Compatible with: Front strut shock absorber with coil spring compatible with BMW 330i 330Ci 325i 325Ci 320i 2001-2005, for BMW 323Ci 328Ci 323i 328i 2000. Note: only fit RWD CHASSIS #E46 Replace Number: Replacement for 171581, 171582. Check the quality before leaving the factory to ensure that it meets the needs of the car. Premium Material: Front Left and Right Strut are made of high quality material, It can be applied to a variety of bumpy environments, making your journey smoother and longer service life. New design: The hydraulic Shock Absorber adopts the latest design, through the coil spring on the shock absorber to buffer a large impact force to multiple small impacts, and then through the damping force provided by the hydraulic oil in the shock absorber to absorb the small impact force into the heat release into the air to play the role of shock absorption. Package and Service: 2x Front Strut & Coil Spring Shock Assemblies.