
180-2
EXHAUST
SYSTEM
a
EXHAUST
SYSTEM
REPLACEMENT
Fig
.
2
.
Exhaust
systemon
1992-1995
6-cylinder
engines
.
3251
(M50)
exhaust
system
shown
.
E~
)l-,malo
m~=
i
32592-95
1
.
Front
pipe
with
catalytic
convertor
6
.
Bracket
11
.
Bracket/clamp
(2)
16
.
Rear
pipewith
muffler
2
.
Gasket
(2)
7
.
Bracket
(2)
12
.
Rubber
mounting
ring
(2)
17
.
Rubber
mount
3
.
Exhaust
manifold
8
.
Bracket
13
.
Flange
18
.
Support4
.
Exhaust
manifold
9
.
Bracket
14
.
Gasket
(48mm)
19
.
Bracket
5
.
Manifold
gasket
10
.
Oxygen
sensor
15
.
Gasket
(48mm)
eme°"
k
:I>
-
8a
1
.
Exhaust
manifold
7
.
Front
pipe
with
catalytic
con-
9
.
Bolt
(M8X90)
14
.
Brackets
(rear
muffier)
2
.
Nut
(M10)
vertor
10
.
Compression
spring
15
.
Rear
muffler
and
pipe
3
.
Gasket
(clty
.
2)
8
.
Oxygen
sensor
(regulating)
11
.
Self-lockingnut
(M8
16
.
Bracket
(transmission)
4
.
Gasket
-tightento
55
Nm
(41
ft-Ib)
-always
replace
17
.
Brackets
(transmission)
5
.
Nut
8a
.
Oxygen
sensor
(monitoring)
12
.
Bracket
(rear
pipe)
6
.
Bolt
(M8X55)
-tightento
55
Nm
(41
ft-Ib)
13
.
Rubber
mounting
ring
(9ty
2)
Fig
.
3
.
Exhaust
systemon
1996-1998
4-cylinder
(M44)
engine
.1992-1995
4-cylinder
engine
exhaust
system
is
similar
.

GENERAL
..
.
......
.
.
.
.....
.
...
.
.
.
.
.
.
.
.
200-1
Manual
Transmission
.
.
.....
.
.
.
.'
.
.
.
.
.
.
.
.
200-1
Automatic
Transmission
.........
.
.
.
.
.
.
.
.
200-1
Transmission
ID
Codes
..........
.
.
.
.
.
.
.
.
200-2
GENERAL
E36
models
areequipped
with
a
longitudinal
drivetrain
.
The
transmission
is
bolted
directly
to
the
rear
of
the
engine
.
A
driveshaft
connects
the
output
shaft
of
thetransmission
to
the
final
drive
.
The
final
drive
is
mounted
lo
the
rear
suspension
and
the
body
.
Individual
drive
axles
with
integrated
constant
velocity
joints
transfer
rotational
power
to
the
rear
wheels
.
Manual
Transmission
Due
to
different
power
characteristics
and
performance
re-
quirements,
four
different
manual
transmissions
are
used
in
the
models
coveredby
this
manual
.
Manual
transmission
ap-
plications
are
given
in
Table
a
.
TRANSMISSION-GENERAL
200-1
200
Transmission-General
TABLES
a
.
Manual
Transmission
Applications
..
...........
200-1
b
.
Automatic
Transmission
Applications
...........
200-1
Fig
.
1
.
ZF-manufacturedmanual
transmission
.
For
transmission
gear
ratio
information
and
repair
informa-
tion,
see
230
Manual
Transmission
.
Automatic
Transmission
E36
carswith
standard
transmission
use
a
single-disc
clutch
with
dual-mass
flywheel
.
For
further
information,
see
210
Clutch
.
Table
a
.
Manual
Transmission
Applications
Model
Year
Engine
Transmission
318ifisfC
1992-1995
M42
Getrag
S5D
200
G'
1996-1998
M44
Getrag
S5D
250
G
323is/iC
1998
M52
Getrag
S5D
250
G
325ifsriC
1992-1995
M50
Getrag
S5D
250
G
3281/isfC
1996-1998
M52
ZF
S5D320
Z
M3
1995
S50US
ZF
S5D310
Z
1996-1998
S52US
ZF
S5D320
Z
'The
1992
M42
engine
may
be
fitted
witheither
the
Getrag
SSD
200
G
trans-
mission
or
S5D
250
Getrag
.
The
S5D
200G
was
discontinued
in
production
in
as
of
9/92
.
Thistransmission
is
interchangeable
with
Getrag
S5D
250
G
.
Four
different
automatic
transmissions
are
used,
depend-
ing
on
model
and
model
year
and/or
production
date
.
All
of
the
automatic
transmissions
are
electrohydraulically
controlled
with
either
four
or
five
forward
speeds
.
Automatic
transmis-
sion
applications
are
given
in
Table
b
.
For
automatic
transmission
repair
information,
see
240Au-
tomatic
Transmission
.
Table
b
.
Automatic
Transmission
Applications
Model
1
Year
1
Engine
1
Transmission
318i1is/1C
1992-1995
~
M42
323isfiC
1998
M52
A4S
310
R
3251/is/1C
1992-1995
M50
3181/isfC
11996-1998
M44
A4S
270
R
328i/is/1C
1996-1998
M52
M3
1996-1998
S50US
I
A5S
310
Z
S52US
GENERAL

210-
6
CLUTCH
9
.
Clean
and
inspectrelease
bearing
guide
sleeve
on
transmission
.
Install
release
lever
and
release
bearing
.
See
Fig
.
11
.
A
0011582
Fig
.
11
.
Clutchrelease
bearing
correctly
installed
on
guide
sleeve
(A)
.
Bearing
tabs
(B)
align
with
contact
points
(C)
on
release
lever
.
10
.
Insta¡¡
transmission
.
See230
Manual
Transmission
.
Tightening
Torques
"
Flywheel
to
crankshaft
(use
new
bolts)
M42/M44
engines
....
.
..
...
....
120
Nm
(89
ft-Ib)
All
others
..........
..
.
..
......
105
Nm
(77
ft-Ib)
"
Pressure
píate
to
flywheel
M8
8
.8
grade
......
...
.
.
........
24
Nm
(18
ft-Ib)
M8
10
.9
grade
.....
..
..
..
.......
34
Nm
(25
ft-Ib)
CLUTCH
MECHANICAL
Transmission
pilot
bearing,
replacing
1
.
Remove
clutch
as
described
earlier
.
2
.
Remove
transmission
pilot
bearing
from
end
ofcrank-
shaft
using
BMW
special
tool
no
.
11
2
340,
or
equiva-
lent
.
3
.
Press
new
bearing
finto
placeusing
BMW
Specíal
Tool
no
.
11
2
350,or
equivalent
.

1
.
Heater
valves
2
.
ABS
pedal
travel
sensor3
.
ABS
pump
Fig
.
10
.
Left
rear
of
engine
compartment
.
4
.
Main
engineharness
con-
nector
5
.
Power
distribution
box
ELECTRICAL
COMPONENT
LOCATIONS
610-5
0013202
0013226
Fig
.
11
.
M42
engine
idie
speed
control
valve
(arrow)
beneath
intake
manifold
0012421
Fig
.
12
.
M44
engine
intake
air
temperature
(¡Al)
sensor
in
air
filter
housing
Fig
.
13
.
M50/S50U
S
engine
intake
air
temperature
(IAT)
sensor
(1)
and
throttle
position
sensor
(2)
.
301180
0012724
Fig
.
14
.
M52/S52U
S
engine
intake
air
temperature
(IAT)
sensor
in
bot-
tom
of
intake
manifold
(throttle
housing
shown
removed)
.
COMPONENT
LOCATIONS

