1993 BMW M3 Workshop Manual

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

HK
ENGINE



W



STEM
IN.



2
GRV/RED
S(
)



INTERIOR
LIGHT
ICNDEC



S
SYSTEM
~3
-
BLU/BRN
EXTERIOR
LIGHTS
SYSTEM
A14
4
BLU/GRN
j~
EXTERIOR
LIGHTS
SYSTEM
5
GRVIBRN
~~
TRANSMISSION
SYSTEM
67

INSTRUMENT
CLUSTER

10462
8

ELECTRICAL
WIRING
DIAGRAMS
ELE-167

Instrument
Panel

1998
Except
318ti
(1
of2)

11
WHT/VEL
12
WHT/VIO
13
BRN/RED
14
BLUIBLK
I
SUPPLEMENTAL
1



RESTRAINTS
SYSTEM
ifi
GRV
17
BRN/GR
18
BRNIVIO
19
YEL

HOTAT



HOTINRUN
HOTINACC,
HOTINRUN
ALLTIMEE



ANDSTART



RUNAND
START



ANDSTART
IGNITION



r



FUSE



FUSE



FUSE
1
FRONTPOWER
SWITCH



I
DISTRIBUTION
BOX
I



I



I
~
F27



~F46



~
F23
I
LOCK



_START
I



L



SA
----



15A
---
EA
-
J
I
ACC
*
RUN
I
1



1
.'f



32Y



BY
L------IJ



GRNII



viol
I



GRNII
VEL
I



BILL
I

ENGINE
CONTROLS
SYSTEM

GRN

DATA
LINK
CONNECTOR15Y
20Y
7Y
j
G
I
QI

viol



GF
.1
VEL



BILL

1



VIO
GRNI



I



I
I



I



I

BLU/
BFN
BRN/
VID/VEL
I



I



I'D

ENGINE



DRIVER'S



BRAKE
FLUID
COOLANT
~~
I
SEAT
I



LEVELSWITCH
TEMPERATURE
I



]BELT
Ij
SJSWITCH
I

BLUR



BRNI
DR
.
BILL//



1
ORGI



SPIN

BRNIRED

BRN/GRN

YEL

RED/VEL

2

10
WHT/GRV
89-



l11



GRV



0
BODY
COMPUTER
SYSTEMSVSTEM
J



-
I
ANTI-LOCK
BRAKESSYSTEM
12



BLU/BPN



ANTI-
LOCK
BRAKESSYSTEM
13
GRNIREO
1~ENGINE
CONTROLS
SYSTEM
14
BLU/VIO/VEL
15
WHTIGRN



GRNIBLU
71
16
VIO/VEL
I
812



17
BRN/VEL
18
BRN/VIO
B73



19
BRN/GRN
20
B14



21
GRV/BLK/VELANTI-LOCK
22
BLD
i
IBLK
BRAKESSVSTEM
B16



23
BRN/GRV/VEL



BRNIGRY/VEL
B
24
BLU/VIO/WHT



BLUIVIOIWH7
9

ELE-168
ELECTRICAL
WIRING
DIAGRAMS

5
6
7
0
10

10462
9

GRN/BLU

BRN/YEL
BRN/BLK
BRN/RED
DRIVERS
DOOR
JAMB
SWITCHBAN
t
YEL
SAW
ELI
YEL

Instrument
Panel

1998
Except
318ti
(2
of
2)

OIL
TEMPERATUR
PARK
LEFTFRONTRIGHTREAR
SENSOR



BRAKE



BRAKEPAD



BRAKEPAD



CHECK
CONTROL
SWITCH
SENSOR
SENSOR



MODULE

I

SREDI
BFI
GRNI
NCAI
YELIYELI
YELI
BR
.:

1



I



3I3I
3GROUND
I



BANI



III



III



I



BLK/WHT

CONVERTIBLETOP
BRN/RED



CONTROLMODULE
I

T



BLK/WHT
1
I



I
BRN/GRN



II
I



HIPI
AMPLIFIER

L



I



;



BLK/WHT
5
i_--I

REDIYEL
q



WIPERIWASHERMODULE
II



-_
BLK/WHT
10I
I



I--I
CRUISE
CONTROLMODULE
I

BLKIWHT



SLK/WHT
10
I



I

PINS
USED
W/

BRN/GRN
11
BLU/RED
22
BLK/RED



WHT/SLU
33
WHT/GRN
44
WHT/GRY
55
BLU/BRN/YEL
667
STARTING/



BLK/GRN
BB
CHARGINGSYSTEM
GRN/BLU
9
WHT/BLU
10
WHTIRED
11
BRN/GRY
12
BLK/WHT
13
V
11
/WHT
1414
BLU/VIOIWHT
1515
EXTERIOR
LIGHTS



