160-
6
FUEL
TANK
AND
FUEL
PUMP
Fig
.
7
.
Fuel
sender
and
pump
assembly
.
To
operate
the
fuel
pump
for
testing
purposes
without
hav-
Fuel
leve¡
sender
(left
side),
ing
to
runthe
engine,
the
fuel
pump
relay
can
be
bypassed
to
removing
and
installing
powerthe
pump
directly
.
The
procedure
for
removing
and
replacing
the
left
side
fuel
To
runthe
fuel
pump,
remove
the
relay
and
connect
the
leve¡
sender
is
similar
tothat
used
for
the
right
side
.
There
is
socket
for
relayterminal
30
to
the
socket
for
relay
terminal
no
.
no
fuel
pump
on
the
left
side
.
87
with
afused
jumper
wire
.
Relay
terminal
identification
is
shown
in
Fig
.
9
.
After
completing
the
tests,
remove
the
jumper
wire
.
FUEL
PUMP
The
electric
fuel
pump
ís
mounted
in
the
fuel
tank
in
tandem
with
the
right
side
fuelleve¡
sender
.
The
fuel
pump
delivers
fuel
at
high
pressure
to
the
fuel
injection
system
.
A
pressure
regulator
maintains
system
pressure
.
The
quantity
of
fuel
sup-
plied
exceeds
demand,
so
excess
fuel
retums
to
the
fuel
tank
via
a
retum
líne
.
See
130
Fuel
Injection
for
more
information
on
system
pressure
and
the
fuel
pressure
regulator
.
NOTE
-
Fuel
pump
removalprocedures
are
given
earlier
under
Fuel
leve¡
sender
(right
side)
and
fuel
pump,
remov-
íng
and
installing
.
Fuel
Pump
Fuse
and
Relay
The
fuel
pump
is
operated
by
a
fuel
pump
relay
located
ín
the
power
distribution
box
.
The
fuel
pump
circuit
is
protected
by
fuse
no
.
18
located
in
the
power
distribution
box
.
See
Fig
8
.
FUEL
PUMP
0013142
Fuel
DM
E
PUMP
main
re
ay
rel
ay
0
aoo
o
~a
aao
ó
Fig
.
8
.
Fuel
pump
relay
location
in
power
distribution
box
.
The
DME
engine
control
module
(ECM)
and
the
DME
main
relay
supply
power
to
the
coi¡
sideof
the
fuel
pump
relay
.
Dur-
ing
starting,
the
fuel
pump
runs
as
long
as
the
ignition
switch
is
in
the
start
position
and
continues
to
run
oncethe
engine
starts
.
If
an
electrical
system
fault
interrupts
power
to
the
fuel
pump,
the
engine
will
notrun
.
Operating
fuel
pump
for
tests
CA
UTION-
Relay
locations
may
vary
.
Use
care
when
identify-
ing
relays
and
when
troubleshooting
the
electrical
system
at
the
fuselrelay
panel
.
The
fuel
pump
re-
¡ay
is
a
four
pin
relay
and
has
a
1.5
mm
2
red
wireat
terminal
30
in
the
relay
socket,
lf
in
doubt,
con-
sult
an
authorized
BMW
dealer
.
NOTE-
Thejumper
wire
shouldbe
1.5
mm2
(14
ga
.)
and
in-
clude
en
in-fine
fuse
holder
with
a16
amp
fuse
.
To
avoid
fuselrelay
panel
damage
fromrepeated
connect-
íng
and
disconnecting,
also
include
a
toggleswitch
.
A
heavy-duty
jumper,
BMW
tool
no
.
613
050,
fs
also
available
from
en
authorized
BMW
dealer
.
0013034,
If
the
pump
does
notrun
with
the
jumper
installed,
the
fault
could
be
in
the
fuel
pump
or
the
wiring
to
the
pump
.
Check
the
pump
and
its
wiring
as
described
below
.
Fig
.
9
.
Fuel
pump
relay
terminal
identification
.
Fuel
Pump
Electrical
Tests
Troubleshooting
of
any
fuel
pump
fault
should
begin
with
checking
the
fuel
pump
fuse
and
the
fuel
pump
relay
.
