BMC PART NUMBER - FM01004 - BMWVerify your model using the 'Select Your Bike' search by entering the Make, Year, and Model. BMC air filters are designed as a performance replacement for the original element/s. Suitable for Street, Track Day and Race applications. Dimensions - L 174mm x W 129mm - Flat Panel Type The benefits are increased air flow intake capacity combined with excellent filteration to assist with engine, ignition or exhaust system modifications. The BMC Standard multi-layered 4 ply cotton fabric medium when treated with BMC's special blend low viscosity oil will contain airborne impurities down to 7 microns in size. The filter can be washed and re-serviced with the BMC Filter Care products to extend the filter life. Watch the video below for step-by-step instructions on servicing your BMC Air Filter: