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General
WARNING-
Never run the engine in tile work area unless it is well-ven-
tilated. The exhaust should be vented to the outside. Car-
bon monoxide (CO) in exhaust kills.
Remove all neckties,
scarfs, loose clothing, or jewelry
when working near a running engine or power tools.
Tuck in shirts. Tie long hair and secure it under a cap.
Severe injury can result from these things being
caugiit
in rotating parts.
Remove rings, watches, and bracelets. Aside from the
dangers of moving parts, metallic jewelry conducts
electricity and may cause shorts, sparks, burns, or
damage to the electricalsystem when accidentally con-
tacting the battery or other electrical terminals.
Disconnect the battery negative
(-) cable whenever
working on or near the fuel system or anything that is
electrically powered. Accidental electrical contact may
damage the electrical system or cause a fire.
Fuelis highly flammable. When working around fuel, do
not
smoke or work near heaters or other fire hazards.
Keep an approved fire extinguisher handy.
The fuel system is designed to retain pressure even
when the ignition is off When worlcing with the
fuelsys-
tem, loosen the fuel lines slowly to allow the residual
pressure to dissipate gradually. Take precautions to
avoid spraying fuel.
. Illuminate the worlc area adequately and safely Use a
portable safety light for worlcing inside or under the car.
A fluorescent type
light is best because it gives off less
heat. If using a light with a normal incandescent bulb,
use rough service bulbs to avoid
breakage. The hot fil-
ament of an accidentally broken bulb can ignite spilled
fuel or oil.
Keep sparks, lighted matches, and any open flame
away from the top of the battery. Hydrogen gas
emitted
by the battery is highly flammable. Any nearby source
of ignition may cause the battery to explode.
Never lay
tools or parts in the engine compartment or
on top of the battery. They may
fallinto confinedspaces
and be difficult to retrieve, become caught in belts or
other rotating parts when the engine is started, or
cause electrical shorts and damage to the electrical
system.
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BMW dealers are uniquely qualified to provide service for
BMW cars. Their authorized relationship with the large BMW
service organization means that they have access to special
tools and equipment, together with the latest and most accu-
rate repair information.
The BMW dealer's service technicians are highly trained and
very capable. Authorized BMW dealers are committed to sup-
porting the BMW product. On the other hand, there are many
independent shops that provide quality repairwork.
Checking
with other BMW owners for recommendations on service fa-
cilities is good way to learn of reputable BMW shops in your
area.
Most maintenance can be accomplished with a small selec-
tion of tools. Tools range in quality from inexpensive junk,
which may break at first use, to very expensive and
well-
made tools for the professional. The best tools for most do-it-
yourself BMW owners lie somewhere in between.
Many reputable tool manufacturers offer good quality, moder-
ately priced tools with a lifetime guarantee. These are your
best buy. They cost a little more, but they are good quality
tools that will do what
Is expected of them. Sears' Craftsman@
line is one such source of good quality tools.
Some of the repairs covered in this manual require the use of
special tools, such as a custom puller or specialized electrical
test equipment. These special tools are called out in the text
and can be purchased through an authorized BMW dealer.
As an alternative, some special tools mentioned may be pur-
chased from the following tool manufacturers and/or distribu-
tors:
Specialty tool suppliers
Assenmacher Specialty Tools
6440 Odeli Place
Boulder. CO 80301
Baum Tools Unlimited, Inc.
P.O. Box 5867
Sarasota.
FL 34277-5867
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General
BMW special tools
Many repairs covered in this manual call for the use of BMW
special tools. Many of the BMW special tools mentioned in
this manual are simply the best thing to use to do the job cor-
rectly. In these cases, the tool is identified with a
BMW parl
number. See your authorized BMW dealer parts department
for information on how to order special tools.
There are some jobs for which expensive special tools are es-
sential, and not a cost-effective purchase for a one time repair
by the do-it-yourself owner. This manual includes such re-
pairs for the benefit of those with the necessary experience
and access to tools. For the do-it-yourselfer, the need for spe-
cial tools is noted in the text, and whether or not BMW dealer
service is recommended.
Changing a tire
- Stop car on as flat a surface as possible, in a place where you
can be easily seen by other drivers. Avoid stopping just over
the crest of a hill.