GRY/RED



1616

H

BRN/GRY/YEL
SYSTEM



RAN
1717
BLU/VIO/WHT



RED/YEL
1515

BLUIBRN/YEL
MULTI-FUNCTION
CLOCK

ON-BOARD
DISPLAY

EXTERIOR
LIGHTS
SYSTEM

BRN/
DAY
/
YEL

GVEL



BRN/GRY

BRN/
POWER
GRY/I
WINDOWS
YEL



SYSTEM



mI
3I
3
:1

R.
t

HOT
AT



HOT
IN
ACC,
ALLTIMES



RUNAND
START
FUSE



y
FUSE
FRONTPOWER
F45



I
DISTRIBUTION
11,

5=____~-5_J
30Y
REDII



V101
I
YELI
WHTI

vIOf
WHT

ON-BOARD
COMPUTERMODULE



TEMPERATURE

BRN

"



1



I
VEHICLE
FUELLEVEL
FUELTANK
I



"
I



1
BAN/
SPEEDSENSOR



SENSOR



SENSORII



BAN
I



SANI



BAN
I



GAS
I
1
1



1



1
G312



G202



G203



G203

I

AUTOMATIC
CLIMATE
CONTROL
MODULE

BLKLKIW



J
T



13



1



I

RADIO

BRN/ORG

83364

L
J



23
GRN/VIO



-



BLK/WHT
8
24
BRN/ORG



BRNISLK
9
A22



,
25



I



-



BLK/RED



10
26
SPEEDOMETER



B18
CONNA
-
ENGINE
CONTROLS
SYSTEM
(1997
ONLY)
1
WHT/RED
I



'
,,II
I
WHT/GRN
G
REDUI
II



11
VIOIYEL
B4



/
2



BLK/WHT
123
BRN



1
1
11111111



BRN/YEL
13
B77



;
4



GRN/BLU



~ITI
II



IIIIII



BRN/VIO



14

TACHOMETER



818



6
BLU



STARTING/
7



CHARGINGSYSTEM



BRN/YEL
15
A20



6
YEL/8RN
HEADLIGHTSSVSTEM
9
BLK/REO
10
11
GRY/BLK/YEL
ANTI-LOCK
BRAKESSYSTEM
21



12
BLU/BRN
ANTI-LOCK
BRAKESSYSTEM
(1997ONLY)
13
GRN/RED
Cl



14
BLU/VIO/YEL



BLU/VIO/YEL
2LI
\
.I
i
B
L
N



.
II
~
15
WHT/GRN
BRN
16



VIO/YEL



-
-
I
DRIVER'S
SEAT
BELT
SWITCH



j
17
BRNIYEL



.BRN



G203
18
BRN/VIO



GRY/BLK/YEL



BRN
19



BRNIGRN



1997



ANTI-LOCK



W/pqC~
W



j_
p20220
pqy



ONLY
BRAKES
pqy/BLKIVEL
21



(OR
BRN)



SYSTEM



(
r



OR
22
BLU/BLK
23
BRN/GRV/YEL



B
RN/GRY/YEL
.
16
2425



BRN/REO
17
823
.1
28
CONN.



