Engine Oil Additives
The use of engine oil additives is not recommended and not necessary on BMW engines. Instead, use of BMW High Performance Synthetic Oil in 1999 model year and later BMW models, Castrol Formula RS SAE 10W-60 Synthetic Oil or Castrol TWS Motorsport SAE 10W-60 Synthetic Oil in M5 S62 models produced up to 3/00 and E46 M3, E36 M roadster and M coupe with S54 engines is recommended. Also recommended is the use of either BMW High Performance Synthetic Oil, BMW High Performance Mineral Oil or one of today's highly advanced brand name lubricating oils conforming to API classification SH or higher in 1998 and earlier BMW models.