Originally Posted by TrackRat
Castrol Syntec 5w-30 is not LL-01 approved and should not be used. The acceptable LL-01 grades for non-M BMW gas engines operated in the U.S. are: 0w-30, 5w-30, 0w-40 and 5w-40. The specific oils shown on the official BMW NA website meet all requirements.
Should I change my oil then?