The
DME
main
relay
should
also
be
checked
.
NOTE-
Special
tools
are
requíred
for
some
of
the
tests
de-
scribed
here
.
Fuel
pump
electrical
circuit,
testing
The
fuel
pump
electrical
circuit
diagram
is
shown
in
Fig
.
10
.
3
.
If
fuel
pump
does
not
run,
disconnect
black
harness
connector
from
tank
sender
unit
.
With
jumper
wire
con-
nectedas
described
in
step
2
above,
check
for
positive
(+)
batteryvoltage
at
harness
connector
terminals
.
See
Fig
.
11
.
FUEL
TANK
AND
FUEL
PUMP
160-
7
From
Main
Relay
(+15
power
with
key
in
run
From
B+juretion
point
orstartposition)
(batteryvoRageatalltirnes)
'
.5
RD/Nrr
1
.5
RD
1
.5
GNNI
From
Engine
2
.5
GNNI
Control
Module
15
2
.5
GNNI
Ground
(below
center
console)
Fig
.
10
.
Fuel
pump
electrical
circuit
.
30
-~
Relay
Fuel
Pump
8~T
I
1
s
ám
61
Front
Power
I
a
1
Distribution
Box
I_
16
WIRING
COLOR
CODE
BK
-
BLACK
BR
-
BROWN
Fuel
Pump
RD
-
RED
(in-tank)
M
YL
YELLOWGN
-
GREENBU
-
BLUE
1
VI
-
VIOLET
GY
-
GREY
WT
-
WHITE
PK
-
PINK
0011946
4
.
If
voltage
and
groundare
present,
fuel
pump
is
proba-
bly
faulty
.
If
there
is
no
voltage,
check
wiring
From
fuel
pump
Reay
and
make
sure
Reay
is
functioning
correctly
.
CAUTION-
Fuseandrelaylocationsmayvary
.
Usecara
when
Fuel
pump
power
consumption,
testing
troubleshooting
the
electrical
system
at
the
fuselrelay
panel
.
To
resolve
problems
in
identify-
NOTE-
ing
a
relay,
see
en
authorízed
BMW
dealer
.
"
To
achieveaccurate
testresults,
fhe
battery
voltage
at
the
connector
should
be
approximately
13
volts
.
1.
Remove
rearseat
cushion,
pull
right
side
insulation
mat
Charge
the
battery
asnecessary
.
back
to
expose
fuel
tank
accesscover
.
Remove
cover
.
q
higher
than
normal
power
consumption
usually
fin-
to
expose
wiring
connections
.
dicates
a
worn
fuel
pump,
which
may
cause
intermit-
tentfuel
starvation
due
lo
pump
overheating
and
2
.
Remove
fuel
pump
relay
and
opérate
fuel
pump
as
de-
seizure
.
The
only
remedy
is
pump
replacement
.
Be
scribed
under
Operating
fuel
pump
for
tests
earlier
.
sure
to
check
that
thereturn
fine
and
the
pump
pickup
Pump
should
run
.
Disconnect
jumper
wire
when
fin-
are
not
obstructed
before
replacing
the
pump
.
ished
.
1
.
Remove
rear
seat
cushion,
pull
right
side
insulation
mal
back
to
expose
fuel
tank
accesscover
.
Remove
cover
to
expose
wiring
connections
.
2
.
Disconnect
(black)
harness
connector
from
fuel
pump
.
3
.
Connect
an
ammeter
and
an
insulated
jumper
wire
be-
tween
terminals
in
connector
and
corresponding
pump
terminals
.
See
Fig
.
12
.
FUEL
PUMP
210-2
CLUTCH
Clutch
hydraulic
system,
bleeding
and
flushing
If
the
clutch/brake
fluid
is
murky
or
muddy,
or
has
not
been
changed
within
the
last
two
years,
the
system
should
be
flushed
.
Flushing
the
old
fluid
from
the
clutch
lines
is
done
us-
ing
a
brake
system
pressure
bleeder
.
1
.
Remove
brake
fluíd
reservoir
cap
.
