Set Full Coilover Absorbers Suspension For 2006-2013 BMW 3-Series E90 E91 RWD

ONE YEAR WARRANTY Application: for BMW 3-Series(E90/E91)(RWD) 2006-2013 Quantity:2 piece front + 2 pieces rear Spring rate Front:10kg/mm(560 lbs/in) Spring rate Rear:8 kg/mm (448 lbs/in) Damper:Non adjustable damper Adjustable height:Yes Adjustable camber plate:No Feature: Adjustable ride height Adjustable pre-load spring tension Pillow ball top mount -- this design helps combat noise while tuning. It also improves the steering feel and response Most components are made from 6061 aluminum with T6 for increased hardness -- the advantages include excellent strength, and aluminum helps keep the weight down Hign Tensile performance spring - Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, the special surface treatment is to improve the durability and performance All inserts come with fitted rubber boots to protect the damper and keep clean A fast and affordable way to easily upgrade your car\'s appearance Easy installation with right tools Ideal for any track, drift and fast road and can also be used for daily driving