BMW Genuine Engine Intake Muffler Air Filter X1 28i X1 28iX Z4 28i Z4 30i 528i 528iX 528i 528iX BMW Genuine Engine Intake Muffler Air Filter E84 E89 F10 F10N It is used in Intake muffler/Filter cartridge/HFM -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility