230 BMW 318i 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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.
.
.....
.
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...
.
.
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v
Warnings
and
Cautions
.....
.
...
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.
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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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...
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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 27 of 759
Table
b
.
Inspection
I
Service
MAINTENANCE
PROGRAM
020-5
ad
d
d
ID
a
r
c
d
a~
;v
a
:
Q~
wE
y
a
r
E
R
:
L-
0
Maintenance
ítem
1
z
3
~
c
d
Engine
compartment
maintenance
Change
oil
and
oil
filter
.
Check
brake/clutch
fluid
leve¡
Check
battery
acid
leve¡
and
correct
asnecessary
.
Repair
Group
121
Check
engine
coolant
level
and
anti-freeze
protection
and
addasnecessary
.
Inspect
for
cooling
system
leaks
.
Repair
Group
170
Lubricate
throttie
linkage
Under
car
maintenance
Check
transmission
for
externa¡
leaks
.
Check
manual
transmission
oil
leve¡
andadd
asnecessary
.
Repair
Group
230
Check
final
drive
lubricant
and
addasnecessary
.
Check
fue¡
tank,
fuel
lines,
and
all
connections
for
leaks
.
Inspect
exhaust
system
.
Repair
Group
180
Check
steeringrack
and
steeringlinkages
.
Check
power
steering
system
for
leaks
.
Check
(luid
leve¡
.
Repair
Group
320
Inspect
brake
system
for
damaged
hoses
and
fines,
leaks
or
damage
.
Remove
calipers
and
check
brake
pad
wear
.
Check
brake
rotors
for
scoring
damage
.
Repair
Group
340
Check
parking
brake
operation,
adjust
cable
if
necessary
Repair
Group
340
Inspect
front
and
rear
suspension,
including
wheel
bearings,
for
play
.
Repair
Group
320/330
Inspect
wheelsand
tires,
including
spare,
check
tire
pressure
and
condition
Body
and
Interior
Maintenance
Lubricate
door
hinges
and
hood
latch,
hood
hinges
Check
headlight
and
driving
light
aiming
and
adjust
as
necessary
.
Check
operation
of
headlights,
parking
lights,
back-up
fights,
licenseplate
lights,
interior
lights,
glove
box
light,
engine
compartment
light,
trunk
light,
instrument
panel
lights,
turnsignals,
emer-gency
flashers,
stop
fights,
horas,
headlight
flasher
and
dimmer
switch
Replace
ventilation/A/C
micro-filter
.
Check
functionof
air
conditioning
.
Repair
Group
640
Check
function
of
seat
belts
.
Repair
Group
720
Check
tightness
of
mountfng
screws
on
airbag
front
crash
sensors
(Airbag
I)
.
Repair
Group
721
Check
windshield
washer
fluid
leve¡
and
concentration,
add
as
necessary
Check
operation
of
washer
system
.
Check
condition
of
wiperblades
.
Repair
Group
611
Tighten
nuts
and
bolts
for
door
locks
and
striker
plates
Replace
batteries
for
alarm/remote
control
in
masterkey(where
applicable)
.
Road
Test
Check
braking
performance,
steering,
HVAC,
manual
or
automatic
transmission,
and
mirrors
Service
Interval
Reset
Reset
service
indicator
using
specialreset
tool
.
MAINTENANCE
TALES
Page 28 of 759
020-6
MAINTENANCE
PROGRAM
Group
310/330
Table
c
.
Inspection
II
Service
a
d
d
a
a>
0
d
a
r
.c
mm
L
m
y
L
E
ó
3
E
ó
Maintenance
ítem
l
o-
z
~
c
Engine
compartment
maintenance
Inspect
V-belt
/Poly-ribbeddrive
condition
.
Check
V-belt
tension,
if
applicable
.
Lubricate
throttle
linkage
.
Replace
air
filter
.
Change
oil
and
oil
filter
.
Replacespark
plugs
.
Repair
Group
120
Check
brake/clutch
fluid
leve¡
.
Check
battery
acid
leve¡
and
correct
asnecessary
.
Repair
Group
121
Check
engine
coolant
leve¡
and
anti-freeze
protection
and
add
asnecessary
.
Inspect
for
cooling
system
leaks
.
Repair
Group
170
Under
car
maintenance
Change
automatic
transmission
fluid
.
Repair
Group
240
Change
manual
transmission
oil
.
