The Genuine BMW Cover B-Column Upper Left (Anthrazit) - 51438055331 is a replacement cover for the upper left side of the B-column in a BMW vehicle. It is designed to match the original color of Anthrazit and is an authentic BMW product. This cover is made from high-quality materials and is specifically designed for the B-column, providing a perfect fit and seamless appearance. It is a durable and reliable replacement part for any BMW owner looking to maintain the integrity and appearance of their vehicle.