BMW 3-Series (E90 E92) Forum - View Single Post - Moaning Noise coming from N54 Engine (On and off...) What could it be??

stickz23 · 09-14-2012, 10:05 AM

I'm assuming all the time ( with the exceptions of the pause periods every few seconds) i'll be monitoring it heavily.

I have noticed the sound when I'm up to temperature and at idle.

09-14-2012, 10:05 AM	#22
stickz23 Modify the N54 17 Rep 366 Posts Drives: 335i Join Date: Jun 2011 Location: Downey, California iTrader: (15)	I'm assuming all the time ( with the exceptions of the pause periods every few seconds) i'll be monitoring it heavily. I have noticed the sound when I'm up to temperature and at idle.
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