Repair
Group
230
Check
clutch
plate
for
wear
.
Repair
Group
210
Check
drive
axle
boots
for
leaks
.
Repair
Group
330
Change
final
drive
fluid
(1995
and
later
models
:
change
synthetic
oil
every
2nd
Inspection
II)
.
Replace
fuel
filter
.
Check
fuel
tank,
fuel
lines,
and
af
connections
for
leaks
.
Inspect
exhaust
system
.
Repair
Group
180
Check
steering
gear
and
steering
¡inkages
.
Check
power
steering
system
for
leaks
.
Check
fluidleve¡
.
Repair
Group
320
Inspect
brake
system
for
damaged
hoses
and
lines,
leaks
or
damage
.
Remove
calipers
and
check
brake
pad
wear
.
Check
brake
rotors
for
scoring
damage
.
Repair
Group
340
Check
parking
brake
operation,
adjust
cable
if
necessary
.
Check
thickness
of
parking
brake
lin-
ings
.
Repair
Group
340
Inspect
front
and
rear
suspension,
including
front
and
rear
wheel
bearings,
for
play
.
Repair
Inspect
wheels
and
tires,
including
spare,
check
tire
pressure
and
condition
.
Body
and
Interior
Maintenance
Lubricate
door
hinges
and
hood
latch,
hood
hinges
.
Check
headlight
and
driving
light
aiming
and
adjust
asnecessary
.
Check
operation
of
headlights,
parking
lights,
back-up
lights,
licenseplate
lights,
interior
lights,
glove
box
light,
engine
compartment
light,
trunk
light,
instrument
panel
lights,
turn
signals,
emer-gency
flashers,
stop
lights,
horns,
headlight
flasher
anddimmer
switch
.
Check
active
check
control
panel
forfauits
(where
applicable)
.
6
Electrical
System
MAINTENANCE
TABLES
Continued
on
next
page
Page 30 of 759
020-
8
MAINTENANCE
PROGRAM
FLUID
AND
LUBRICANT
SPECIFICATIONS
The
fluids
and
lubricante
specified
by
BMW
are
listed
in
Ta-
ble
e
.
Shown
below
is
engine
oil
viscosity
(SAE
grade)
vs
.
oper-
ating
temperature
range
for
the
BMW
enginescovered
in
this
manual
.
Engine
Oil
Viscosity
Requirements
vs
.
Temperature
`S
EAVic
P
Q
SAE
swao
YCO
0
N
M42
engine
1
.1
I
(1
.2
US
qt
.)
M44
engine
1
.1
l(1.2
US
qt
.)
M50
engine
1
.1
1(1.2
US
qt
.)
M52
engine
1
.21(1.3
US
qt
.)
S50US
engine
1
.21(1.3
US
qt
.)
S52US
engine
1
.21(1.3
US
qt
.)
°F
80
-
1o-0
-
30
-----20
WARNING
-
The
use
of
fluids
that
do
not
meet
BMWs
specifica-
tions
may
impair
performance
and
refability,
and
may
void
warranty
coverage
.
Tablee
.
Fluids
and
Lubricants
0013227
Fluid
Approximate
Specification
capacity
Engine
oil
with
filter
change
M42
engine
5
.01
(5
.3
US
qt
.)
M44
engine
5
.0
I
(5
.3
US
qt
.)
M50
engine
6
.5
I
(6.9
US
qt
.)
API
service
SH
or
M52
engine
6
.51
(6.9
US
qt
.)
si
S50US
engine
6
.51
(6.9
US
qt
.)
S52US
engine
6.0
I
(6.3
US
qt
.)
Manual
transmission
oil
FLUID
AND
LUBRICANT
SPECIFICATIONS
See
230Manual
Transmission
for
NOTE-
fluid
specification
Tablee
.
Fluids
and
Lubricants
(continued)
Fluid
Approximate
Specification
capacity
Automatic
transmission
fluid
(ATF)
(drain
and
fill)
(additional
fluid
required
when
installing
a
drytorque
converter)
A4S
310R
See240
AutomaticTransmission
for
fluid
A4S
270R
specification
information
A5S
310Z
Final
drive
(drain
and
fill)
(Lifetime
fluid
;
no
fluid
change
required)
4-cylinder
1
.1
I
(1.2
US
qt
.)
