1993 BMW 325i Workshop Manual

ELE-174
ELECTRICAL
WIRING
DIAGRAMS

83490

1
BRN/GAY

2
BLUIRED

8
BLK/GRN

9
GRNIBLU

10
WHT/BLU

11
WHT/RED

12
SRN/GRY

13
BLK/WHT

14
V10/WHT

1
.
GRYIRED
X
10Z0
1
BLK/VIO

2
3
BLK/BLU

4
RN/P
..

5
WHT/VIO

6
WHT/BLK

7
WHT/YEL

WNT/GR

HOT
IN
RUNAND
START



HOT
IN
RUNAND
START



HOTATALLTIMES



HOTATALLTIMES
r



FUSE



FUSE



1
FRO
NT
POW
ER



r



F
_
US
_
E,
AUXILIARY



FUSE,
AUXILIARY
P
F23



?F45



IDISTRIBUTION
BOX



I



F3



IFUSEBOX



I



F41



IFUSEBOX

GRNIBLU

6
BLU/BRN/YEL

BLUIVIO/WH

14B
X]97]
.
ON-BOARD
COMPUTER

5A



7
.5
.
L~___J

GRNIBLU
I



VIO/WHT

.FN

Z
G203

On-Board
Computer

1992-97
Except
318ti

ALLEXCEPT1997

EXTERIOR
LIGHTS
SYSTEM

EXTERIOR
LIGHTS
SYSTEM

INSTRUMENT
CLUSTER
SYSTEM

STARTINGICHARGING
SYSTEM

WARNING
SYSTEM

WARNING
SYSTEM

INSTRUMENTCLUSTERSYSTEM

INSTRUMENTCLUSTER
SYSTEM

INTERIORLIGHTS
SYSTEM

BODY
COMPUTER
SYSTEM

ON-BOARD
CGMPUTERTEMP
BODY
COMPUTER
SYSTEM



SENSOR

EXTERIOR
LIGHTS
SYSTEM



y
1
BRN'
{t
COMPUTER
DATA
LINES
SYSTEM
I
ENGINE
CONTROLS
SYSTEM



BRN

1
11
,
COMPUTER
DATA
LINES
SYSTEM



GROUND

INSTRUMENT
CLUSTER
SYSTEM

AIR
CONDITIONING
SYSTEM

L



=
5
-
J



L



1
_
5
-
J

1997



1



1994-1996

104489

2
BLU/RED



GRN/BLU
VIO/WHT
RED/YEL

EXTERIOR
LIGHTS
SYSTEM
3
4
5
6



BLUJBRN/YEL



INSTRUMENT
CLUSTER
SYSTEM
7
8



BLK/GRN



STARTING/CHARGING
SYSTEM
9
GRN/BLU

10



WHT/BLU



WARNING
SYSTEM
11
WHT/RED
WARNING
SYSTEM
12
BRN/GRY

13



BLK/WHT



INSTRUMENT
CLUSTER
SYSTEM
14
VIO/WHT

15



BLU/VIO/WHT



INSTRUMENT
CLUSTER
SYSTEM

17

1



GRYJRED



INTERIOR
LIGHTS
SYSTEM

18

X1070

On-Board
Computer

1998Except
318ti

1



BLK/GRN



ANTI-THEFT
SYSTEM
j
2

EXTERIOR
LIGHTS
SYSTEM
5
WHT/VIO
COMPUTER
DATA
LINES
SYSTEM
6
WHT/BLK
ENGINE
CONTROLS
SYSTEM
7
WHT/YEL
10
COMPUTER
DATA
LINES
SYSTEM
RED/YEL

ELECTRICAL
WIRING
DIAGRAMS
ELE-175

HOTINRUN
HOTINRUN
HOTAT
OR
START



OR
START



ALLTIMES
_
FRONT
POWER
DISTRIBUTION
BOX
FUSEFUSE
FUSE
F23



~
F45



~
F31
5A



7.5A
5A
----



_-----

6Y
30Y
2Y

GRN/BLU
i



VIO/WHT
i



RED/YEL

9



WHT/GRY



10
INSTRUMENT
CLUSTER
SYSTEM
10

11

12
13
BRN

14
BLK/WHT/YEL
gIR
15
CONDITIONING
SYSTEM



BRN~''
II

16

ON-BOARD



-



-

COMPUTER
MODULE



G203



G203

ON-BOARD
COMPUTER
TEMPERATURE
SENSOR

ELE-176
ELECTRICAL
WIRING
DIAGRAMS

(PARTIAL)
BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
IV)

98665

I)
5
1
6
VIO
/WHT
17
BLK7
BLK/WH~
18B



W
UIGA
N199
BLU/GR
110
GRN/BL



(1998)

POWERWINDOWS
POWERWINDOWSPOWERWINDOWSPOWERWINDOWSPOWERWINDOWS

Body
Computer
Module

1996-98
318ti

ROTAT
HOTAT
HOTATHOTAT
HOTINACCY,
ALLTIMES
ALLTIMES
ALL71MES
ALLTIMES
AUNANOSTAR

374E



E11



FE



~5
Au
25A



1
OA

6~I
'
ID
Y
I



6'



i



7S'
//



//



I



I



I
RED/BLU
(



RED/GRN/VEL
(



RED/WHT
(



RED
I



VIO/WHT
(

REOIWNT
I



RED
I



VIC/WHT

I



II



II



I~13
I



1
)14
BRN/WHT



(I99fi)



EXTERIORLIGHTS
I



115
BLU/YEL



(1996)



POWERWINDOWS
I



1
16
BLKIREO



(1996)



pOWERWINDOWS
17
BLK/RED



(1996)



POYVERWINDOWS
78
BLK/RED
POWERTOPS
I



1
19
BLK/GRN
I



I



POW
ER
TOPS



BAN



BRN/ORG
I



I~2o
i



1'21
I



1)22



I



I
I



1)
23



BRN
I



BAN/-

2B



I
I
I~z4



i



i
I



1
I
I)



G207



G201
L__
J)X
1326S

FRONTPOWER
DISTRIBUTION
BOX

---I
1



BLK



DOORLOOKS



HOTAT
I



12



BLU/GRY



ALLTIMES_
_
DOOR
LOCKS



r---



~IGNITION
I



I
3
BRN/VEL
.(7996)



(
DOOR
LOCKS



I



SWITCH
d
RED/BILK



INTERIOR
LIGHTS



(START



LOOK
I
I)5



I



I
RUN
"
ACC
1
6



VIO/WHT



pOWERWINDOWS



L



---_
j
17
BLU/GRN
18



RED/BLU



POWER
WINDOWS

19
WHT



I
11
DOORLOCKS



GRN(176
RED/GRNIYEL
1
'
11



I
I
1,12
REDIWHT



I
I~13
BLK/WHT
I



PDWERWINDOWS



GRN
14
YEL/GRN
I



POWER
WINDOWS
15
BAN
I
X
,3252
I1
WHT/GRN
1
2



WHT/BRN/VEL



DOOR
LOCKS
I



DOORLOCKS
1
3
WHT/GRN/VEL
DOOR
LOCKS
6,
BLU/REDIYEL
(1997,96)



ANTI-THEFT



(PARTIAL)
I,5



BODY
ELECTRONICS
I)6



_
.



CONTROL
MODULE
(ZKKE
IV)

17



BRN/BLK



BRN/BLK/YEL



1
t
I



1
SUPPLEMENTALRESTRAINTS



EXTERIOR
LIGHTS
I
B



BLK/GRV



pOWERWINDOWS



EXTERIORLIGHTS



G~RV/BLK
2
~{
I
I
19
VEL/GRV



POWERWINDOWS



(1990)



GRN
3
I



I
1'10



VIOIWHT
4
I



I
111



BRN/ORG
6
I



I
I),2



6
I



i
7
~I



I
1
)73
WHT/RED



DOORLOCKS



C
I



I
I
id
WHTIBLK



DOORLOCKS



8
CI



I
15
WHT/GRY



WHTIYEL
9
I



DOORLOCKS



COMPUTERDATA
LINES~~



I



I
1
16



WHT/BLU



DOORLOCKS



EXTERIOR
LIGHTS



(1996)



BLU/GRN/VEL



10



I



I
17
WHT/RED/VEL
(ORGAN/WHT)



T
I
VIO
it
I



ANTI-THEFT



COMPUTEROATH
LINE



W
H
S
"
~



I



I
18



BLK/GRN
12
STARTINGICHARGING



I
1)



I
119
RED/GRN/VEL
(I997,9B)



DOORLOCKS



ISO



I
120
G
AN/R
..



(i99
.I



POWERWINDOWS



14CI



I
1,21



ANTI-THEFT
"
1



BLK/GRN



iBYI



i
1'22



ON-BOARD
COMPUTER
"
1



(199
6)



BLKIVIO



76
~
I



I
123
BLK



POWERWINDOWS



ANTI-THEFT



(1996)
VIO/GRNIYEL
17
I



I
124
VEL/BLK



POWERWINDOWS



(1997,98)



RED
18



I
16



X1
9182
L
---
I
)2
2B



VIOIBLK



(1996)



EXTERIORLIGHTS
I
X1325
3
I1
I
)2
BRN/GRV/VEL
(1997,98)



01
ANTI-THEFT
3
BRN/BLU/YEL
(1997,98)
ANTI-THEFT
0
4

(PARTIAL)
BODYELECTRONICS
CONTROL
MODULE
(ZKE
IV)
r_1
71



BILK
1



i2
BLUIGRY
I'
3
BRN/VEL



(1998)
I)
REOIBLK

96672

ELECTRICAL
WIRING
DIAGRAMS
ELE-177

Body
Computer
Module

1996-98Except
318ti

HOTAT



HOTAT



HOTAT



HOTAT



HOTAT



HOT
INACCY,
ALLTIMES



ALLTIMES



ALLTIMES



ALLTIMES



ALL
TIMES



RUNAND
START
r



FUSE



_-
1
2
,
USE



FUSE



FUSE



FUSE



FRONT
POWER

F'1



'35



E7
L



30
----



5A
---



1==
-
----==----



5=3--J
DISTRIBUTIONBOX

REDIBLU
I



RED/GRN/VEL
I



RED/WHT
I



RED
I
RED/GRN
I



VIO/WHT

RED/WHT
I



RFD!
REDIGRN
I



VIO/WHT

7997,
I
1996
1998
RED/GRN



(PARTIAL)(OR
RED)



BODY
ELECTRONICS
CONTROL
MODULE
(ZKE
IV)
DOORLOCKS



BLK/RED



1



r-
POWERWINDOWS
~DDOE
OCKS



POWERWINDOWS



BLK/YEL
2
I



I
~DOORLOCKS



POWERWINDOWS



BLK/RED
3
I



I
INTERIOR
LIGHTS



4,
I



POW
ERWINDOWS



WHTIGRN
1



I



I
I)5



POWERWINDOWS
1



W
H
T/VEL
S,
I



I1
%
6
VIO/WHT
7



BW/GRN



,
POWER
WINDOWS



6
~I



I1



POWERWINDOWS



POWERWINDOWS
III



ELK/GRV



7
I



I
8
RED/BLU



I1
9



WHT



POWERWINDOWS
1



BLU/GRN



1
I



DOORLOCKS



POWERWINDOWS



BLU/YEL



9



I



I1
10
REDIGRN/YEL



III
WHT/YEL
10
I



I
I
'
11
Vi0/B
LK



POW
FWINDOWS
I
112
RED/WHT



F
INTERIORLIGHTS



POWERWINDOWS



WHT/GRN



11



I
12



I
113
BLK/WHT



POWERWINDOWS



X1321
B~1



I
114
YEL/GRN



-



I



I
POWERWINDOWS
1
.16
BEN
EXTERIOR
LIGHTS
EXTER
OR
LIGHTS
BEN/BLK/V
L
1
{
GRV/BG



K
~
I
1
XL32
~

I
72
WHT/BRN/VEL



i~DOORLOCKS

1
3
WHT/GRN/VEL



DOORLOCKS



VIO/WHT
4
lI



I
p
-
1
F
OOORLOCKS



BRN/ORG
5
1



II
a



BLU/RED/VEL



10
ANTI-THEFT



6
~I



I
I)6



ANTI-THEFT
~
1



W
H
T/GRN



7
,
I
1l6



(1996)
BRN/WHT
8



I
I
'7
SRN/ELK



(1997,98)



INTERIORLIGHTS
1



SUPPLEMENTAL
RESTRAINTS



WHT/VEL



9



I
1%
8
III
BLKIGRY



COMPUTER
DATA
LINESLINES



10



I



I
1



POWERWINDOWS



WH
T/VIO
11(
10
YELIG



I

11



I
9YELIGRVRN



(1986)
1



FOWERWINDOWS



COMPUTER
DATA
LINESLINESLINES
LINES4'
1



POWERWINDOWS



BLKIGRN12



I
STARTINGICHARGING



I
`



13
I



I
I
;12
BLK/GRN



(1996)