Usinga
clean
sy-
ringe,
remove
brake
fluid
from
reservoir
.
Refill
reservoir
with
clean
fluid
.
2
.
Attach
pressure
brake
bleeder
to
fluid
reservoír
.
CA
UTION-
Do
not
exceed
2
bar
(29
psi)
pressure
at
the
fluid
reservoir
when
bleeding
or
flushing
the
hydraulic
system
.
3
.
Connect
a
length
of
hose
from
clutch
slave
cylinder
bleeder
valve
lo
a
container
.
See
Fig
.
2
.
0012003
Fig
.
2
.
Clutch
slave
cylinder
bleeder
valve
on
left
side
of
transmission
(arrow)
.
4
.
Open
bleeder
valve
and
allow
brake
fluid
to
expel
until
clean
fluid
comes
out
free
of
air
bubbles
.
5
.
Close
bleeder
valve
and
disconnect
pressure
bleeding
equipment
from
fluid
reservoir
.
Hose
on
bleeder
valve
remainsconnected
.
6
.
Slowly
operate
clutch
pedal
about10
times
.
Fill
reser-
voir
with
clean
fluid
asnecessary
.
7
.
Unbolt
slavecylinder
from
transmission
.
8
.
Position
slave
cylinder
so
that
bleeder
valve
is
facing
up
(highest
point)
.
CLUTCH
HYDRAULICS
9
.
Open
bleeder
valve
and
slowly
push
slave
cylinder
pushrod
al¡
the
way
in
.
Close
bleeder
valve
and
slowly
release
pushrod
.
Repeat
procedure
until
fluid
runs
out
clear
and
without
bubbles
.
10
.
Disconnect
bleeder
hose
.
Instan
slavecylinder
lo
trans-
mission
.
Add
cleanbrake
fluid
to
reservoir
as
neces-
sary
.
Check
clutch
operation
.
Tightening
Torques
"
Clutch
slave
cylinder
to
transmission
................
..
22
Nm
(17
ft
lb)
Clutch
master
cylinder,
replacing
The
clutch
master
cylinder
is
mounted
to
the
pedal
assem-
bly,
directly
above
the
clutch
pedal
.
1
.
Disconnect
negative
(-)
cable
from
battery
.
CAUTION-
Prior
to
disconnectiog
the
battery,
read
the
battery
disconnection
cautionsgiven
at
the
front
of
this
manual
on
page
viii
.
2
.
Remove
brake
fluid
reservoir
cap
.
Usinga
clean
sy-
ringe,
remove
brake
fluid
from
reservoir
.
CA
UTION-
Brake
fluid
is
poisonous,
highly
corrosive
and
dan-gerous
to
the
environment
.
Wear
safety
glasses
and
rubbergloves
when
working
with
brake
fluid
.
Do
notsiphonbrake
fluid
with
your
mouth
.
Imme-
diately
clean
away
any
fluid
spilled
on
painted
sur-
faces
and
wash
with
water,
asbrake
fluid
will
remove
point
.
3
.
Disconnect
fluid
supply
hose
from
master
cylinder
.
Placea
pan
under
hose
to
catch
any
excess
fluid
.
4
.
Working
in
engine
compartment,
disconnect
fluid
line
fitting
frommaster
cylinder
.
5
.
Working
in
passenger
compartment,
remove
lower
in-
strument
panel
trim
above
pedal
cluster
.
6
.
Disconnect
clutch
pedal
from
clutch
master
cylinder
push
rod
by
removing
clevis
pin
locking
clip
and
slide
out
clevis
pin
.
7
.
Remove
master
cylinder
mounting
bolts
.
See
Fig
.
3
.
8
.
Installation
is
reverse
of
removal
.
Fill
fluid
reservoir
with
clean
fluid
.
Bleed
clutch
hydraulics
as
described
earlier
.
Connect
negative
cable
to
battery
last
.
6
.
Disconnect
ABS
electrical
connectors
.
Label
and
then
disconnect
brake
lines
from
hydraulic
brake
unit
.
Plug
openíngs
.
See
Fig
.
12
.
~
~
A
1/
B
'1v
C
~
F
lu
11
-ri
J
.
