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      04-19-2010, 06:56 PM   #126
dashredder's Avatar

Drives: 2006 330i
Join Date: Dec 2009
Location: Illinois

iTrader: (7)

I did the mod today and installed a K&N drop in air filter. Thanks for the initial post and photos!! I used a sharp blade to cut the carbon filter out and then I used wide blue painters tape to seal off the mass air meter. I followed with a rough file and then a dremel to smooth over the surface.

Easy mod and my initial 2 mile test loop brought with it a feel of improved throttle response and "grunt." Glad I did it and I will look forward to testing it out with a few more miles!