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Old 03-10-2013, 08:09 AM
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lbjgh lbjgh is offline
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Location: North of Toronto
 
Join Date: Dec 2011
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Mein Auto: 2013 X3 M-Sport
I found this video clip of an N20 motor with a cold air intake. You'll note the DI is noticeable but does not sound mechanical like the sound in your video clip.
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Last edited by lbjgh; 03-10-2013 at 08:11 AM.
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