electrical diagram starter BMW 328i 1997 E36 Workshop Manual
Page 3 of 759
General
Data
and
010
FundamentalsfortheDo-lt-YourselfOwner
Maintenance
020
Maintenance
Program
Engine
Transmission
Suspension,
Steering
and
Brakes
4
Body
100
Engine-General
110
Engine
Removal
and
Installation
113
Cylinder
Head
Removal
and
Installation
116
Cylinder
Head
and
Valvetrain
117
Camshaft
Timing
Chain
119
Lubrication
System
200
Transmission-General
210
Clutch
230
Manual
Transmission
510
Exterior
Trim,
Bumpers
520
Seats
Bo
y
Equipment
512
DoorWTdws
540
nr
t
513
InteriorTrim
541
Convertible
Top
515
Central
Locking
and
Anti-Theft
600
Electrical
System-General
620
Instruments
Electrical
S
stem
610
Electrical
Component
Locations
630
Exterior
Lighting
611
Wipers
and
Washers
640
Heating
and
Air
Conditioning
6
612
Switches
and
Electrical
Accessories
650
Radio
Equipment
and
720
SeatBelts
Accessories
721
Airbag
System
(SRS)
Electrical
Wiring
Diagrams
Foreword
.
...
.
.
.
..................
.
.
.
.....
.
............
.
...
.
.
.
.
.
................
.
.
.
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.
................
.
.
.
.....
v
Warnings
and
Cautions
.....
.
...
.
.
.
.
.
..........
.
...
.
.
.
.
.
......
.
.........
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......
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.
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............
.
.
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.
.
.
.vii
Index
..............
.
.
.
.....
.
............
.
...
.
.
.
.
.
........
.
...
.
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.
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.......
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......
.
...
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.
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..
back
of
book
300
Suspension,
Steering
and
330
RearSuspension
Brakes-General
331
Final
Drive
310
Front
Suspension
340
Brakes
320
Steering
and
Wheel
Alignment
400
Body-General
411
Doors
410
Fenders,
Engine
Hood
412
Trunk
Lid
120
Ignition
System
121
Battery,Starter,
Alternator
130
Fue¡
Injection
160
Fuel
Tank
and
Fuel
Pump
170
Radiator
and
Cooling
System180
Exhaust
System
240
Automatic
Transmission
250
Gearshift
Linkage
260
Driveshaft
Page 51 of 759
NOTE-
"
On
carswith
OBD
ti,
specialized
OBD
11
scan
tool
equipment
must
be
used
to
access
the
DTCs,
either
using
the
BMW
special
tool
ora
`generic"
OBD
11
scan
tool
.
See
130
Fuel
Injection
.
"
The
08D
11
fault
memory
(including
an
iiluminated
Check
Engine
light)
can
only
be
reset
using
the
spe-
cial
scan
tool
.
Removing
the
connector
from
the
ECM
or
disconnecting
the
battery
will
not
erase
the
fault
memory
.
Table
d
.
OBD
1
Fault
(Blink)
Codes
(1992-1995
modeis
only)
Graphic
representation
of
flashing
Check
Engine
light
fault
code
:
1221
5
Seconds
.
:-
2
.5~-
--05--
Fault
code
and
meaning
1
Corrective
action
Code
1216
:
Throttle
potentiometer
Code
1218
:
Output
stage,
group#1
(DME
3
.3
.ionly)
Code
1219
:
Output
stage,
group
#2
(DME
3
.3.1
only)
Code
1221
:
Oxygen
sensor
#1
Code
1224
:
Air
temperature
sensor
(NTC)
Code
1226
:
Knock
sensor
#2
(DME
3
.3
.1
only)
130
ENGINE-GENERAL
100-
9
2
.5
seconds,
then
go
off
for
2
.5
seconds
.
At
thispoint,
the
fault
codes
will
begin
to
flash
.
See
Table
d
.
If
more
than
one
fault
has
been
detected,
eachcode
will
be
separated
by
a2
.5
second
pause
.
When
al¡
fault
codes
havebeen
displayed,
there
will
be0
.5
second
flash
and
thenthe
light
will
remain
off
.
