1998 BMW M3 engine

87847

BLOWER
RELAY

6
GRN/BRN

.1
)2
GRNIBRN

B
CONTROL
SWITCH
GRY/RED

4
BRN



"BRN
+G202

RECIRC

RRDEFOG

INTEGRATEDHEATINGANDCLIMATECONTROL
MODULE

HOTAT



HOTINRUN



HOT
IN
RUN



HOTAT



HOT
AT
HOTATALLTIMES_



ALLTIMES



OR
START
_
__



_



ORSTART



ALLTIMES



ALLTIMES
r



71GNIT'ON



r



_
FU
_
SE



FUSE



FUSE



FUSE



FUSE



-
FRONT
POWER
I



S
WITCH



l
Box
I



I



I
20



23



18



39



41
BOXOFF



START



L
--_-
--5A-__
1
.5
=_--_
3
-_J
I



II



ACC
"



RUN



I

RED/YEL

EVAPORATOR
TEMPERATURE
SENSOR

Air
Conditioning
&
Heating

1997
318ti

BR=
'I
G201

,10
GRY/YEL

1
BRN

2
BRN
CLIMATE
CONTROL
S
WITCH
ILLUMINATION

ELECTRICAL
WIRING
DIAGRAMS
ELE-137

GRY/RED

DEFOGGER
SYSTEM

SOLID
S7A7E

WATER
FRESHAIR
TEMPERATURE
VALVE
COMPRESSORCONTROL
RECIRCULATIONMOTOR
WHEELSWITCH



RELAY



COMPRESSOR

BLU/BLK

BLKIGR

AIRCONDITIONING

BLKIBLU

_BLU
BRN

NORMALSPEEDRELAY

HIGH
SPEEDRELAY

1IABOVE88
DEGC



AUXILIARY
2)ABOVE80



FAN
MOTOR
DEG
C
BLK/GRN
3

+
.=N

1
L
----
'
+100



ABOVE
BLK
-
GRY


24



18BAR

BELOW
21
BAR

TEMPERATURE
SWITC

BELOW
15
BAR
ABOVE
2
.6
BAR
BELOW
ABOVE
1
.5
30BAR
BAR
PRESSURE
S
W
ITCH

BLK/
REDI
II
BB-K/
-
GRN
GRY
1



I
BlK/G
RV



85



I



I
VIO/G
RV



69



I



I
"
-LK/BLU
36,
I



I
L__I
ENGINE
CONTROL
MODULE

TRANSMISSION
CONTROL
MODULE

ELE-138
ELECTRICAL
WIRING
DIAGRAMS

BLOWER
RELAY

O

4
BI=
"-P-
"
-
+
G202

6G
.W
.R
.I
22
GRNIBR~

4
Gr
RNIBRN
B



G
RNIRED
1



7
BL
~
11
DR
.8
22
BLU
2

1
S
G
}
RNIGRV

BLOWERSWITCH

101298

N

BLO
WER
RESISTORS

1
NCA
ii
GRN/GRV

INTEGRATED
HEATING
&CLIMATE
CONTROLMODULE

HOTAT
HOTINRUNHOTINRUNHOTAT



HOTAT
HOTATALLTIMES
ALLTIMES
&START
__
____



_&START
ALLTIMES



ALLTIMES
r



_
_
_
---



,
IGNITION
I
FUSE



FUSE



FUSE



FUS~
FRONT
POWER



r
PUSS
-(AUXILIARY
I



(SWITCH
I



DISTRIBUTION



FUSEBOX
20



23



16



39
(
BOX



I
48
I
OFf
~



START
i



=0=
--
8=
----



SA----~7
.6A-I



L
~0=
-
J

I
ACC
"
RUN
I
m
I

RROElGG
1
BRN

INKS
CONTROL
SWITCH
1
GRV/RED

2
BRN
CLIMATE
CONTROL
SWITCH
ILLUMINATION
I



BRN
,
1
GRN/RED
I
2



B2



RN
3
VIO/GRN

,5
BLU/BLK
DRY

Air
Conditioning
&
Heating

1998
318ti

t7
>I



ml
¢>

EVAPORATOR
TEMPERATURE
SENSOR



FRESHAIR
RECIRCULATIONMOTOR
TEMPERATUREWHEELSWITCH

mI

G10D

WATER
VALVE
.CA]
COMPRESSRCONTROL
RELAY



j

BLK/GRY

BLKIBLU
211
NCA

NORMAL
SPEEDRELAY

HIGH
SPEEDRELAV

1)ABOVE88
AUXILIARY
DEGC
FAN
MOTOR
2)
ABOVE
6o
DEGC
BLKIGRN
3

RN
2
BLK/GRV
1~

DOUBLE
TEMPERATURE
SWITCH

I
BLKIG
RED/I
-
WNT
57
I



I
BLKI
GR~V~~I
I
BLK/



BLKIIGR=11
~I



I
VIO/GRV
fig
I



I
"



BLKIBLU
GB
I
I



I
L_
_I
ENGINECONTROL
No
DULE(DME)

OOm¢m
I
BLKIBLU
IS
%
l
.
6
~S
6
/S
2
.h



~
CONDITIONING
COMPRESSOR--
TRANSMISSION
.



CONTROLMODULE
(EGS)

2
BLK/BLU

4
WHT/GRN

8
FED/RY/YEL
HORNRELAY

l
1
REDIGRY/YEL
2
VIOIWHT

11
VICIGRN/YEL
X10244
ANTI-THEFTCONTROL
MODULE

8341
4
6
RED/GRY/YEL

BRN/GRY/YEL
BRN/BLUIYEL
25N/WT
BLK/BLU
_

BLK/
BLU
BRN

ELECTRICAL
WIRING
DIAGRAMS
ELE-147

Anti-Theft

1994
Late
Production

Alpine
System

HOTATALLTIMES



HOT
IN
ACCY
.
RUNAND
START
r
-
~



-,
AUXILIARY
FUSE
BOX



r
~



-1
FRONT
POWER
L



E
J



L



F43
E
J
DISTRIBUTION
BOX
ISA



5A



I

REDIGRY/
I
VIO/
YEL



WHT

REDIGRY/I



VIO/
YEL



WHT

G312
G-

(4
DOOR)
G203
(2
DOOR)

BRN
/



BRN
I



BRN
/



BRN
BRN

SRNIGRY/
EL
22~
BRNIBLU/EL



3
I



IBRNI_BRNI_



W~
I



I
X13254
I



I
I



I
WHTT/SRN
22
i
I
I
VTOIGRNI
-



YI



I
X1D
1B2
L
--
I
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
IV)

VIOIGRN/
EL



2
~I
i
ON-BOARD
COMPUTER
BRN
/GYELI
BRN/
VEL~



WHTI



WHTI
VIO/G
YELI
VIO/G
YELI

ANT
1-J
,
[7]
DRIVERS
[7]

PASSENGERS

LEFT



///111/
...
RIGHT
JJ11/
~~
..
RADIO



..
.+1+11/i
..
ENGINE
FT



DOOR



DOOR



REAR



REAR



MICRO



HOOD
HORN



SWITCH



a
SWITCH



CONTACT
~
CONTACT



SWITCH
't
DOOR



SWITCHTHE

ELE-148
ELECTRICAL
WIRING
DIAGRAMS

HORN
RELAY

83388

I



Z
BL_

44



W
H~

8
RED/GRY/YEL

6
RED/GRY/YE

Anti-Theft

1995-97
Except
318ti

Alpine
System

HOT
AT
ALL
TIMES



HOT
IN
ACCY,
RUNAND
START
r



-1
AUXILIARYFUSEBOX



r



-,
FRONTPOWER
I



FUSE



I



I



.69
E



I
DISTRIBUTION
BOX
I
1-
I



I
SA
L



_
.
J
PEO/GPY/
YEL

REO/G
YELI



WH7I

I



SWITCH
DHANDLE

BLK/
BLU
BRN
I



BRN

BRN/WHT

TRUNK
LIGHT
SWITCH

4
BRN/GRY/YEL
~~ll
6
BRN/BLU/YEL
-

71~
l!fi



BRN/WHT

!~
7
BLK/BLU
(
BLU/GRN/YEL
9
WHT/RED/YEL
10
BLUIPED/YEL
11
BRN/WHT
12
BRN/REDIYEL
X
1+02s
~
(
1



VIO/GRN/YEL

LOW-NOISE



A,



'k
MICROPHONE



ANTI-



DRIVERS



PASSENGERS
LEFT



RIGHT



RADIO



ENGINE
THEFT
DOOR



DOOR



REAR



REAR



MICROSWITCH



HOODHORN



JAMB



JAMB



DOOR



DOOR



SWITCHSWITCHSWITCH



CONTACT
CONTACT

SRN
I



BRN

(4
DOOR)
G203
(2
DOOR)