0013244
A
.
Right
front
F
Front
from
master
cylinder
B
.
Leftfront
R
.
Rear
from
master
cylinder
C
.
Rear
Fig
.
12
.
Brake
fluid
linesat
ABS
hydraulic
unit
.
WARNING
-
"
On
cars
with
All
Season
Traction
(AST),
special
BMW
service
equipment
is
required
to
properly
bleed
the
Antilock
Brake
System
(ABS)
.
Removal
of
the
ABS
hydraulic
unit
is
not
recommended
un-
less
this
equipment
is
available
.
For
safetyrea-
sons,
the
brake
system
on
cars
with
ABS
must
not
be
bled
using
the
procedures
described
inthis
repair
group
.
"
Do
not
mix
up
the
fluid
fines
at
the
ABS
hydraulic
unit
Label
all
connections
before
disconnecting
.
7
.
Remove
ABS
hydraulic
unit
from
engine
compartment
.
8
.
Working
inside
car,
remove
panel(s)
frombeneath
steering
column
to
access
pedal
assembly
.
See513
In-
terior
Trim
.
12
.
Make
sure
al¡
nuts,
fluid
couplings,
thread
bores
and
mating
surfaces
are
clean
.
BRAKES
340-
9
0011261
Fig
.
13
.
Brake
pedal
clevispin
and
retaining
clip
(A)
.
Brake
booster
mounting
nuts
shown
at
arrows
.
13
.
If
necessary,
mount
master
cylinder
to
vacuum
booster
using
a
new
O-ríng
and
newself-locking
nuts
.
CAUTION-
Do
not
over-torque
the
master
cylinder
mounting
bolts
.
This
could
damage
the
brake
booster
and
prevent
proper
vacuum
build-up
.
14
.
Installation
is
reverse
of
Rmoval
.
"
Bleed
brakes
as
described
earlier
.
"
Check
and,
if
necessary,
adjust
brake
light
switch
above
brake
pedal
.
Tightening
Torques
"
Brakemaster
cylinder
to
brake
booster
...........
.
..
..
...
26
Nm
(18
ft-Ib)
"
Brake
booster
to
bulkhead
.
.
..
..
...
22
Nm
(16
ft-Ib)
"
Brake
fluidline
to
master
cylinder
or
ABS
hydraulic
unit
.......
.
..
17-19
Nm
(13-14
ft-lb)
9
.
Remove
clip
and
clevis
pin
from
brake
booster
pushrod
and
disconnect
it
from
brakepedal
.
Remove
brake
booster
mounting
nuts
.
See
Fig
.
13
.
NOTE-
10
.
Working
in
engine
compartment,
remove
brake
booster
When
replacing
the
brake
booster
one-way
valve
or
together
with
master
cylinder
.
vacuum
hose,
install
the
valve
so
that
the
molded
arrow
is
pointing
toward
the
intake
manifold
.
Use
new
hose
11
.
If
booster
or
master
cylinder
O-ring
is
being
replaced,
clamps
.
disconnect
master
cylinder
from
brake
booster
.
BRAKE
BOOSTER
400-2
BODY-GENERAL
4-door
Sedan
Coupe
-
saas3
.7""
351
/
37
.3
O
I
x
`-193
267
o
oa
'3281
model
"M3
model
Convertible
BODYASSEMBLY
55
ass
.e
iss
""
-
66
.9
-
Fig
.
2
.
E36
body
dimensíons
.
BODY
ASSEMBLY
29
.4
29
4
The
BMW
3
Series
chassis
is
a
unibodydesign
constructed
ofhigh
strength
steel
.
Attaching
parts,
suchas
the
front
fend-
ers,
rear
quarter
panels,
doors,
trunk
lid
and
hood
are
also
constructed
of
steel
.
706
.31108
.7"
I
38
.5
174
.5
174
.5
O
oo
196
.3/106
.7'
"
35_5
1.
.
55
.9,566
".
106
.3/196
.7""
i.
358
-1745-
55
9/56
3'/56
6"
-
J
0013099
Windows
bonded
flush
to
the
body
and
the
guided
flow
of
cooling
air
into
the
engine
compartment
provide
a
good
coeffi-
cient
of
drag(CD)
.
