1997 BMW 318i Antenna

640-10



HEATING
AND
AIR
CONDITIONING

i

El
Radio

Antenna

Rear



.
,



si,-
Left
side



I
d

1
.
Rear
vents
2
.
Fresh
air
3
.
Face-level
vents
4
.
Recirculation
5
.
Footwell
vents
0013017

Fig
.
28
.
Location
oflate
production
air
distribution
motors
in
heater
box(shown
in
rear,
side
and
top
views)
.

Heater
andA/C
air
distribution
motor,

replacing
(rotary-knob)

1
.
Toaccess
left
side
motors
(dash
vent
mixing
or
recircu-

lation
flap),
remove
lower
dash
panel
and
knee
bolster

on
driver
side
.
See
513
Interior
Trim
.

2
.
To
access
right
side
motor
(fresh
air
flap),
remove
glove

compartment
.
See513
Interior
Trim
.

3
.
Each
motor
can
be
removed
after
its
electrical
wiring

harness
connector
has
been
removed
.
Squeeze
plastic

clip
to
release
motor
.
See
Fig
.
29
.

Fig
.
29
.
A/
C
air
distribution
motor
plastic
retaíning
clip
(arrow)
.
Re-
lease
clip
and
tilt
motor
out
of
housing
.

Rear
Window
Defogger

0011877

The
rear
window
defogger
switch
is
integrated
with
the
heating
andA/C
control
head
.

HEATER
AND
CONTROLS

Fig
.
30
.
Wiring
diagram
of
rear
window
defogger
and
radio
antenna
.

Rear
Window
Blower
(Convertible
Models)

A
blower
fan,
fitted
into
the
rear
seatback,
defogs
therear

window
.
It
will
only
operate
with
the
engine
nunning
and
the

top
raised
.
A
microswitch
behindthe
rear
seats
provides
the

signal
that
thetop
is
raised
.

To
access
the
blower
fan
motor,
it
is
necessary
to
remove

four
screwsfrom
the
center
seat
back
.
Remove
the
wiring
har-

ness
connector
and
motor
mounting
boits,
then
remove
motor

by
pulling
it
down
and
forward
.
See
Fig
.
31
.

ri

Suppressor
filter

1
0013005

Fig
.
31
.
Rear
window
blower
in
center
of
rear
seat
back
(arrow)
.

The
electric
rear
window
defogger
is
integrated
with
the
ra-

dio
antenna
.
See
Fig
.
30
.



y



/f



0013014

GENERAL
.........
.
.......
.
.
.
.
.
.
.
.
.
..
650-1



Rear
speaker,
removing
and
installing
.
.
.
.
.
.650-5

Door
panel
speaker,

AUDIO
SYSTEM
............
.
.
.
.
.
.
.
.
.
..
650-1



removing
and
installing
.
.
.
.
.....
.
.
.
.
.
.
.
.650-5

Radio
connector
..
.
.
.
.
.
.
.
.
.
.......
.
.
.
.
.
.
650-6

RADIO
AND
SPEAKER
SERVICE
.
.
.
.
.
..
650-2

Radio,
removingand
installing
.
.
.
.
.
.
...
.
..
650-2

Left
footwell
speaker,

removing
and
installing
.
....
.
.
.
.....
.
.
.
650-3

Right
footwell
speaker,

removing
and
installing
.
....
.
.
.
.....
.
..
650-4

GENERAL



AUDIO
SYSTEM

Thissection
coversthe
BMW
factory-installed
sound
sys-



The
BMW
E36
is
equipped
with
a
three
band
radio/cassette

tem,
including
radio
and
speaker
removal,
radio
connectors



player
unit
mounted
in
the
middle
of
thecenter
console
.
In
ad

and
terminal
designations
.



dítion
to
AM
and
FM
bands,
the
radio
will
receive
broadcasts
from
theNational
Weather
Service
.

The
antenna
is
incorporated
into
the
rear
window
defogger
.

650
Radio

Fig
.
1
.



Radio
amplifier
(premiumpackage)
in
luggage
compartment
behind
left
panel
.

RADIO
650-1

TABLE

a
.
Radio
Connector
Terminal
Designation
...
.
......
650-6

The
cassette
deck
is
equipped
with
the
Do1byTM
C
noise
re-
ductionsystem,
for
improved
tape
performance
with
reduced

background
tape
noise
.

