BMW 3 Series (E30, 1982–1994). The classic E30, a benchmark for balance and feel. Explore JRZ’s handbuilt coilovers for the E30, custom-valved and adjustable up to 3-way double-adjustable for street, track day, and competition use. As the official U.S. JRZ distributor, we help you spec the right kit and valving, with expert setup support and fast shipping.