General description This 24 Ways Adjustable Coilovers Kit is designed specifically for BMW 3 Series models (E90, E91, E92, E93) from 2005 to 2012, providing an excellent solution for those looking to enhance their vehicle's handling and aesthetics. This kit is suitable for RWD vehicles only and is not compatible with the M3 model. Technical specifications Height adjustable: lowering 25-75mm depending on vehicle model Damping: 24 levels of rebound damping adjustable Front top mount: Pillow ball with camber plate Rear top mount structure: OE top mounts required Camber adjustable: front only Spring Rate Front: 8 kg/mm (448 lbs/in) Spring Rate Rear: 12 kg/mm (672 lbs/in) Front spring inner diameter: 70.5 mm Rear spring inner diameter: 62 mm Spring length Front: 180 mm Spring length Rear: 230 mm Spring Preload advised: 7-10 mm Shock structure type: Twin-tube Anti-corrosion finish: Anodized Aluminum and Powder Coated Carbon Steel Parts Compatibility and accessories Compatible with BMW 3