The Genuine BMW Trunk Trim Panel Cap - 51477221886 is a plastic cover that fits onto the trunk trim panel of a BMW vehicle. It is designed to protect the trunk trim panel from scratches, dirt, and other damage. The cap is made from high-quality materials to ensure durability and a perfect fit. It is an authentic BMW product, ensuring the highest level of quality and compatibility with BMW vehicles. This trim panel cap is a genuine replacement part for damaged or worn out caps and is an essential component for maintaining the overall appearance of a BMW vehicle.