The Genuine BMW Fender Liner - 51717033749 is a replacement part for BMW vehicles that helps protect the fender and engine compartment from debris and water. It is made of durable materials and is designed to fit perfectly onto the vehicle's fender, providing a seamless and secure fit. This fender liner is an original BMW part, ensuring quality and compatibility with the vehicle. It is an essential component for maintaining the overall appearance and functionality of the vehicle's exterior.