The Genuine BMW Cover Pot - 51177238100 is a protective cover for the engine oil filler cap on BMW vehicles. It is made from high-quality materials and is designed to fit securely over the oil filler cap to prevent any dirt, debris, or moisture from entering the engine. This cover pot is an essential component for maintaining the proper functioning of the engine and ensuring its longevity. It is an authentic BMW product, specifically designed for BMW vehicles, and is a crucial part of the vehicle's overall performance and reliability.