BRN
12
I
I



III



III



_
1
BRN/YEL
BLU/
I



BRN
I



BRN
2



BL
[
BRN/B



I



I
I
IGNITION
3
LK
4



SRN
/RED



,
,SWITCH
G202
5
YEL/WHT

INSTRUMENT
CLUSTER

Instrument
Panel

1995-97
318ti
(1
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-169

HOTATALLTIMES



HOTINRUNANDSTART
HOTATALLTIMES
-~
IGNITION



RRONTPOWER
I



(
SWITCH



r



G27
E



q31
E



I
DISTRIBUTION
BOX
LOCK



START



LOCK



START
i



L



5A
-----



SA_
J
I
ACCRUNACC
RUN
I



14



2
GN/)



REO/
10
EXCEPT
GRN



1997



VIO



V



Y
EL

RED/WHT
1
(ORWHT)
2
GRV/RED
3
BLU/BRN
4
SLUIGRN
5
GAY/BAN
B
EXCEPT
7
1997
8GRY
RED/YEL
ENGINE
CONTROLS
SYSTEM



RED/YEL
1997ONLY
-
"
I



RED/YEL
1011
WHT/YEL



WHTIVEL
4
12
WHT/VIO



WHT/VIO
5
1314
BLU/BLK
SUPPLEMENTAIL
RESTRAINTSSYSTEM
15
V10
ECONTROLS
NGINECOTROLSSYSTEM
17
8RN/GRN
18
BAN/VI0
19
YEL



YEL
B
20
BLK
21
WHT/BLK



ENGINECONTROLSSYSTEM
ENGINECONTROLSSYSTEM
22
RED/YEL



GRN/BLU
7

7
EXCEPT
8
1997
9
10I



V



RN/
I



/



I
B
RNGR



NI
m
I



BRN/GRN
11



(OR
B(N/G
N)81
vio
4



,
12



O
CONNC



I
3I



OIL



PARK



IBRAKEFLUID
LEVEL
SWITCH
/j



/~
PRESSURE



BRAKE



LEVELWITCH
2
SWITCH



V~
SWITCH
7
1)NORMAL
2)
0
.2--BAR

j
G202

HEADLIGHTS
SYSTEM
INTERIORLIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
EXTERIOR
LIGHTS
SYSTEM
TRANSMISSION
SYSTEM
EXTERIOR
LIGHTS
SYSTEM

HEADLIGHTS
SYSTEM

.1L



j
GROUND



GROUND

NCAI



NCAI
I
BRN

ELE-170
ELECTRICAL
WIRING
DIAGRAMS

15~HT/YEL
20
Y
WHT/VIO

DATA
LINK
CONNECTOR

i6

S
YEL

7
GRN/BLU
S
BLK/WHT
S
BRNIBLK
10
ELK/RED

11
WHT/GRN
12
VIO/YEL
13
BRN/YEL
1C
BRN/VIO

1S
BRN/YEL

I



1110
BLK/WHT

YEL

63365

RED/YELRED/YEL
RED/YEL
WHT/YELWHT/VIO

I
TAC=I
CRUISECONTROL
MODULE
1997
ONLY
BRN/GRY/YEL
4
H

BRNIRED



INTERIORLIGHTS
SYSTEM

YEL

LEFTFRONT
BRAKEPAD
SENSOR

RIGHT
REAR
BRAKEPAD
SENSOR

BRN



"
BRN



,~
G312

BRN/VIO

ENGINE
OOLANT
TEMPERATURE
SENSOR

BRNIYEL

HOT
IN
RUNAND
START



HOTINACCY,RUNANDSTARTr



-
---
FRONTPOWER
FUSE



FUSE



DISTRIBUTIONBOX
)
F23



/F<6
6



32GRN(



VIO/~
Btu



YEL

DOMPUTER
DATA
I



YEL
LINES
SYSTEM

WHT/YEL

"



FUELTANK
SENSORII

InstrumentPanel

1995-97
318ti
(2
of
2)

BR
4

EXCEPT
1997

GRY/REDGRY/RED

ENGINECONTROLS
~IHTW
/BLK
SYSTEM
WHT/YEL
''
coMPUTERDATA
T/VIO
LINESSYSTEM~
WH-

BRN/
RED
COMBINATION
r
-
-
(SWITCH

BLK/WHT
WIPER/WASHERSYSTEM

BLK
K/=HT
ENGINE
CONTROLSSYSTEM

BOARDCOMPUTER

G203

BRNIYEL(ORGRYIYEL)

BRN/GRY/YEL

C
DRIVERS

S
W
ITCH

FUELLEVEL
SENSOR

BRN/RED

G312
.Ip
BRN
"



BRN

RED/YEL
3
,a
BLK/R
IV
BRN



.



BN



1
{
G202
CHIME
MODULE
(1997)

REDIYEL
5B,
VIO/YE
-
L
i4
BRNIOR
6
3~
GRY/RED
11
2,

BANIGFY

ON-BOARD
COMPUTER
TEMPSENSOR

BRNIORG

11
~u
DIGITAL
CLOCK

N
A
IDBS
H
FUEL
B12



CONSUMPTIONMETER

ASC
.T
IND

10458
0

SRS
IND

INSTRUMENT
CLUSTER

I



OF
.,1



WHT



GRN



VIO/
r
I
BLU
YEL
2
GRHEADLIGHTSSYSTEM
INTERIOR
LIGHTS
SYSTEM
SS
BLUIBRN
EXTERIORLIGHTSSYSTEM
~I
9



BLU/GRN



,
EXTERIORLIGHTS
SYSTEM

,SUPPLEMENTAL
15



RESTRAINTS
SYSTEM
16
GRV
~~
ENGINE
CONTROLS
SVSTEM
17
BRN/GRN
18
BRN/VIO
19
YEL
20
BILK
ENGINE
CONTROLS
SYSTEM
21
12
BLU/BRN
~--*
gNTI-LOCK
BRAKESSYSTEM
13
GRNIRED
ENGINECONTROLS
SYSTEM
10



BLU/VIO/V
EL
15~HT/GRN

17
1



B
RNI
El
}
~WEL
18~
BN/VIO
19
FNIGR
N2021



GRV/BLK/YEL
~
ANTI-LOCKBRAKES
22
BLU/BLK



SYSTEM

Instrument
Panel
1998
318ti
(1
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-171

