steering BMW 325i 1997 E36 Workshop Manual
[x] Cancel search | Manufacturer: BMW, Model Year: 1997, Model line: 325i, Model: BMW 325i 1997 E36Pages: 759
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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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 10 of 759
010-2
FUNDAMENTALS
FOR
THE
DO-ITYOURSELF
OWNER
HOW
TO
USE
THIS
MANUAL
A
note
contains
helpfulinformation,
tipsthat
will
hefp
in
The
manual
is
divided
into
ninesections
:
doinga
better
job
and
completing
!t
more
easíly
.
0
GENERAL
DATA
AND
MAINTENANCE
1
ENGINE
2
TRANSMISSION
3
SUSPENSION,
STEERING
AND
BRAKES
4
BODY
5
BODY
EQUIPMENT
6
ELECTRICAL
SYSTEM
7
EQUIPMENTANDACCESSORIES
ELECTRICAL
WIRING
DIAGRAMS
0
GENERAL
DATA
AND
MAINTENANCE
coversthe
rec-
ommended
maintenance
schedules
and
service
procedures
needed
to
perform
BMW
scheduled
maintenance
work
.
Also
within
this
section
is
the
010
Fundamentals
for
the
Do-It-
Yourself
Owner
section,
which
contains
basic
instructions,
tips
and
helpful
hints
for
do-it-yourself
maintenance
and
repair
.
The
next
seven
sections
(1
through
7)
are
repair
based
and
are
further
broken
down
into
three
digit
repair
groups
.
Each
ma-
jor
section
begins
with
a
General
repair
group,
e
.g
.
100En-
gine-General
.
These
"00"
(doublezero)
groups
aremostly
descriptive
in
nature,
covering
topics
suchas
theory
of
opera-
tion
and
troubleshooting
.
The
remainder
of
the
repair
groups
contain
the
more
involved
repair
information
.
The
last
major
section
contains
detailed
electrical
wiring
diagram
schematics
.
A
master
listing
of
the
9major
sections
and
the
correspond-
ing
individual
repair
groups
can
befoundon
the
inside
front
cover
.
Each
repair
group
begins
with
a
Table
of
Contents
listing
the
majos
subject
headings
within
the
group
.
Page
numbers
throughout
the
manual
are
organizedaccording
to
the
repair
groupsystem
.
For
example,
youcan
expect
tofind
repair
infor-
mation
on
brakes
(Repair
Group
340)
beginning
on
page
340-
1
.
A
comprehensive
index
can
be
found
at
the
back
of
the
man-
ual
.
Warnings,
Cautions
and
Notes
Throughout
this
manualare
many
passages
with
the
head-
ings
WARNING,
CAUTION,
or
NOTE
.
These
very
important
headings
have
diflerent
meanings
.
WARNING
-
The
text
under
this
heading
warns
of
unsafe
practic-
es
thatare
very
likelyto
cause
ínjury,
eitherby
dírect
threat
to
the
person(s)
pertorming
the
work
or
by
in-
creased
risk
of
accident
or
mechanfcal
fallure
whíle
driving
.
CAUTION-
A
caution
calls
attention
to
important
precautions
to
beobserved
during
the
repair
work
that
will
helo
prevent
accidentally
damaging
the
caror
its
parts
.
GETTING
STARTED
Safety
NOTE-
Please
read
every
WARNING,
CAUTION,
and
NOTE
at
the
front
of
the
manual
and
as
they
appear
in
repair
procedures
.
They
are
very
important
.
Read
them
before
you
begin
any
maintenance
or
repair
job
.
Some
WARNINGs
and
CAUTIONs
are
repeated
wherever
they
apply
.
Read
them
all
.
Do
not
skip
any
.
These
messages
are
important,
even
to
the
owner
who
never
intends
to
workon
thecar
.
GETTING
STARTED
Most
of
the
necessary
maintenance
and
minor
repair
that
an
automobile
will
need
canbe
done
with
ordinary
tools,
evenby
owners
with
little
or
no
experience
in
car
repair
.
Below
is
some
important
information
on
how
to
work
safely,
a
discussion
of
what
tools
will
be
needed
and
how
to
use
them
.
Although
an
automobile
presents
many
hazards,
common
sense
and
good
equipment
can
helo
ensure
safety
.
Many
acci-
dents
happen
because
of
carelessness
.
Pay
attention
and
stick
to
these
few
important
safety
rules
.
WARNING
-
"
Never
run
the
engine
in
the
work
area
unless
it
is
well-ventflated
.
Theexhaustshouldbe
vented
to
the
outside
.
