KW H.A.S. Coilover Adjustable Spring Kit BMW G80/G82/G87- 253200EBKW Height Adjustable Springs are a great way to give your G8X M3 M4 a lowered look without spending the money for a full coilover kit. Included in this pack you get high quality KW springs and threaded collars that work with your OEM dampers to give you a sporty but comfortable ride that will improve your vehicle's handling and give it an aggressive feel. For vehicles equipped with electronic dampers from the factory, KW's sleeve kit for the G80 G82