The Bilstein B4 2007 BMW 328i Base Convertible Front Right Suspension Strut Assembly is a high-performance replacement for the original equipment strut. It is designed to improve handling and provide a smoother ride. The strut is made from a monotube gas pressure design and is constructed with a solid steel body and a high-pressure nitrogen gas charge. It is specifically designed for the 2007 BMW 328i Base Convertible, providing a perfect fit and superior performance. The strut features a self-adjusting ride height, allowing for a more comfortable ride, and it is corrosion resistant for long-lasting durability.