Engine Oil. Checking Level - BMW 5251 Service Manual

1
Maintenance
NOTE-
Castrol supplies the mineral and synthetic oil recommend-
ed by BMW
BMW High Performance synthetic oil may be used in all
E39 models, regardless of year.
The use of engine oil additives is not recommended when
using BMW High Performance synthetic engine oil.
*
BMW is constantly upgrading recommendedmaintenance
procedures and requirements. The information contained
here is as accurate as possible at the time ofpublication. If
there is any doubt about what procedures apply to a spe-
cific model or model year, or what intervals should be fol-
lowed, remember that an authorized BMW dealer has the
latest information on factory-recommended maintenance.
CAUTIOIG
In the case of cars that accumulate very low mileage per
yea/; BMW recommends that the engine oil should be
changed once a year at a minimum, regardless of whether
mineral or synthetic based oil is used.
In the interest of engine longevity, use half tlie recom-
mended engine oil change interval.
Engine oil, checking level
4
Engine oil level is checked with a dipstick (arrow) in the
engine block (6-cylinder oil dipstick shown, V-8 dipstick is
similar).
-
Check oil level with car on level surface, after engine has
been stopped for at least a few minutes.
-
Check level by pulling out dipstick and wiping it clean
Reinsert it all the way and withdraw it again.