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      03-12-2013, 06:50 AM   #21
BMRLVR
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Drives: 2011 E90 M3,1994 Euro E36 M3/4
Join Date: Apr 2006
Location: Fort McMurray, Alberta, Canada

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Quote:
Originally Posted by SV Concepts II
Quote:
Originally Posted by BMWNTHZST View Post
What's better the pre oiled or dry AFE filter?

I'm going to do this mod however I want to make the right choice.
The oiled filter has 75% better air flow over stock and the dry filter has 50% better air flow over stock. Personally, I wouldn't want to deal with re-oiling the filter after cleaning it so I would go with a dry filter. I highly doubt I would notice a 25% difference in air flow, but who knows It all comes down to personal preference. Can't go wrong with either choice though.
If these filters flow that much more air compared to stock with similar filter area they must be letting in a shit pile of dirt.

An air filter can't let in more air without letting in more dirt when unless the filter media area is larger!
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