BMW
SAF-XO
6-cylinder
1.7
l(1
.8
US
qt
.)
synthetic
oil
(ex
.
limited
slip)
BMW
SAF-X1-S
synthetic
oil
(limit-
ed
slip)
Power
steering
fluid
Al¡
modeis
permanentlysealed
Dexron
IIPATFno
drain
plug
rake
fluid
All
modeis
-
~
S
AE
Dot4
Engine
coolant
M42
engine
6
.51(6
.9
US
qt
.)
M44
engine
6
.51(6
.9
US
qt
.)
M50
engine
10
.51
(11
.1
US
qt
.)
50%
BMW
anti-
M52
engine
10
.5
1
(11
.1
US
qt
.)
freezel
50%
water
S50US
engine
10
.75
1(11
.4
qt
.)
S52US
engine
10
.75
I
(11
.4
qt
.)
CA
UTION-
Multi-viscosity
engine
oils
should
not
beused
in
the
manual
transmission
.
Use
of
such
an
oil
could
shorten
the
service
life
of
thetransmission
.
Manual
Transmission
Fluid
The
manual
transmissions
installed
in
the
E36
modeis
are
normallyfilled
with
automatic
transmission
fluid
(ATF),
although
alternative
synthetic
lubricants
may
havebeen
used
from
-
the
factory,
depending
on
transmission
type
and
model
year
.
Con-
sult
230
Manual
Transmission
for
additional
information
on
identifying
the
type
of
fluid
installed
.
Automatic
Transmission
Fluid
The
automatic
transmissions
installed
in
the
E36
modeis
are
normally
filled
with
Dexron
111
automatic
transmission
fluid
(ATF),
although
alternative
fluids
havebeen
installed
from
the
factory,
depending
on
transmission
type
and
model
year
.
Some
transmission
are
filled
with
a
special
BMW
"life-time"
automatic
transmission
fluid,
whích
does
not
requireperiodic
fluid
changes
.
Consult
240
Automatic
Transmission
for
ad-
ditional
fluid
specification
information
.
information
1
The
11-
11
lubrican
type
canbefound
on
ti
¡e
`Yype
plate"
on
the
side
of
the
transmission
.
Consult
an
authorized
BMW
dealer
foralternate
fluid
use
and
the
Continued
most-up-to-date
information
regarding
transmission
op-
erating
fluids
.
Page 40 of 759
020-
1
8
MAINTENANCE
PROGRAM
Fig
.
25
.
Inspect
brake
pads
with
the
caliper
removed
.
Minimum
brake
pad
thickness
shown
by
dimension
(A)
.
NOTE-
The
parking
brake
may
lose
some
of
its
effectiveness
if
it
is
not
used
frequently
.
This
is
due
to
corrosion
build-
up
on
the
parking
brake
drum
.
To
remove
corrosion,
ap-
plythe
parking
brake
just
until
it
begins
togrip,
then
pulí
the
lever
up
one
more
stop
(click)
.
Drive
thecar
approx-
imately
400
meters
(1,300
ft
.)
and
release
the
brake
.
To
recheck
the
adjustment
of
the
parking
brake
see340
Brakes
.
UNDER-CAR
MAINTENANCE
0011920
Manual
transmission
fluid,
checking
and
filling
The
manual
transmission
fluid
leve¡
should
be
checked
at
specified
intervals
.
Check
and
fill
the
transmission
with
the
car
ona
leve¡
surface
.
Transmission
(luid
leve¡
checking
and
re-
placement
procedures
are
covered
in
230
Manual
Transmis-
sion
.
Automatic
Transmission
Service
The
automatic
transmission
is
not
equipped
with
a
dipstíck
.
Therefore,
checking
the
ATF
level
is
an
ínvolved
procedure,
which
includes
measuring
and
maintaining
a
specified
ATF
temperature
during
the
checking
procedure
.
For
more
complete
ATF
service,
including
checking
ATF
lev-
e¡
and
ATF
filter
replacement
procedures,
see
240
Automatic
Transmission
.
Front
suspension
and
steering
linkages,
inspecting
Inspection
of
the
front
suspension'and
steering
includes
a
check
of
all
moving
parts
for
wear
and
excessive
play
.
Also
in-
spect
the
rubber
seals
and
boots
for
cracks
or
tears
that
could
allow
the
entry
of
dirt,
water,
and
other
contaminants
.
See
310
Front
Suspension
.
