1994 BMW M3 diagram

ELE-72
ELECTRICAL
WIRING
DIAGRAMS

8727
5

I



~
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BRN/WHT
I



INJ1
INJ2I
5
I
BRNIRED
NJ
3
IJ4



BRNIYEL
I
I----
33
B
INJD
I~31



BR
-
RNINJ6I)l~
ECM
Fly
CTRL
I
FP
RLV
OTRL
I
02SRLV
CTRL
I~

SWITCHED
BATT
II

GROUND
1)34



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GROUND
])
S
SB
=
CYL61GNCOILI
51
B
KIVIO
CVL
S
IGN
OOIL
I
52LKIERN
CYL41GN
COILI
50LU
CVL3IGN
COILI~24



BLK/VEL
'I
I
C
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COIL23~1-KIRED
I
J
~25
BLK/WHT
I
CYLI!ONCO(L,
56
GRN
START/RUN
T
L______
ENGINECONTROL
MODULE
IOM
E)

HOTATALLTIMES
1
30
START
I
I
OFF
I
L_---_I
IGNITION
S
WITCH

1112
N3
N4
M5N6

Engine
Management

19922
.5L
(1
of
2)

FUEL
INJECTION
VALVES

117111
1121
1-

FI=-----r-_----1------k------f-----
:1
:NEI

IGNITION
COILS

FRONT
FO
W
ERDISTRIBUTION
BOX

871
851
87AAI
30y



86Z
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864,
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RED/WHT
////
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RED
ENGINE
CONTROL
MODULE
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3121



31
;
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VALVE

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GRN/VIO
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8727
6

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RED/WH
T
RED/WHTRED/WHT

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FRONT
POWER
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BOX
I



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I



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OXYGEN



CAMSHAFT



CRANKSHAFT
SENSOR
POSITION
POSITION/
SENSORRPMSENSOR

1S)
X199]9

ELECTRICAL
WIRING
DIAGRAMS
ELE-73

Engine
Management

19922
.511-
(2
of
2)

86



v
30
v
87
I
_



W
[~~j

O

TRANSMISSIONS
SYSTEM

----------
---------



--------
-------
TRANSMISSIONTRANSMISSION
TRANSMISSION
CONTROL



AUTOMATIC
TRANSMISSION
MODULE
(EGS)



RANGE
SW
ITCH

HOT
IN
RUNAND
START
(FRONT
FUSE
pOYfER
I



F28



I
DISTRIBUTION
I
-AJBOX
6Y
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017

INTAKEAIR
THROTTLE
ENGINECOOLANT
TEMPERATURE
POSITION
TEMPERATURE
SENSORSENSORSENSOR
O

j
1I
20j1Sj18~
10

DATA
LINK
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YEL
70
I
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4



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A/C
L~
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86!
I
SYSTEM



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I
F7
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L~
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/
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\
/
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f
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GRV/WHT
6
GRV/YEL
1

BLK/WHT
73
r
IVSS
GRY
8
~
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ISRVCREMINO
BRN/
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3
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12
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/V
EL



59~
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DR
IIATSENS
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67
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BL
I
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/
RG
28
~
I
GROUND

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ICAMSHFTSENS

-
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71,

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48,
I
IA/C
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64
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N~I



I
I
PRESSURE
S
W
ITCH

(-__----

MASS
AIR
FLOWSENSOR

ELE-74
ELECTRICAL
WIRING
DIAGRAMS

8727
7

IGNITION
SWITCH

in
RED
BATTERY
ECM
1'27
BRN
RLYCgXL
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/
GRN/VIO

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I
/



BRNIGRN



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37



BRN/GRN



BRNGRN
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I
RED/WHT
I
gl



BLKIVIO



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DATA
LINES



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RED
WHT
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I



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WHT
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70
71
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COMP
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148
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6



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SC
BRN
GROUNDI~

FUEL
INJECTION
VALVES

Engine
Management
1993-951
.8L
(1
of
2)

FRONTPOWERD_IS_TRI_BU_TIO_NBOX



_
______
I



ENGINE
CO
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MODULE
RELAY



FUEL
PUMP
RELAY

-~
I



I
CVL1



DVL2



CVL3



CYL4



A/T
RANGE



TRANSMISSIONCONTROLMODULE
(EGS)
SWITCH

8727
8

GR

FUEL
PUMP

FRONT
POWER
DISTRIBUTION
BOX
-
-
-
-
-
-
----
-
-
-
-
-
-
I
H
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OXYGENSENSOR
RELAY



I



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I
RUNAND



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k

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I
F18
I
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20
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21
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74
7



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16
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44
I
CAMPOS
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WH7/BLK



_
WHT/BLK
17I
FUELCONSSIG
68
87
2Y

GRN

Engine
Management

1993-951
.8L
(2
of
2)

a

ELECTRICAL
WIRING
DIAGRAMS
ELE-75

I



ELK
,
ICRANKSENS
YEL67i
ICRANKSENS
B
R
N/
ORG



28
,I
SHEILO
GROUND
_____SRN
36
I;
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WHT/YEL
2B,
L
ISCVALVECTRL
,ED/W
.I

