2000 BMW 540i Gasket

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01 0-1
010 General
General ........................... .01 0.2
How to Use this Manual ............ .01 0.2
Warnings. cautions and notes ........... .0l 0.3
Getting Started .................... .0i 0.5
Safety ............................. .O1 0.5
Lifting the car ........................ .O1 0.5
Raising car ......................... .O1 0.5
Working under car .................... .O1 0.6
Advice for the Beginner ............ .O1 0.7
Planning ahead ...................... .O1 0.7
Workshop practices ................... .O1 0.7
Non-reusable fasteners ................ .O1 0.7
Tightening fasteners .................. .O1 0.8
Gaskets and seals .................... .O1 0.9
Electrical testing .................... .O1 0.10
Wire repairs ........................ .O1 0.10
Buying Parts ..................... .01 0.11
Genuine BMW parts ................. .O1 0.11
Non-returnable parts ................. .O1 0.11
Information you need to know .......... .0l 0.12
Service ........................... 01 0-1 3
TOOIS ............................. 010-13
Basic tool requirements ............... 01 0-1 4
Jack stands ......................... 01 0-1 6
Oil change equipment ................. 01 0-1 6
Torque wrench ...................... 01 0-17
Digital multimeter .................... 010-17
BMW special tools ................... 01 0-1 8
Emergencies ...................... 01 0-1 8
Changing a tire ...................... 01 0-1 8
Jump starting ....................... 01 0-1 9
Indicator and warning lights ............ 01 0-1 9
Towing ............................ 010-20
Spare parts kit ...................... 010-21

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General Tightening fasteners
When tightening the bolts ornuts on acomponent, it is always
good practice to tighten the bolts gradually and evenly to
avoid misalignment or over-stressing any one portion of the
component. For components sealed with gaskets, this meth-
od helps to ensure that the
gasket will seal properly.
WARNING
-
Table a: General bolt tightening torques in Nm (max.
permissible) is
a general reference only The values listedin
the table are not intended to be usedas a substitute for tor-
ques specifically called out in the text or in manufacturer's in-
formation.
4 Where there are several fasteners, tighten them in a se-
NOTE-
* Metric bolt classes or grades are rnarlced on the bolt head.
* Do not confuse wrench size with bolt diameter. Fora listing
of the common wrenches used on various bolt
diameters,
see Basic tool requirements.
2 BOO~FNG
quence alternating between opposite sides of the compo-
nent. Repeat the sequence until all the bolts are evenly
tightened to the proper specification.
For some repairs a specific tightening sequence is
neces-
sary, or particular order of assembly is required. Such special
conditions are noted in the text, and the necessary sequence
is described or illustrated. Where no specific torque is listed,
Table
a: General bolt tightening torques in Nm (max. per-
missible) can be used as a general guide for tightening fas-
teners.

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General
Table a. General bolt tightening torques in Nm
(max. permissible)
Bolt Class (according to DIN
267)
Gaskets and seals
Gasket aredesigned to crush and become thinner as the mat-
ing parts are bolted together. Once agasket has been used, it
is no longer capable
;f malting as good a seal as when new,
and is much more likely to leak.
Forthis reason, gaskets
should not be reused.
Some gaskets and seals are
d~rectional. Make sure thatthese
are
~nstalled correctly. In places where a shaft must pass
through a housing,
flex~ble lip seals are used to keep the lubri-
cating
011 or grease from leaking out past the rotatlng shaft.
Seals should never be reused once they have been removed.
When
rernovlng a seal, be careful not to damage the metal
surfaces.
The ltey to seal installation is to get the seal in straight without
damaging it. Use a seal driver that is the same diameter as
the seal housing to gently and evenly install into place.
If a
proper size seal driver is not available, a socket of the right
size will do.
Some seals are directional and special installation instruc-
tions apply. Make sure a seal is installed with the lip facing the
correct way. Note the installation direction of the old seal be-
fore removing it.

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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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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)