BMW M3 Forum (E90 E92) - View Single Post

Leonardo629 · 01-12-2017, 07:11 PM

It's your cam chain slapping against the guide, it's normal as the chain and tensioner wear, there's also more slack at low rpm.

01-12-2017, 07:11 PM	#16
Leonardo629 Lieutenant Colonel 168 Rep 1,792 Posts Drives: 2013 M3 Coupe Join Date: Sep 2006 Location: Taiwan iTrader: (10)	It's your cam chain slapping against the guide, it's normal as the chain and tensioner wear, there's also more slack at low rpm.
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