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      09-19-2012, 03:59 PM   #12
First Lieutenant
Drives: E92 335XI
Join Date: Mar 2011
Location: Chicago, IL

Posts: 319
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Originally Posted by 5soko View Post
The intake duct with DCI is useless... The OEM intake duct works off pressure/vaccum in which when you install the DCI is out the window..
So if your gonna keep your DCI, the stock intake ducts is useless.

Go grab a K&N recharge kit and clean those filters..

IF you had aftermarket air intake scoops in conjunction with the oem intake duct, then it would be useful
Thanks for your advice
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