Air BMW 328i 1995 E36 Owner's Manual

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
.
.....
..
...
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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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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020-15

MAINTENANCE
PROGRAM



020-1

UNDER-CAR
MAINTENANCE
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.020-16
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Fuel
filter,
replacing
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.020-16

Tires,
checking
inflation
pressure
.
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020-17

Tires,
rotating
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020-17

Wheels,
aligning
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'020-17

Brake
system,
inspecting
.
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020-17

Brake
pad/rotor
wear,checking
.
......
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....
020-17

Brake
fluid,
replacing
.........
..
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.
020-17

Parking
brake,
checking
......
.
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020-17

Exhaust
system,
inspecting
....
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.020-18

Manual
Transmission
Senrice
..
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020-18

Manual
transmission
fluida

checking
and
filling
..
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020-18

AutomaticTransmission
Service
.
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020-18

Front
suspension
and
steeringlinkages,
inspecting
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.020-18

Rear
suspension,
inspecting
.
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020-18

Final
drive
oil
leve¡,
checking
.
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020-18

Fuel
tank
and
fuel
lines,
inspecting
.
.....
....
020-19

Clutch
fluid,
checking
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.....
020-19

Drive
axle
joint
boots,
inspecting
...
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020-19

BODY
AND
INTERIOR

MAINTENANCE
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.020-19
Windshield
Wiper
Blade
Maintenance
....
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020-19

Body
and
hinges,
lubricating
.
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020-19

Seat
Belts
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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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...........
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020-8

020-2



MAINTENANCE
PROGRAM

GENERAL

The
information
given
in
this
repair
group
includes
the
routine

checks
and
maintenance
steps
that
are
both
required
by
BMW

under
the
terms
of
the
vehicle
warranty
protection
and
recom-

mended
by
BMW
to
ensure
long
and
reliable
vehicle
operation
.

GENERAL

NOTE-

Aside
from
keeping
yourcar
in
the
bestpossible
condi-
tion,
proper
maintenance
plays
a
role
in
maintaining
full
protection
under
BMWs
new-car
warranty
coverage
.
If
in
doubtabout
the
terms
and
conditions
of
yourcark
warranty,
an
authorized
BMW
dealer
should
be
able
to
explain
them
.

NOTE-

BMW
is
constantly
updating
their
recommended
main-
tenance
procedures
and
requirements
.
The
informa-
tion
contained
here
is
as
accurate
as
possible
at
the
time
of
publication
.
If
hhere
is
any
doubt
aboutwhat
pro-
cedures
apply
to
a
specific
model
or
model
year,
or
what
intervals
should
be
followed,
remember
that
an
authorized
BMW
dealer
has
the
latest
information
on
factory-recommended
maintenance
.

BMW
Service
Indicator

The
BMW
Service
Indicator
notifies
the
driver
when
mainte-
nance
is
required
.
The
service
indicator
consístsof
multiple
light
emitting
diodes
(lEDs)-typically
five
green,
one
yellow,
andone
red-as
well
as
OIL
SERVICE
and
INSPECTION
indi-
cators
.

When
the
ignition
is
tumed
on,the
green
LEDs
come
on
.
They
go
out
when
the
engine
is
started
.
After
the
Service
Indi-
cator
is
reset,
al¡
green
LEDs
will
be
illuminatedwith
the
keyon
.
As
thecar
is
driven
in
normal
use,
fewer
and
fewer
green
LEDs
will
be
illuminated
before
start-up,indicating
that
the
next
main-
tenance
interval
is
approaching
.

When
thecar
has
accumulated
sufficient
use
to
require
the
next
maintenance
interval,
the
yellow
LED
will
come
on
along
with
either
the
OIL
SERVICE
indicator
or
the
INSPECTION
in-
dicator
.
These
LEDs
will
stay
on
after
the
engine
is
started
.
If
maintenance
service
is
delayed,
thered
LED
will
also
illuminate
as
a
reminder
that
maintenance
service
is
overdue
.

An
OIL
SERVICE
interval
will
alwaysbe
followed
by
an
IN-
SPECTION
interval,
which
will
then
be
followed
byan
OIL
SER-VICE
interval,
andsoon
.
See
Fig
.
1
.

