BMW Gen Recirculated Air Cabin Pollen Filter Microfilter Set F25 F26 64119237159
THEY ARE THE RECIRCULATED AIR FILTERS. THERE IS ALSO ANOTHER CABIN/POLLEN/MICRO FILTER FITTED TO X3's. THIS IS NOT THE MAIN POLLEN FILTERS ON THE VEHCILE, THESE ARE THE SMALLER ONES FOR RE-CIRCULATED AIR.