HOTAT



HOTINRUN
HOTINRUN
HOTINACC,
ALLTIMES



ANDSTARTANDSTART
RUNANDSTART
r
---



,
IGNITION



r



FUSE



USE



USE
1
FRONTPOWER
SWITCH



F27



F23



F4B



DISTRIBUTION
BOX
~
I
LOCK/



START
I



L



=A
----



5=
----



15=
J
I
ACC
*
8U"



By



212Y
L------



j



ORN/



GFN/
I



VI01
I
1



VIO



BLU
I



YEL'
DATA
LINK
CONNECTOR
7
Y
"=W=
TIGR
_J

BV
O
/I



B
YEL
I



VIOBYEL
I



I



B
V10

I
`
s
jSWITCH
I
L
1
,

BRNI



GRNI

BRN



BRN

BRN/YEL
BRNIBLK
BRN/RED

ENGINE



DRIVER'S



BRAKEFLUID
COOLANT
1~
I
SEAT
I



LEVELSWITCH
TEMPERATURE
I



(BELT

78
10

ELE-172
ELECTRICAL
WIRING
DIAGRAMS

B78

10458
1

BRNIGRN



_
I
-


BRN/W
XT
5
I
YEL



I
--

REDIYEL

4



BLK/WHT



:



BRN/WHT
10
I
I
RADIO
0

"1
h
L



RED/VEL
3
BLK/RED



BLK/RED
2

VIO/VELVIOIYEL
BRN/GRY/YEL

BRNIYEL
BRN/BLK
SRN/RED

PARK



LEFTFRONTRIGHTREAR
BRAKE



BRAKEPADBRAKEPAD
SWITCH



SENSORSENSOR

GRN/~
NCAt



VELf
VEL



YEL
BRNj

InstrumentPanel

1998
318ti
(2
of
2)

A



A



A



J,



A



,,



11f



'
11
SWITCH



I!

BRN
I



BRN
/
VEHICLE
FUELLEVEL
FUELTANK
SP
EEDSENSOR



SENSOR



SENSORII



BRN



BFN

HOTAT
ALLTIMES

I
FUSE,DISTRIBUTI,ONBOK

L_3c5"_J

RED/I
YELI
I

W
IPERIW
ASHER
MODU
LE

BRNIWHT
10~I



I
I
CRUISE
CONTROL
MODULE

CHIME
MODULE

BRN/RED
1

1
~
WHT/VIO
2JCOMPUTERDATA
~l
LINESSYSTEM
WH/YE
WHT/BLK
4
ENGINECONTROLS
~,
RED/YEL
5
BRNIORG
8
BRN/YEL
7
BRN/GRY
8
BLK/WHT
9
VIO/YEL
10
INTERIORLIGHTS



GFYIRED
11
SYSTEM



12

GRV/
RED
YEL



10
NCA
DRIVERS
COMBINATION
BRN/I



BRN/I



BRN/'



I



1



BRNII



I



A



(DOOR



I



I
SWITCHRED
/



BLK



BLK
/



YEL
I



YEL
I



YELI



I



/



I
JAMB



I



I

.A
1
G
40E



G202

BRN/
I
ORD
I
1
G201

BRN/GRV

BRN/ORG

REOIVEL
fi
VIO/YEL
5

BRN/ORG
3`
INTERIORLIGHTS
GRV/RED
2
SYSTEM

BOARDCOMPUTER

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR

DIGITAL
CLOCK

ON-BOARD
COMPUTER

83951

HOT
IN
ACCY,
HOTATALLTIMES



RUNAND
START
FRONT
POWER
r
_____________________
_-_-I

DISTRIBUTION
BOX
I



FUSE



FUSE
I
F31



F46
5A



15A

BRN/FiED
10

2
WHT/VIO

3
WHT/YEL

}
4
WHT/BLK

RED/YEL

7
GRY/YEL

8
BRN/GRY

9
BLK/WHT

10
VIO/YEL

11
GRY/RED

On-Board
Computer

1995-98
318ti

ELECTRICAL
WIRING
DIAGRAMS
ELE-173

Lam___________________

2Y

RED/YELL



VIO/YEL
I

6



BRN/ORG



BRN/ORG
0-'201
(Z3)

G203
(318ti)

1



G302
(Z3)

NCA



-~~RN
"
-BRN

G202
(318ti)

COMBINATION
SWITCH

COMPUTER
DATA
LINES
SYSTEM

10
COMPUTER
DATA
LINES
SYSTEM

10
ENGINE
CONTROLS
SYSTEM
INSTRUMENT
CLUSTER
SYSTEM

INSTRUMENT
CLUSTER
SYSTEM

INTERIORLIGHTS
SYSTEM
BRN/GRY

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR
BRN

(Z3)
G201
!-G203
(318ti)

32Y