KW Height Adjustable Spring Kit H.A.S. - BMW G80 M3 G82 M4KW Suspension Part # 253200EB Fits all RWD & AWD models, including Competition KW's sleeve kit for the G80 G82 M3 M4 RWD and X Drive allows a large range of height adjustment while retaining the factory electronic damping control. The factory spring perches are removed from the front dampers, and KW's own threaded height adjustable perches are installed. The kit includes progressive rate lowering springs for each corner of the car, height adjustable