The Genuine BMW Eccentric Washer (Zns3) - 33306777170 is a small, circular metal washer designed specifically for use in BMW vehicles. It is made from high-quality materials and is an essential component in the proper functioning of the vehicle's suspension and steering systems. The washer is used to secure and adjust the position of various components, such as control arms and tie rods, to ensure proper alignment and smooth operation. This particular washer is part of the Zns3 series and has a unique design that allows for precise adjustments and a secure fit. It is a genuine BMW product, ensuring the highest level of quality and compatibility with your vehicle.