Carbon
monoxide
(CO)
in
theex-
haust
kilts
.
"
Remove
all
neckties,
scarts,
loose
clothing,
or
jewelry
when
working
near
running
engines
or
power
tools
.
Tuck
in
shirts
.
Tie
long
haír
and
se-
cure
it
under
a
cap
.
Severe
injury
can
result
from
these
things
beíngcaught
in
rotating
parts
.
"
Remove
ríngs,
watches,
and
bracelets
.
Asíde
from
the
dangersof
moving
parts,
metallic
jew-
elry
conducts
electricity
and
may
cause
shorts,
sparks,
bums,
or
damage
to
the
electrical
sys-
tem
when
accidentally
contacting
the
battery
or
other
electrical
terminals
.
"
Disconnect
the
battery
negative
()
cable
when-
ever
working
on
ornear
the
fuel
system
or
any-
thlng
that
is
electrically
powered
.
Accidental
electrícal
contact
may
damage
the
electrical
system
or
cause
a
fire
.
Page 23 of 759
020
Maintenance
Program
GENERAL
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020-2
BMW
Service
Indicator
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020-2
Oil
Service
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020-2
Inspection
I
and
Inspection
II
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020-2
Resetting
Service
Indicator
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020-3
MAINTENANCE
TABLES
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020-3
FLUID
AND
LUBRICANT
SPECIFICATIONS
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020-8
Manual
Transmission
Fluid
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020-8
Automatic
Transmission
Fluid
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020-8
Final
Drive
Gear
Oil
................
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020-9
Brake
Fluid
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020-9
Engine
Coolant
(Anti-freeze)
.
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020-9
Power
Steering
Fluid
........
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020-9
ENGINE
OIL
SERVICE
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020-9
Engine
oil,
checking
leve¡
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020-9
Engine
oil
and
filter,
changing
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020-9
ENGINE
COMPARTMENT
MAINTENANCE
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020-10
Air
filter,
replacing
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020-11
Spark
plugs,
replacing
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020-11
¡dle
Speed
.
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020-12
Battery,
checking
and
cleaning
.......
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020-12
Battery,
replacing
.
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020-12
Accelerator
and
Throttle
Linkage
.
.....
..
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020-13
Engine
DriveBelts
.....
.
....
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...
.
020-13
V-belt,
replacing
(4-cylinder
engines
built
up
to
1/94)
..
....
.
020-13
Poly-ribbed
belt,
replacing
(4-cylinder
engines
built
from
1194
and
all
6-cylinder
engines)
.
.
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..
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020-13
Cooling
System
Service
.
...
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..
020-14
Power
steering
fluid,
checking
leve¡
.
..
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.
.
020-14
Oxygen
Sensors
....
...
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.
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020-15
MAINTENANCE
PROGRAM
020-1
UNDER-CAR
MAINTENANCE
.
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.020-16
'
Fuel
filter,
replacing
...
.
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.020-16
Tires,
checking
inflation
pressure
.
.....
.
....
020-17
Tires,
rotating
...
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.
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020-17
Wheels,
aligning
..
.....
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'020-17
Brake
system,
inspecting
.
.
....
.
.....
..
...
020-17
Brake
pad/rotor
wear,checking
.
......
.
....
020-17
Brake
fluid,
replacing
.........
..
.
..
..
.
020-17
Parking
brake,
checking
......
.
.....
..
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020-17
Exhaust
system,
inspecting
....
..
.....
.
...
.020-18
Manual
Transmission
Senrice
..
..
.....
.
....
020-18
Manual
transmission
fluida
checking
and
filling
..
.
....
..
.
.
..
..
....
020-18
AutomaticTransmission
Service
.
....
...
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020-18
Front
suspension
and
steeringlinkages,
inspecting
..
.
:.....
.
....
..
.....
..
...
.
.020-18
Rear
suspension,
inspecting
.
..
...
...
....
..
020-18
Final
drive
oil
leve¡,
checking
.
.
.
...
....
...
..
020-18
Fuel
tank
and
fuel
lines,
inspecting
.
.....
....
020-19
Clutch
fluid,
checking
...
...
...
...
....
.....
020-19
Drive
axle
joint
boots,
inspecting
...
..
.....
..
020-19
BODY
AND
INTERIOR
MAINTENANCE
.
.
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.020-19
Windshield
Wiper
Blade
Maintenance
....
.
.
020-19
Body
and
hinges,
lubricating
.
.....
..
......
.
020-19
Seat
Belts
...
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.
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020-20
Exterior
Washing
..
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.020-20
Waxing
.....
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020-20
Polishing
..
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.'020-20
Washing
Chassis
.
