2001 BMW 530i Engine oil light

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020-1 4
Maintenance
- When oil flow has diminished to an occasional drip, reinstall
drain plug with a new metal sealing washer and torque plug.
Tightening torque Engine oil drain plug to oil pan
25 Nrn (1.8 ft-lb)
6-cylinder oil filter assembly
r------ 1
< Working at oil filter housing (1):
Lubricate and install new oil filter O-rings (3, 4).
Install a new filter cartridge (5).
lnstall and tighten housing cover (2).
6-cylinder oil filter assembly shown, V-8 is similar.
Tightening torque Cover to oil filter housing
25 Nm (1.8 it-lb)
- Refill crankcase with oil. Approximate oil capacity is listed in
Tabled. Engine oil with filter change. Use dipstick to
check correct oil level.
- Start engine and check that oil pressure warning light
immediately goes out.
- Allow engine to run fora few minutes to circulate new oil, then
check for leaks at drain plug and oil filter. Stop engine and re-
check oil level
The section describes other routine maintenance done in the
engine compartment. Information on engine oil service is
giv-
enkar~ier inthis group.
For these procedures, it is not necessary for the car to be
raised and supported off the ground.
Accelerator and linkage
The accelerator and linkage at the throttle housing should be
lubricated periodically. Use ageneral purposeoil on the joints
and bearings of the linkage. Use a multipurpose grease on
the bearing points of the throttle plate.
Air filter, replacing
The specified replacement intervals forthe air filter are based
on normal use. If the car is operated primarily in dusty
conditions, the air filter should be serviced more frequently.

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020-22 Maintenance
1
- Installation is reverse of removal, bearing in mind the
following:
Lightly lubricate new
spark plug threads with
copper-based anti-seize compound.
Thread plugs into cylinder head by hand to prevent
cross-threading.
. Be sure to reinstall and tighten coil grounds.
Tightening torque Spark plug
to cylinder head 25 Nm (18 It-lb)
Interior ventilation microfilter, replacing
Two interior ventilation microfilters are used, one on each
side of the engine compartment at the fire wall.
< To replace the microfilter, unclip the wire fastener and
remove the cover.
Lift out the filter, and replace. Left side shown; right is
similar.
Replace cover and clip wire fastener to retain cover.
Battery, checking, cleaning, and replacing
The battery Is located in the right side of the luggage compart-
ment. Simple maintenance of the battery and its terminal
connections will ensure maximum starting periormance,
especially in winter when colder temperatures reduce battery
power.
Battery cables should be tight. The terminals, cable clamps
and battery case should be free of the white deposits that
indicate corrosion and acid salts. Even a thin layer of dust
containing conductive acid salts can cause battery discharge.

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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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ing at the finish when it is wet. If the water coats the paint in
smooth sheets instead of forming beads that roll off, a new
coat of wax is needed. Waxshould not be applied to black trim
pieces, rubber, or other plastic parts.
Windshield wiper blade maintenance
Common problems with the windshield wipers include streak-
ing or sheeting, water drops afler wiping, and blade chatter.
Streaking is usually caused when wiper blades are coated
with road
film or car wash wax. Clean the blades using soapy
water.
If cleaning the blades does not cure the problem, they
should be replaced. BMW recommends replacing the wiper
I blades twice a year, before and after the cold season.
I
< To replace wiper blade, depress retaining tab (arrow) and
slide blade out of arm.
I - Checlc tension spring that forces wiper against glass. Re-
place wiper arm if spring tension is weak.
Drops that remain behind after wiping are caused by oil, road
film, or diesel exhaust coating the windshield. Use an alcohol
or ammonia solution or a nonabrasive cleanser to clean the
windshield.
Wiper blade chatier may be caused by dirty or worn blades,
by a dirty windshield, or by bent or twisted wiper arms. Clean
the blades and windshield as described above.
Adjusithe
wiper arm so that there is even pressure along the blade, and
so that the blade is perpendicularto the windshield at rest. Lu-
bricate the wiper linkage with a light oil. The
linkage is located
under the hood on the driver's side. If the problem persists,
the blades are excessively aged or worn and should be re-
placed. See
61 1 Wipers and Washers for more information.

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100-6
( Engine-General
The main grounds for the fuel and ignition circuits of the DME
system are illustrated below; see 610 Electrical Component
Locations for additional ground and component locations.
4 Ground for engine management system in right rear of en-
gine compartment on E-box bulkhead (arrow).
6-cylinder models: Grounds
for ignition coils (arrows)
4 V-8 models: Grounds for ignition coils, at cylinders 3
(arrow) and 7.
4 Fuel pump ground (arrow) below right tail light in luggage
compartment.
NOTE-
Ground location for sedan shown, wagon models may
differ.