A
6-speaker
audio
system
was
standard
in
the
early
years

ofthe
model
line
.
Many
additional
features
have
been
in-
stalled
as
optional
or
standard
equipment
duringthevehicle
production
run
.

"
A
200-watt
power
amplifier
with
custom-contoured

equalization
and
ten
speaker
output
.
See
Fig
.
1
.

"
A
multi-disc
compact
disc
changer,
for
which
the
vehicle

and
the
radio
are
prewired
.
See
Fig
.
2
.

Fig
.
2
.



Optional
multi-disc
compact
disc
changerand
disc
cartridge
.

AUDIO
SYSTEM

650-
6
RADIO

Radio
Connector



Tablea
.
Radio
Connector
Terminal
Designation

Table
a
lists
radio
connector
terminal
designations
.
The
pin

numbers
are
identified
in
Fig
.
15
.

20103040
50

60
90
7
0
0
80
110120130140150160
170

Fig
.
15
.
Radio
connector
.
See
Tablea
.

RADIO
AND
SPEAKER
SERVICE

Terminals
1-17

C1)
Connector

0011850

Connector
SignalTerminal

1



1
Speaker,
left
front
+
2



1



Speaker,
right
front
+
3



1
Speaker,
left
rear
+

4



1
Telephone
mute
feature
(where
applicable)

5



1
Positive
(terminal
R)

6



1
Frontspeaker,
left

7



1
I-bus
connection
(diagnostics)

8



Speaker,
left
front

9



1
Constant
positive,
Terminal
30

10



Speedometer
signal
for
speed-sensitive
volume
control
(where
applicable)

11



1



Speaker,
rightfront

12



1
Speaker,
left
rear

13



1
Illumination
(terminal
58G)

14



Speaker,
right
rear

15



1
Ground
(terminal
31)

16



Automatic
antenna
or
window
antenna
amplifier
or
premiumsound
system
amplifier

17



Notassigned

!'~_T-

ELE-62
ELECTRICAL
WIRING
DIAGRAMS

ANTI-



PASSENGER'SPASSENGER'S
DRIVER'S



DRIVER'S
SEAT
THEFT
SIDE
SEATSEAT
SIDE
OCCUPANCY
CONTROL
IMPACT
BELT
BELT
IMPACT
DETECTOR
MODULESENSOR
SWITCHSWITCH
SENSOR

I



I



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I
r
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I
r
II
'T
I

Ground
Distribution

1998
318ti
(3
of
3)

RIGHT
DRIVER'SDRIVER'S



REAR



DRIVER'S
REAR



LEFT



RIGHT
DOOR
SEAT-



DRIVER'S
BRAKE



SEAT
CENTER
TRUNK
TRUNK
CENTRAL



TRUNK
JAMB
BACKFUELSEAT
PAD



CDHIGH



CONTROL
INTERIOR
LIGHT



LIGHT
LOCKING
LEFT
RIGHT
LIGHT
ANTENNA
REAR
SWITCH



HEATER



PUMP



HEATER



SENSORCHANGER
LEVEL



SWITCH



LIGHT



ASSEMBLY



ASSEMBLY
SWITCH



LICENSE
LICENSE



SWITCH
AMPLIFIER
DEFOGGER
STOP



PLATE
PLATE
I



I
I



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I



I(



I
I



II



I
LIGHT



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(



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LIGHT
I



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vvVVV
Y
VY

ASSABS
LEFT
RIGHT
CONTROL



RIGHT
ASS
PUMPFRONT
FRONT
MODULE/



SLIP



FRONT
HYDRAULIC
MOTOR
SPEEDSPEED
HYDRAULIC



CONTROL



SPEED



AIR
UNIT
RELAY
SENSOR
SENSOR
UNIT



MODULE



SENSOR



PUMP

104445

F
-,
F
-,
F
-,
IIII



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--
,



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G704
G404

ELE-134
ELECTRICAL
WIRING
DIAGRAMS

HOTATALLTIMES
r



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I



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ACC
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BRN