610-6
ELECTRICAL
COMPONENT
LOCATIONS
Fig
.
15
.
M44
engine
harness
connectors
atair
intake
0011644
Fig
.
16
.
A/
C
recharging
ports
(arrows),
right
rear
of
engine
compart-ment
COMPONENT
LOCATIONS
0012427
811004
Fig
.
17
.
Six-cylinder
ignition
coil
in
top
of
cylinder
head
(M52
engine)
.
Fig
.
18
.
Cooling
fan
dualswitch
in
radiator
(arrow)
.
0013203

Fig
.
19
.
M44
engine
coolant
temperature
(ECT)
sensor
(arrow)
.
Fig
.
22
.
Headlight
ground
at
left
frontof
engine
compartment
(arrow)
.
0012704
Fig
.
20
.
M52
engine
coolant
temperature
(ECT)
sensor
(A)
is
located
beneath
top
enginecover
(B)
and
crankcase
vent
hose
(C)
.
uu12700
Fig
.
21
.
M52
throttle
position
sensor
(A),
idle
speed
control
valve
(B),
and
secondary
air
pump
(C)
.
ELECTRICAL
COMPONENT
LOCATIONS
610-7
00119s4
0013131
uvijijo
Fig
.
23
.
Mainground
at
right
strut
tower
(A)
.
B
is
negative
jumper
con-
nection
.
COMPONENT
LOCA
TIONS

Component
Model
Year
Location
Refer
to
Heater
Recirculation
Flap
Actuator
1992-1998
Below
left
dash
right
side
of
steering
column
HeaterBlowerMotor
Resistor
Pack
1992-1998
Behind
center
of
dashboard
Heater
Regulator
FlapActuator
1997-1998
Right
side
of
heater
box
HeaterValve
Assembly
1992-1998
Left
rear
engine
compartment
HeatingNentilation
Relay
Box
1992-1993
Below
left
side
of
dash
HeatingNentilation
Relay
1994-1998
Left
front
footwell
High
Speed
Cooling
Fan
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Homs,
Right/Left
1993-1998
Front
of
engine
compartment
Horn
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Horn
Relay
(Alpine)
1994-1998
Behind
glove
compartment
Fig
.
8
.
Board
Computer/Anti-Theft
Fig
.
9
.
Idle
Speed
Control
Valve
1992-1995
Top
rearof
enginebehind
intake
manifold
(M42
engine)
Fig
.
11
.
Idle
Speed
Control
Valve
1992-1995
Top
left
side
of
engine
(M50
engine)
Idle
Speed
Control
Valve
1993-1996
Below
intake
manifold
(M50/S50US
engine)
Idle
Speed
Control
Valve
1996-1998
On
throttle
housing
(M44
engine)
Fig
.
15
.
Idle
Speed
Control
Valve
1997-1998
Left
front
of
engine
below
intake
manifold
(M52/S52US
engine)
Ignition
Coils
1992-1998
Right
of
engineunder
plastic
cover
(four-cylinder)
Fig
.
7
.
Ignition
Cofs
1992-1998
Top
of
engine
undercover
(six-cylinder)
Fig
.
17
.
Ignition
Switch
1992-1998
Right
sídeofsteering
column
Intake
Air
Resonance
Changeover
1992-1998
Leftrear
of
engine
compartment
Valve(DISA)
Intake
Air
Temperature
Sensor
1992-1995
In
mass
air
flow
sensor
(M42
engine)
Intake
Air
TemperatureSensor
1996-1998
In
top
ofair
filter
housing
(M44
engine)
Fig
.
12
.
Intake
Air
Temperature
Sensor
1992-1998
I
Left
sídeof
engine
in
intake
manifold
(six-cylinder)
-
-
I
Fig
.
13
.
Fig
.
14
.
Kick-Down
Switch
(A/T)
1
1992-1998
1
Left
footwell
Mixing
Actuators
1
1992-1998
1
Heater
box
ELECTRICAL
COMPONENT
LOCATIONS
610-15
Table
a
.
E36
Component
Locations
Knock
Sensors
1
1992-1998
1
Left
side
of
engine
block
Left
Front
Power
Window
Motor
11992-1998
/
Left
front
door
Left
Front
Window
Monitoring
Switch
1
1997-1998
1
Left
front
door
trim
panel
Left
Front
Window
Retraction
Switch
1
1992
-
1993
1
Left
front
door
handle
lock
assembly
Left
Splice
Panel
1
1992-1998
1
Under
left
side
of
dash
at
kick-panel
1
Fig
.
5
.
Main
Fuse
and
Relay
Box
(Power
1992-1998
I
Left
sideof
engine
compartment
Fig
.
2
.
Distribution
Box)
1
I
Mass
Air
Flow
Sensor
1992-1998
I
Left
side
of
engine,
intake
air
duct
Fig
.
7
.1
I
Fig
.
15
.
Continued
COMPONENT
LOCATIONS

