BMW Genuine Fuel System Intake Muffler Air Filter Element 228i 228iX 228i 228iX 320i 320iX 328i 328iX 328i 328iX 428i 428iX 428i 428iX 328i 328iX 428i 428iX Product Description: 1 x BMW Genuine Air filter element - It is used in Intake muffler -- Intake muffler/Filter cartridge/HFM -- 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