4
~I



I
iF
POWERWINDOWS



1
1
713
WHT/RED



BLK/GRN
15
(I



I
01
OOORLOCKS114
WHT/BLK



ANTI-THEFT



I
15
WHT/GRY



DOORLOCKS



(1896)



BLK/VIO
IS
I



ON-BOARDCOMPU7ER



I
1
16
WHT/BLU



DOORLOCKS
ANTI



(1996)
VIO/GRN/VEL
17



I
-THEFT
1



DOOR
LOCKS



RED/GRN
(OR
RED)



18



I



I
I
17
WHT/RED/VEL



ANTI-THEFT



X1L19Z
L
-
J
1B
1)
19
RED/GRN/VEL
(1997,99)



DOORLOCKS
120
GRN/RED
POWER
WINDOWS

I~2z
123
BLK/W
HT
(OR
BLK)



11
POWERWINDOWS
I
'
24
VEL/BL
K



11
POWER
WINDOWS
125BLK



10
DEFOGGED
126
VIO/BLK
,
EXTERIOR
LIGHTS

I
l
WHT/GRN
-

I



I
X1
.a
aBt
I



I
1
BRN/RED/VEL
ANTI-THEFT
I



12
BRN/GRV/VEL
ANTI-THEFT
I



1
3



BRNIBLU/YEL



ANTI
THEFT
I



1I
4
BRNIGRV/VEL(ORGRN/WHT/VEL)
I



ANTI-THEFT
5
BRNIWHT
I



I



11
ANTI
THEFT
I



1
8
VIO/WHT



POW
.RWINDOWS
I



1
7
BLK/WHT



POWERWINDOWS
I



18
WHT/GRN
POWERWINDOWS
I



19
BLUIGRN
POWER
WINDOWS
I



110
GRN/BLU(ORWHT/VEL)
POWERWINDOWS
I



I~11
I



112
I
1~1a
I



I,
14
BRN/WHT
I



I



EXTERIOR
LIGHTS
I



1
15
BLU/VEL
POWERWINDOWS
16
3LK/RED
POWERWINDOWS
I



1
17
WHT/RED



POWERWINDOWS
I



1
18
BLK/RED



(1997,98)



POWERTOPS
19
BLK/GRN



POWERTOPS
(
I~20



SPIN



BRN/ORG

I
I)
21



"



"
I
I~2z
I



1
23
GRY/RED



(1997)



ANTI-THEFT



SPIN
I



BRN/ORG
I



1
24
VIOIWHT/VEL



(1997)



ANTI-THEFT



1



1

I
I~26



G203



.203
I_
_
J)X
132s4

ELE-178
ELECTRICAL
WIRING
DIAGRAMS

104758

68906

HOTATALLTIMES
--
_1
FRONT
POWER
FUSE
[DISTRIBUTION
BOX
F31
5A
I
J
2y
X70018

Warning
System
:
Chimes

HOTATALLTIMES
HOTINRUNANDSTART
r
-
N"



FUSE
I
SOU9



BLK/RED



F31
TONE
I



I



5A
(SIGNAL
XL7
.



L

___
__



2''X
10018



1
z
}'
X14912
INSTRUMENT



w
GRN/WHT
CLUSTER



Y

1
T
X522

BRN
-2-G202

I
1



GRN/w
10



r12
T
t
I



I



---
---
AUTOMATIC
I
111



TRANSMISSION
I



I



P



~
1
I
RANGE
__-
X14
Z0



I
R
t



(SWITCH
ON-BOARD



I
T
-
12



I
COMPUTE



i
-
IND3
--
~

o



w



3
BLU/YEL
.
BLU/-
YEL
EXTERIOR

33
m



LIGHTS
BLU/YEL
SYSTEM
2



3



X518



2



4



X522



I



X1426



(BACK-UP
LIGHTS)
CHIME
MODULE

1FRONTPOWER
FUSE
F26



(DISTRIBUTION
BOX
10A



I
J

1
X522
BRN



rB
RN
*
G202
RED/
YELL
INSTRUMENT



ON-BOARD
I



I(
CLUSTER



COMPUTER
I
SOUND
I
TONE



I
MODULE
SIGNAL
I



I

9



X17



11
~~



10



X1070

BLK/
RED

2
X522

RED/
I



WHT/
I



WHT/
YEL



RED
BLU

3
,1
.
---------



3~M_7B
CHIME
MODULE

Warning
System
:
Chimes

w
I
'
SOUNDS
9



BLK/RED
TONE
SIGNAL
X17
i)



oJww
INSTRUMENT



¢_
CLUSTER



y
wm
23
X522

ELECTRICAL
WIRING
DIAGRAMS
ELE-179

HOTATALLTIMES
f
-
-
1FRONTPOWER
FUSE



I
DISTRIBUTION
BOX
5A

J
X10018
w~

~
J

CHIME
MODULE

ZI¢~
m
I
G2021
G302
(31811)
(Z3)

