1997 BMW 528i Gas

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General
Many of the maintenance and repair tasks in this manual call
forthe installation of new parts, orthe use of new gaskets and
other materials when reinstalling parts. Most often, the parts
that will be needed should be on hand before beginning the
job. Read the introductorytext and the complete procedure
to
determine which parts will be needed.
NOTE-
For some biggerjobs, partial disassembly and inspection is
required to determine a complete parts list. Read the proce-
dure carefully and, if necessary, male other arrangements to
get the necessary parts while your car is disassembled.
Genuine BMW parts
Genuine BMW replacement parts from an authorized BMW
dealer are designed and manufactured to the same high stan-
dards as the original parts. They will be the correct material.
manufactured to same specifications, and guaranteed to fit
and work as intended. Most genuine BMW parts carry a limit-
ed warranty.
Many independent repair shops make a point of using genu-
ine
BMW parts, even though they may at times be more ex-
pensive than parts from other sources. They know the value
of doing the job right with ihe right parts. Parts from other
sources can be as good as BMW parts, particularly if manu-
factured by one of
BMW's or~ginal equipment suppliers, but it
is often difficult to know.
BMW is constantly updating and improving their cars, often
malting improvements during a given model year. BMW may
recommend a newer, improved part as a replacement, and
your authorized dealer's parts department will know about it
and provide it. The BMW parts organization is best equipped
to deal with your BMW parts needs.
Non returnable parts
Some parts cannot be returned, even for credit. The best ex-
ample is electrical parts, which are almost universally consid-
ered non returnable. Buy electrical parts carefully, and be as
sure as possible that a replacement is needed, especially for
expensive parts such as electronic control units. It may be
wise to let an authorized BMW dealer or other qualified shop
confirm your diagnosis before replacing an expensive non re-
turnable
Dart.

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01 0-1 2
1 General
Information you need to know
Model
When ordering parts it is important that you know the correct
model designation for your car. Models covered in this E39
manual are the
525i,5281,530i, 540i in Sedan and Station
Wagon body styles.
Model year
This is not necessarily the same as date of manufacture or
date of sale.
A 1999 model may have been manufactured in
late 1998, and perhaps not sold until early 2000. It is still a
1999 model. Model years covered by this manual are 1997 to
2002.
Date of manufacture
This information is necessary when ordering replacement
parts or determining if any of the warranty recalls are applica-
ble to your car. The label on the driver's door below the door
latch will specify the month and year that the car was built.
Vehicle
Identification Number (VIN)
This is a combination of letters and numbers that identify the
particular car. The VIN appears on the state registration doc-
ument, and on the car itself. One location is on the right front
strut tower in the engine compartment (arrow), another in the
lower left corner of the windshield.
Engine code
5 Series car covered in this manual are powered by
6 and 8 - cylinderengines. For information on engine codes and en- -. -
gine applications, see 100 Engine-General. -
Transmission code
The transmission type with its identifying code may be
impor- :
tant when buying clutch parts, seals, gaskets, and other .- transmission-related parts. For information on transmission
codes and applications, see 200 Transmission-General.

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General
Cars with discharged or dead batteries can be jump-started
using the good battery from another car. See owner's manual
for proper instruction on jump starting. When jump-starling
the engine, always note the following warnings.
4 Lower car. With all wheels on ground, fully tighten nuts in a
WARNING-
* Battery acid (electrolyte) can cause severe burns, and will
damage the
cal; clothing, and you. If electrolyte is spilled,
wash the surface with large quantities of water.
M itgets into
eyes, flush them with water for several minutes and call a
doctor.
B4
5
43
2 BOOIFNG.
Batteries produce explosive and noxious gasses.
Keeps sparks and flames away. Do not smoke near
batteries.
Do notjump-start the engine
ifyou suspect that the bat-
tery is frozen. Trappedgas may explode. Allow the bat-
tery to thaw first.
Do not quick-charge the battery (for boost starting) for
longer than one minute, and do not exceed
16.5 volts
at the battery with the boosting cables attached. Wait at
least one minute before boosting the battery a second
time.
crisscross pattern.
Torque wheel nuts when installing wheel.
Check inflation pressure of spare tire.
Tightening torque
Wheel to wheel hub 120 Nm (89 ft-ib)
Jump starting
Indicator and warning lights
Many vehicle systems are self-monitored for faults while driv-
ing. Generally,
a red warning lamp that comes on during driv-
ing should be considered serious. If you cannot immediately
determine the seriousness of the warning light, stop the vehi-
cle in a safe place and turn the engine off as soon as possible.
Consult the owner's manual for additional information on the
warning lamp and the recommended action.
If the Malfunction Indicator Lamp (MIL)
(Check Engine or Ser-
vice Engine Soon warning light) comes on orflashes, it indi-
cates that an emissions-related fault has occurred. Faults
such as a bad oxygen sensor or a dead fuel injector can
cause the exhaust or evaporative emissions to exceed a
specified limit. When these limits are exceeded, the MIL will
be turned on. The engine can be safety driven with the light
on, although the emission systems should be
checked as
soon as possible. See OBD On-Board Diagnostics for