FINALSTAGEUNIT

AUTOMATIC
CLIMATE
CONTROLMODULE

7Y
O
2
GRNI



FED/
II



GRNI

6
GRN/BRN(ORFEDIGRN)

M
NCA
1
BRN/=EL

BLOWERMOTOR

I
~
FUSE20
FUSE31
SE=35E1
BOX
IE40
I
3OAA
730A



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L`Y
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----
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GRN/SRN
m

N
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I
(OR
RED
/
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I



>

1
FLU
2
DRY
3
VEL/RED
6
VEL/BLU
5



BLK/WHT



BLK/GRN
B6BILK



BLK/BRN

HIGH

7
GRY/RED



INTERIOR
(ORBLK/GRY)
58
BLK/WHT/YEL



LIGHTSSYSTFM
CVL
,
4-CYL
9



BLK/GRN



STARTING



GRNIVIO
4
-
6

I

-
10
VIO/GRY



CHARGINGSVSTEM



¢I
BLU/BLK
BRN/VEL



DEFOGGERl
POWERANTENNA
VEL/BRN



SYSTEMS
14
WHT
15
BLU
16
GRY
17
YEL
18
VEL/VIO

N
i

19
BLU/RED
20
GRN/BRN
21
BRN
22
BRN/ORG
23
BRN
24
GRN/VEL
II
25
RED/VEL
26
WHT/VIO

1
RED
2BRN3
YEL

IF
~Y
J
EQUIPPED
PARKVENTILATION
VEL



CIRCUIT

Air
Conditioning
&
Heating

1998
Except
318ti

HOTATALLHOTATALL
HOTINRUNHOTATALLHOTINRUN
HOTATALL



HOTATALL
=M~S
TIMES
-=Tf~R-
TES
6S=ART
TyMES



TIMES
gUXILIARVFUSE
BOX
(DISTRIBUTION

RECIRCULATION



REARRECIRCULATION



REGULATION
FLAP



DEFROSTER
FLAP
FLAPMOTOR
FLA
'MOTOR
MOTOR



MOTOR
101446

AIR
CONDITIONING
COMPRESSOR

Gl00'Il7
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R
-~
M
BL}

COMPRESSORCONTROLRELAY
AUXILIARY



B
FANMOTOR



I
LU



'
I
I6-CVL
14-CVL
(6-CVL)
BLK/BLU



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N/VIO



8
-
G10~
RN
~



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BL



BLK/GRY
4
4-CVL

!t



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BLK/



RED/GRN
6



I
GRN/RED
5
BLU
2
~~

m
~~m

AUXILIARYFAN
MOTOR
(4-CYL)

mIU

GRN/VIO
4

RED/GRY
6



I

BLK/RED/VEL
2
6-CYL

BEEN

u
uuu
LEFT
HEAT



SIGH
T
HEAT



OUTSIDE



EVAPORATOREXCHANGEREXCHANGERTEMPSENSORTEMPSENSOR
TEMPSENSOR
TEMPSENSOR

LIVIDit
NCA
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)
~LEFT
I



lII
VALVE

FIGHT
IjIIVALVE
CA
WATER
VALVE
EL
BR

ASSEMBLY

BLK/BLU

(NOT
USED)
9(

BLKIBLU
2
IJ
NORMALSPGED
RELAY
BLU/
BLK

(6
CYL)
SPEEDRELAY

4-CVL

BLK



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{
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BLK/BLU
36
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-
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-------
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--
-
-
1FRONTPOWER
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GRVIVIO
68
4
II
TRANSMIS
FRESH
AIR
FLAP
MOTOR



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SYSTEM
BLKJWHT
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ELE-144
ELECTRICAL
WIRING
DIAGRAMS

8900
2

F7
CONTROL
MODULE
tALPINE)

LED

fl

LOW-NOISE
MICROPHONE

CA

ANTENNA

NCA



51
R
ED(GRV
I
V
EL
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VIO



3
~2
VIO/WHT
BRN



533
BRN/ORG
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(<
BRNBRNIGR

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5E
BRNIBLU

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NCA
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36
BRN/BLK
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EL
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LU/GRN



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BLU/RED
11
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N
CA



