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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > Help identifying what this noise is?



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      07-11-2012, 03:31 PM   #1
mistryn
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Help identifying what this noise is?

Noticed this today when I press the accelerator and lift of I get this faint air leak/whining noise. i am not sure if this is normal or what it could be?


Apology for bad video, I tried to position iphone in the engine bay but did not go succesfull but please listen to sound
http://s11.photobucket.com/albums/a1...rent=whine.mp4
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      07-11-2012, 06:45 PM   #2
Skylinescott
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Sounds to me as if you have a small boost leak! Had it happen in my Transit Connect and it rounds very similar. Take it to a local garage and get them to put a tightness test on the pressurised part of your intake.
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      07-12-2012, 02:05 AM   #3
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there is oil leaking around my manifold area could this possibly be the boost leak?
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      07-12-2012, 01:56 PM   #4
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I found this vid on youtube which is very similar to what I am hearing but no comments underneath so not sure??
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