Reviewed By James R (Kansas City, MO) Reviewed for a 2001 BMW X5 —11/11/2010 8:25 AM
I have had many K&N Filters and they always improve the performance of the vehicle.
Reviewed By William H (Huntsville, AL) Reviewed for a 2002 BMW X5 —4/18/2007 1:45 PM
I noticed a difference in (better) engine responsiveness right away! Cannot accurately determine MPG figures due to city driving. Maybe I can report back later when I get some highway driving! No regrets! Just smiles!