Coilover Compatible for BMW 3-Series(E90/E91)(RWD) 2006-2013

[description]ApplicationCompatible for BMW 3-Series(E90/E91)(RWD) 2006-2013NOTE: Not Compatible for BMW 325i 2006SpecificationsQuantity: 2 piece front + 2 pieces rearSpring rate Front: 10kg/mm(560 lbs/in)Spring rate Rear: 8 kg/mm ​â€?448 lbs/in)Damper:Non adjustable damperAdjustable height:YesAdjustable camber plate:NOCondition: 100% brand newWarranty: 1-year warranty for any manufacturing defectAccessories: You will get exactly as shown in the picture aboveFeatureAdjustable ride heightAdjustable pre-load spring tensionMost components are made from 6061 aluminum with T6 for increased abrasion --to be more excellent strength, and aluminum helps keep the weight down.Hi-Tensile Performance spring--Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, special surface treatment is to improve production and Performance.All inserts come with fitted rubber boots to protect the damper and keep it clean.Improve your handling performance without sacrifice a comfor