BMC's quality is epic. I've tried both (oiled and dry) AFE's, Macht Schnell, and the BMC. BMC is my favorite due to the quality of the plastic on the top of the filter (MS runs a close 2nd).
2009 E92 M3/DCT/Alpine White/Fox Red/Carbon Leather
OE Tuned 402 whp & 303 wtq/Gintani X-pipe/MXP Axle Back/Rogue Pulley/AFE Stage 2/Cosmetics By IND & EAS
HUGE THANKS: Gintani, OE Tuning, and EAS