To
read
the
codes
again,
turn
the
key
off
and
then
on
again
.
Depress
theaccelerator
pedal
to
the
floor
five
times
quickly
(within
5
seconds)
.
The
codes
will
begin
to
repeat
.
On
cars
with
OBD
I,
fault
codes
can
be
read
by
turning
the
To
erase
the
fault
code
memory,
first
make
sure
the
fault
ignition
key
on
and
fully
depressing
theaccelerator
pedal
to
code
1000
(short
blink
and
then
light
goes
out
for
long
period)
the
floor
five
times
within
five
seconds
.
TheCheck
Engine
is
present,
then
depress
the
throttle
fully
for
at
least
10
sec-
light
will
then
remain
on
for
five
seconds,
blink
off,
come
on
for
onds
.
Read
the
fault
codes
as
described
earlier
and
check
for
the
1444
code
(no
faults
stored)
.
-,--------------
Check
Engine
light
on
Check
Engine
light
off
Code
1211
:
DM
E
Control
Module
DME
control
module
may
be
faulty
.
This
code
appears
if
the
control
module
fails
the
self
test
.
Check
inputsto
control
module
.
Repair
Group
130
Code
1215
:
Mass
air
flow
sensor
Check
air
flow
or
mass
air
flow
sensor
and
wiring
to
sensor
.
Repair
Group
130
Test
throttle
potentiometer
resistance
and
wiring
.
Repair
Group
130
Test
DME
control
module
input/outputs
.
Repair
Group
130
Test
DME
control
module
input/outputs
.
Repair
Group
130
Check
sensor
output
signal
to
DME
control
module
.
Repair
Group
Code
1222
:
Oxygen
sensor
lean/rich
control
stop
Check
for
intake
air
leaks
or
reasons
forrich
míxture
.
See
Driveabil-
ity
Troubleshooting
given
earlier
in
this
repair
group
Code
1223
:
Coolant
temperaturesensor
(NTC)
1
Test
coolant
temperature
sensor
.
Repair
Group
130
Test
intake
air
temperature
sensor
.
Repair
Group
130
Code
1225
:
Knock
sensor#1
(DME
3
.3
.1
only)
1
Check
knocksensorand
sensor
wiring
.
Repair
Group
120
Check
knocksensor
and
sensor
wiring
.
Repair
Group
120
Code
1231
:
Batteryvoltage
monitor
Test
battery
voltage
and
battery
check
charging
system
and
starter
.
Repair
Group
121
Code
1234
:
Speedometer
"A"signal
(DME
3
.3
.1
only)
Check
wiring
between
instrument
cluster
and
DME
control
module
.
Electrical
Wiring
Diagrams
Code
1237
:
A/C
compressor
cutoff
(DME
3
.3
.1
only)
Test
DME
control
module
inputs/outputs
from
A/C
system
.
Repair
Group
130
Code
1242
:
A/C
compressor
signal
(DME
3
.3.1
only)
Test
DME
control
module
inputs/outputs
from
A/C
system
.
Repair
Group
130
DRIVEABILITY
TROLIBLESHOOTING
Page 381 of 759
600
Electrical
System-General
GENERAL
.
...........
.
.
.
.
.
.
.
.
.
...
.
...
600-1
Voltage
and
Polarity
........
.
.
.
.
.
.
.
.....
600-1
Ming,
Fuses
and
Relays
............
.
.
.
.
600-1
Electrical
System
Safety
Precautions
...
.
.
.
.
600-1
Electrical
Test
Equipment
.....
.
.
.
....
.
.
.
.
600-2
WIRING
DIAGRAMS
..
.
.
.
.
.
.
.
.
.
........
600-2
Ming
Codes
and
Abbreviations
..
.
...
.
....
600-2
ELECTRICAL
TROUBLESHOOTING
..
.
..
600-3
Voltage
and
Voltage
Drops
..........
.
.
.
.
.
600-4
GENERAL
Electrical
System
Safety
Precautions
A
brief
description
of
the
principal
parts
of
the
electrical
sys-
tem
is
presented
here
.
