ST Suspensions ST Adjustable Lowering Springs - 2015-2020 BMW M4 Convertible YMM_2013_2021_Mercedes_Benz_S_Class_AMG_W222 The Bilstein B4 OE Replacement

The Bilstein B4 OE Replacement Dampers incorporate advanced engineering and high-quality materials to deliver exceptional performance and longevity

Rear Lowering Rate 1

corrosion-resistant cast iron or aluminum housing designed for longevity and consistent performance

Direct bolt-in installation for a straightforward upgrade

BMW 428i/435i/430i/440i Gran Coupe F36 (14+)

ST Suspensions ST Adjustable Lowering Springs - 2015-2020 BMW M4 Convertible YMM_2013_2021_Mercedes_Benz_S_Class_AMG_W222 The Bilstein B4 OE ReplacementOur ST Adjustable Lowering Springs for the 2015 2020 BMW M4 Convertible allow seamlessly adjustable lowering on vehicles with or without electronically adjustable dampers. They essentially turn any standard suspension into a coilover kit! Our new ST Adjustable Lowering Springs are now available for a variety of makes and models. The innovative ST threaded sleeve provides perfect fitment no matter if your car is equipped with standard shocks or an