BMW 3-Series (E90 E92) Forum - View Single Post

jetbill · 01-23-2013, 02:50 PM

Same issue here more noticeable on cold start to warm transition when the waste gate changes state.

Sounds like a valve tap or lifters. Dealer said normal but it started at about 26k miles. Under load its quite.

01-23-2013, 02:50 PM	#15
jetbill Private Drives: E90 335 M-Sport Join Date: Feb 2012 Location: tampa Posts: 99 iTrader: (3)	Same issue here more noticeable on cold start to warm transition when the waste gate changes state. Sounds like a valve tap or lifters. Dealer said normal but it started at about 26k miles. Under load its quite.