110-
4
ENGINE
REMOVAL
AND
INSTALLATION
Engine,
removing
and
installing
(6-cylinder
engines)
Engineremoval
procedures
for
the
various
6-cylinder
en-
gines
arecovered
in
this
section
.
Most
steps
in
theproce-
dures
are
similar
or
the
same
for
al¡
engines
.
Specific
differences
that
apply
are
noted
at
the
beginning
of
each
step
.
Be
sure
to
cover
all
painted
surfaces
before
beginning
the
removal
procedure
.
As
an
aid
to
installation,
label
all
compo-
nents,wires,
and
hoses
before
removing
them
.
Do
not
reuse
gaskets,
O-rings
or
seals
during
reassembly
.
WARNING
-
Due
to
risk
of
personal
injury,
be
sure
the
engine
is
cold
before
beginning
the
removalprocedure
.
1
.
Disconnect
negative
(-)
battery
cable
in
luggage
com-
partment
.
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
onpage
vi¡¡
.
2
.
Remove
engine
hood
or
place
hood
in
service
position
.
See410
Fenders,
Engine
Hood
.
NOTE-
1t
is
not
necessary
to
remove
the
engine
hood,
but
it
is
helpful
and
will
make
engine
removal
and
installation
easier
.
3
.
Remove
splash
guardunder
engine,
if
applicable
.
4
.
Remove
transmission
from
car
.
See
230
Manual
Transmission
or
240Automatic
Transmission
.
5
.
Remove
vacuum
hosefrom
brake
booster
on
bulkhead
.
Cover
hole
in
booster
and
plug
hose
end
.
6
.
Remove
intake
air
plenum
panel
in
rear
of
engine
com-
partment
.
See
640
Heating
and
AirConditioning
.
7
.
Remove
ground
strap
from
timing
case
cover,
if
appli-
cable
.
8
.
Remove
top
enginecovers
and
disconnect
ignition
coil
harness
connectors
.
Working
at
fuel
injectors,
pry
open
small
wire
clipsat
each
injector
.
Remove
main
harness
hold-down
nuts
and
lift
completeharness
away
.
See
Fig
.
7
.
ENGINE
REMOVAL
AND
INSTALLATION
Fig
.
7
.
Remove
mainharnessfrom
top
engine
and
place
at
base
of
windshield
.
0012703
Fig
.
8
.
Mass
air
flow
sensor
connector
air
duct
hose
clamp,
and
air
cleaner
housing
mounting
bolts
(arrows)
.
9
.
Unbolt
andremove
complete
air
cleaner
housing
with
10
.
On
cars
with
automatic
transmission,
remove
front
and
mass
air
flow
sensor,
disconnecting
and
labeling
con-
rearbrackets
holding
transmission
cooler
linesto
side
nectors,
ducting
and
hoses
asnecessary
.
See
Fig
.
8
.
of
engine
.
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)
.
400-
6
BODY-GENERAL
Heating
and
Air
Conditioning
The
electronically
controlled
heating
and
air
conditioning
systemusesan
extra
large,
infinitely
variable
radial
blower
motor
for
good
distribution
of
air
.
Fresh
air
enters
through
the
grille
below
the
engine
hood
and
finto
the
passenger
compart-
ment
via
the
dashboard
and
footwell
vents
.
See
Fig
.
5
.
Repair
information
for
the
heating
and
air
conditioning
sys-
tem
is
covered
in
640
Heating
and
Air
Conditioning
.
Fig
.
5
.
Heating
and
air
conditioning
ventilation
plan
.
INTERIOR
EQUIPMENT
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)
ENGINE
HOOD
Hood,
raising
to
service
position
CA
UTION-
Do
not
switch
on
the
windshield
wipers
wlth
the
engine
hood
raised
.
As
a
precaution,
remove
the
wiper
motor
fuse
.
See
610
Electrical
Compo-
nent
Locations
.
1
.
4-door
models
:
Open
hood
fully
.
Remove
bolt
from
hood
hinge
behind
hood
supports
(left
and
right)
.
Raise
hood
to
service
position
.
See
Fig
.
5
.
2
.
2-door
models
:
Open
hood
fully
.
Fig
.
5
.
Hood
support
bracket
boltto
be
removed
(A)
on
4-door
cars
.
Remove
bolts
at
left
and
right
hinges
.
Swing
bracket
in
direc-
tion
of
arrow
to
raise
hood
into
service
position
.
"
Remove
ground
cable
atright
hood
hinge
.
"
Whilean
assistant
supports
hood,
detach
both
hood
supportsfrom
hood
.
"
Remove
detent
screws
at
back
of
hood
hinges
.
See
Fig
.
6
.
"
Lift
hood
while
pulling
hinge
forward
.
Support
hood
at
higher
position
.
3
.
When
service
work
is
complete,
return
hood
to
lower
position
and
instaf
screws
or
bolts
.
FENDERS,
ENGINE
HOOD
410-
3
Fig
.
6
.
Torx
screw
at
base
of
hood
hinge
(arrow)
.
Hood,
removing
and
installing
0013147
1
.
Raise
hood
.
Where
applicable,
partially
remove
hood
acoustic
insulation
to
access
rear
of
hood
.
See
Fig
.
7
.
Fig
.
7
.
Hood
insulation
retainer
being
pried
out
3
.
Detachgas-charged
hood
supportsfrom
hood
.
CAUTION
-
The
hood
is
heavy
.
Before
removing
the
hood
sup-
ports
or
hood
retainingbolts,
be
sure
to
have
an
assistant
help
support
the
hood
.
0013148
2
.
Disconnect
washer
fluid
hoses
from
washer
nozzles
.
Where
applicable,
disconnect
electrical
harness
con-
nectors
fromheated
nozzles
.
ENGINE
HOOD
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
.
Center
hood
,
00--&---
cable
Hood
latch
_
I
upperleft
Fig
.
10
.
Hood
locking
components
.
Cable
adjusting
section
shown
at
inset
.
Fig
.
11
.
Hood
latch
mounting
bolts
(arrows)
.
Left
latch
shown
.
Hood
lock
0013160
lower
left
6
.
Test
hood
for
correct
closure
and
opening
.
If
hooddoes
notspring
open,
lengthen
springpins
at
latches
.
See
Fig
.
12
.
FENDERS,
ENGINE
HOOD
410-5
001aio
Fig
.
12
.
To
lengthen
spring
pin,
loosen
locknut
with
wrench
inserted
through
spring,
then
turn
pin
(arrow)
counterclockwise
.
ENGINE
HOOD