Fits 2013, 2014, 2015, 2016, 2017 BMW 3-Series(F30) xDrive Only;Average Lower : Front: 0.8" Rear: 0.6" ;Spring Rate(kg/mm) : Front: 3.70 | Rear: 9.50. Godspeed Project's performance lowering springs are cold wound on coil winding machine with SAE 9254 spring wire material, one of the ideal materials available.
