Quote:
Originally Posted by ulises 335i
i know this is a stupid question , but i wanted to know if i use 100 octane in my car (335i sedan) can it mess anything up?
my dad said i could mess up the engine or something.
(sorry if its a repost, i tryed searching)
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if your car is bone stock, you're wasting your money to pump 100 octane. it won't mess anything up except your wallet!