BRN
I



SPIN

BRNI



SPIN
I

11
G200



G200

BLU/REDIYEL

1
G200

BLUIGRN/YEL



2
,I



I

---
I
CRASH
CONTROL
MODULE

i
--
1
SLUIREDIYE
!
I
WHT/RED/YEL
17



I
X132B
3
I



1

BRNIRED/YEL
1
.BRN/GRY/YEL
2
BRN/BLU/YEL
3
BRN/WHT
6

WHT/GRN
7
VIOIGRN/YEL
17

VIO/GRN/YEL
2




I
X
.14192
L
--I
BODYELECTRONICS
CONTROL
MODULE
(2KE
IV)

,I
L
--I
ON-BOAFOCOMPUTER

ELE-150
ELECTRICAL
WIRING
DIAGRAMS

JA

HOTATALLTIMES



HOTAT
HOTINRUN



HOTINACCY,
ISWIT
H
NALLTIMES
-
ALLSTART



RUNANDSTART
I



F
USEFUSE



1
FRONTPOWER
LOCK



START



F45
I
P46



I
DISTRIBUTION
I



FUSE



FUSE



1



I
BOX
ACC
*
RUN



IF31



F28



(199631811)
/(EXCEPT
~Y'J
I



I



A



JIA
----
7'5A
T



6318H)

STARTING
,
SYSTEM

93580

93583

/

J
AUTOMATIC
GRNISLK
1
.~



I



I
TgqNSMISSION
I
RANGES
WITCH
I
(OOPF(LOW))
(1
ON
(HIGH))

RED/GRN
GRN/GRS~



VIOIYELI

DATA
LINK



20
WHTIVIO
CONNECTOR
,
1
2
WHTIVIO
f
3~
GRN/BLN
~4
GRN
~5
REDIGRP

BLKIYEL

ELECTRONIC
IMMOBILIZER
CONTROL
MODULE

7BRN



~
BR~B
BlK/GRN
~9
BR
NIBLK
X10f
it
i}
2



BLK
13
BL
S
U
X
16
BLUIRED/VEL
~15_
.
BLK/GRN
X1659

RED/GRNIGRN/GRYI



VIOIYEL

DATA
LINK
20_W_HT1VI0
_
CONNECTOR
STARTING
,
SYSTEM

Anti-Theft

1995-98

EWS
II

TRANSMISSIONS
SYSTEM
BLK
I



BLK/VIO

BRN/
BLK
I
1
BLKYEL
TRANSMISSIONS
2



WHT
VIO



SYSTEM
3
GRNIBLK



(A/TONLY)
d
GRN
-
~
5



flE0
GRN

END
NECONTROL
MODULE(DME)

H
TAATALLTIMES



HOTAT



HOTINRUN



HOTINACCY,
---7IGNITIONALLTIMES
ALLSTART



RUNANDSTART

AUTOMATIC
GRN/BLK



I



I
TRANSMISSION
I



I
RANGESWITCH
L



I
(A/T)
STARTER
(A/T)
7T
IMMOBILIZATION
(MIT)2I



SWITCH
(MIT)

MODULE
ENGINECONTROL
r--__--
MOOULE(OME)

EXCEPT
3188

NCA
NCA
2

IGNITION
SWITCH

I
NCA
7
X
90260
B
RN/ORG
3
VIOIYEL
2
BLU
1
=
I
TRANSMITTER
MODULE
(EWS
II)

BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
IV)

BLK/GRN



1
,I



I

ON-BOARD
COMPUTER

G203~
6201
-



TRANSMITTER
MODULE(EWSII)

BLUIRED/YEL
,
BLUIG
FIN10~I



-
I
ANTI-THEFT
CONTROL
MODULE
(ALPINE)
6

,7BLKRN
"
6R=--,+G202
®



)9



RN
BLK



.X
10184
I



I
X
10



"



BLU/RED/YEL



4
I



I
11



32i
`
X
l
_
12
BL~



BO
.YELECTRONICS
X13
BLU



EXCEPT
CONTROL
MODULE
(ZKE
IV)
3186
~14
BLU
RED/YEL



__
_
15
BLK
GRN



BLK/GRN



1



I
X
16so



I
GRN(OR

BLK/GRN
15

IMMOBILIZER
BOI

1'8r-28

.M3

ELECTRONIC



BLK(
BLK/VIO)



