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      09-03-2012, 02:26 PM   #26

Drives: 2015 F82 M4 BSM/CCBs
Join Date: Oct 2008
Location: San Francisco, CA

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2015 F82 M4  [0.00]
2012 E92 M3 ZCP  [0.00]
2008 E92 M3  [4.50]
Hey guys, sorry for the late follow up to my original post. I took it into the dealer and they acknowledged the noise (hard not to). They had a regional tech (I believe) look at the motor and listen with a scope, but they couldn't pinpoint the exact spot of the noise. They told me to keep driving the car and to let them know if the sound got worse. It has gotten worse, in fact; it's much more frequent and noticeable, so I'll call my SA tomorrow. Additionally, the whine this motor has, which was already significantly louder than my last S65, is getting louder.

Regarding this...My sound isn't rhythmic. It's constant, but not consistent. Is how mine sounds a precursor to this video?

Originally Posted by View Post
Sounds like a bottom end noise. Possible bearing failure, not to scare you guys but sounds very familiar to what we've experienced with these engines. Here is a video when it gets pretty bad.