BMW 528I Owner's Manual page 150

Engine oil
150n
Specified engine oils
The 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 only approved "BMW High Perfor-
mance Synthetic Oil."
If you are unable to obtain "BMW High
Performance Synthetic Oil," you may
use small amounts of synthetic oil in
between oil changes. Only use oils with
the specification API SH or higher.
Ask your authorized BMW center
for details concerning the specific
"BMW High Performance Synthetic Oil"
or "synthetic oils" which have been ap-
proved.<
You can also call BMW of North
America at 1-800-831-1117 or visit
this website: www.bmwusa.com to
obtain this information.
Viscosity ratings
Viscosity 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 typically drive your
BMW.
Approved oils are in SAE classes
5W-30 and SAE 5W-40.<
These oils may be used for driving in all
ambient temperatures.
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