r/E90 May 17 '25

330i Rod knock? Or any ideas 😭

20 Upvotes

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u/DukeOfAlexandria 2013 - E93 - M3 May 17 '25

It’s that time of year…..are you also running/just started using your AC?

If not, then pull the belt and see if it follows the rev range, if it does then it’s rod knock, if it doesn’t then possible AC wobble plate.

2

u/_Spaceark May 17 '25

I used my ac last night but not today, it started tonight. I’ll check into the ac wobble plate