Quote:
Originally Posted by Exclusivs
Interesting. I for-see 2 plausible paths, either I'm sure are okay.
1) Utilize the "Supercar" Castrol formula from this point forward - OR
2) Make change to BMW's Shell formula - and use from this point forward
- Though, I haven't come across anyone publically logging their S65 engine/ mileage with the Shell oil?
Either way - Am probably just amplifying this out of proportion.
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Both are API SN and very similar on paper. I doubt you'd notice much difference. If you are the paranoid type, use the BMW-branded oil. Otherwise, I'd just run whichever is cheaper/easier to get.
Plenty of people have run the Shell stuff without issue. I have at least two UOAs from it over the past two years (about 5-6k per year, including some track days). It was pretty much the same as my TWS reports.