BMW 1 Series (F20, 2011–2019). A rear-drive hatch with genuine chassis potential. Explore JRZ’s handbuilt coilovers for the F20, custom-valved and adjustable up to 3-way double-adjustable for street, track day, and competition use. We are the official U.S. JRZ distributor, so you get expert spec, valving, and setup support with quick shipping.