Exhaust
system,
inspecting
Rear
suspension,
inspecting
Exhaust
system
life
varies
widely
according
to
driving
habits
Final
drive
and
rear
drive
axle
service
consists
of
checking
and
environmental
conditions
.
If
short-distance
driving
pre-
and
changing
the
gear
oil,
inspecting
for
leaks,
and
checking
dominates,
the
moisture
and
condensation
in
the
system
will
the
rear
drive
axle
rubber
boots
for
damage
.
not
fully
dryout
.
This
will
lead
to
early
corrosion
damage
and
more
frequent
replacement
.
The
areas
where
leaks
are
most
likely
to
occur
are
around
the
driveshaft
and
drive
axle
mounting
flanges
.
For
more
infor
Scheduled
maintenance
of
the
exhaust
system
is
limitedlo
mation
on
ídentifying
oil
leaks
and
their
causes,
see330
Rear
inspection
.
Check
for
restrictions
due
to
dents
or
kinks
.
Check
Suspension
.
for
weakness
or
perforation
due
to
rust
.
Check
lo
see
that
all
the
hangers
are
in
place
and
properly
supporting
the
system
and
that
the
system
does
not
strike
the
body
.
Alignment
of
the
sys-
Final
drive
oil
leve¡,
checking
temand
the
location
of
the
hangers
aredescribed
in
180
Ex-
haust
System
.
Check
the
lubricant
leve¡
with
thecar
level
.
Remove
the
oil
filler
plug
.
The
leve¡
is
correct
when
the
fluidjust
reaches
the
edge
of
the
filler
hole
.
Install
and
tighten
the
oil
filler
plug
when
Manual
Transmission
Service
the
oil
level
is
correct
.
See
Fig
.
26
.
Manual
transmissionservice
consists
of
inspectingfor
leaks
The
final
drive
should
be
filled
with
a
special
BMW
lubricant
and
checking
and
changing
the
fluid
.
available
through
an
authorized
BMW
dealer
.
In
addition,
the
lubricant
type
varies
depending
onwhether
or
nota
limited-slip
Evidence
of
transmissionleaks
is
fkely
to
beseenaround
the
differential
is
fitted
.
driveshaft
mounting
flange
and
at
the
bottom
of
the
bellhousing
.
For
more
information
on
identifying
oil
leaks
and
their
causes,
see230ManualTransmissionand210
Clutch
.
Tightening
Torque
"
Finaldrive
filler
plug
to
final
drive
housing
..................
70
Nm
(52
ft-Ib)
Page 59 of 759
110
Engine
Removal
and
Installation
GENERAL
.
.
.
.
.......
.
.
.
..........
.
...
110-1
Engine,
removing
and
installing
(4-cylinder
engines)
.
..
.....
..
...........
110-1
ENGINE
REMOVAL
AND
INSTALLATION
110-1
Engine,
removing
and
installing
(6-cylinder
engines)
..
...
...
..
.....
..
....
110-4
GENERAL
Some
special
tools
are
required
for
removal
and
installation
of
the
engine
.
Be
sure
to
have
the
necessary
equipment
on
hand
before
starting
thejob
.
CAUTION-
"
Engine
removal
requires
disconnecting
the
bat-
tery
.
This
may
erase
any
system
fault
code(s)
that
havebeen
stored
in
control
unit
memories
.
Check
forfault
codes
prior
to
disconnecting
the
battery
cables
.
"
If
the
Check
Engine
lightis
illuminated
with
the
engine
running,
see
100
Engine-General
for
On-Board
Diagnostics
(08D)
fault
code
infor-
mation
.
"
If
any
other
system
faults
have
been
detected,
as
indicated
by
an
illuminated
ANTI
LOCK,
SRS
or
AST
warning
light,
see
the
appropriate
repair
group
inthis
manual
or
an
authorized
BMW
dealer
for
more
information
on
fault
codes
.
ENGINE
REMOVALAND
INSTALLATION
Engine,
removing
and
installing
(4-cylinder
engines)
Cover
al¡
painted
surfaces
before
beginning
theremoval
procedure
.
Asan
aid
to
installation,
label
al¡
components,
wires,
and
hoses
before
removing
them
.
Do
not
reuse
gas-
kets,
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
(-)
cable
from
battery
in
luggage
compartment
.
0011969
CAUTION-
Prior
to
disconnecting
the
battery,
read
the
battery
disconnection
cautions
given
at
the
front
of
this
manual
on
page
viii
.