TheE36
cars
have
a
CD
of
approximately
0
.30for
the
sedan
and
coupe
models,
and
0
.35
for
the
con-
vertible
models
:
The
exterior
panels
are
corrosion-resistant
zinc
coated
steel
.
The
front
fenders
are
bolted
on
and
easily
replaceabie
.
The
body
styles
of
E36
cars
coveredby
this
manual
arethe
See410
Fenders,
Engine
Hood
.
4-door
sedan,
2-door
coupe
and
convertible
.
Body
dimen-
sions
vary
slightly
betweenmodels
.
See
Fig
.
2
.
The
front
and
rear
bumpers
use
an
aluminum
framework
with
an
overlaid
high-impact,
deformable
plastic
cover
.
This
Exterior
and
Aerodynamics
bumper
system
keeps
damage
to
a
minimum
in
head-on
colli-
sions
of
up
to
10
m
.p
.h
.
(15
km/h)
.
See
510
Exterior
Trim,
TheE36
can
be
immediatelyrecognized
asa
typical
BMW
.
Bumpers
.
With
its
traditionalstyling
features,
suchas
the
BMW
kidney
grille,
circular
headlights
behind
a
glass
cover
(for
reasons
of
streamliníng),
and
the
"kick"
in
the
rearmost
roof
pillar
(C-pil-
lar)
.
GENERAL
This
repair
group
covers
replacement
of
the
front
fenders
and
removal
and
installation
of
the
engine
hood
.
NOTE-
The
body
is
painted
at
the
factoryafter
assembly
.
Re-
alignment
of
body
panels
may
expose
unpainted
metal
.
Paint
all
exposed
metal
once
the
work
fs
complete
.
FRONT
FENDERS
Front
fender,
removing
and
installing
1
.
Raise
hood
.
Raise
and
safely
support
front
of
vehicle
.
WARNING
-
"
When
raising
thecar
using
a
floor
jack
or
a
hy-
draulic
lift,
carefully
position
the
jack
pad
to
pre-
vent
damaging
thecar
body
.
A
suitable
liner
(wood,
rubber,
etc
.)
should
be
placed
between
the
jack
and
the
car
to
prevent
body
damage
.
"
Watch
the
jack
closely
.
Make
sure
it
stays
stable
and
does
not
shift
or
tilt
.
As
the
car
is
raised,
the
car
may
roll
slightly
and
the
jack
may
shift
.
2
.
Remove
front
wheel
.
Remove
inner
plastic
liner
from
wheel
well
.
3
.
Remove
front
bumper
.
See510
Exterior
Trim,
Bumpers
.
4
.
Working
atfront
corner
of
fender,
remove
front
grille
panel
bolts
(2
bolts
at
left
and
right)
.
See
Fig
.
1
.
FENDERS,
ENGINE
HOOD
410-1
410
Fenders,
Engine
Hood
GENERAL
...............
.
.
.
.
.
.
.
.
.
.
.
..
410-1
ENGINE
HOOD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
...
.
.410-3
Hood,
raising
to
service
position
.
.
.
.
.
.
.
.
...
410-3
FRONTFENDERS
........
.
.
.
.
.
.
.
.
.
.
.
.
.410-1
Hood,
removin
and
installin
410-3
Front
Pender,
removing
and
installing
.
.
.
....
410-1
Hood,
aligning
...
.
.
.
.
.
.
.
.....
.
.
.
.
.
.
.
...
410-4
Hood
release
cable
and
latches,
adjusting
...
410-4
001
.145
Fig
.
1
.
Front
grille
panel
to
front
fender
retaining
bolts
(arrows)
.
Front
bumpershown
removed
.
5
.
Remove
front
turn
signalliens
assembly
from
applica-
ble
front
corner
.
Carefully
pryout
side
directional
from
fender
(later
cars
only)
.
See
630
Exterior
Lighting
.
6
.
Remove
fender
attaching
bolts
atfront
underside
of
fender
.
See
Fig
.
2
.
7
.
