The Genuine BMW Positive Pole Battery Protection - 61218365954 is a protective cover for the positive pole of a BMW vehicle's battery. It is designed to prevent corrosion and damage to the positive pole, ensuring the battery remains in good condition and functions properly. This product is made by BMW and is specifically designed for their vehicles. It is made of high-quality materials and is easy to install. This battery protection is an essential component for maintaining the overall health and performance of a BMW's battery.