Outside temperature BMW 328i 1995 E36 Workshop Manual

020-
1
2



MAINTENANCE
PROGRAM

6-cylinder
engines
use
a
coil-on-plug
configuration,
and
re-



Battery
cablesshould
be
tight
.
The
terminals,
the
cable
moval
of
thetop
engine
cover
(between
the
camshafts)
and
ig-



clamps,
and
the
battery
case
should
be
freeof
the
white
deposits
nition
cofs
are
necessary
.
See
Fig
.
12
.
Blow
away
any
dust
or



that
indicate
corrosion
and
acid
salts
.
Even
a
thin
¡ayer
of
dust
dirt
around
the
ignition
coils,
and
then
remove
the
coils
.
Blow



containing
conductive
acid
salts
can
cause
battery
discharge
.
away
any
dustor
dirt
around
the
sparkplugs
.
Remove
the
spark

plugs
.



To
remove
battery
corrosion,
begin
by
disconnecting
theca-

bles
.
Disconnect
the
negative
(-)
cable
first
.
Clean
the
terminal

posts
and
the
cable
clamps
with
a
wire
brush
.
Clean
the
main
chassis
ground
terminal
next
to
the
battery
.
Corrosion
can
be
washedaway
with
a
baking
soda
and
water
solution
that
will
neutralize
the
acid
.
Apply
the
solution
carefully,
though,since
ít
will
also
neutralize
the
acid
inside
the
battery
.
Reconnect
the
ca-
ble
clamps,
positive
(+)
cable
first
.
Lightly
coat
the
outside
of
the

terminals,
hold
down
screws,
and
clamps
with
petroleum
jelly,
grease,
or
a
commercial
battery
terminal
corrosion
inhibitor
.

Fig
.
12
.
Ignition
coil
being
removed
from
spark
plug
on
M52
engine
.

NOTE-

If
necessary,
see
120
Ignition
System
for
more
details
on
coil
removal
.

B11004

Lightlylubricate
the
new
spark
plug
threads
with
a
small
amount
of
anti-seize
compound
.
Thread
the
plugs
into
the
cyl-
inder
head
byhand
to
prevent
cross-threading
.

Tightening
Torque

"
Spark
plug
to
cylinder
head
.......
25
Nm
(18
ft-ib)

Idie
Speed

Engine
¡dle
speed
canchange
due
to
a
number
of
factors,
in-
cluding
normal
wear
.
The
idle
speed
is
electronically
adaptive
and
non-adjustable
.
See
130
Fuel
Injection
for
more
information
.

Battery,
checking
and
cleaning

The
battery
is
located
in
the
right
side
of
the
luggage
com-
partment
.
Simple
maintenance
of
the
battery
and
its
terminal
connections
will
ensure
maximum
starting
performance,
espe-
cially
in
winter
when
colder
temperaturesreduce
battery
power
.

ENGINE
COMPARTMENT
MAINTENANCE

WARNING
-

"
Prior
to
disconnecting
the
battery,
read
the
bat-
tery
disconnection
cautions
given
at
the
front
of
this
manualonpage
viii
.

"
Battery
acid
is
extremely
dangerous
.
Take
care
to
keep
it
from
contacting
eyes,
skin,
or
clothing
.
Wear
eye
protection
.
Extinguish
all
smoking
ma-
terials
and
do
not
worknear
any
oyen
flames
.

Battery
electrolyte
should
be
maintained
at
the
correct
level
just
above
the
battery
plates
and
their
separators
.
The
correct
leve¡
is
approximately
5
mm
(
1
/4
in
.)
above
thetop
of
battery
plates
orto
thetop
of
the
indicator
marks
(if
applicable)
.
The
battery
plates
and
the
indicator
marks
can
beseen
once
the
fill-
er
caps
are
removed
.
If
the
electrolyte
level
is
low,
replenish
it
by
adding
distilled
water
only
.

Battery,
repiacing

Batteries
are
rated
by
ampere
hours
(Ah),
the
number
of
hoursa
specific
current
draín
can
be
sustained
before
complete
discharge,
or
by
cold
cranking
amps
(CCA),
the
number
of
amps
available
to
crank
the
engine
in
cold
weather
conditions
.
In
general,
replacement
batteries
should
alwaysbe
rated
equal
or
higherthan
the
original
battery
.

CAUTION-

Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
thls
manual
on
page
viii
.

The
battery
is
held
in
place
bya
single
hand
screw
and
píate
.
A
secure
battery
hold-down
is
important
in
order
to
prevent
vi-
brations
and
road
shock
from
damaging
the
battery
.

NOTE-
NOTE-
"
Always
disconnect
the
negative
()
cable
first,
and
Design
characteristics
of
the
convertible
body
cause
vi-



connect
ft
last
While
changing
batteries,
clean
away
brations
in
the
trunk
area
.
Therefore,
E36
convertibles



any
corrosion
in
or
around
the
battery
tray
.
require
a
specialbattery
designed
for
constant
vibra-
tion
.
When
repiacing
the
battery,
be
sure
the
replace-



"
Design
characteristics
of
the
convertible
body
cause
ment
is
designed
specffically
for
the
convertible
.



vibrations
to
oscillate
in
the
trunk
area
.
Therefore,
the
convertible
model
uses
a
specialbattery
designed
for
this
constant
vibration
.

GENERAL
.
.
.
.
.
.
.
.
.
...
.
..
.
...
.
.........
510-1



Front
bumper
impact
absorber,
replacing
....
510-4

Rear
bumper,
removing
and
installing



.....
.510-4

OUTSIDE
REAR
VIEW
MIRRORS
.
...
.
.....
510-1



Rear
bumper
impact
absorber,
replacing
...
.
510-6
Outside
mirrorglass,
replacing



.
.
.........
510-1



Bumper
height,
adjusting



...
.
...
.
...
.
.
.
.
.
510-6
Outside
mirror
housing,
removing
and
installing
....
.
.....
.
.
.
.
.
.
510-1



EXTERIOR
TRIM



...
.
.
.
.
.
.
.
.
.
.
.
...
.
.
.
.
.
510-6
Outside
mirror,
removing
and
installing
.
.
.
.
.
510-2



BMW
embiem,
removing
and
installing
.
.
.
.
.
.
510-7

Body
side
molding,
replacing



.
.
.
.
.
.
.
.
.
.
.
.
.
510-7
BUMPERS



.
.
.
.
.
....
.
.....
.
.....
.
.
.
.
.
.
510-3



Radiator
grille,
removing
and
installing
.
.
.
.
.
.510-7
Front
bumper,
removing
and
installing
.
.
.
.
.
.
510-3



Front
panel,
removing
and
installing
...
.
.
.
.
.
510-7

GENERAL

510
Exterior
Trim,
Bumpers

This
repair
group
includes
repair
information
for
the
outside

rear
view
mirror,
front
and
rear
bumpers,
and
the
easily
re-

movable
exterior
trim
parts
.

OUTSIDE
REAR
VIEW
MIRRORS

The
remove
controlled
mirrors
come
in
two
styles
:
heated
and
unheated
.
Many
of
the
mirror
components
are
separately

available
from
an
authorized
BMW
dealer,
including
the
glass

and
outside
plastic
housing
.

Outside
mirror
glass,
replacing

CAUTION-

Mirror
shouldbe
ator
above
room
temperature
before
removal
.
Otherwise,
small
plastic
parts
or
glass
will
break
.

1
.
Insert
thin
pry
tool
(wooden
or
tape-wrapped
screwdriv-

er)
between
bottom
mirror
edge
and
mirror
housing
and

carefully
pry
out
mirror
glass
from
housing
.
See
Fig
.
1
.

2
.
Heated
mirror
:
remove
heating
element
harness
con-

nectors
from
back
of
mirror
glass
.

3
.
Install
new
glass
into
position
by
pressing
firmly
until
it

snaps
into
place
.

EXTERIOR
TRIM,
BUMPERS



510-1

00130
..

Fig
.1
.
Prying
mirror
glass
out
of
mirror
housing
.
Note
screwdriver
shaft
wrapped
with
tape
.

Outside
mirror
housing,

removing
and
installing

1
.
Remove
mirror
glass
as
described
above
.

2
.
Remove
housing
retaining
screws
and
lift
off
rear
hous-
ing
.
See
Fig
.
2
.

3
.
Tilt
mirror
housing
forward
and
compress
plastic
retain-

ers
and
lift
off
front
housing
.
See
Fig
.
3
.

4
.
Installation
is
reverse
of
removal
.
Check
mirror
function

before
installing
covering
parts
.

OUTSIDE
REAR
VIEW
MIRRORS

510-4



EXTERIOR
TRIM,
BUMPERS

Fig
.
8
.



Bumper
cover
retaining
screws
(arrows)
in
left
wheel
weil
.

7
.
Disconnect
harnessconnectors
at
outside
temperature



0013052

sensor
at
rear
of
left
side
of
bumperand
temperatura



Fig
.
9
.



Front
bumper
impact
absorber
mounting
nuts
(A)
and

switch
at
rear
of
right
side
of
bumper
(if
applicable)
.



bumper
bracket
hardware
(B)
.

8
.
Slide
bumper
straight
off
sida
brackets
.

9
.
Installation
is
reverse
of
removal,
notingthe
following
:



When
removing
and
installing
therear
bumper
or
its
compo-

"
Slide
side
brackets
on
bumper
and
body
carefully
to-



nents,
referto
Fig
.
10
.

gether
.

"
Make
sure
tabs
on
trim
strip
engage
slots
in
bumper



1
.
Raise
and
properly
support
vehicle
.

correctly
.

Tightening
Torque

"
Bumper
to
bumper

bracket
(M8
nut)
............
...
.
.
22
Nm
(16
ft-Ib)

2
.
Working
under
bumper,
remove
screws
or
expansion

Front
bumper
impact
absorber,replacing



rivetsat
corners
and
middle
of
lower
bumper
panel
.
Pull

panel
backward,
uncoupling
it
from
bumper
cover
.
See

Thebumper
mounting
bracket
and
impact
absorber
mount-



Fig
.
11
.

ing
hardware
are
accessible
with
the
Font
bumper
removed,
as
described
above
.
See
Fig
.
9
.



