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Old 12-29-2012, 11:16 AM
Dave @nz Dave @nz is offline
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Location: New Zealand
 
Join Date: May 2007
Posts: 46
Mein Auto: E36 323 Msport, & E30 M3
Hi,
What you hear may well be normal sound of air moving through the throttle butterfly when the engine stops, I would be having a good listen with the engine running may be use a piece of plastic hose against your ear and other end put along the manifold area to try and id any areas of concern.

Dave.
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