Spark BMW 528i 1998 E39 Workshop Manual

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001 General Warnings and Cautions
PLEASE READ THESE WARNINGS AND CAUTIONS
BEFORE PROCEEDING
WITH MAINTENANCE AND REPAIR WORK.
WARNINGS-
See also CAUTIONS
- Some repairs may be beyond your capability. If you lack the skills, - Catch draining fuel, oil, or brake fluid in suitable containers. Do
tools and equipment, or a suitable workplace for any procedure
not use
foodor beverage containers that might mislead someone
described in this manual, we suggest you leave such repairs to
into
drinking from them. Store flammable fluids away from fire
an authorized BMW dealer service department or other qualified
hazards. Wipe up spills at once, but do not store the oily rags,
shop. which can ignite and burn spontaneously.
. Do not reuse any fasteners that are worn or deformed. Many fas- Always observe good worRshop practices. Wear qoqqles when
teners are designed to be used only once and become
unreliable you operate machine tools or work with battery acid:kloves or
and mav fail when used a second time. This includes, but is not other
~rotective clothino should be worn whenever the iob re-
limited io, nuts, bolts, washers, self-locking nuts or bolts, clrclips yires' working with harmful substances.
and cotter pins. Always replace these fasteners with new parts.
Greases, lubricants and other automotive chemicals contain toxic
. Never work under a lifted car unless it is solidly supported on
substances, many of which are absorbed directly through the
stands
desiqned for the purpose. Do not supeort a car on cinder
skin. Read the manufacturer's instructions and warninos careful-
blochs, hollow tiles orotherbrops that may drurnbie undercontin-
uous toad. Never work under a car that is supported solely by a
iack. Never work under the car
while the enqine is runninq. - -
If you aregoing to work underacaron the ground, makesure that
the ground is level. Block the wheels to
keep the car from rolling.
Disconnect the battery negative
(-) terminal to prevent others
from starting the car while you are under it.
- Never run the engine unless the work area is well ventilated. Car-
bon monoxide kills.
Rings, bracelets and other jewelry should be removed so that
they cannot cause electrical shorts, get caught in running ma-
chinery, or be crushed by heavy parts.
- Tie long hair behind your head. Do not wear a necktie, a scarf.
loose clothing, or a necklace when you work near machine tools
or running engines. if your hair, clothing, or jewelry were to get
caught in the machinery, severe injury could result.
DO not attempt to
work on your car if you do not feel well. You in-
crease the
danger of injuryto yourseliand others if you are tired,
uDset or have taken medication or anv other substance that mav
keep you from being fully alert.
Illuminate your work area adequately but safely. Use a portable
iy. Use hand and eye protection. Avoid direct skin conGct.
Disconnect the battery negative (-) terminal whenever you work
on the fuel system
orthe electrical system. Do not smokeorwork
near heaters or other fire hazards. Keep an approved fire extin-
guisher handy.
. Friction materials (such as brake pads or shoes or clutch discs)
contain asbestos fibers or other friction materials. Do not create
dust by grinding, sanding, or by cleaning with compressed air.
Avoid breathing dust. Breathing any
friclion material dust can
lead to serious diseases and may result in death.
Batteries
giveoff explosive hydrogen gas during charging. Keep
sparks, lighted matches and open flame away from the top of the
battery. If hydrogen gas escaping from the cap vents is ignited, it
will ignite gas trapped in the cells and cause the battery to ex-
plode.
Connect and disconnect battery cables, jumper cables or a bat-
tery charger only wilh the ignition switched off. Do not disconnect
the battery while the engine is running.
Do not quick-charge the battery (for boost starting) for longer
than one minute. Wait at least one minute before boosting the
battery a second time.
. . safety lighiforworking lnsideor under the car. Make sure the bulb - Do not allow battery charging vollage to exceed 16.5 volts. If the
is enclosed bv a wire caoe. The hot filament of an accidentallv
batten! beoins ~roducina oas or boilino violentiv, reduce the
broken bulb can ignite spilled
fuel, vapors or oil. , - - - charglng rate. ~oostlng a sutfaled battery at a igh charging rate
can cause an
explosion.
-
Continued on next page

