BMW Genuine SUCTION SILENCER/FILTER CARTRIDGE Air Channel 320i 325Ci 325i 325xi 330Ci 330i 330xi Product Description: 1 x BMW Genuine AIR CHANNEL - It is used in SUCTION SILENCER/FILTER CARTRIDGE -- It is backed by BMW Manufacturer Warranty: 24000 miles or 2 years Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility