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Engine oilEngine oil specificationsThe quality of the engine oil selected
has critical significance for the opera-
tion and service life of an engine. Based
on extensive testing, BMW has ap-
proved only certain engine oils.
Use approved "longlife oils" only.
If it should ever occur that it is impossi-
ble to purchase an approved "longlife
oil," you may use small volumes of the
"special oils" approved by BMW for
topping up between oil changes.
You may use oils with the specification
API SH only if the special oils are also
not available.
Call 1-800-831-1117, or ask your
authorized BMW center for de-
tails concerning the specific "longlife
oils" or "special oils" which have been
approved.<
Viscosity ratingsViscosity is the oil flow rating as estab-
lished in SAE classes.
The selection of the correct SAE class
depends on the climatic conditions in
the area where you drive your BMW.
BMW recommends the use of oils in
SAE classes SAE 0W-X or SAE 5W-X,
where "X" stands for a specification
such as 30, 40 or 50.
These oils may be used for driving in all
ambient temperatures.
If you are using SAE class 10W-X, you
may continue to drive for short periods
at temperatures below this limit. How-
ever, the engine's cold-starting charac-
teristics may be impaired.
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