Among these three Castrol Euro viscosities, which would you run in your ZHP or other BMW? From these Castrol oils, only the 5w-30 and 5w-40 have the BMW Longlife rating.
Among these three Castrol Euro viscosities, which would you run in your ZHP or other BMW? From these Castrol oils, only the 5w-30 and 5w-40 have the BMW Longlife rating.
Last edited by cavette; 09-17-2023 at 11:32 AM.