ENGINE
REMOVAL
AND
INSTALLATION
110-1
2
.
Remove
transmission
from
car
.
See230
Manual
Transmission
or
240
Automatic
Transmission
.
3
.
Remove
enginehood
or
place
hood
in
service
positíon
.
See
410
Fenders,
Engine
Hood
.
NOTE-
tt
is
notnecessary
to
remove
the
engine
hood,
but
it
is
helpful
and
will
make
engine
removal
and
installation
easier
.
4
.
Remove
splash
guard
under
engine,
if
applicable
.
5
.
Unbolt
ignition
coil
assembly
from
bracket
on
strut
tow-er
.
Disconnect
wiring
to
ignition
cofs,
then
place
coil
assembly
on
engine
.
6
.
Disconnect
al¡
cables
and
harness
connectors
at
throt-
tle
housing
.
7
.
Unbolt
andremove
complete
air
cleaner
housing
with
mass
air
flow
sensor,
disconnecting
and
labeling
con-
nectors,
ducting
and
hoses
asnecessary
.
See
Fig
.
1
.
Fig
.
1
.
Intake
air
duct
hose
clamp
(A),
mass
air
flow
sensor
connec-
tor
(B),
and
air
cleanerto
air
flow
sensor
clips
(C)
on
M44
en-
gine
.
ENGINE
REMOVAL
AND
INSTALLATION
Page 62 of 759
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
.
Page 71 of 759
Fig
.
11
.
BMW
special
tool
no
.
11
2300
installed
through
bellhousin
and
finto
flywheel
(arrow)
tolockcrankshaft
at
TDC
.
Fig
.
12
.
BMW
special
tool
no
.
11
3
240
installed
on
rear
of
camshafts
tohold
them
at
TDC
.
(M44
engine
shown
.
Other
engínes
are
similar
.)
CAUTION-
The
camshafts
must
be
locked
in
the
TDC
position
using
the
special
service
tool,
or
equivalent,
be-
fore
removing
the
timing
chaín
.
The
tool
holds
the
camshafts
parallel
to
each
other
and
perpendicu-
larto
the
valve
covergasket
surface
.
CYLINDER
HEAD
REMOVAL
AND
INSTALLATION
113-5
6011966
28
.
Remove
hydraulic
chain
tensiones
from
right
side
ofcyl-
inder
head
.
See
Fig
.
13
.
Fig
.
13
.
Hydraulic
chain
tensioner
(arrow)
.
NOTE-
It
is
not
necessary
to
remove
the
cam
sprockets
from
the
chainuntessthese
parts
are
being
reptaced
.
tire
tie
each
sprocket
to
the
chain
to
keep
the
sprockets
timed
to
each
other
.
Keeping
the
sprockets
timed
will
símplífy
instaftation
.
uu
11999
Fig
.
14
.
Chainguide
and
guide
adjusting
sleeve
(arrow)
.
Allen-head
retaining
screwhasbeen
removed
.
Use
slotted
screwdriver
to
loosen
adjusting
sleeve
.
29
.
Remove
mounting
bolts
from
left
and
right
camshaft
sprockets
.
Then
remove
camshaft
sprockets
from
cam-
_
Cylinder
head
assembly,
removing
shafts
.
On
M44
engines,
note
orientation
of
sensor
31
.
Remove
crankshaft
locking
tool
(BMW
special
tool
no
.
wheel
.
11
2
300)
.
Usingthe
crankshaft
vibration
damper
bolt,
30
.
Remove
upper
bolt
from
left
chainguide
.
Loosen
chain
turn
engine
opposite
its
normal
direction
of
rotation
guide
adjusting
sleeve
approximately
two
turns
.
See
(counterclockwise
asviewed
from
the
front)
approxi
Fig
.
14
.
mately
45°
.
This
prevents
accidental
contact
between
valves
and
pistons
during
installation
.
CYLINDER
HEAD,
4-CYLINDER
Page 89 of 759
Fig
.
5
.
BMW
special
tool
11
2300
(arrow)
inserted
through
bell-
housing
hole
and
finto
flywheel
.
A
Tightening
Torque
"
BMW
special
tool11
1
260/11
3
270
to
cylinder
head
.................
23
Nm
(17
ft-Ib)
5
.
Remove
intake
camshaft
bearing
cap
no
.
1
.
6
.
