The Genuine BMW Battery Holder - 51713400584 is a part used to securely hold and protect the vehicle's battery. It is made by BMW and is designed specifically for their vehicles. The battery holder is made of durable materials and is designed to fit perfectly in the designated space for the battery. It helps to keep the battery stable and in place, preventing any potential damage from vibrations or movement. This product is an essential component for maintaining the proper functioning of the vehicle's battery.