Chànging engineoii 67
Description of maintenance routines
Engine Oil
Frequency of oil changes
Outsldetemperatures
011 grades
:very 5000 miles 7500 km)
Usuallyabove
Branded 4-stroke HD oil
in AP[ `SE' category
or every 6 months attielatest,foreveryseason
multigrade oil
single g rade oil
SAE 20 W 50
SAE 40
of the year.
86° F (3oo C)
The whole yearabove
SAE 20 W 40
SAE 30SAE20
|4° F(-ioo C)
SAE 20 W 50
Usua[ly below
SAE 10 W 30
5o° F(ioo c)
SAE 10 W 40SAEI0W50
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quarts/0.75 liters if the filter is also
changed.
On BMW 633 Csi: +0.75 liter (1.3 lmp.
pints, 0.8 US quarts) in oil cooler-to be
added only after a repai r.
Oil level: Fill to the upper mark on the
dipstick, never higher.
Changing engine oil:
Remove drain plug (19 mm wrench) on
the bottom right of the sump. Fìeplace
and screw up firmly after the old oil has
drajnedawayfu1ly.
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10 W 30
0 , sAE