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Maintenance
BODY AND INTERIOR MAINTENANCE
Body and hinges, lubricating
Door locksand loclccylinderscan be lubricated with an oil that
contains graphite.
Body and doorhinges, hood latch and doorcheclc rods should
be lubricated with
SAE 30 or SAE 40 engine oil. Lubricate
seat runners with multipurposegrease. Do not apply any oil to
rubber parts.
If door weather-strips are sticking, lubricate
them with silicone spray or talcum powder. The hood release
cable should be lubricated as well.
The use of winter
lock deicer sprays should be lkept to an
absolute minimum, as the alcohol in the deicer will wash the
grease out of the lock assemblies and may cause locks to
corrode internally or to become difficult to operate.
Exterior washing
The longer dirt is left on the paint, the greater the risk of dam-
aging theglossy finish,
eitherby scratching or by thechemical
effect dirt particles may have on the painted surface.
Do not wash the car in direct sunlight. If the engine hood is
warm, allow it to cool. Beads of water not only leave spots
when dried rapidly by the sun or heat from theengine, but also
can act as small magnifying glasses and burn spots into the
finish. Wash the car with a mixture of lukewarm water and a
car wash product. Rinse using plenty of clear water. Wipe the
body dry with a sofl cloth towel or chamois to prevent
water-spotting.
Interior care
Dirt spots can usually be removed with lultewarm soapy water
or a dry foam cleaner. Use spot remover for grease and oil
spots. Do not pour the liquid directly on the carpet or fabric,
but dampen a clean cloth and rub carefully, starting at the
edge of the spot and working inward. Do not use gasoline,
naphtha, or other flammable substances.
Leather upholstery and trim
Leather upholstery and trim should be periodically cleaned
using a slightly damp cotton or wool cloth. The idea is to get
rid of the dirt in the creases and pores that can cause brittle-
ness and premature aging. On heavily soiled areas, use a
mild detergent (such as
wooliteQ) or other specially formulat-
ed leather cleaners. Dry the trim and upholstery completely

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020-32
Maintenance
using a soft cloth. Regular use of a good quality leather condi-
tioner will reduce drying and cracking of the leather.
Polishing
Use paint polish only if the finish assumes a dull loolc afler
long service. Polish can be used to remove tar spots and tar-
nish, but
afleiwards a coat of waxshould be applied to protect
the clean finish. Do not use abrasive polish or cleaners on
aluminum trim or accessories.
Seat belts
Dirt and other abrasive particles will damage seat belt web-
bing. If it is necessary to clean seat belts, use a mild soap so-
lution. Bleach and other strong cleaning agents may weaken
the belt webbing and should be avoided.
WARNING-
Do not clean the seat belt webbing using dry cleaning or oth-
er chemicals. Allow wet belts to
dry before allowing them to
retract.
-
The condition of the belt webbing and the function of the re-
tractor mechanisms should be inspected. See
720 Seat Belts
for seat belt inspection information.
Speciai cieaning
Tarspots can be removed with a bug and tar remover. Never
use gasoline,
lterosene, nail polish remover, or other unsuit-
able solvents. Insect spots also respond to tar remover.
A bit
of baking soda dissolved in the wash water will facilitate their
removal. This method can also be used to remove tree sap
spots.
Washing chassis
Periodic washing of the underside of the car, especially in
winter, will help prevent accumulation of road salt and rust.
The best time to wash the underside is just afler the car has
been driven in wet conditions. Spray the chassis with a pow-
erful jet of water. Commercial or self-service carwashes may
not be bestforthis, as they may recycle the salt-contaminated
water.
Waxing
For a long-lasting, protective, and glossy finish, apply a hard
wax after the car has been washed and dried. Use carnauba
or synthetic based products. Waxing is not needed after
every washing. You can tell when waxing is required by
look-

