Repair group 130 BMW 318i 1994 E36 User Guide

GENERAL
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400-1



INTERIOR
EQUIPMENT
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400-4
Seats
and
Seatbelts
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400-4
BODY
ASSEMBLY
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.400-2



Instruments
and
Controls
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400-4

Exterior
and
Aerodynamics
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400-2



Central
Body
Electronics
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400-5

Coupe
Models
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400-3



Electronic
Immobilization
System
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400-5

Convertible
Models
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400-3



Heating
and
Air
Conditioning
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400-6

GENERAL

This
section
covers
system
descriptions
and
general
ser-

vice
information
for
the
repair
groupsfound
in
4
Body
and
5

Body
Equipment
.

When
working
or
servicing
cars
equipped
with
SRS
air-

bag(s),
the
following
precautions
must
be
observed
to
prevent

injury
.

F19
.1
.
The
BMW
E36
coupe
.

400
Body-General

BODY-GENERAL
400-1

WARNING
-

"
Airbags
are
inflated
by
an
explosivedevice
.
Han-dled
improperly
or
without
adequate
safeguards,
airbag
units
can
be
very
dangerous
.
Special
pre-cautions
must
be
observed
prior
to
any
work
ator
near
the
driver's
side
airbag,
the
passenger's
side
airbag
(where
applicable),
or
the
side-impact
aírbags
(where
applicable)
.
See
721
Airbag
Sys-
tem
(SRS)
.

"
Always
disconnect
the
battery
and
cover
the
neg-
ative
(-)
battery
terminalwith
an
insulator
before
starting
diagnostic,
troubleshooting
or
service
work
oncars
fitted
with
SRS,
and
before
doíng
any
welding
on
the
car
.

0013098

GENERAL

GENERAL
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510-1



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

Rear
bumper,
removing
and
installing



.....
.510-4

OUTSIDE
REAR
VIEW
MIRRORS
.
...
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510-1



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



.
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510-1



Bumper
height,
adjusting



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



EXTERIOR
TRIM



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



BMW
embiem,
removing
and
installing
.
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510-7

Body
side
molding,
replacing



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510-7
BUMPERS



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510-3



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



Front
panel,
removing
and
installing
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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

610
Electrical
Component
Locations

GENERAL
...........
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610-1



FOSE
POSITION
TABLES
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610-19

FUSE
AND
RELAY
POSITIONS
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610-1

Fuse
Positions
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610-1

Relay
Positions
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610-2

Auxiliary
RelayPanel
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610-2

SplicePanel,
Left
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610-2

SplicePanel,
Right
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610-3

COMPONENT
LOCATIONS
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.610-3

Component
Location
Table
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610-9

GENERAL



FUSE
AND
RELAY
POSITIONS

This
repair
group
covers
f
use,
relay,
and
control
module
lo-



The
front
power
distribution
box,
an
auxiliary
relay
panel,cation
information
.
Electrical
equipment
and
accessories
in-



and
two
auxiliary
splice
panels
contain
most
of
the
fuses
and
stalled
varies
depending
on
model
and
model
year
.
Always



relays
in
E36
vehicles
.
Refer
to
the
component
location
later

confirm
that
the
proper
electrical
component
has
been
identi-



in
this
section,
as
well
as
the
tables
at
the
end
of
this
repair

fied
by
using
the
electrical
wiring
diagrams
.



group
for
electrical
component
location
.

WARNING
-

On
cars
equipped
with
airbags,
special
precautionsapply
to
any
electrical
system
testing
orrepair
.
Air-
bag
units
areexplosive
devices
and
mustbe
han-
dled
with
extremecare
.
Before
starting
any
work
onan
airbag
equipped
car,
refer
to
the
wamings
and
cautions
in
721
Airbag
System
(SRS)
.

CAUTION
-

"
Prior
to
disconnectiog
the
battery,
read
the
bat-
tery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
viii
.

"
Relay
and
fuse
positions
are
subject
to
changeand
may
varyfrom
car
to
car
.
If
questions
arise,
an
authorized
BMW
dealer
is
the
best
source
for
the
most
accurate
and
up-to-date
information
.

"
A
good
way
to
verify
a
relay
position
isto
com-
pare
the
wiring
colors
at
the
relay
socket
to
thecolors
indicated
on
the
wiring
diagrams
located
at
the
rear
of
this
manual
.

"
Always
switchthe
ignition
off
and
disconnect
the
negative
(-)
battery
cable
before
removing
any
electrical
components
.

"
Connect
and
disconnect
ignition
system
wires,
multiple
connectors,
and
ignition
test
equipment
leads
only
while
the
ignition
is
switched
off
.

"
Only
usea
digital
multimeter
for
electrical
tests
.

ELECTRICAL
COMPONENT
LOCATIONS



610-1

TABLES
a
.
E36Component
Locations
...........
.
.
..
...
610-10b
.
1992
E36
Fuse
Positions
..........
..
.
.
.....
610-20c
.
1993
E36
Fuse
Positions
..........
..
..
.
....
610-22d
.
1994
E36
Fuse
Positions



.........
...
.......
610-24e
.
1995
E36
Fuse
Positions
.........
...
.......
610-26
f
.



1996
E36
Fuse
Positions



.........
...
.......
610-28g
.
1997-1998
E36
Fuse
Positions
..
.
..
...
.......
610-30

Fuse
Positions

CAUTION
-

"
Replace
fuses
with
those
of
the
same
rating
.
In-
stalling
a
fuse
with
higher
rating
can
lead
to
cir-
cuit
failure
and
may
also
start
a
fire
.

"
Relay/fuse
positions
vary
by
model
and
equip-
ment
.

Fuses
number
1
through
46
are
mounted
in
the
front
power

distribution
box
.
See
Fig
.
1.

Fuses
31-46

~
Illlllllllll

°
-
Ilmmlmomlmoi

Fuses
1-20

(a
1
:1
E
El

~
~O!7

L~~n

4~
i
Fuses
21-30

Fig
.1.



Fuse
positions
1-46
in
front
power
distribution
box
.

0013034

FUSE
AND
RELAY
POSITIONS

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
.
...
.
....
.
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.......
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.
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640-1



Heater
andA/C
air
distribution
motor,

replacing(rotary-knob)
.
.
...
.
.
.
.......
.
640-10

HEATER
AND
CONTROLS
.
.....
.
.
.
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.
.640-1



Rear
Window
Defogger
.
.
.



.
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.
.
...
.
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.
640-10
Blower
motor,
removing
and
installing
.
.
.
.
.
.
640-1



Rear
Window
Blower
(convertible
models)
.
.640-10

Blowermotor
resistor
pack,
replacing



.
.
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.
.
.
640-3



AIR
CONDITIONING
.
.
.
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.
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.
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.
.
.
.
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