This product is a genuine BMW Mini catalytic converter, with the part number 18328654549. It is designed to reduce harmful emissions from the vehicle's exhaust system, in compliance with environmental regulations. The catalytic converter is an essential component in the exhaust system, converting harmful pollutants into less harmful substances before they are released into the atmosphere. This product is specifically designed for use in BMW Mini vehicles and is made with high-quality materials for optimal performance and longevity.