KW H.A.S kit for BMW F80/F82 M3/M4

Challenge the limits: KW H.A.S. Height Adjustable Spring kits let you adjust the ride height of your BMW F80 F82 M3 M4, so you can take charge of the road. Engineering excellence and high-quality materials mean reliable spring rates adjust harmoniously with different damper characteristics. Plus, get continuous adjustable ride height and even bump stops & dust protection to protect your factory suspension. Unleash your BMW's sporty driving behavior without sacrificing performance-oriented dynamics. KW's engineers have put this kit through its paces on the Nurburgring Nordschleife and in the KW 7-post Driving Dynamic Test Center.