WARNING -
If a tire goes flat while driving, pull well off the road. Changing
a tire on a busy slreet or liigliway is very dangerous. If
nec-
essag drive a short distance on the flat tire to get to a safe
place. It is much better to ruin a tire or rim than to
risk being
hit.
-
- Turn on emergency flashers, and set out flares or emergency
markers well behind car.
Choclc wheel (wheel chock located
in trunk) diagonally opposite to the one being changed. Pas-
sengers should get out of car and stand well away from road.
- Take jaclc and tools from tool area beneath trunk mat. Re-
move spare tire from tire storage tray.
- Loosen wheel bolts while car is on ground, but leave them a
little snug.
< Place jack in lifting point nearest wheel being changed. Use
a board to provide a firm footing for jack if ground is soft.
Raise car only far enough so that the wheel is fully off ground
and then remove wheel nuts and wheel.
- Install spare wheel. Install wheel nuts and tighten them hand
tight using lug nut wrench.
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01 0-20
General
more information on the Check Engine Light and the on-
board diagnostic system.
Towing
The cars covered by this manual should be towed with a tow
truck using wheel lift or flat bed equipment. Do not tow the car
on all four wheels except
forvery short distances to move it to
a safe place.
CA U JION-
Do not tow with sling-type equipment The front spoilers and
b~m~er covers may sustain damage.
4 To access threaded towing eye socltet, pry open trim on front
or rear bumper.
NOJE-
A towing eye is provided in the luggage compartment tool lcit.
The towing eye can be screwed into the front or rear bumper.
4 Install towing eye into threaded hole.
- Standard transmission: Do not tow with rear wheels on
ground unless absolutely necessary.
- Automatic transmission: Have rear wheels placed on dollies,
or use flat bed truck. Use towing eye for winching vehicle on
flat bed.
CAUTION-
Automatic transmission fluid (ATF) does not circulate when
I the car is towed. Severe transmission damage may result.
NOTE-
Be sure transrnission fluid has been topped off before
starting tow.
Always tow car with transrnission lever in
N (neutral).
. ATF draining and filling is covered in 240 Automatic
Transmission.
Be sure to read the filling and draining pro.
cedure, as special service equipment is required to
checlc
the fluid level.
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020 Maintenance
General ........................... .02 0.2
Special tools ........................ .02 0.2
Service Interval Indicator (Sll) ........... .02 0.3
Service Interval Indicator (Sll), resetting ... .02 0.3
Inspection I, Inspection 11 ............... .02 0.5
Maintenance Tables ................ .02 0.6
Fluid and Lubricant Specifications .. .02 0.9
Fluids and lubricants ................. .02 0.10
Engine Oil Service ................ .02 0.1 I
Engine oil. checking level ............. .02 0.12
Engine oil and filter. changing .......... .02 0-13
Engine Compartment Maintenance . .02 0.14
Accelerator and linkage ............... .02 0.14
Air filter. replacing ................... .02 0.1 4
Cooling system service ............... .02 0.15
Engine drive belt service .............. .02 0.16
Idlespeed .......................... 020-19
Catalytic converter and oxygen sensors .. .02 0.19
Power steering fluid, checking level ..... .02 0.20
Spark plugs ........................ .02 0.20
Spark plugs, replacing ................ .02 0.21
Interior ventilation microfilter, replacing ... .02 0.22
Other Mechanical Maintenance ..... .02 0.22
Battery, checking. cleaning. and replacing .02 0-22
Brake fluid. replacing ................. .02 0-24
Brake pad 1 rotor wear. checking ........ .02 0.24
Brake system, inspecting ............. .02 0.25
Parking brake. checking ............... 020-25
Clutch fluid. checking ................. 020-26
Differential oil level. checking ........... 020-26
Drive axle joint (CV joint) boots. inspecting 020-27
Exhaust system. inspecting ............ 020-27
Fuel filter. replacing .................. 020-27
Fuel tank and fuel lines. inspecting ...... 020-28
Suspension. front. inspecting ........... 020-29
Suspension. rear. inspecting ........... 020-29
Tires. checking inflation pressure ........ 020-29
Tires. rotating ....................... 020-29
Transmission service. automatic ........ 020-29
Transmission service. manual .......... 020-30
Transmission fluid. checking and filling
(manual transmission)
................ 020-30
Wheels. aligning ..................... 020-30
Body and Interior Maintenance ..... 020-31
Body and hinges. lubricating ........... 020-31
Exterior washing ..................... 020-31
Interior care ........................ 020-31
Leather upholstery and trim ............ 020-31
Polishing ........................... 020-32
Seat belts .......................... 020-32
Special cleaning ..................... 020-32
Washing chassis ..................... 020-32
Waxing ............................ 020-32
Windshield wiper blade maintenance ..... 020-33
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020-2
Maintenance
The information given in this repair group includes the routine
checlts and maintenance steps that are both required by
BMW under the terms of the vehicle warranty protection and
recommended by BMW to ensure long and reliable vehicle
operation.
