KW Height Adjustable Spring Kit - BMW 3 Series G81 M3 CompetitionKW Height Adjustable Spring Kit For improved looks and more driving dynamics in OEM quality. KW height adjustable springs kits are a great alternative to conventional springs. You dont have to be satisfied with a fixed lowering as you can adjust the height with the KW height adjuster even after the kit has been installed. Your vehicle does not only get a more dynamic look with the KW height adjustable spring kit, but also the steering behavior and