This product is a Genuine BMW Cap Wiper Arm Left, part number 61617037356. It is designed for use on the left side of a BMW vehicle's wiper arm. The cap is an essential component for protecting the wiper arm and ensuring proper functioning of the wiper system. This product is a genuine BMW part, meaning it is made by the original equipment manufacturer and is of the highest quality. It is suitable for use on various BMW models and is an important replacement part for maintaining the performance and appearance of the wiper system.