Remove
bolts
along
top
edge
of
fender
:
See
Fig
.
3
.
8
.
Open
front
door
and
remove
fender
mounting
bolts
in
door
jamb
.
See
Fig
.
4
.
9
.
Carefully
remove
fender
from
body
.
FRONTFENDERS
410-2
FENDERS,
ENGINE
HOOD
Fig
.
2
.
Fender
attaching
bolts,
lower
front
(arrows)
.
Fig
.
3
.
Loosen
bolt
A
at
top
offender
.
Remove
bolts
B
.
FRONTFENDERS
0013104
0013105
0013106
Fig
.
4
.
Front
fender
attaching
bolts
as
viewed
through
doorjamb
(ar-
rows)
.
10
.
Installation
is
reverse
of
removal,
noting
the
following
:
"
Before
installing
new
fender,
clean
old
sealant
and
pro-
tective
coating
from
mounting
surfaces
.
"
Position
new
fender
and
loosely
install
all
mounting
bous
.
Align
fender
with
door
pillar
and
front
panel,
then
tighten
bolts
.
"
Repair
any
paint
damage
and
paint
any
exposed
met-
al
.
"
Reseal
and
apply
protective
coating
to
mounting
sur-
faces
.
Clearance
Specification
"
Fender
to
front
hood
or
to
door
.
...
5
.5
mm
(0
.216
ín)
410-4
FENDERS,
ENGINE
HOOD
4
.
With
aid
of
assistant,
remove
hood
hinge
bolts
from
left
and
Rght
sides
of
hood
.
Lift
hood
off
carefully
See
Fig
.
8
.
Fig
.
8
.
Hood
hinge
bolts
(arrows)
.
Right
side
shown
.
5
.
Installation
is
reverse
of
removal
.
NOTE-
The
hood
was
fitted
and
attached
to
an
unfinished
body
at
the
factory
.
Unfinished
surfaces
exposed
by
this
pro-
cedure
must
betouchedup
wfth
pafnt
.
Hood,
aligning
ENGINE
HOOD
0013149
6013150
Fig
.
9
.
Hood
panel
gaps
should
be
even
(approx
.
5
.5
mm)
at
all
points
(arrows)
.
Hood
release
cable
and
latches,
adjusting
Before
adjusting
hood
latches,
be
sure
the
hood
is
aligned
evenly
to
fenders
and
front
panel
.
The
hood
latch
and
cable
assembly
is
shown
in
Fig
.
10
.
"
Repair
any
paint
damage
and
paint
any
exposed
metal
.
"
Check
hood
alignment
as
described
next
.
1
.
To
adjust
hood
cables
:
When
installing
the
hood,
align
the
hinges
as
close
to
the
original
paintedsurface
as
possible
.
Movement
of
the
hood
on
its'attaching
hardware
may
require
touch-up
paint
.
The
hood
should
be
aligned
so
that
gapson
all
sides
areas
even
as
possible
.
See
Fig
.
9
.
Clearance
Specification
"
Hood
edges
to
adjoining
body
panel
(gap)
........
..
..
..
.....
.5
.5
mm
(0.216
in)
"
Remove
left
and
right
radiator
grilles
.
See
510
Exterior
Trim,
Bumpers
.
"
Remove
electric
auxíliary
cooling
fan
.
See
170
Radia-
tor
and
Cooling
System
.
"
Adjust
cable
section
between
two
hood
latches
so
there
is
no
play
(cables
must
not
be
under
tension
ei-
ther)
.
2
.
Loosen
hood
latches
at
hood
on
left
and
right
sides
.
Loosen
bolts
only
enough
to
allow
movement
of
latch
.
See
Fig
.
11
.
3
.
Lower
(but
do
not
fully
latch)
hood
severa¡
times
so
latches
on
hood
center
themselves
in
lower
locks
.
CA
UTION-
Do
not
let
hood
fockwith
latchbolts
loose
.
4
.
Tighten
hood
latch
bolts
when
alignment
is
correct
.
5
.
Remove
one
screw
fromeach
side,
clean
and
coat
with
Loctite
O
270
or
equivalent,
and
reinstall
.