2000 BMW 525i recommended oil

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Fuel Injection
Warnings and cautions
For personal safety, as well as the protection of sensitive
electronic components, adhere to the warnings and cautions
on the following pages.
WARNING-
Gasoline is highly flammable and its vapors are explosive.
Do not smoke or work on a car near heaters or other fire
hazards when diagnosing and repairing fuel system prob-
lems. Have a fire extinguisher available in case of an emer-
gency
Renew fuel system hoses, clamps and O-rings any
time they are removed.
When working on an open fuel system, wear suitable
hand protection, as prolonged contact
with fuel can
cause illnesses and skin disorders.
* The ignition system produces high voltages that can be
fatal. Avoid contact with exposed terminals. Use ex-
treme caution when
working on a car with the ignition
switched on or the engine running.
CAUTION-
- Disconnecting the battery may erase fault code($ storedin
memory Check for fault codes prior to disconnecting the
battery cables. Read the battery disconnection cautions in
001 General Warnings and Cautions.
a Connect and disconnect the DME system wiring and
1 test equipment leads only when the ignition is switched
off.
Wait at least 1 minute after turning off the ignition be-
fore removing the engine control module (ECM) con-
nector. If the connector is removed before this time,
residualpower in the system relay may damage the
control module.
Fuel system cleaners and other chemical additives oth-
er than those specifically recommended by BMW may
damage the catalytic converter, the oxygen sensor or
other fuel supply components.
* Do not connect any test equipment that delivers a 12-
volt power supply to terminal 15 (+) of the ignition coil.
The current flow may damage the ECM. In general,
connect test equipment only as specified by BMW or
the equipment maker.
Only use a digital
multirneter for electrical tests. Only
use an LED test light for
quiclc tests.

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180-2
Exhaust System
The exhaust system is designed to be maintenance free, al-
though regular inspection is warranted due to the harsh oper-
ating conditions. Under normal conditions, the catalytic
converter does not require replacement unless it is damaged.
New fasteners, clamps, rubber mounts and gaskets should
be used when replacing exhaust components.
A liberal appli-
cation of penetrating oil to the exhaust system nuts and bolts
in advance may make removal easier.
WARNING -
The exhaust system and catalytic converter operate at
very high temperatures. Allow components to cool before
servicing. Wear protective clothing to prevent burns.
Do not use flammable chemicals near a hot
cataiyiic
converter.
Corroded exhaust system components crumble easily
and often have exposed sharp edges. To avoid injury,
wear eye protection and heavy gloves when working
Exhaust system, removing and installing
The removal and installation procedures given here are gen-
eral procedures for all models. The removal of the exhaust
system as a complete unit is recommended. Once the com-
plete system is removed from the car, individual pipes and
mufflers can be more easily replaced.
WARNING-
Exhaust gases are colorless, odorless, and very toxic. Run
the engine only in a well-ventilated area. Immediately repair
any
leaks in the exhaust system or structural damage to the
car body that
might allow exhaust gases to enter the passen-
ger compartment.
CAUTION-
Use care not to drag or bang oxygen sensors. Oxygen sen-
sors can be easily ruined.

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- Raise and safely support vehicle
WARNING-
Make sure the car is stable and well supporied at all times.
Use a professional automotive /iff orjack stands designed for
the
ournose. A floor jack is not adeouate suooort.
- If necessary, remove transmission splash shield.
- Disconnect fluid line from slave cylinder on lefl side of trans-
mission. Place pan under hose to catch dripping fluid.
4 Working underneath transmission, remove slave cylinder
mounting nuts (arrow) from clutch housing and remove
cylinder.
- Installation is reverse of removal, noting the following:
Check for wear on slave cylinder. Any wear except on tip is
caused by misalignment of clutch components.
Lightly coat
pushrod tip with molybdenum disulfide grease
(MolyltoteIB Longterm or equivalent).
. During installation be sure pushrod tip engages recess in
clutch release lever.
Fill fluid reservoir with clean fluid.
. Bleed clutch hydraulics as described earlier.
Tightening
toraues - -.
Clutch slave cylinder to transmission 22 Nm (16 R-lb)
Fluid line to slave cylinder 17 Nm (13 ft-lb)
The transmission must be removed from the engine to access
the clutch mechanical components. It is recommended that
the clutch disc, pressure plate and release bearing be re-
placed during a clutch overhaul.
Besure tocheck the bottom of the bellhousing foroil. If engine
oil is found, check for a faulty rear crankshaft main oil seal.
See
119 Lubrication for rear main seal replacement.
Clutch variations
Two versions of the clutch are used:
1997 528i (6 cylinder) uses traditional clutch components.
All
540i (V-8) and 1998 and later 6 cylinder models from
use a self-adjusting clutch (SAC).