ON-BOARD
COMPUTER

ELE-152
ELECTRICAL
WIRING
DIAGRAMS

104754

LOW-NOISE
MICROPHONE

ANTI-THEFT
CONTROL
MODULE

NCA
NCA

BL
K

VI
0

11
LED



CRASH
CONTROL
MODULE

NCA

NCAi~1
.RED/GRY/YEL

2
VIO/WHT

3
BAN



"
BAN

LCD
4
BRN/GRY/YEL
l~lJ



l
5
BRN/BLU/YEL

77
BL

88



8L~
U/GRN/YEL

LCD
9~W

10



BL
S
U/RED/YEL

11
B
RA

12
BREL

10244

ANTENNA

VIO/GRN/YEL

Anti-Theft
Forced
Entry

1998
318ti
-

HOT
AT



HOT
IN
RUN,
ALL
TIMES



AC
CY
AND
START

FUSE



-1
AUXILIARY



F
1
FUSE



-1
FRONT
POWER

F47



I
FUSE
BOX



I



F43



I
DISTRIBUTION
BOX

15A
I

_J
2



26

RED/GAY/



VIO/
YEL



WHT



BLU/GRN/YEL
2



I

I--

RED/GRY/
/



VIOL

BLK/
I



VIO/GRN/
I



BRN/
I



BRN/GRY/
I



BRN/BLU/
BLU



YEL



WHT



YEL



YEL

BRN/GRY/YEL
23

BAN
I



BAN
I



BAN
I



BAN
BAN
I



BAN
I



BAN
I



BAN
I
-
97



A
L



47

G100



G201



G404



G201

INSTRUMENT
CLUSTER

BLU/RED/YEL
14
j



I

ELECTRONIC
IMMOBILITER
CONTROL
MODULE

BRN/GRY/YEL
2
I
I



I
BRN/BI
/YEL
3~I



I
X
13254
I



I

I



I
I



I
WHT/RED/YEL
17
I

BLU/RED/YEL
4
I



I
X13253
I



I
BRNIRED



I



I

BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
IV)

ANTI-



ENGINE
THEFT



HOOD
HORN



I
SWITCH
SWITCH



~
JAMB



JAMB
I



SWITCH



SWITCH
-

8299
1

/~



EXCEPT
BRAKE



~J
1997
FLUID
IND
A23
~
.
A16
I



I
SRS
IND

A17

81
18
B

B24

J,



CHARGE
PARK



IND
BRAKE
IND

CHECK
ENGINE
IN.

LEFT
TURN
IND

RIGHT
TURN
IND

1997
ONLY
FUEL
CONSUMPTION
METER

CHECK
IND

SEAT
FRONT
BELT
10
.
LT
INDIND

HIGH
BEAM
IND

FUEL
RESERVE
IND

FUEL
GAUGE

ILL
UM



A22



25
~
(3
USED)



EXCEPT
y
28
7992

TEMPGAUGE

INSTRUMENT
CLUSTER

InstrumentPanel

1992-97
Except
318ti
(1
of
2)

B

-ELECTRICAL
WIRING
DIAGRAMS
ELE-165

HOTATALLTIMES
________



HOT
IN
RUNAND
START



HOTATALLTIMES
IGNITION
r



FUSE



FUSE
I
FRONT
UTION
I



(SWITCH
F21



~F31
DISTRIB1000%
LOCK



START
LOCK



START
LL
I
5
_A
_-__-
ACC
RUN
ACC
RUN



14



2
L---



-------
-
-



OR
N1



RED/
T



V



YEL
11

EXCEPT



2



lo
GRN
1997
VIO

RED/WHT
1
(ORWHT)
2
GRYIRED
3
BLU/BRN
4
BLU/GRN
5
GRVIBRN

BS
7
CONVERT-
8
ISLE
ONLY

HEADLIGHTS
SYSTEM
INTERIOR
LIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
TRANSMISSION
SYSTEM
EXTERIOR
LIGHTS
SYSTEM

9
I
iw
.TIBLU
POWERTOPSSYSTEM
11
WHT/YEL
12
WHT/VIO
13
BRN/RED
14
BLU/BLK
15
VIO
16
GRY
-
ENGINE
CONTROLS
SYSTEM
17
BRN/GRN
18
BAN
/Vlo19
YEL
20



BLK



ENGINE
CONTROLS
SYSTEM
A79



21
WHT/BLK
22
RED/YEL
814



23
GRNIVIO
24
BRNIORG

SUPPLEMENTAL
RESTRAINTS
SYSTEM

SPEEDOMETER



816
CONNA
1
WHTIRED
B4
~2
BLK/WHT
ROLLOVER



33
8R~N
PROTECTION
IND



B17



4
GRN/BLU
(CONVERTIBLE)



5
GRIN
TACHOMETER



B18



6
BLU



STARTING/
7



CHARGINGSYSTEM
A20



8
YELIBRN
B
-K/FED
10
WHTIGRY
11
GRYIBLK/YEL
12



BL
LISP
N13
GRN/PED
14
BLU/VIO/YEL
15
WHT/GRN
89



16
VIO/YEL



BRN
"



