General description This maXpeedingrods coilover kit is designed specifically for BMW 3 Series models, including Saloon (E90), Touring (E91), Coupe (E92), and Convertible (E93) from 2004 to 2013. It is suitable for RWD vehicles only and is not compatible with the M3 model. This kit allows for adjustable height and improved ride quality, making it an excellent choice for enthusiasts looking to enhance their vehicle's performance and aesthetics. Technical specifications Adjustable height: lowering 25-75mm Damping: 24 levels of rebound damping adjustable Top mounts: Front - pillow ball top mount with camber plate; Rear - not included Spring Rate Front: 8 kg/mm (448 lbs/in) Spring Rate Rear: 12 kg/mm (672 lbs/in) Spring length Front: 180mm Spring length Rear: 230mm Shock type: Twin tube Spring Preload advised: 7-10 mm Quantity: 2x Front coil-overs, 2x Rear coil-overs, 2x Sway bar end links, 2x C spanners Installation Professional installation and alignment are suggested for optimal