What octane is everyone running on their cars? I know the minimum is 87 octane, with 91 recommended and 93 recommended for M cars.

I’ve ran 87, 89, and 93 octane and have felt no performance difference. Also, I don’t hear any knocking on any octane thanks to the knock sensors.

Car is a g20 m340i with a b58.

  • krombopulousnathan@alien.topB
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    1 year ago

    Yeah idk you haven’t convinced me not to go to Costco. It might be just marketing fluff, in which case Costco is still cheaper than any BP or whatever so might as well get it