~I
G202
17
BRNIYEL



GRY/BLK,



BFN

15



18
BN/VIO



VEL
B
ANT
19
BRNIGRN



1997
LOCK



~`r~i
j



W/OASCW/ASO
83



20
GRYIBLK/VEL



ONLY
SYES
4



STEM
GRV/BLK/VEL
21
(ORBRN)



(ORBRN)
22
BLU/BLK
23
BRN/GRV/VEL



BRNIGRVIVEL
19

BRN/GRV
OR
BRN/GRN

HEADLIGHTS
SYSTEM

BODYCOMPUTER
SYSTEM
ANTI-LOCK
BRAKESSYSTEM
ANTI-LOCK
BRAKESSYSTEM
(EX
1992
A1993)
ENGINE
CONTROLS
SYSTEM
(1997
ONLY)
BLU/VIO/YEL

J

EXCEPT
1
.92
.
1993

BIN/
VIO
BRN/GRN

11

OIL



[
._~]
PARK



RA11FL11

AL.^



SWITCH
I
PRESSURE



BRAKE



LEVELSW
U
ITCH
SWITCH

111
G202
GROUND



GROUND

REDIYELRED/YELRED/YEL
WHTIYEL
WHT/VIO
BRN/RED

YEL

GRN/BLU
BLKIWHTBRN/BLK
BLK/RED

WHTIGRN
VIO/YEL
BRNIYELBRN/VIO
BLU/BRNIYEL

BRN/YEL

e9
0
11

1213
141516

ELE-166
ELECTRICAL
WIRING
DIAGRAMS

"
-

N15
WH7/VA



I
COLIESSSVSTEM
20
WHT/VIO

DATALINK



WHT/GRN
CONNECTOR



WHT/YEL
1

WHT/VIO
REDIVEL
FF"
2
REDIVELREDIVEL

17
BRNIYEL

170
I
TAC-I~
RADIO
DRIVER'SSEAT
BELT
SWITCH

BLUI



I
_



I1
BRN
VIO/YEL
2



I
-
18

19
BRN/GFY/YEL
20
BLU/VIOIWHT
21
BRN/RED

YEL

8299
2

YEL

LEFTFRONT
BRAKEPAD
SENSOR

RIGHT
EAR
BRAKEPAD
SENSOR
HOTINRUNANDSTART



HOTINACCY,PUNANDSTART



HOTINACCY,RUNANDSTART

r
F23
E___



USE
__________-IFFUSE
USE
IDSOTRIBUTIONBOX

BLK/WHT

BRN



"BAN



,I
G312

BRNIVIO

ENGINECOOLANT
TEMPERATURESENSOR

InstrumentPanel

1992-97
Except
318ti
(2
of
2)

5A_____-TISA
____________
.T7
.5AJ
B



32



30Y
GRN/



viol
I



viol
BLU
I



YEL



WHT

WHT/VEL
WHT/VIO
BRNIRED

EXCEPT
1992
&
1993



OIL7EMPESENSOR

7
YEL



(CANADA61997)

.
BRNIGRVIYEL

e
GRNIBLU
9
BLKIWHT



DRIVERS
DOOR
0



JAMB
1994
SWITCH
1
BIN/ILK



(19926
1
993
BLK/RED



2
DOOR,
6

VIOI



WICCM



CONVERT
BR
WHTIGRN



YE'
I



3



N/GRY
~

(EX
1992
6
7993
200

V"'

0R
6
VIO/YEL



I
BRAKELIGHT
.
1990
CONVERTIBLE)
BRNIYEL



SWITCH
BRN/VIO



I



I



8RN/GRV
BLUIBRN/VEL



-
----+-j
W/CCM

.LU/



COMPUTER
REDI



BRN1
~



TEMPSENSOR

MMONE

-
.

INNER

BRNIYEL
I----



I



I--
-



-----
--
W/_I



I



I
CC
M

CHECK
CONTROLMODULE



ON-BOARD
DISPLAYICOMPUTER

BRN

G203

BRNIYEL

FUELTANKI
SENSOR"

FUELLEVEL
SENSORI

8RN/BLK
BRN/BLK
VEHICLE
SPEEDSENSOR

BF
RED
an
RED
YEL

GRN/BLU
9
I
WIT/

WHT/RED
11-I



I
BRNI
.P
Y12
I



I
BLK/WHT
13
I
VIO/WHT
10
I
BLU/VIO/WHT
75
I
GRV/RED
18`
I



I
BRN
17
~I
PEDIYEL
18
I



I

MULTI
FUNCTION
CLOCK

WHTwHTRG1
-
I
WHT/BLU
3
I



II



I
BLKIRED
2
{
I



I
REOIVE
L4
I



I

CHIMEMODULE