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Old 11-01-2012, 12:23 PM
HerbP HerbP is offline
Officially Welcomed to the 'Fest
Location: Georgia
Join Date: Jul 2009
Posts: 2,958
Mein Auto: 2005 645Ci & 2007 750Li
You will here a air sucking sound from the air intake, until the engine goes into a closed loop program. The intake is just manually sucking unmetered air. This is usually on a cold morning start.
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