'
80
100/

60
II

"
1

,



ló
1
,
4
`20
140s



#
X120
100
leo
A
O
,



80



km/h`F



*101
200
,
,
~60

BMW
has
taken
a
unique
approach
to
establishing
mainte-

nance
intervals
.
BMW's
Service
Indicator
System
computes

maintenance
intervais
based
not
only
on
elapsed
mileage,
but



Fig
.
1
.



Service
indicator
display
in
lower
section
of
speedometer
.
also
on
such
inputs
as
enginespeed,engine
temperature,
number
of
starts,
and
length
oftrips
.
At
the
appropriate
time,
the
system
indicates,
through
lights
in
the
instrument
cluster,
when



Oil
Service

the
next
routine
maintenance
is
due
.

The
Oil
Service
indicator
signals
the
need
for
the
most
basic
levelof
routine
maintenance
.
BMW's
required
oil
service
speci-
fies
changing
the
engine
lubricating
oil
and
the
engine
oil
filter

after
the
engine
has
been
warmed
up
.
BMW-recommended
ad-

ditional
maintenance
for
this
service
is
listed
in
Table
a
.

NOTE-

For
reference,
the
BMW
Oil
Service
requirements
are
approximately
equivalent
to
the
maintenance
that
other
European
manufacturers
specify
at
intervals
with
a
maximum
of
every
7,500
miles
or6
months
.

CAUTION-

Be
sure
to
follow
the
ínstructions
forresetting
the
Oil
Service
indicator
fight
.
The
Inspection
indica-
tor
can
be
accidentally
reset
rendering
its
function
inaccurate
.

Inspection
l
and
Inspection
II

The
Inspection
indicator
signals
the
need
for
more
compre-
hensive
maintenance
and
Inspection
.
There
are
two
sets
of
in-
spection
requirements,
Inspection
I
and
Inspection
ll
.
These
inspections
alternate
throughout
a
car's
maintenance
history
.
If
the
last
Inspection
interval
was
Inspection
I,
the
next
Inspection
interval
(following
an
Oil
Service)
will
be
Inspection
ll,
the
next
after
that
will
be
Inspection
I,
and
so
on
.

Inspection
I
tasks
are
listed
in
Table
b
.
Inspection
II
in-
cludes
most
of
the
tasks
from
Inspection
I
with
additional
In-
spection
11
tasks
.
A
complete
listing
of
Inspection
II
tasks
are
listed
in
Table
c
.

NOTE-



Aftermarket
reset
tools
can
be
purchased
from
one
of
the
fol-
lift
owng
manuacurers
:
For
referente,
the
BMW
Inspection
1
and
Inspection
11
requirements
are
approximately
equivalent
to
the
main-
tenance
requirements
that
other
European
manufac-



Assenmacher
Bo
s
turers
specify
.
Inspection
I
is
normally
due
at
intervals



lder,
CO
80301

Specialty
Tools

with
a
maximum
of
15,000
miles
or
12
months
.
lnspec-



(303)
530-2424

tion
11
is
normally
due
at
intervals
with
a
maximum
of
30,000
miles
or
24
months
.



Peake
Research,Automotive
Products
Division
P
.O
.
Box
28776

San
Jose,
CA
95159

Resetting
Service
Indicator



(408)
369-0406

When
the
specified
maintenance
has
been
carried
out,
the
service
indicator
memory
should
be
reset
.



MAINTENANCE
TABLES

The
senrice
indicator
is
reset
using
a
special
tool
.
The
tool
is
plugged
into
the
diagnostic
connector
in
the
engine
compart-

ment
.
See
Fig
.
2
.

iii

Fig
.
2
.



Service
indicator
reset
tool
installed
in
diagnostic
connector
(aftermarket
tool
shown)
.

CAUTION-

Follow
themanufacturer's
directions
when
reset-
ting
the
service
Indicator
.
If
the
reset
procedures

are
done
incorrectly,
the
reset
tool
or
the
electron-
ic
service
indicator
may
be
damaged
.

