This is a genuine BMW exterior left front moulding with a chrome finish. The part number is 51218150089. It is designed for use on the left side of the vehicle's front exterior and is used to protect and enhance the appearance of the vehicle. This moulding is an authentic BMW product and is made with high-quality materials to ensure durability and a perfect fit. It can be used as a replacement for a damaged or worn-out moulding or as an upgrade to give your BMW a sleek and stylish look.