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      09-01-2017, 03:19 PM   #18
dreamspeed
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Drives: 6MT
Join Date: Jul 2012
Location: Los Angeles

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Quote:
Originally Posted by Flying Ace View Post
op, you might want to look into this: http://www.bimmerfest.com/forums/sho...58&postcount=3
Unfortunately my whistling noise happens while the car is stationary. I can the gas while the car is parked in neutral and it'll make the noise.

Highly doubly it's pulley related either, I'm like 99% sure the noise is "air" related.

From my research there are multiple sources of "whistling" noise. Could be pulleys, vacuum leaks, issues with air flowing through side mirrors/underbody parts while moving etc.

Even from the replies I'm seeing this thread there are probably multiple causes.

My car has also developed a buzzing sound right between 2900-3000rpm lol. Most likely a loose metal piece somewhere... sigh....
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