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I've kind of researched it and came to this basic conclusion, If you are gonna go with an oil without the LL01 rating you'd have to change it often. That rating mostly deals with fuel dilution and our engines produce quite a bit of blow-by especially at WOT. I'd also change it after every autocross or such event. Me personally I'm using the BMW oil as I haven't really seen anything better for daily driving as I dont track the car much.
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