3
.
Remove
bumper
cover
expansion
rivets
and
screws
in-

side
left
and
right
rear
wheel
wells
.

NOTE
-

Install
the
bumper
bracket
boltwith
thread
locking
com-
pound
suchas
Loctite
8
270
or
equivalent
.

Tightening
Torques

"
Bumper
bracket
to
impact
absorber

(M10
nut)
.
..
.
...
.............:.
55
Nm
(41
ft-Ib)
"
Impact
absorber
to
chassis
(M6
nut)
...
9
Nm
(7
ft-Ib)

BUMPERS

Rear
bumper,
removing
and
installing

WARNING
-

Make
sure
that
the
car
is
firmly
supported
on
jack

stands
designad
for
the
purpose
.
Place
the
jack

stands
beneath
a
structural
chassis
point
.
Do
not

place
jack
stands
under
suspension
parts
.

4
.
Remove
left
and
right
bumper
bracket
mounting
bolts

and
remove
bumper
.
See
Fig
.
12
.

5
.
Installation
is
reverse
of
removal
.

NOTE-

Install
the
bumper
bracket
bolt
with
thread
locking
com-
pound
suchas
Loctite®270
or
equivalent
.

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

Fig
.
42
.
Upper
A/C
condensermounting
bolts
(arrows)
.

8
.
Before
recharging,
evacuate
system
for
at
least
30
min
.
Recharge
system
following
equipment
manufacturer's
instructions
.
See
Table
d
.
A/C
System
Refrigerant

Capacities
.

A/C
receiver/drier,
replacing

The
A/C
receiver/drier
is
mounted
in
the
front
right
cornee
of
the
engine
compartment
behind
the
headlight
assembly
.

CAUTION-

The
receiver/drier
must
be
replaced
when
-There
is
dirt
in
the
AIC
system
-The
compressor
has
seized
or
has
been
re-
placed
for
any
reason
-The
condenser
or
evaporator
are
replaced
for
any
reason
-The
AIC
system
is
leaking
and
there
is
no
more
refrigerant
-The
AIC
system
was
open
for
24
hours
or
more
.

1
.
Following
manufacturer's
instructions,
connectan
ap-

proved
refrigerant
recovery/recycling/recharging
unit
to

A/C
system
and
discharge
system
.

2
.
Remove
right
headlight
assembly
.
See
630
Exterior
Lighting
.

CAUTION-
3
.
Disconnect
A/C
electrical
harness
connectors
.
See
Fig
.



Always
replaceO-rings
when
reconnecting
refrig-
43
.



erant
lines
.

4
.
Remove
refrigerant
pressure
lines
from
receiver/drier
.

Plug
lines
immediately
.

5
.
Remove
receiver/drier
mounting
bolts
.

0013182

6
.
Remove
underbody
splash
shield
on
passenger
side
.

See
Fig
.
44
.

7
.
Remove
passenger
side
brake
cooling
duct
.
Discon-

nect
outside
temperature
sensor
harness,
if
applicable
.

HEATING
AND
AIR
CONDITIONING



640-15

0012669

Fig
.
43
.
A/
C
receiver/drier
electrical
harness
connectors
(A),
pressure
line
retaining
bolts
(B),
andmounting
bolts
(C)
.

0012668
Fig
.
44
.
Passenger
sidesplash
shield
retaining
screws
(arrows)
.

8
.
Push
receiver/drier
down
andremove
from
underneath
car
.
Make
sure
that
receiver/drier
is
clear
of
any
electri-
cal
harnesses
.

9
.
Installation
is
reverse
of
removal
.

10
.
Before
recharging,
evacuate
system
for
at
least
30
min
.

Recharge
system
following
equipment
manufacturer's

instructions
.
See
Table
d
.
A/C
System
Refrigerant

Capacities
.

AIR
CONDITIONING

ELE-130
ELECTRICAL
WIRING
DIAGRAMS
HOT
AT
ALL
TIMES
_



BLOWER
r
---
~IIGNITION



BLOWER



MOTOR
I



(SWITCH



BER



SWITCH



BLOWER
RELAY



RESISTORS
I
OFF



START(



OFF



MAXQQ
LOW



L
I



THERMA
ACCRUN



LO
M
HI



LIMITER
L---_--1'J

zl
4



B



1
5"
2
.
234

1



U
r
--
T
Iw
Q
I

[

2
REDIGRN

3
BLKIGRY
4
BLK/BLU

S



GRY
BLK
6



BRNORG
RE
O
GRN
B
-/GR
.

BLK/RED/YEL

AIC
COMPRESSOR

9
BLK/WHTIYEL
10
BRN/RED
11
GRY
12
BLU
13
YEL/RED
M
YE
E
LI
R
BLN
1S
YLIED
18
GRNIBLU

12
YELlV10
18
BRNIYEL

19
FE
./
.FN

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1993-95
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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