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I General Warnings and Cautions
WARNINGS (continued)
. The air conditioning system is filled with chemical refrigerant,
which is hazardous. The AIC system should be serviced only by
trained technicians using approved refrigerant recoverylrecycling
equipment, trained in related safety precautions, and familiar with
regulations governing the discharging and disposal of automotive
chemical refrigerants.
. Do not expose any part of the AIC system to high temperatures
such as open flame. Excessive heat will increase system pres-
sure and may cause the system to burst.
Some aerosol tire inflators are highly flammable. Be extremely
cautious when repairing a tire that may have been inflated using
an aerosol tire inflator. Keep sparks, open flame or other sources
of ignition away
from the tire repair area. Inflate and deflate the
tire at least four
times before breaking the bead from the rim.
Completely remove the tire from the rim before attempting any re-
pair.
Cars covered by this manual are equipped with a supplemental
restraint system (SRS), that automatically deploys
airbags and
pyrotechnic seat belt tensioners
In the event oi a frontal or side
impact. These are explosive devices. Handled improperly or with-
out adequate safeguards, they can be accidently activated and
cause serious injury.
- The ignition system produces high voltages that can be fatal.
Avoid contact with exposed terminals and use extreme care when
working on a car with the engine running or the ignition switched
on.
. Place jack stands only at locations specified by the manufacturer.
The vehicle
illtino iack su~olied with the vehicle is intended fortire -. , . changes only. A heavy duty floor jack should be used lo lift vehicle
before installing
jacl( stands. See 010 General.
- Battery acid (electrolyte) can cause severe burns. Flush contact
area
with water, seek medical attention.
Aerosol cleaners and solvents may contain hazardous or deadly
vapors and are highly flammable. Use only in a well ventilated ar-
ea. Do not use on hot surfaces (engines, brakes, etc.).
Do not remove
coolant reservoir or radiator cap with the engine
hot. Danger of burns and engine damage.
CAUTIONS-
See also WARNINGS
- if you lack the slqills, tools and equipment, or a suitable worl(shop
for any procedure described in this manual, leave such repairs to
an authorized BMW dealer or other qualified shop.
BMW is constantly improving its cars and sometimes these
changes, both in parts and specifications, are made applicable to
earlier models. Therefore, part numbers listed in this manual are
for reference only. Always check with your authorized BMW deal-
er parts department for the latest information.
Before starting a job, make certain that you have all the neces-
sary tools and parts on hand. Read ail the instructions thorough-
ly, and do not attempt shortcuts. Use tools appropriate to the
work and use only replacement parts meeting BMW specifica-
tions.
Use pneumatic and electric tools only to loosen threaded parts
and fasteners. Never use these tools to tighten fasteners, espe-
cially on light alloy parts. Always use a torque wrench to tighten
fasteners to the tightening torque specification listed.
Be mindful of the environment and ecology. Before you drain the
crankcase, find out the proper way to dispose of the
oil. Do not
pour
oil onto the ground, down a drain, or into a stream, pond or
lake. Dispose of waste in accordance with Federal, State and
Local laws.
The control module for the anti-lock brake system
(ABS) cannot
withstand temperatures from a paint-drying booth or a heat
lamp
in excess of 203" F (95°C) and should not be subjected to tem-
peratures in excess of 185°F
(8S°C) for more than two hours.
- Before doing any electrical welding on cars equipped with ABS,
disconnect the battery negative
(-) terminal (ground strap) and
the ABS control module connector.
- Always make sure ignition is off before disconnecting battery.
Label battery cables before disconnecting. On some models, bat-
tery cables are not color coded.
Disconnecting the battery may erase fault code@) stored in control
module memory. Using special BMW diagnoslic equipment, check
lor
iauit codes prior to disconnecting the battery cables. If the mal-
I.mct on ndicator Ignt (MIL) s I. ..minaled. see OBD On-Board
Diaanostics
Tl11s iant is iuenlfted as lne Check Ena~ne oht
(1997-2000 models jor~ervlce Engine Soon light (2061 andlater
models). If any other system iaults have been detected (indicated
by an illuminated warning light), see an authorized BMW dealer.
If a normal
or rapid charger is used to charge battery, the battery
must be disconnected and removed from the vehicle in order to
avoid damaging the vehicle.
- Do not quick-charge the battery (for boost starting) for longer
than one minute. Wait at least one minute before boosting the
battery a second time.
* Connect and disconnect a battery charger only with the battery
charger switched off.
- Sealed or "maintenance free" batteries should be slow-charged
only, at an amperage rate that is approximately 10% of the bat-
tery's ampere-hour (Ah)
rating.
. Do not allow battery charging voltage to exceed 16.5 volts. If the
battery begins producing gas or boiling violently, reduce the
charging rate.
Boosting a sulfated battery at a high charging rate
can cause an explosion.