X13025'
VVVV=O
BB=K
NN=
A
NCA

ELK

VIO
..
VIO

BRN/WHT

Anti-Theft

1992-93
3181
&
3251

Alpine
System

HOTATALLTIMES
HOTINACCV
.RUNANDSTART

I



FUSE



--------
-



FRONT
POWER
RU



FU
DISTRIBUTION
BO%

16
X14415



26
X10018
REDIGRYIYEL
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VIO/WHT
I

RED/GRY/YEL/



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TRUNK
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T
TEPIOR
LIGHTS
S
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1
BRN

BRN'
1
G203

BLKIBLU

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/



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.
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1
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~ONTACT
R
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C



INE)

INSTRUMENTCLUSTER

CRASH
CONTROL
MODULE

X13
412
I
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7
I
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1
I
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ON-BOARD
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8900
3

ANTI-THEFT
CONTROL
MODULE
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LOW-NOISE
MICROPHONE

ANTENNA

_VIO
_
BILK
_NCA
NCA

Anti-Theft

1992-93
318is
&
325is

Alpine
System

HOTA_TA_LLTIMES
_
_
_
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BLU/GRN/VEL



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BLU/RED/YEL



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25
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BRNIBRNI

11
3203G203

ELECTRICAL
WIRING
DIAGRAMSELE-145

BRN/WHT

TRUNK
LIGHT
SWITCH

I
IBOARD
I
IOMPUTER
I
(HORN
RELAY

ANTI-THEFT
HORN
(ALPINE)

BRNIBLUIYELI
2
PASSENGER'S
WINDOW
RETRACTION
DOOR
HANDLE
CONTACT

BRN/RED/VzLI



BRN/BLUIY2LI



BRN/GRV/VELI
BRN
BL
BLK



DRIVER'S



PASSENGER'S



DRIVER'SITCH
HANDLE



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MB



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MB
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COLD/WET



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VIO
~



VIO



BRINt
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BR
I
Nt



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I
M

BRN/RLU/YEL
2
.

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il



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BPN/GRV/YEL
ORIVER'S
WINDOW
DETRACTION
DOOR
HANDLE
CONTACT
CRASH
CONTROL
MODULE

CENTRAL
LOCKING
MODULE

BPN/BLU/
EL..
L
(
I



----



I

PASSENGER'SSIDE
POWER
WINDOW
MODULE

DRIVER'SSIDE
POWERWINDOW
MODULE

ELE-146
ELECTRICAL
WIRING
DIAGRAMS
ANTI-THEFT
CONTROL
MODULE
(ALPINE)
8341
3

ANTENNA

VIO



1
2
V~0/WHT
BRN



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BR
NBRN/ORG
4
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BRN/GY/YEL

NCA



B
BR~



NIBLUIVEL

NCA



66
0R
-

NCA



86
BLU
BLUIYEL



B
WHD/1=EL
BLU/GRN



10
BLU
B
LU



111
BRN
L
/WHT
N
CA



12
BR
17
~V=L
X13
923
VIO
BRN/WHT
0=K
NCA
NCA

BLK

BLK

Anti-Theft

1994
Early
Production

Alpine
System

TRUNK
LIGHT
SWITCH

EXTERIOR
LIGHTSSVS

HOTINACCY,RUNANDSTART
rfi
-IFRONTPOWER
E

VIO/WHT

I
F43
IDISTRIBUTION
BOX
L
6A
_J
26T
x19D3a
VIO/WHT
/

LOW-NOISE



NCA



BR
MICROPHONE
I



BRN/BLK)



/
BRN/GRY/VEL
1
2

VIOVIO
~C



NCAI



8
RN

BRN/



SRN

1
.



A
-
G310



G312

WHTIREDIVEL
17
I
BLU/RED/YEL
I
4
1

21
J

T

.
(



'SWITCH
MB



I



SWRCN
MB

21
BRN/BLKI



8RN/BLU/VE2~



l
~
'
DRIVER'S
NCA



III1/1/1//~~~



DOOR
HANDLE
SWITCH
Z

(WITH
COLO/WET

SWITCH
MB



~DWIOTCH
AM
.RS



BRN
11

PACKAGE)

~J



I



I
TI



I
ERNI

BLK/GRNIVEL



2
,I



I

BRN/RED/VEL
1
I
I

1
G203
BRN/
BLU/V
E-21
1I

CRASH
CONTROL
MODULE

BRNIGRYIYEL
2

I



I
.RN/81K
4
,
X1+Z54
L______)
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
I
V)