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020-20
Special
Cleaning
.
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.020-20
Interior
Care
.
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020-20
Leather
Upholstery
and
Trim
...
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020-20
TABLES
a
.
Oil
Service
......
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020-4
b
.
Inspection
1
Service
..
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020-5
c
.
Inspection
11
Service
.
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020-6
d
.
Scheduled
Maintenance-Time/Mileage
Intervals
..
020-7
e
.
Fluids
and
Lubricants
..
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020-8
Page 26 of 759
020-
4
MAINTENANCE
PROGRAM
L
~
~
c
.c
a
a>
mL
~
~L
L
w
a
£
'S
d
E
Maintenance
ítem
z
3
c
Engine
compartment
maintenance
Change
oil
and
oil
filter
Check
fluid
levels
(coolant,steering,
brake/clutch,
ATF)
Under
car
maintenance
Check
steeringrack
and
steeringlinkages
for
leaks
andexcess
play
.
Repair
Group
320
Inspect
brake
system
.
Check
brake
calipers,
rotors,
and
brake
pad
thíckness
.
Inspect
for
dam-
aged
hoses
and
lines,
leaks
or
damage
.
Check
hand
brake,adjust
cable
if
necessary
.
Repair
Group
340
Check
and
adjust
tire
pressures,
including
spare
Body
and
interior
maintenance
Check
operation
of
exterior
and
interior
lights,
including
glove
box
light,
engine
compartment
light,
trunk
light,
instrument
panel
lights,
horns,
headlight
flasher
anddimmer
switch
.
Check
headlight
and
driving
light
aiming
.
6
Electrical
System
Check
function/condition
of
seat
belts
.
Repair
Group
720
Check
windshield
washer
fluid
level
and
concentration,
add
as
necessary
.
Check
operation
of
washer
system
.
Check
condition
of
wiper
blades
.
Repair
Group
611
Road
Test
Check
braking
performance,
steering,
heating
and
ventilation,
manual
or
automatic
transmis-
sion,
and
mirrors
Service
Interval
Reset
Reset
service
indicator
using
specialreset
tool
.
MAINTENANCE
TABLES
Table
a
.
Oil
Service
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 29 of 759
d
a
d
_
L
G>
G1
a
N
.
G1
Ñ
N
N
O
.
r
d
Maintenance
ítem
°
~
Z
~
i
I
D
i
Body
and
Interior
Maintenance
(cont
.)
Replace
ventilation/A/C
micro-filter
.
Check
function
of
air
conditioning
.
Repair
Group
640
Check
function
of
seat
belts
.
Repair
Group
720
Check
windshield
washer
fluid
level
and
concentration,
add
asnecessary
.
Check
operation
of
washer
system
.
Check
condition
of
wiperblades
Repair
Group
611
Tighten
nuts
and
belts
for
door
locks
and
striker
plates
.
Replace
batteries
for
alarm/remote
control
in
masterkey
(where
applicable)
.
Check
ground
connection
(mounting
screws)
of
SRS
(airbag)
front
sensor
to
body,
if
applicable
.
Repair
Group
721
Road
Test
Check
braking
performance,
steering,
HVAC,
manual
or
automatic
transmission,
and
mirrors
Service
Interval
Reset
Reset
service
indicator
using
specialreset
tool
.
Maintenance
ítem
Replace
oxygen
sensor
.
Repair
Group
180
1992-1994
1995-
on
Flush
and
replace
brake
fluid/clutch
fluid
.
Repair
Group
340
Drain
and
flush
cooling
system
and
replace
coolant
.
Repair
Group
170
1992-19961997-1998
Anti-corrosion
warranty
inspection
.
Tablec
.
Inspection
II
Service
(continued)
Cabled
.
Scheduled
Maintenance-Time/Mileage
Intervais
MAINTENANCE
PROGRAM
020-7
e
~
e
e
i
:
l=
N
l
"
NM
I
«)
al
aN
-
11
>
O
Ó
I
Ó
I`
Ó
d
Ny
.
0
°
_
VÑ
Ñ
Ñ
1
ZG
NN
MAÍNTENANCE
TABLES
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 31 of 759
Final
Drive
Gear
Oil
BMW
recommends
using
only
a
specially
formulatedsyn-
thetic
gear
oil
that
is
available
through
an
authorized
BMW
dealer
parts
department
.
For
additional
information
on
this
¡u-
bricant
andany
other
lubricants
that
may
be
compatible,
con-
tact
an
authorized
BMW
dealer
senrice
department
.
See
331
Final
Drive
.
Brake
Fluid
Brake
fluid
absorbs
moisture
easily,
and
moisture
in
the
fluid
affects
brake
performance
and
reliability
.
This
is
why
brake
fluid
should
be
flushed
from
the
system
every
two
years
.
When
re-
placing
or
adding
brake
fluid,
use
only
new
(luid
from
previously
unopened
containers
.
Do
not
use
brake
fluid
that
has
been
bled
from
the
system,
even
ifit
is
brand
new
.
Use
only
DOT
4
brake
fluid
.
See340
Brakes
for
more
information
.
Engine
Coolant
(Anti-freeze)
BMW
recommends
coolant
that
is
a
50/50
mixture
of
distilled
water
and
phosphate/nítrate
freeanti-freeze
containing
ethyl-
ene
glycol
.
Anti-freezeraises
the
boiling
point
and
lowersthe
freezingpoint
of
the
coolant
.
It
alsocontains
additives
that
help
prevent
cooling
system
corrosion
.
Power
Steering
Fluid
The
power
steering
fluid
is
Dexron
II]®
ATF,
or
equivalent
.
The
system
is
permanently
filled
and
does
not
have
a
drain
.
Routinely
adding
ATF
is
not
required
unlessthe
system
is
leak-
i
n
g,
WARNING
-
Be
sure
to
check
the
fluid
specifications
on
the
pow-
er
steering
reservoir
to
confirm
the
fluid
type
in-
stalled
in
the
system
.
In
some
instances,
the
power
steering
system
may
be
filled
with
an
alternative
hy-
draulic
fluid
designated
CHF
7
.1
.
MAINTENANCE
PROGRAM
020-
ENGINE
OIL
SERVICE
Engine
oil
and
fiiter,
changing
Fig
.
3
.
Engine
oil
level
dipsticklocation
on
4-cylinder
engine
(arrow)
.
Dipsfck
is
marked
with
mínimum
and
maximum
level
marks
.
Fig
.
4
.
Oil
filler
cap
(arrow)
.
6-cylinder
engine
shown
.
0012202
Engine
oii,
checking
leve¡
A
complete
oil
change
requires
new
oil
(see
Table
e),
a
new
oil
filter
insert
kit,
and
a
new
drain
plug
sealing
washer
.
The
The
engine
oil
leve]
is
checked
with
a
dipstick
in
the
engine
tools
needed,
a
drain
plug
socket
or
box
wrench
(17
mm
or19
block
.
Check
the
oii
leve¡
with
the
canon
a
level
surface,
after
mm)
and
a
drain
pan
(8-10
US
qt
.
capacity),
are
described
in
the
engine
has
been
stopped
for
atleast
a
few
minutes
.
Check
010
Fundamentals
for
the
Do-It-Yourself
Owner
.
the
leve¡
by
pulling
outthe
dipstick
and
wiping
it
clean
.
Reinsert
it
all
the
way
and
withdraw
it
again
.
The
oil
leve¡
is
correct
if
it
is
NOTE-
between
the
two
marks
near
the
end
of
the
stick
.
See
Fig
.
3
.
If
using
a
"fast-lube"
service
facility
for
oil
changes,
make
sure
the
technician
hand-starts
and
torques
the
Add
oil
through
the
filler
cap
on
thetop
of
the
cylinder
head
.
engine
oil
drain
plug
using
hand-tools
.
Power
tools
can
See
Fig
.
4
.
Add
only
the
amount
needed
to
bring
the
oil
leve¡to
strip
the
threads
of
the
plug
and
the
oil
pan
.
the
MAX
mark
on
the
dipstick,
using
an
oil
of
the
correctviscos-
ity
andgrade
.
Too
much
oil
canbe
just
as
harmful
as
too
little
.
ENGINE
OIL
SERVICE
Page 35 of 759
Accelerator
and
Throttle
Linkage
The
accelerator
and
throttie
linkage
should
be
lubricated
pe-
riodically
.
Use
a
general
purpose
oil
on
the
joints
and
bearings
of
the
linkage
.
Use
a
multipurpose
grease
on
the
bearing
points
of
the
throttie
plate
.
Engine
Drive
Belts
Drive
belts
and
pulleys
transfer
power
from
theengine
crank-
shaft
to
various
accessories
.
See
Fig
.
13
.
Depending
on
model
and
model
year,
engine
driven
accessories
are
driven
by
V-
belts,
poly-ribbed
(serpentine)
belts,
or
a
combination
of
the
two
.
For
example,
early
4-cylinder
engines,
usetwo
V-belts
and
one
poly-ribbed
belt
.
Inspect
drivebelts
with
the
engine
off
.
lf
the
belt
shows
signs
of
wear,
cracking,
glazing,
or
missing
sections,
it
should
be
re-
placed
immediately
.
V
belt,
replacing
(4-cylinder
engines
built
up
to
1194)
0012472
Fig
.
13
.
Drive
belt
and
tensioner
assembly
for
late
4-cylinder
engine
wíth
poly-ribbed
drive
belt
.
V-belts
should
be
inspected
during
regular
maintenance
in-
tervais
.
Incorrect
tension
can
decrease
the
life
of
the
belt
and
the
component
it
drives
.
The
V-belt
tension
is
adjusted
through
a
toothed-rack
mechanism
.
Inspect
belts
with
the
engine
off
.
Twist
the
beltto
inspect
its
sidewalls
and
bottom
.
Beltstructural
damage,
glazed
or
shiny
sidewaljs
caused
by
a
loose
belt,
orseparation
are
al¡
reasons
to
replace
a
belt
.
Replacement
of
the
V-belts
every
four
years
is
recommend-
ed
.
Loosen
the
mounting
bolts
and
adjust
the
belt-driven
unit
until
the
belt
tension
is
as
loose
aspossible
.
Remove
the
belt
by
slipping
it
over
the
pulleys
.
In
some
cases
it
may
be
necessary
to
removeone
V-belt
to
get
to
another
.
Use
a
torque
wrench
and
a
crowfoot
wrench
to
turn
the
tensioning
gear
bolt
and
set
belt
tension
.
Hold
the
wrench
steady
and
tighten
the
locknut
on
the
rear
of
the
tensioning
gear
bolt
.
Tighten
al¡
other
mounting
nuts
.
MAINTENANCE
PROGRAM
020-
1
3
NOTE-
"
For
the
most
accurate
check,
V-belt
tension
should
be
checked
using
a
V-belt
tension
gauge
.
"
Belt
squealing
is
normally
caused
by
loose
beltten-sion
.
Belt
dressings
should
not
be
used
.
Tightening
Torques
"
Tensioning
gear
(alternator
belt
tensioning)
.
.
.
...............
7
Nm
(62
in-lb)
"
Tensioning
gear(power
steering
belt
tensioning)
...
..
...
8
to
8
.5
Nm
(71
to
75
in-lb)
"
Tensioning
gear
locking
nut
.......
24
Nm
(18
ft-Ib)
NOTE-
When
belts
are
replaced
with
new
ones,
store
the
old
set
in
the
luggage
compartment
for
emergency
use
.
When
installing
a
new
belt,
gently
pry
it
over
the
pulleys
.
Too
much
force
may
damage
the
belt
or
the
accessory
.
Tension
the
belt(s),
runthe
engine
for
a
few
minutes
(at
least
1500
rpm),
then
recheck
the
belt
tension
.
CAUTION-
Do
not
over
tighten
the
V-belts
.
Overtightening
will
cause
shaft
bearings
to
fail
prematurely
.
Poly-ribbed
belt,
replacing
(4-cylinder
engines
buiit
from
1194
and
all
6-cylinder
engines)
An
automatic
belt
tensioner
is
used
to
keep
the
belts
ten-
sioned
properly
.
Unless
the
tensioner
mechanism
malfunc-
tions,
the
poly-ribbed
belts
do
not
require
tension
adjustment
.
To
reduce
the
chance
ofbelt
failure
while
driving,
replace-
ment
of
the
belts
every
four
years
is
recommended
.
Mark
drive
belt
rotationdirectíon
if
removing
and
reusing
an
old
belt
.
To
remove
the
belt,
it
is
necessary
toretract
the
self-tension-
er
.
Using
a
breaker
bar
or
other
long
socket
assembly,
rotate
the
tensioner
to
loosenthe
belt
.
See
Fig
.
14
or
Fig
.
15
.
On
4-cyl-
inder
engines,
it
will
benecessary
to
remove
the
A/C
compres-
sor
belt
to
remove
the
main
drive
belt
.
WARNING
-
Observe
care
when
replacing
the
belt
.
Personal
in-
jury
could
result
if
the
tensioner
springs
back
into
position
uncontrollably
.
With
the
belt
removed
from
the
pulleys,
inspect
the
pulleys
for
wear
or
damage
that
may
cause
early
failureof
the
new
belt
.
This
is
also
a
good
opportunity
to
inspect
the
belt-driven
acces-
sories,
checking
for
bearing
wear
and
excess
play
.
Drive
belt
routing
is
shown
in
Fig
.
16
and
Fig
.
17
.
ENGINE
COMPARTMENT
MAINTENANCE