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11 3-40
I Cylinder Head Removal and Installation
Lubricate camshafts, camshaft carriers, bearing caps, hy-
draulic lifters, friction washers, splined shafts and spline hubs
with assembly lubricant before installation.
4 Check that two cylinder head aligning sleeves (arrows) are
correctly positioned in block and are not damaged.
- Apply elastic sealing compound Three Bond 1209 8 to cor-
ner joints on cylinder block to timing chain cover.
- Place new cylinder head gasket on cylinder block.
NOTE-
The word "OBEN" or "TOP printed on the gasket, should
face up. The cylinder headgaslet will fit correctly in only one
orientation.
- Set cylinder head in position, guiding primary chain through
cylinder head opening.
CAUJION-
Make sure the crankshaft, which had been rotated approxi-
mately 30" opposite the direction of engine rotation from
TDC, is still in thatposition before lowering the cylinder head
into position. All pistons must be out of TDC position to pre-
vent
valve/piston interference when the camshafts are in-
stalled.
- Lightly lubricate new cylinder head bolts and washers with
oil. Install bolts and washers finger tight. Install cylinder head
to lower timing chain cover bolts finger tight.
NOJE-
Cylinder head bolts should not be reused. They are
stretch-type bolts and must be replaced whenever loos-
ened.
* Aluminum cylinder blocls use different length cylinder
head bolts and torque values than cast iron blocks.
Check that all washers for
Nle head bolts are in place be-
fore installing the bolts. Some of the washers may be
staked to the cylinder head.
I 12 10 4 2 6 8 141 Tighten cylinder head bolts in correct sequence (1-14)
CA U TIOW-
The bolts should be tightened in three stages as listed below
The final stages require the use of a BMW special tool
11 2
110 or a suitable protractor to tighten the bolts to a specified
torque angle.

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Cylinder Head and Valvetrain
< Remove oil baffle cover from above intake camshaft(s)
- Rotate engine at crankshaft vibration damper center bolt in
normal direction of rotation (clockwise) until camshaft lobe of
lifter to be tested points away from the lifter, allowing valve to
be completely closed.
Use a plastic or wooden stick to press down on top of lifter
with approximately 3.5 Nm
(2.25 ft-ib) of force.
If the lifter collapses slightly as though spring loaded, air
may be trapped in the lifter.
NOTE-
Air trapped in hydraulic lifters may result from oil foaming (air
being drawn
in by the oil pump). This may be caused by a
faulty oil pump control valve O-ring; leaking oil pump pickup
gaslcet; or by oil starvation to pump.
Press down on top of lifter for
10 to 15 seconds uslng approx-
lmately 6 to 9 Nm (4.5 to 6.75 ft-lb) of force.
If anv clearance is created between the lifter and the
cam-
shafi lobe, the check valve in the lifter is not closing. Re-
place lifter.
- To replace a hydraulic lifter, remove appropriate camshaft.
Refer to camshaft removal procedures given in Camshaft
and lifter removal and installation.
Once camshaft is removed, withdraw faulty
lifter(s) and re-
place with new
lifter(s). Inspect lifter bores for wear and scor-
ing at arrows.
- Reinstall camshafts. See Camshaft and lifter removal and
installation.

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(camshaft Timing Chain
- To install lower timing case cover:
- Clean cover and cylinder block sealing surfaces
Use new
gaskets and coolant pipe O-ring.
Remove timing chain cover dowel pins from engine block.
Drive timing cover dowels in until they just protrude slightly
from sealing surface.
Apply a small bead of silicon sealer (Three Bond 1209
63
or equivalent) to corners of cylinder head where timing
cover meets cylinder head and engine block.
Tap cover into position until firmly seated.
lnstall all bolts hand tight, including two Torx bolts from
above.
Install secondary chain lower guide.
Tighten cover mounting bolts alternately and in stages.
Tightening torque
Lower timing cover to cylinder
bloclc (M6) 10 Nrn (89 in-lb)
- Install oil pan with new gasket. See 119 Lubrication Sys-
tem.
Tightening torque
Oil pan
to engine bloclc (M6)
8.8 grade
10.9 grade 10 Nrn (89 in-lb)
12 Nm
(9 ft-lb)
- Align damper assembly with lteyway and tap into place. In-
sert new center bolt with washer.
CAUTION-
Inspect woodruff key for damage before installing hub
assembly.
- Attach special tools 11 8 20011 1 8 190 to damper assembly.
Counterhold damper with
11 8 190 while tightening center
bolt.
CAUTION-
Do not use BMW special tool 1 I 2 300 to hold crankshaft
stationary to tighten cranl(shaft hub center bolt. Use only
the special tools specified, or equivalent hub holding tool.
Have a second person hold special tool
11 8 190 while
tightening center crankshaft bolt.
Tightening torque Crankshaft hub to crankshaft 410 Nrn
(300
ft-lb)