1997-98

318ti

ELE-180
ELECTRICAL
WIRING
DIAGRAMS

HIGH
I
COMBINATION
I
-
NORMALBEAMISWITCH
SWITCH
,
HIGH

HOT
IN
RUNAND
START



HOT
IN
RUN
AND
START
FRONTPO-R
FUSE



FUSE



I
DISTRIBUTIONBOX
F23



F25
SA

5



4
t~
EXCEPT
T
1992
VELYEL
EXCEPT
3
T
1994



YEL
1994
ONLY
1992

3I
`-RT

GRN/VE
EXTERIOR
LIGHTS
SYSTEM

W/OOOM
W/OOM



W/OOM



W/OOOM

YELIBLU



YELIBLU
(ORVELIGRN)
I



(OR
VEL/GRN)
I

LOW
LEFT
IlJIIROW
T



RI
LOW



LOWBEAM
BEAM
LIGHTLIGHT
(EXCEPT
(1993)
1993)
1
BEN



BRN



BR
N

Headlights/Foglights

1992-94
(Canada)
(1
of
2)

5A
I



YEL/GRY



VEL/GR

>
1992
EXCEPT
>~



>G
~ONLY
199

1992
ONLY
"
'EL

RED'
YEL/GRN
(OR
GRNIRED)

30



e6



LOW
BEAM
LIGHT
RELAY

876
87



85
2



5



4
WNT/BLU
YEL/
BRN
(OR
YEL)



BLK

EXCEPT1992



1992
YELIGRN
(ORGRNIRED1I

VEL/GRY
WIG
CRASH



I



W/CRASH

CONTROLMODULENTROLMODULE
VEL/GRY
I
VEL/GRVt
3
.,CRASH
MODULE
I
(1992
I



I
ONLY)
9`T(
YELIGRN
I



VEL/GRN'

T

BEAM



1(P
II
BEAM
LIGHT



1
4~
1
LIGHT
L

1
m~~

'JL

m~

'J

~
"
-



13
I



12
I
(1993)
12



13



(EXCEPT
T
1993)
VEL/BLU



YELIBLU
(OR

YEL/GRN)



'DRYELIGRN)
I



a
II

B
RN
,
BEAM
BEAM
LIGHTLIGHT
(EXCEPT
(1993)
,ss3)



1
Y



Gill
Gill
63089
(1992
ONLY)
DAYTIME
RUNNING
LIGHTS
CODING
DIODE

1993
ONLY

EL

BRNI



-
_J'G202



3
:



3
1
X1LD2S
I
FRO
NT
POWER
I



I
DISTRIBUTION
I



FUSE



FUSE



FUSE



FUSE



i
BOX
I
F71



F12



F30



F29
II
7.SA



7
.6=----_---------
7
.5A



7.=A
-~

21~---=_________=====47xrn91§



20'1
-_____--------BYx
,0D,7

RED

L/BL

IINSTRU-



6fi



30HIGH
I



HIGH
MENT



BEAM
III
BEAMICLUSTER



-



LIGHT
No
I(1994



---------__-

```IIllY''



RELAY
I



J
ONLY)

xl&
3~TX]7



85



87
2
"



BEN
"



BRN
3
EXCEPT
1994
BRNI



I



REDIW
HT
t_202
~
"
1
4

83992

RED
RED

YELIBLK

RED/W

G202
,fl
y
B-N



.



S
RN



1994

R
D)WHTT
EXCEPT
1994

ELECTRICAL
WIRING
DIAGRAMS
ELE-181

Head
lights/Foglights

1992-94
(Canada)
(2
of
2)

HOT
IN
RUNAND
START



HOT
AT
ALL
TIMES
r__T________________________
-,FRONT
I



)
FUSE



(POWER
F22



DISTRIBUTION
I



T
5A



(BOX
L__A-________________________J_J

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