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      12-16-2011, 02:58 PM   #5
eyim1988
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Drives: 2022 BMW M4
Join Date: Feb 2011
Location: Los Angeles, CA

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Quote:
Originally Posted by mrbuckets View Post
yea no clue how to describe it...its like an extra high pitch buzz/whistling sound..its so annoying when i have a passenger and I'm trying to have a convo especially now that I've heard it once my ears just seem to focus on it

not the radio because when i turn the radio power off its still there and even louder
turbo spooling?
2-3k rpm whirring sound? on the n55 it is normal. lol

edit: gets louder after a tune and when psi is higher.
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