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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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General
ADVICE FOR THE BEGINNER
The tips that follow are general advice to help the do-it-your-
self BMW owner
periorm repairs and maintenance taslts
more easily and more professionally.
Planning ahead
Know what the whole job requires before starting. Read the
procedure thoroughly, from beginning to end, in
orderto know
just what to expect and what parts will have to be replaced.
Workshop practices
Keeping things organized, neat, and clean is essential to do-
ing a good job. When working under the hood, iender covers
will protectthe finish from scratches and otherdamage. Make
sure the car finish is clean so that dirt under the cover does
not scratch the iinish.
Any repair job will be less troublesome if the parts are clean
For cleaning old parts, there are many solvents and parts
cleaners commercially available.
For cleaning parts prior to assembly, commercially available
aerosol cans of parts cleaner or brake cleaner are handy to
use, and the cleaner will evaporate completely.
WARNING-
Most solvents used for cleaning parts are highly flammable
as well as toxic, especially in aerosol form. Use with extreme
care. Do not smoke. Do not use these products indoors or
near any source of heat, sparks or flame.
Non reusable fasteners
Many fasteners used on the cars covered by this manual
must be replaced with new ones once they are removed.
These include but are not limited to: bolts, nuts (self-locking,
nylock, etc.), roll pins, clips and washers. Genuine BMW
parts should be the only replacement parts used for this pur-
pose.
Some bolts are designed to stretch during assembly and are
permanently altered, rendering them unreliable once re-
moved. These are known as torque-to-yield fasteners. Al-
ways replace fasteners where instructed to do so. Failure to
replace these fasteners could cause personal injury
orvehi-
cle damage. See an authorized BMW dealer for applications
and ordering information.

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Sockets Socltets are used with a ratchet handle for speed and conve-
nience and can be combined with extensions and universal
joints (swivels) to reach fasteners more easily. The most
common socket drive sizes are
114 inch, 318 inch and 112 inch.
Sockets come in
6 point and 12 point styles. The 6 point offers
a better grip on tight nuts and bolts.
6 mm to 19 mm socltets
are the most needed sizes. Below is a list of typical bolt
diarn-
eters and the corresponding wrench sizes.
Common bolt diameters and wrench sizes
M5 8 rnrn
M6
10 rnm
M8 12rnrnor13rnrn
MI 0 17 rnrn
MI2 19 rnrn
M14 22 mm
Spark plug socket
4 A 518" deep-well socket for sparlt plugs includes a rubber in-
sert to both protect the spark plug from damage and grip it for
easier removal.
Pliers
There are many types of pliers including snap-ring,
needle-
nose, adjustable-joint, slip-joint (Channel-lock@), and locking
(Vice-Grip@) most of which are used for holding irregular ob-
jects, bending, or crimping. Some have special applications.
Needlenose pliers are used for gripping small and poorly ac-
cessible objects, and are useful forwiring and other electrical
work. Locking pliers such as the Vise-Grip@ are useful be-
cause of their tight grip.
Snap-ring and circlip pliers with special tipped jaws are used
to remove and install snap-rings or circlips. Channel-lock@ or
water pump pliers have adjustable jaws that can be quicltly
changed to match the size of the object being held to give
greater leverage,

