Quote:
Originally Posted by dparm
Color is largely irrelevant since they can add dyes and there will always be production variances. Royal Purple is dyed purple, Torco is dyed blue, Motul 300V is dyed green, etc.
They are of course fine to mix, it's a requirement of API certification that oils be mixable.
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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.