Originally Posted by najin23
how do you do this? Who's making it? I really want to keep my oem OC and get another one on the left fender. Did you modify?
Like this: http://www.e90post.com/forums/showthread.php?t=773556
. This kit comes with the necessary elements to get rid of your OEM OC which is tiny. The ducting is one of the most important things about this setup.