610-16
ELECTRICAL
COMPONENT
LOCATIONS
Component
Model
Year
Location
Refer
to
MixingSwitch
1992-1994
Center
console
Multi-Function
Clock
1992-1998
Center
console
Multi-information
Display
(MDI)
1992-1998
Center
console
Normal
Speed
Cooling
Fan
Relay
1992-1998
Power
distribution
box
Fig
.
2
.
Neutral
SafetySwitch
(Automatic
1992-1998
Next
to
gear
shift
lever
in
center
console
Fig
.
29
.
Transmission
Range
Switch)
Oil
Pressure
Switch
1992-1998
Left
front
of
engine
below
intake
manifold
at
oil
filter
housing
On-Board
Computer
1992-1998
Center
console
On-BoardComputerHorn
Relay
1992-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
On-Board
Computer
Temperature
11992-1998
I
Right
front
of
engine
compartment
Sensor
Outside
Temperature
Sensor
1992-1997
Inright
front
brake
cooling
duct
Outside
Temperature
Sensor
1998
Right
rear
of
engine
compartment
behind
fresh
air
cowl
Oxygen
Sensor
HeaterRelay
1992-1998
Power
distribution
box
Fig
.
2
.
Oxygen
Sensor(s)
1992-1998
On
exhaust
pipe
ahead/behind
catalytic
converter
(M42/M44
engine)
Oxygen
Sensor
(x2)
1992-1995
On
exhaust
pipe
ahead
of
catalytic
converter
(M50/S50US
engine)
Oxygen
Sensors
(x4)
1996-1998
On
exhaust
manifold/exhaust
pípe
behind
catalytic
converter
(M52/S52US
engine)
Parking
Brake
Switch
1
1992-1998
I
On
rear
of
parking
brake
lever
Power
Distribution
Box
11992-1998
I
Rear
left
of
engine
compartment
I
Fig
.
2
.
Fig
.
7
.
Fig
.
10
.
Radio
Microswitch
1992
-
1996
Center
console
behind
radio
Radio
Receíver
1
1997-1998
1
Right
rear
luggage
compartment
Relay
And
Fuse
Box
(Power
1992-1998
I
Left
side
of
engine
compartment
I
Fig
.
2
.
Distribution
Box)
Fig
.
7
.
Fig
.
10
.
Rear
Window
Blower
1994-1998
Behind
rear
seat
(convertible)
Rear
Window
Blower
Microswitch
1994-1994
At
convertible
top
linkage
Rear
Window
Blower
Microswitch
1995-1998
Behind
rear
seat
(convertible)
Rear
Window
BlowerRelay
11994-1998
Behind
glove
compartment
Fig
.
8
.
Fig
.
9
.
Fig
.
2
.
Fig
.
30
.
Fig
.
8
.
Rear
Window
DefoggerRelay
Reversing
(Back-up)
Light
Switch
SplicePanel,
Right
Rollover
Protection
Actuator
11994-1998
COMPONENT
LOCATIONS
Table
a
.
E36
Component
Locations
1992-1998
1992-1998
1992-1998
Power
distribution
box
Right
or
left
side
top
of
transmission
Behind
glove
compartment
Behind
rear
seat
(convertible)
Fig
.
9
.
Continued