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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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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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--- -
Maintenance
Table c. Inspection II Service
Additional
New parts Warm engine Dealer service repair
Tools required required required recommended information
Engine compartment maintenance
Replace air filter element. (Note: reduce
replacement intervals in dusty operating
conditions).
Replace brake
fluid every 2 years (time
interval begins from vehicle production
date).
Cooling system service
Spark plug service
Brake
system maintenance
:j:
*
Replace coolant every 3 years (time
interval begins from vehicle production
date).
Replace oxygen sensor every 160,000
itm
(1 00,000 miles).
020
FLUID AND LUBRICANT
SPECIFICATIONS
:I:
Oxygen sensor service
*
x:
Spark plugs:
M52
1 M62 engine:
Replace every 60,000 itm (48.000 miles).
M52
TU I M54 1 M62 TU engine:
Replace every 160,000
ltm (100.000
miles).
< Engine oil viscosity (SAE grade) vs. operating temperature
range for the BMW engines covered in this manual.
Fluid and lubricant capacities and specifications are listed be-
low. See
Fluids and lubricants.
:I:
*
*
*
WARNING -
The use of fluids that do not meet BMW" specifications may
impair performance and
reliabilitl: and may void warranty
coverage.
340
170
180
* 020

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Maintenance
continue to operate as designed. Extending the replacement
interval may void the emission control warranty coverage.
See
180 Exhaust System for information on replacing the
oxygen sensors.
Tightening torque
Oxvoen sensor to exhaust
manifold 50 Nrn (37 ft-lb)
NOTE-
A special soclet for replacing the oxygen sensor is available
from most automotive parts stores. The soclet has
a groove
cut down one side to allow the sensor to be installed without
damaging the wire harness.
Power steering fluid, checking level
The power steering system is permanently filled and does not
have a drain. Routinely adding ATF is not required unless the
system is leaking.
4 To check power steering fluid level in fluid reservoir:
Park car on level ground with engine off.
Level is correct
if it is between MlN and MAX marks on
dipstick.
If level is below
MlN mark, add fluid to reservoir to bring
level up.
* Hand-tighten reservoir cap.
Power steering fluid
Dexron
1iiO ATF or equivalent
Spark plugs
E39 models through model year 1998 were equipped with
spark plugs with two electrodes. These are gapped to
0.7 mm
(0.028 in) by the manufacturer and are not adjustable.
Starting with 1999 models, long life spark plugs with
3 or four
electrodes were used. These can be retroactively fitted to
earlier
models. The recommended spark plug replacement
interval
forthese is 100,000 miles.The electrode gap in these
spark plugs is not adjustable.
Spark plug applications
M52 Bosch FBLDCR
M52 TU, M54 Bosch FGR7DQP or NGK BKRBEQUP
M62 to 7/97 Bosch F7LDCR or NGK BKR6EK
M62 from 7/97 Bosch F9LDCR
M62 TU Bosch FGR7DQP or NGK BKRGEQUP

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020-21
Maintenance
Spark plugs, replacing
E39 engines use a coil-over-spark plug configuration, with
one ignition coil above each spark plug. Sparks plugs should
be removed only after the engine has cooled.
Remove engine
cover(s) over ignition coils:
Remove acoustic cover over fuel injectors
I intake
manifold.
6-cylinder engine: Remove oil filler cap.
Remove plastic trim covers (arrows).
Remove cover hold-down bolts. Remove coil
cover(s)
6-cylinder engine: Temporarily reinstall oil filler cap to
keep out contaminants.
Remove ignition coil grounding harnesses (arrows). 6-cylin-
der coils shown,
V-8 engine is similar.
< Remove ignition coils:
Pull up on spring clips to disconnect ignition coil harness
connectors.
Remove coil mounting bolts. Pull coils up and off spark
plugs.
- Remove spark plugs.