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.
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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.
I run the 0W-40, which used to be LL rated. I don't know why it matters - I don't change my oil every 15k miles!
I wouldn't run Castrol to begin with. Most people here run 5W40.
Most important as has been said is to replace the oil often enough and not too late...
BMW was working with Castrol oils at the time these are were available.