bmc air filter
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Joined: May 2010
Posts: 838
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From: Portland, OR
My Ride: 2005 545i Alpine White Premium package, Sport package, Nav, HUD, PDC
You won't ever have to buy another air filter, just wash it and drop it back in. Some dynos have been done to show minimal gains, but don't count on it IMO
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Joined: Apr 2012
Posts: 223
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From: Texas
You should do the filter, remove that extra carbon filter (if yours has it) and add the RPI ram air scoop. All those things together actually make a noticeable difference.
I have a k&n filter though.. should perform just as well
I have a k&n filter though.. should perform just as well
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Joined: Nov 2011
Posts: 924
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From: Los Angeles, CA
My Ride: 2008 AW N52 with sports package & premium package; natural brown interior
MODs:
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3000K H8 Yellow Fogs
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20" Miro 111
Hankook V12 Tires
H&R Sport Springs
Special coding via Simon (dbl flash hazards, digital velocity, etc.)
LED Side Markers from Trinity Autosports
LED License Plate Lights from Trinity Autosports
Carbon Delete
BMC Air Filter
RPI Scoop
RPI GT Exhaust
Future MODs:
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KW Variant 2 Coilovers
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Upgrade Audio System
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