MAINTENANCE
PROGRAM
020-
3

Table
a,b,c,
and
don
the
following
pages
list
the
routine
maintenance
tasks
specified
by
BMW
.
The
intervals
for
most
of
thesetasks
are
determined
by
the
Service
Indicator
.
The
main-

tenance
intervals
for
afew
additional
items
are
based
on
either
elapsedmileage
ortime
.
These
intervals
are
indicated
in
sepa-
rate
tables
.

Except
where
noted,
the
maintenance
items
listed
apply
to
all
models
and
model
years
coveredby
this
manual
.
The
columns

on
the
rightsitie
of
each
table
give
quick-referente
information

about
the
job
.
The
bold
text
references
the
repair
groups
where

additional
repair
information
can
befound
.

MAINTENANCE
TABLES

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

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

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

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
"
r
NM
I
«)

al



aN



-
11



>

O
Ó



I
Ó



I`
Ó

d
Ny
.
0



°
_



VÑ



Ñ



Ñ
1
ZG

NN

MAÍNTENANCE
TABLES

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
.

Air
filter,
replacing



Spark
plugs,
replacing

The
specified
maintenance
intervals
for
the
air
filter
are



To
access
the
spark
plugs
on
4-cylinder
engines,
remove
the

based
on
normal
use
.
If
thecar
is
operated
primarily
in
dusty



cover
fromatop
the
sparkplugs
.
See
Fig
.
10
.
Using
the
special

conditions,
the
air
filter
should
be
serviced
more
frequently
.



spark
plug
wire
removal
tool
(attached
to
rear
of
cylinder
head

beneath
engine
cover),
gently
pull
the
spark
plugwire
from
the

To
replace
the
air
filter
on
6-cylinder
engines,
unclip
and
sude



spark
plug
.
See
Fig
.
11
.
Blow
away
any
dirt
from
around
the
the
filter
cartridge
assembly
out
of
the
air
boxand
remove
the



base
of
the
plug
to
prevent
it
from
entering
theengine
.
Remove

filter
from
the
frame
assembly
.
See
Fig
.
8
.



and
install
the
spark
plugs
one
at
a
time
.

0012625

Fig
.
8
.



To
remove
air
filter
cartridge
on
6-cylinder
engines,release
fil-
ter
cartridge
at
sides
(arrows)
and
then
remove
filter
element
insert
from
cartridge
.

To
replace
the
air
filter
elementon
4-cylinder
engines,
sepa-

rate
the
upper
air
filter
housing
section
from
the
lower
section
by

unfastening
the
spring
clips
.
Remove
the
air
filter
element
from

the
air
filter
housing
.
See
Fig
.
9
.
Wipe
the
inside
of
the
air
filter

housing
clean
and
install
the
new
element
.
Reinstall
the
upper

air
filter
housing,
making
sure
that
the
two
halves
are
mated

correctly
.
Refasten
the
spring-clips
.

Fig
.
9
.



Air
filter
element
being
removed
on
4-cylinder
engine
.

MAINTENANCE
PROGRAM



020-
11

NOTE-

Spark
plug
applications
are
often
updated
and
super-
seded
from
the
original
plug
specification
.
Consuff
an
authorized
BMW
parts
department
for
the
latest
parts
_'
information
.
The
sparkplug
fisted
in
the
owners
manu-
al
may
not
be
the
latest
recommend
spark
plug,
espgp
cially
on
older
cars
.

0012631

Fig
.
10
.
To
remove
engine
cover
above
sparkpiugs
on
4-cylinder
en-
gine,
turnretainers
90°
counterclockwise
and
lift
cover
off
.

0012630

Fig
.
11
.
To
remove
spark
plugwirefrom
spark
plug
on
4-cylinder
en-

gine,
sude
special
removal
tool
over
spark
plug
wire
end
(ar-

row)
and
pull
straightoff
.
Usea
screwdriver
for
added

leverage
.
Special
tool
is
stored
at
rear
of
cylinder
head
below

top
cover
.

ENGINE
COMPARTMENT
MAINTENANCE

Tires,
checking
inflation
pressure



Brake
pad/rotor
wear,
checking

Correct
tire
pressuresare
important
to
handling
and
stability,



Al¡
E36
cars
are
fitted
withdisc
brakes
at
al¡
four
wheels
.
See
fuel
economy,
and
tire
wear
.
Tire
pressures
change
with
temper-



Fig
.
24
.
Although
thebrakesare
equipped
with
a
brake
pad
ature
.
Pressures
should
be
checked
often
during
seasonal
tem-



warning
system,
the
system
only
monitors
one
wheel
per
axle
.
perature
changes
.
Correct
inflation
pressures
canbe
found
on



It
is
recommended
that
pad
thickness
should
be
checked
the
driver's
door
pillar
and
in
the
owner's
manual
.
Note
that
tire



whenever
the
wheels
are
off
or
brakework
is
beggg
done
.
pressuresshould
be
higher
when
thecar
is
more
heavily
loaded
.

WARNING
-

Do
not
inflate
any
tire
to
a
higher
pressure
than
the
tiress
maximum
ínflation
pressure
listed
on
the
side-
wall
.
Use
cara
when
addlng
air
to
warm
tires
.
Warm
tire
pressures
can
increase
as
much
as4
psi
(0.3
bar)
over
their
cold
pressures
.

Tires,
rotating

BMW
does
not
recommend
tire
rotation
.
Due
to
the
cars
sus-
pension
design,
the
fronttires
begin
to
wear
first
at
the
outer

shoulder
and
the
rear
tires
begin
to
wear
first
at
themiddle
of

the
tread
or
inner
shoulder
.
Rotating
the
tires
may
adversely
af-

fect
roadhandling
and
tire
grip
.

NOTE-

The
main
purpose
of
tire
rotation
isto
promote
even
wear
and
maximum
tire
life
.
Tire
life
may
be
decreased
slightly
if
the
tires
are
not
rotated
.

Wheels,
aligning

Routine
maintenance
of
the
brake
system
includes
maintain-

ing
the
brake
fluid
in
the
reservoir,
checking
brakepads
for

wear,
checking
hand
brake
functíon,
and
inspecting
the
system

for
fluid
leaks
or
other
damage
.

Check
that
brake
hoses
are
correctly
routed
to
avoidchafing

or
kinkíng
.
Inspect
unions
and
brake
calipers
for
signs
of
fluid

leaks
.
Inspect
rigid
fines
for
corrosion,
dents,
or
other
damage
.

Inspect
flexible
hoses
for
cracking
.
Replace
faulty
hoses
or
lines
as
described
in
340Brakes
.

WARNING
-

Incorrect
installation
or
overtightening
hoses,
fines,

and
unions
may
cause
chafing
or
leakage
.
This
can
lead
to
partíal
or
completebrake
system
failure
.

MAINTENANCE
PROGRAM



020-
1
7

B323

Fig
.
24
.
Disc
brake
pad
wear
can
checked
through
opening
in
caliper
.

The
brake
caliper
should
be
unbolted
from
the
suspension

strut
to
properly
inspect
the
brake
pads
and
the
rotors
.
See
Fig
.

25
.
Brake
caliper
removal
and
installation
procedures
are
given
in
340
Brakes
.
BMW
recommends
checking
the
front
and
rear
alignment

once
a
year
and
whenever
new
tires
are
installed
.
See320

Steering
and
Wheel
Alignment
for
a
more
detailed
discus-

sion
of
alignment
requirements
and
specifications
.

Brake
Pad
Lining
Minimum
Thickness

(Dimension
A)

Brake
system,
inspecting



"
Front
and
reardisc
brake
pads
....
3
.0
mm
(0
.12
in)

Brake
fluid,
replacing

BMW
strictly
recommends
replacing
the
brake
fluid
every
two
years
.
This
will
help
protect
against
corrosion
and
the
ef-

fects
of
moisture
in
the
(luid
.
See340
Brakes
for
brake
fluid

flushing
procedures
.

Parking
brake,
checking

The
parking
brakesystem
is
independent
of
the
main
braking

system
and
may
requireperiodic
adjustment
dependingon
use
.
Adjust
the
parking
brake
if
the
brake
lever
can
be
pulled
up

more
than
8
clicks
.
Check
that
the
cable
moves
freely
.
A
de-

scription
of
the
parking
brake
and
parking
brake
adjustment

can
be
found
in
340Brakes
.

UNDER-CARMAINTENANCE