Turn
eccentric
shaft
on
special
tool
until
pressure
is
ap-
plied
to
camshaft
bearing
caps
.
See
Fig
.
7
.
7
.
Remove
remaining
bearing
capmounting
nuts
.
CYLINDER
HEAD
AND
VALVETRAIN
116-
5
NOTE-
Fig
.
7
.
Special
tool
(eccentric
shaft)
beingturned
to
apply
pressure
to
camshaft
bearing
caps
.
8
.
Slowly
release
pressure
oncamshaft
bearing
capsby
turning
eccentric
shaft
.
Remove
bearing
caps
and
camshaft
.
Repeat
procedure
on
remaining
camshaft
.
CAUTION-
Camshaft
bearing
capsmust
be
reinstalled
in
their
original
locations
.
"
The
camshaft
bearing
caps
are
coded
with
a
letter
and
a
number
.
For
example,
`A1
"is
the
exhaust
cam-
shaft
bearing
cap
at
the
front
of
the
engine,
and
"E1"
is
the
intake
camshaft
bearing
cap
at
the
front
of
the
engine
.
"
The
camshaftsare
stamped
with
a
code
letter-`E"
for
the
intake
síde
and
`A"
for
the
exhaust
side
.
F19
.6
.
Special
BMW
tool
no
.
11
3260
(A)
with
adapter
ll
3
270
(B)
.
Tool
mounting
bolts
(arrows)
thread
into
spark
plug
holes
.
"
"E"
is
for
Einfal3,
(German
for
intake)
and
`A"
is
for
Auspuff,
(German
for
exhaust)
.
"
The
front
of
the
engine
is
at
the
front
of
the
car
.
CYLINDER
HEAD,
DISASSEMBLYAND
ASSEMBLY
Page 99 of 759
NOTE-
The
vibration
damper
center
bolt
is
very
tight
.
A
heavy
duty
holding
device,
such
as
BMW
special
tool
no
.
112
150,
should
be
used
to
hold
the
vibration
damper
hub
V
stationary
while
the
bolt
is
loosened
.
v
11
.
Usingloosened
bolt
at
vibration
damper,
turn
crank-
shaft
to
TDC
and
lock
in
position
by
inserting
BMW
special
tool
no
.
11
2
300
through
transmission
bell-
-
p
housing
.
See
Fig
.
5
.
v
O
NOTE-
I\
0011966a
"
If
necessary,
remove
plugfrom
locating
boye
in
lower
edge
of
bell
housing
.
"
Confirm
that
locatng
tool
has
been
correctlyinstalled
by
trying
to
rotate
the
crankshaft
.
Fig
.
7
.
Lower
timing
chain
cover
mounting
bolts
(arrows)
.
Bolts
A
Fig
.
5
.
BMW
special
tool
no
.
11
2300
installed
through
bellhousing
are
installed
through
hollow
locating
dowels
.
and
finto
flywheel
to
lock
crankshaft
at
TDC
(arrow)
.
CA
UTION-
Thecamshafts
mustbe
locked
in
the
MC
position
using
the
specialservice
tool
before
removing
the
timing
chain
.
The
tool
holds
the
camshafts
parallel
to
each
other
and
perpendicular
to
the
valve
cover
gasket
surface
.
12
.
Lockcamshafts
at
TDC
bymounting
BMW
special
tool
no
.
113
240
over
square
ends
of
camshafts
.
See
Fig
.
6
.
"
Check
that
tool
is
squarely
seated
on
cylinder
head
gasket
surface
.
If
necessary,
rotate
camshafts
slightly
using
an
open-end
wrench
at
hexon
camshafts
.
13
.
Remove
lower
timing
chaincover
mounting
bolts
and
carefully
lift
cover
off
.
Clean
sealing
surfaces
and
gas-
ket
grooves
.
See
Fig
.
7
.
14
.
Remove
hydraulic
chaintensioner
from
right
side
of
cyl-
inder
head
.
See
Fig
.
8
.
CAMSHAFT
TIMING
CHAIN
117-
3
Fig
.
6
.
BMW
special
tool
no
.
11
3240
installed
on
rearof
camshafts
to
position
camshafts
at
TDC
.
(M44
camshafts
shown
.
Other
engines
are
similar
.
Fig
.
8
.
Hydraulic
chain
tensionerplug
(arrow)
.
CAMSHAFT
TIMING
CHAIN,
4-CYLINDER