allowable
2
.
Disconnect
brake
fluid
leve¡
sender
connector
from
fluid
thickness
is
stamped
on
the
rotor
hub
.
Measure
the
rotor
reservoi
r
cap
.
brakingsurface
with
a
micrometer
at
eight
to
ten
different
points
and
use
the
smallest
measurement
recorded
.
3
.
Disconnect
brake
fluid
lines
frommaster
cylinder
.
See
Fig
.
10
.
Disconnect
hydraulic
clutch
system
supply
line
.
4
.
Unscrew
mounting
nuts
and
remove
master
cylinder
from
brake
booster
.
5
.
Make
sure
all
nuts,
fluid
couplings,
thread
bores,
and
mating
surfaces
are
clean
.
MASTER
CYLINDER

ELE-188
ELECTRICALWIRING
DIAGRAMS
83831
HOT
IN
RUNAND
START
HOT
IN
RUNAND
START
FRONTFOWER
I
F2
FUSE
FUSE
I
DISTRIBUTIONBOX
3
F25
L
a
I
COMBINATION
NORMAL
SWITCH
I
FLASH
HIGH
I
RED/WHT
FUSE
F11
7.SA
I
__J
1~
X1B
(INSTRUMENT
HIGH
(CLUSTER
(
BEAM
INDICATOR
I
1
X109331j,X
1
-
2'r
------------------
AY
X
1D018
LEFT
Low
BEAM
LIGHT
Headlights/Foglights
1995-96
318ti
(Canada)
(1
of
2)
BRN
RED
LOWBEAM
LIGHTRELAY
-
-
-
-
-
-
-
-----
RIG
NT
LOWBEAM
LIGHT
X]I+
ll1
10
Z
.L
G202
HT
HIGH
BEAM
LIGHT
---------
RELAY
ROWER
DISTRIBUTION
FUSE
FUSE
USE
I
BOX
F12
F3D
121
I
7.5A
7.SA
7.5A
_
__
_________
==
__________
_
_J
20~~---_-__
_
_1BY
x1D
S
RIGHT
(~
LEFTHIGH
HIGH
BEAM
BEAM
L
FN
IGHT
LIGHT
\1
I
G111
1
G111
RED
RED
RED/WHT
3

ELE-264
ELECTRICAL
WIRING
DIAGRAMS
86093
CDCHANGER
INTERIORLIGHTS
SYSTEM
HOTINACCV,RUNANDSTART
HOTATALLTIMESHOTATALLTIMES
LEFTMID-HIGH
RANGESPEAKER
T
i6
A
(OTHERS)
20A
(1997)
'
28TTT
6~'
18
VIO//
I
RED//
/
RED/
WHT/
WHT,
WHT
Radio/Cassette/CD/Speakers
1994-97
Except
318ti
10
Speaker
System
FUSE
F3310A
LEFTREARSPEAKER
FRONT
POWER
I
DISTRIBUTION
BOX
FUSE
LEPTREARLEFTREAR
RIGHTFRONTRIGHTFRONT
LOWRANBE
HIGH
RANGE
I
MIDRANGE
HIGHRANGE
SPEAKERSPEAKER
SPEAKERSPEAKER
19970NLY
nn
~11
G202
1
YEL/RED
2
BLU/RED
3
YEL/BLK
4
WHT/BRN
BLU/VIO
55
VIO/WHT
BLU/GRY
66
BLU/BLK
VEL/RE0
(1994-1996)
I
I
(1997)
BLU/WHT
77
YEL
-
VEL/BRN
(1994-19967
(19977
BLU/BRN
88
BRN/OR6
9
RE
D/WHT
10
BLK/WHT
11
BRN/DRG
12
B
FIN
/ORG
13
GRY/RED
14
BRNIORG
15
BRN
115
WHTX
16126
"
BLUIWHT
e
BLU/BRN
9
YELIVIO
10
YELIGRY
11
BLU/BLK
12
BLU/RED
15
VEL/RED
16
BRN/ORG
171819
zD
~
VEL/GRN
21
YELIBRN
22
,
81-11G
"
E'
BLU/BRN
24
VEL/WHT
25
VEL/BRN
26X606
-
I
I
HIFI
AMPLIFIER
WHT
1
I
I
I
YEL
3
I
--i
CHANGER
ANTENNA
AMPLIFIER
1--
-
"
BLK/WHT
2
(OUTPUT
INSTRUMENTCLUSTER
1997
r
BILK6
TELEPHONE
CONNECTOR
_REDIWHT
W
2
BRN
3
BW/RED9
BLU/BRN
10
VEL/GRY
11
YEL
L/BL1212
X
605
BRN
N/OR
BLU
U/BLK22
YELIBLLIB
3~
BRN/ORG
567
BL./
.FY
13
BRN/ORG
14
X
400
BLK
BLK
10
I
i
TELEPHONE
TRANSCEIVER
RIGHTREAR
RIGHTREAR
HIGHRANGE
LOWRANCE
RIGHTFRONT
I
SPEAKER
SPEAKERLOWRANGE
RIGHTMID-HIGH
RANGESPEAKER
SPEAKER
RIGHT
REAR
SPEAKER

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