Also
covered
here
are
basic
electrical
system
troubleshooting
tips
.
Voltage
and
Polarity
The
vehicle
electrical
system
is
a
12-volt
direct
current
(DC)
negative-ground
system
.
A
voltage
regulator
controls
system
voltage
at
approximately
the
12-volt
rating
of
the
battery
.
Al¡
circuits
are
grounded
by
direct
or
indirect
connection
to
the
negative
(-)
terminal
of
the
battery
.
A
number
of
ground
con-
nections
throughout
the
car
connect
the
wiring
harness
to
chassis
ground
.
These
circuits
are
completedby
the
battery
cable
or
ground
strap
between
the
body
and
the
battery
nega-
tive
(-)
terminal
.
Wiring,
Fuses
and
Relays
Nearly
all
parts
of
the
wiring
harnessconnect
to
compo-
nents
of
the
electrical
system
with
keyed,
push-on
connectors
that
lock
into
place
.
Notable
exceptions
arethe
heavy
battery
cables
and
the
starter
wiring
.
The
wiring
is
color-coded
for
cir-
cuitidentification
.
With
theexception
of
the
battery
charging
system,
most
electrical
power
is
routed
from
the
ignition
switch
or
the
bat-
tery
through
the
main
fuse/relay
panel,
located
in
¡he
left
rear
comer
of
the
engine
compartment
.
Fuses
are
color
coded
to
indicate
current
capacities
.
The
relays
and
control
units/modules
are
mounted
in
vari-
ous
places
throughout
the
vehicle
.
See610
Electrical
Com-
ponent
Locations
.
ELECTRICAL
SYSTEM-GENERAL
600-1
Voltage,
measuring
.
.
.
................
.
.
600-4
Voltage
drop,
testing
.
.
.....
.
.....
.
......
600-4
Continuity,
checking
..
.
...
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
600-5
Short
Circuits
.
.
.
.
.
.
.
.
.....
.
...
.
.
.
.
.
.
.
.
.
600-5
Short
circuit,
testing
with
ohmmete'r
.
.
.
.
.
.
.
.
.
600-6
Short
circuit,
testing
with
voitmeter
.
.
.
.
.
.
.
.
.
600-6
TABLES
a
.
Terminal
and
Circuit
Numbers
..............
..
.600-3
Please
read
the
following
warnings
and
cautions
before
do-
ing
any
work
on
your
electrical
system
.
WARNING
-
"
The
cars
covered
by
this
manual
are
equipped
with
aSupplemental
Restraint
System
(SRS)
that
automatically
deploys
one
or
more
airbags
.
Each
airbag
unit
houses
an
explosive
powerful
charge
.
Any
work
involving
the
SRS
system
should
only
be
performed
byan
authorized
BMW
dealer
.
Making
repairs
without
the
proper
knowledge
and
special
test
equipment
may
cause
serious
per-
sonal
injury
.
See
721
Airbag
System
(SRS)
.
"
The
ignition
system
of
the
car
operates
at
lethal
voltages
.
People
with
pacemakers
or
weak
hearts
should
not
expose
themselves
to
the
ignition
sys-
tem
.
Extra
caution
mustbe
taken
when
working
on
the
ignition
system
or
when
servicing
theen-
gine
while
it
is
runningor
the
key
is
on
.
See
120
Ignition
System
for
additional
ignition
system
warnings
and
cautions
.
"
Before
operating
the
starter
without
starting
the
engine
(as
when
making
a
compressfon
test),
dis-
able
the
ignition
system
as
described
in
120
Igni-
tion
System
.
"
Keep
hands,
clothing
and
other
objects
clear
of
the
electric
radiator
coollng
fan
when
working
on
a
warm
engine
.
The
fan
may
start
at
any
tíme,
even
when
the
ignition
is
switched
off
.
GENERAL
Page 383 of 759
NOTE
-
Sometimes
the
color
of
en
installed
wire
may
be
differ-
ent
than
the
one
on
the
wiring
diagram
.
Don't
be
con-
cerned
.
Just
be
sure
lo
confirm
that
the
wire
connects
lo
the
proper
terminals
.
Wire
color
codes
"
BLU
.........
.
..
..
...
.
.................
Blue
"
BRN
....:....
.
..
..
...
..
...............
Brown
"
YEL
.........
.
..
..
...................
.Yellow
"
GRN
.........
.
..
..
...
.
................
creen
"
G
RY
.......
.
.
.
..
..
.....................
G
ray
"
ORG
.........
.
..
..
...
.
..............
.Orange
"
RED
......
...
.
.
..
.....................
.Red
"
BLK
.........
.
..
..
...
.
................
Black
"
VIO
..........
.
..
...
..
..
.......
.
.......
Violet
"
WHT
.........
.
.
....
.
...
:..............
White
Table
a
.
Terminal
and
Circuit
Numbers
Number
1
Circuít
description
1
j
Low
voltage
switched
terminal
of
coi¡
4
1
High
voltage
center
termina¡
of
coi¡
+x
Originates
atignition
switch
.
Supplies
powerwhen
the
ignition
switch
is
in
the
PARK,
RUN,
or
START
position
15
Originates
atignition
switch
.
Supplies
powerwhen
ignition
switch
is
in
RUN
or
START
position
30
Battery
positive
(+)
voltage
.
Supplies
power
whenever
battery
is
connected
.
(Not
dependent
on
ignition
switch
position,
unfused)
31
1
Ground,
battery
negative
(-)
terminal
50
Supplies
power
from
battery
to
starter
solenoid
when
ignition
switch
isin
START
position
only
+54
Originates
atignition
switch
.
Supplies
power
when
ignition
switch
isin
the
RUN
position
only
85
1
Ground
side
(-)
ofrelay
coil
86
1
Power-in
side
(+)
ofrelay
coil
87
1
Relay
actuatedcontact
D
Alternator
warning
light
and
field
energizing
circuit
ELECTRICAL
SYSTEM-GENERAL
600-
3
Additional
abbreviations
shown
in
the
wiring
diagrams
are
given
below
.
Abbreviations
"
ABS
........
.
...
.
...
.
..........
antilock
brakes
"
A/C
........
.
...
..
..
.
.........
.airconditioning
"
AST/ASC+T
.......
...
.
.
.......
al¡
season
traction
"
CONV
.......
.
.
...
.................
convertible
"
DME
........
.
.
...
.......
digital
motor
electronics
"
ECM
.......
.
...
..
..
.
..
electronic
control
module
"
EWS/EWS
II
......
...
.
.
coded
driveaway
protection
"
SRS
........
.
supplemental
restraint
system-airbag
"
TCM
........
.
..
....
.
transmission
control
module
"
ZKE
(94-98
models)
..
..
.
...
central
body
electronics
"
ZVM
(92-93
models)
...
.
.
..
.
.......
central
locking
ELECTRICAL
TROUBLESHOOTING
Most
terminals
are
identified
by
numbers
on
the
compo-
nents
and
harness
connectors
.
The
terminal
numbers
for
ma-
Four
things
are
required
for
current
toflow
in
any
electrical
jor
electrical
connections
are
shown
in
the
diagrams
.
Though
circuit
:
a
voltagesource,
wires
or
connections
to
transport
the
many
terminal
numbers
appear
only
once,
severa¡other
num-
voltage,
a
load
or
device
that
uses
the
electricity,
and
a
con-
bers
appear
in
numerous
places
throughout
the
electrical
sys-
nection
to
ground
.
Most
problemscanbefound
using
a
digital
tem
and
identify
certain
types
ofcircuits
.
Some
of
the
most
multimeter
(volt/ohm/amp
meter)to
check
for
voltage
supply,
common
circuit
numbers
are
listed
below
in
Table
a
.
for
breaks
in
the
wiring
(infinite
resistance/no
continuity),
orfor
a
path
to
ground
that
completesthe
circuit
.
Electric
current
is
logical
in
its
flow,
always
moving
from
the
voltage
sourcetoward
ground
.
Electricalfaults
can
usually
be
located
through
a
process
of
elimination
.
