The Bilstein B4 OE Replacement 02-08 BMW 745LI Base V8 Rear Shock is a high-performance, direct-fit replacement shock absorber designed to provide superior ride quality and stability for the 02-08 BMW 745LI Base V8. This shock absorber features a monotube design with a gas pressure system that reduces the harshness of road imperfections, providing a smoother ride and improved handling. The shock absorber is constructed from high-quality materials for superior durability and long-lasting performance. This shock absorber is designed to meet or exceed original equipment specifications and is backed by a limited lifetime warranty.