Quote:
Originally Posted by The_Digital_One
Has anyone tried using any new oils that are API SN Plus rated? If so did you notice any difference? Does anyone have any input as to why an SN Plus rated oil could be bad in the e90 (N55) in my case?
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The SAE rating system is so bogus and broad, I would never use it to choose an oil for any BMW (or any other car FTM). Look into the ACEA system, cna choose something ACEA A3/B3-4, which is what the LL-01/etc oils are based upon.