NOTE-
Aside from keeping your car in the best possible condition,
proper maintenance plays a role in maintaining full protection
under
BMW's new car warranty coverage. If in doubt about
the terms and conditions of your car's warranty, an autho-
rized BMW dealer should be able to explain them to you.
Special tools
Some special tools are required for performing engine main-
tenance tasks. Be sure to have the necessary equipment on
hand before starting any job.
4 Hand pump for manual transmission lifetime oil
71 (Tool No. BMW 002 080)
4 Cooling fan counterhold wrench
(Tool No. BMW 11 5 030)
I I 4 Coolina fan wrench
I
4 Service position hood props
(Tool No. BMW 51 2 160)
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Maintenance
Service Interval lndicator (Sll)
The BMW Service Interval lndicator (SII) notifies the driver
when oil change and other service is required. The
Sll dis-
plays the phrase "OIL SERVICE"
or"INSPECTI0N" and 7
light emitting diodes (LEDs) in the Instrumentcluster: 5green,
one yellow and one red.
For the
1997 and later 5 Series, BMW introduced an oil
change interval based on fuel consumption. The advantages
of this system are:
Fuel consumption is an accurate method of determining
engine load and the need for service.
The processing electronics are simple.
Resetting of indicator before the scheduled time will not
affect the time to the next service.
4 The Sll is programmed to measure a set volume of con-
sumed fuel. This volume varies between models, dependent
on vehicle and engine size. The
Sil control unit receives a
signal from the engine control module (ECM) when the vehi-
cle is in use. As
20% of the programmed fuel volume is con-
sumed, one of the green LEDs will go out. Each successive
20% of fuel consumption will cause the next LED to go out
until
100% of the measured volume has been consumed. At
this point the yellow LED will come on, indicating that service
is due. When
108% of the measured volume has been con-
sumed, the red LED will illuminate, indicating that service is
overdue.
Service Interval Indicator (SII), resetting
After the specified maintenance has been carried out, the Sll
memory should be reset.
NOTE-
For reference, the BMW oil service requirements are approx-
imately equivalent to the maintenance tliat other European
manufacturers specify at intervals with a maximum of every
15.000 miles or I2 months.
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020-4
Maintenance
1997 to 2000 models
1997 to 2000 models are equipped with a data link connector
(DLC) plug in the right side engine compartment:
Reset
SII using BMW service and scan tool (DISplus or MoD-
iC, GTI) or a specialty tool from another manufacturer. Plug
tool (arrow) into DLC.
CAUTION-
Follow the manufacturer's directions when resetting the Sll. If
the reset procedures are done
incorrect& the tool or the elec-
tronic Service Interval Indicator
may be damaged.
Aftermarket reset tools that can reset all models with the DLC
can be purchased from one of the following suppliers:
Specialty tool suppliers
Assenmacher Specialty Tools
6440
Odell Place
Boulder, CO 80301
303-530-2424
[email protected] http://www.asttool.com
Baum Tools Unlimited,
Inc.
P.O. Box 5867
Sarasota, FL 34277-5867
800-848-6657
[email protected]
http://www.baumtools.com
Peake Research. Automotive Products Division
P.O. Box 28776
San Jose, CA 95159
408-369-0406
support @peakeresearch.com
http://www.peal~eresearch.com
2001 and later models
On vehicles without the data link connector (DLC) in the en-
gine compartment (2001 and latercars), the reset tool can not
be used. Instead, the
Sll can be reset with the trip odometer
reset button in the instrument cluster.
Make sure ignition key is in OFF position.
* Press and hold trip odometer button in instrument cluster,
and turn ignition key to ACCESSORY position.
Keep
button pressed for approximately 5 seconds until
either of following appear in display: OIL SERVICE or
INSPECTION, with RESET.
Press button again and
hold for approximately 5 seconds
until RESET flashes.