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110-3
Engine Removal and lnstallationl
Q Fuel line plugs
(Tool No.
BMW 13 5 281 / 13 5 282)
4 Fuel line removal tool
(Tool No.
BMW 16 1 050)
CAUTION-
Disconnecting the battery may erase fault code@) storedin
memoiy Check for fault codes prior to disconnecting the
battery cables.
If the MIL (Malfunction Indicator Light, also may be
called "Check Engine" or "Service Engine Soon" light)
is illuminated, see
OBD On-Board Diagnostics for
DME fault code information.
It orhersysrem faults have been detected, as indicated I
by an ~llum~nated ABS, SRS orASC/DSC ~arning light,
see the appropriate repair group in this manual or an
authorized BMW dealer for more information on fault
codes.
NOTE- Engine removal procedures are similar for all 6-cylinder
models. When differences
exist, they are noted at the be-
ginning of each step. Engine are referred to by engine
code. See
100 Engine-General for engine code and appli-
cation information.
@ Be sure to cover all painted surfaces before beginning the
removal procedure. As an aid to installation, label all com-
ponents, wires and hoses before removing them. Do not
reuse
gaskets, O-rings or seals during reassembly.
The
intake manifold must be removed on &cylinder mod-
els before the engine can be removed.
WARNING-
Due to risk of personal injury, be sure the engine is cold be-
fore beginning the removal procedure.

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11 0-4
/Engine Removal and Installation
- Disconnect negative (-) cable from battery.
CAUTION- Prior to disconnecting the
batteg read the battery discon-
nection cautions
in 001 General Cautions and Warnings.
- Remove engine hood, or place in service position. See 410
Fenders, Engine Hood.
4 Remove left and right interior ventilation ducts (lefl side
shown):
Release ventilation filter cover latch (A) and remove cover.
Release plastic loclting tab
(6) or release locking tabs on
top of duct (later models).
Rotate duct counterclocltwise to
unloclt from bulkhead and
remove (arrow).
Disconnect electrical harness from hood switch (C).
Release spring
loclt (D).
Slide filter housing away from inner fender to remove.
Removal of right side ventilation duct is similar.
Remove rear bulkhead panel:
Remove rubber sealing gasket (arrow).
- Remove 3 mounting clips (A).
Remove
4 retaining screws (6).
Lift off panel.
Remove complete air filter housing:
Loosen
intalte duct hose clamp (A) at throttle assembly.
Loosen clamp and remove idle control line from intalte duct
(6) and (where applicable) disconnect idle speed control
valve electrical harness connector.
Disconnect harness connector (C) from mass air flow sen-
sor.
Remove air filter housing mounting screw (D).
Disconnect vent tube
(E).
Loosen air intake duct clamp (F).
Carefully lift air filter housing out of engine bay.

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110-15
Engine Removal and lnstallation
- Installation is reverse of removal, noting the following:
Replace all gaskets. O-rings and seals.
Use new fuel injector seals
Check that engine drive belts properly engage pulley
grooves.
Inspect O-ring seal between mass air flow sensor and air
filter housing. To facilitate reassembly, coat seal with acid-
free grease.
Change engine oil and filter and
check all other fluid levels.
See
020 Maintenance.
Refill and bleed cooling system. See
170 Radiator and
Cooling System.
CAUTION--
When reattaching throttle assembly harness connectoc con-
nector is
fuNy tightened when arrows on connector and plug
line up.
Tightening torques
Coolant drain plug to cylinder block
25 Nm (18 ft-lb)
Engine mount to
subframe (M10) 45 Nm (33 ft-ib)
Exhaust manifold to cylinder head
M6 10 Nm (89 in-lb)
M7 or ME 20 Nm (15 ft-lb)
Intake manifold to cylinder head
M7 15 Nm (I 1 ft-lb)
ME 22 Nm (16 ft-lb)
Radiator cooling fan to coolant pump
40 Nm (30 ft-lb)
Radiator drain screw to radiator
2.5 Nm (22 in-lb)