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      09-23-2012, 07:41 PM   #1
Enlisted Member

Drives: 2014 328i M Sport
Join Date: Sep 2012
Location: Dallas

iTrader: (1)

Hi, I've had this preowned '07 E92 for less than a month and this super high pitched sound just started happening today. It seems to go away at higher RPMs but it's pretty persistent at idle. The car just hit 50k miles and it's so loud in the engine bay I can't even lock down where it might be coming from.

I took this video right after the sound began to happen.

Last edited by Veester; 09-23-2012 at 09:05 PM.