When
troubleshoot-
ing
a
complex
circuit,
separate
the
circuit
into
smaller
parts
.
The
general
testsoutlined
below
may
be
helpful
in
finding
electrical
problems
.
The
information
is
most
helpful
when
used
with
the
wiring
diagrams
.
Be
sure
to
analyze
the
problem
.
Use
the
wiring
diagrams
to
determine
the
most
likely
cause
.
Getan
understanding
of
how
the
circuit
works
by
following
the
circuit
from
groundback
to
the
power
source
.
When
making
test
connections
at
connectors
andcompo-
nents,
use
care
to
avoidspreading
or
damaging
the
connec-
tors
or
terminals
.
Some
tests
may
require
jumper
wires
to
bypass
components
or
connections
in
the
wiring
harness
.
When
connecting
jumper
wires,
use
bladeconnectors
at
the
wire
ends
that
match
the
size
of
the
terminal
being
tested
.
The
small
interna¡
contacts
are
easily
spread
apart,
and
this
can
cause
intermittent
or
faultyconnections
that
can
leadto
more
problems
.
ELECTRICAL
TROUBLESHOOTING
Page 486 of 759
ELE--2
ELECTRICAL
WIRING
DIAGRAMS
FUSE
LINK
64766
I-i
I
-
i
a
1
I
_
ZJ
I
I
I
I
I
I.
4
2
GRN/VIO
I_I
!
___I
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1
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INECONTROL
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Power
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1992-93
318i
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POINT
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TOFUSEF17
COMPUTERHORN
WINDOWMODULE
WINDOWMODULE
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MODULE
(DIAGRAM
60F
7)
RELAY
TO
COMFORTRELAV
Page 495 of 759
8317
4
FROMIGNITION
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FROM
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SWITCH
SWITCH
(DIAGRAM2OF5)
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~(DIAGRAM20F5)
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LIGHT
SW
TO
DATA
LINK
CONNECTOR
Power
Distribution
1994-95
Except
318ti
(3
of
5)
______________________________________________
-_-
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RELAY
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MODULE
SWITCH
MODULE
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(1995)
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INTEGRATED
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CLIMATE
SWITCH
CLUSTER
DEFOGGER
FUNCTION
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MODULE
(AB
S)
SWITCH
SWITCH
CONTROL
REGULATION
RELAY
CLOCK
(1995)
MODULE
CONTROL
MODULE
INSTRUMENT
CLUSTER
Page 498 of 759
ELE-14
ELECTRICAL
WIRING
DIAGRAMS
BATTERY
FUSE
LINK
REDRED
RED
RED
RED
1997
S
.JUMPSTART
JUNCTION
POINT
1996W/TRUNK
MOUNTED
BATTERY
----
1998W/ENGINE
¢
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BATTERY
1996&1997
3181,3181
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(DIAGRAM
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M3
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3281
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1996
W/ENGINE
1996
W/TRUNK
1997
1996
W/ENGINE
1996
WITRUNK
COMPTMOUNTED
MOUNTED
COMPTMOUNTED
MOUNTEDC
BATTERY
BATTERY
BATTERY
BATTERY
REDREDRED
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START
JUNCTION
POINT
Power
Distribution
1996-97
Except
318ti
(1
of
5)
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RED
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3281
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3181.3181x,BC
3181CONVERTIBLE
Page 500 of 759
ELE-16
ELECTRICAL
WIRING
DIAGRAMS
88978
TO
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SEF28
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1996-97
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141
---
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COMPUTER
CONTROL
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IMMOBILIZATION
MODULE
CLUSTER
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MODULE
SWITCH
MODULE
MODULE
(1996)
RELAY
SWITCH
(1996)
(1998)
(1997)
0
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CONNECTOR
Page 503 of 759
10437
0
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1998Except
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OF
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Page 505 of 759
TOFUSEF16
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(DIAGRAM
4
OF
5)
TOFUSEF28
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(DIAL
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4
OF
5)
TOFUSEF24
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ELECTRICAL
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ELE-21
Power
Distribution
1998Except
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(3
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2B
NOTUSED
0259
231X
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4151
51
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