KW’s sleeve kit for the F80/F82 M3/M4 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 spring perches for the front and rear, strengthened and shortened bump stops and KW shock sleeves to protect the OE BMW dampers.The KW H.A.S. kit is EDC compatible!
Front Lowering: 0.4″ to 1.2″
Rear Lowering: 0.2″ to 1.0″