How do I change the microfilter?
Is this easily done, want to avoid the dealer and do it myself

Sent from my Xoom using Bimmer

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2004 645 cic with SMG
2006 - X5, sport, premium, winter pkgs, 19 inch upgrade, panoramic sunroof
2002 - 540i
2000 - 323ci
1994 - 540i