Help identifying what this noise is?

mistryn · 07-11-2012, 03:31 PM

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

Skylinescott · 07-11-2012, 06:45 PM

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.

mistryn · 07-12-2012, 02:05 AM

there is oil leaking around my manifold area could this possibly be the boost leak?

mistryn · 07-12-2012, 01:56 PM

I found this vid on youtube which is very similar to what I am hearing but no comments underneath so not sure??

07-11-2012, 03:31 PM	#1
mistryn Colonel 147 Rep 2,048 Posts Drives: BMW 335D Join Date: Oct 2011 Location: Mids iTrader: (8)	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
	Appreciate 0 Tweet Quote

07-11-2012, 06:45 PM	#2
Skylinescott Private 5 Rep 90 Posts Drives: Sapphire Black E90 325D Join Date: Sep 2011 Location: Hampshire iTrader: (-1)	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.
	Appreciate 0 Quote

07-12-2012, 02:05 AM	#3
mistryn Colonel 147 Rep 2,048 Posts Drives: BMW 335D Join Date: Oct 2011 Location: Mids iTrader: (8)	there is oil leaking around my manifold area could this possibly be the boost leak?
	Appreciate 0 Quote

07-12-2012, 01:56 PM	#4
mistryn Colonel 147 Rep 2,048 Posts Drives: BMW 335D Join Date: Oct 2011 Location: Mids iTrader: (8)	I found this vid on youtube which is very similar to what I am hearing but no comments underneath so not sure??
	Appreciate 0 Quote