Pete,
I don't understand what you are asking: it's fine to use a good dino oil in a BMW engine. The main detriment to dino is a lesser viscosity spread and usually significantly lower TBN.
Doesn't mean they can't be run safely in an N/A BMW engine with confidence.
Joe
I don't understand what you are asking: it's fine to use a good dino oil in a BMW engine. The main detriment to dino is a lesser viscosity spread and usually significantly lower TBN.
Doesn't mean they can't be run safely in an N/A BMW engine with confidence.
Joe