Genuine OEM BMW catalytic converters removed from a low-mileage F90 M5. Compatible with various BMW M models depending on part number. EPA-certified original BMW components with oxygen sensor bungs intact. Less than 30,000 miles of use. Fully functional with no cracks, no damage, and no known issues. Sold as pictured. Please verify compatibility using the part numbers shown in the photos before purchase. Buyer pays shipping.