The Genuine BMW Windshield Wiper Arm Left (E36) - 61618360411 is a replacement wiper arm for the left side of a BMW E36 model. It is a genuine BMW product and is designed specifically for this model. The wiper arm is responsible for holding the wiper blade in place and moving it across the windshield to clear away rain, snow, and debris. This product is made with high-quality materials and is durable and long-lasting. It is an essential component for maintaining clear visibility while driving in inclement weather.