The Bilstein B12 1999 BMW 323i Base Convertible Front and Rear Suspension Kit is a complete suspension upgrade for your BMW 323i. This kit includes Bilstein B12 shocks and struts for the front and rear of your vehicle, as well as new springs and sway bars. This kit is designed to improve the handling and stability of your BMW, while also providing a comfortable ride. The shocks and struts are made from high-quality materials that are designed to last and provide a long service life. This kit is an ideal choice for those looking to upgrade their suspension for improved performance and handling.