199531811
m
819930NLY

INTEGRATED
CLIMATE
CRANKSHAFT
CAMSHAFT
REGULATION
POSITION/RPM
POSITION
CON7ROLM000LE
SENSOR
SENSOR
I

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CLUSTER
SYSTEM
11995,
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ENGINECOOLANT
VALVEVALVE
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TEMPERATURE
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9
953
1
BlI811



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SENSOR
81

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THEFT
SYSTEM
(31811
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I
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BATTERY
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f
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GRV/VID
77
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,
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I

GRY
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VIO
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3

ENG
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CONTROL
MODULE
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FLOW
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8,

THROTTLE
POSITION
SENSOR

ELE-76
ELECTRICAL
WIRING
DIAGRAMS

1
87279

SOLIDSTATE

SOLENOIO
VALVE
(RUNNING
LOSSES)
(1995
ONLY)



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55
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/RED/VEL
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WHTIGRN
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VALVE
I
,
GROUND
15ILI
1
SHEILDGND
4
NCA
5
I
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15~--
B
RRN
GROUNDI
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55
BEN
CVLSIGNCOIL)I
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II23
BLK/8LU
IL
-
CYL
31GN
COIL
I
52BLKIYEL
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51LKIRED
.
CYLIIGNCOILI
50_
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STA



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1
GRN
I
GRN1
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OFF
-
I
IGNITION
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Engine
Management

1993-952
.51
(1
of
2)

FUEL
INJECTION
VALVES

STARTING
SYSTEM

1995
ONLY
r~I
~~

f

IGNITION
COILS

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PO
WER
DISTRIBUTION
BO%

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:



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1995
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1995
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1995
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I
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1995
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MODULE
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POINT

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1-fi
FUEL
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GRNIVIO

BPN/GRN

RED
RED

WIEGS

RED/WHT
SPLICE
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I
L

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CYL4



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IDLE
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CONTOLMODULE
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C)

87200

ml
1
G312

GRN/VI
O

BRN/GRN

RED
RED

SPLI_E
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POWER
DISTRIBUTION
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I



OXYGENSENSORRELAY
I

~
RED/WHT
RED/WHT
/I\
RED/WHT

W/OEGS

Engine
Management

1993-95
2
.5L
(2
of
2)

ELECTRICAL
WIRING
DIAGRAMS
ELE-77

HEATEDOXVGEN
CRANKSHAFT
CYL1-3
CYL4-6
SENSOR
POSITION(
KNOCK
KNOCK
-



RPM
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SENSOR



SENSOR

W/
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I



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I
/



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64
I
B
IAICSWITCH
AIC
COMPCTRL
WHT/BLK
46
I
BRNIORG
11
IFUELCONS
BRN/GRV
37



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VALVEPOS
BLK
47
I
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TIMING
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COMP
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U^



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I
WHT/VEL
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26
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BLK
40
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13,
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TEMPERATURE

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r
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EP
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1001

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23
1
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ACTIVATEVALVE
I
I
ACTIVATEVALVE
I
31
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36
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1996
86
8
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GTN

31811
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UNLOADERRELAY



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I
RED
TERMINAL15



31871
l~
(19970NLY)

Engine
Management

1996-971
.9L
:
(1
of
2)

HOTINACC,RUN
ANDS=ART
_
,FRONT
USE
POWER
I



F46



I
DISTRIBUTION
L
I
1
-=J
BDXX
10016

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EXCEPT
1997,
199831871
W/ABS
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MODULE/
HYDRAULIC
UNIT

MODULE
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POWER
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BOX



_
rENGINECONTROLMODULERELAV
FUELPUMPRELAY

I

WIEGS
1

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1998
31811
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II
IIII
II
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I
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6119



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TRANSMISSION
CONTROL
MODULE
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f-W/EGS

GRN/VIO

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IN
RUNAND
START



HOT
FILM
AIR



HALLEFFECT



CRANKSHAFT



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I
I
(199fi)
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I
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-
22

OXYGENSENSOR
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88648

FUEL
PUMP

SPLICE
BLK
-----
.--_
.-------

OXYGENSENSOR
(FRONT
OFCATALYTIC
CONVERTER)

Engine
Management

1996-971
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EVAPORATIVE
IDLESPEED
EMISSION
CONTROL
VALVEVALVE

ELECTRICAL
WIRING
DIAGRAMS
ELE-79

EXCEPT
1997
318
ti

INSTRUMENT
CLUSTER
SYSTEM
EXCEPT
31811

INTAKEAIR



I
CYL1-2



CYL3-4
RESONANCE



INTAKEAIR
CHANGEOVERKNOCKSENSORTEMPERATURE
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SENSOR

BLK
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I
-
2
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I
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I
GRG=1fi~
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ENGINE
I
WHT/BLK
21
I
FUEL
X
t
fi
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I
~GRN/RED
13
3
I
FUEL
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CONSUMPTION
SRN/VI
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INSTRUMENT
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ENGINECOOLANT
TEMPERATURESENSOR

WW=TIBLK



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(I
I
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-
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42
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83
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VEHICLE
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GRV
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:
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{
ACTIVATEVALVE
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-
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RN29
J
I
~
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ISC
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BILK
70
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711
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44
I



I
~
W
L~~~
THROTTLEPOS
GRVRY/
-
W
I
SVSUPPLY



I
ENGINECONTROL
MODULE
(DME)

THROTTLE
POSITION
SENSOR