Good link, X5 in AK, thanks for this. I read this report some time ago, but had misplaced the link. Like the author, I am amazed that people buy into the marketing hype for 'low restriction' oiled foam filters. They are supposed to be filters, and any restriction is a byproduct of them filtering. If you want less restriction you should just take the filter out entirely, and run it until you need a new engine.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue