Bilstein B12 1997 BMW Z3 2.8i Front and Rear Suspension Kit 1997 BMW Z3 2.8i Roadster VIN: 4USCJ332XVLC00590 for Sale Cars & Bids 46 189516 Bilstein B12 Pro Kit Suspension System Z3 Coupe Turner B12 Bilstein PRO KIT Buy Porsche 997 (911) MK1 2005 2008 997 Carrera 4 3.6L 2005 08 Bilstein. The Bilstein B12 (Pro Kit) is the result of two companies atop their industries collaborating to present the ultimate solution in suspension for the passenger car market. The shock absorber experts at Bilstein and the spring professionals at Eibach used their 120 years of combined experience and knowledge to spawn Performance2. The B12 system consists of four high performance Bilstein dampers, four hi tech industrial Eibach lowering springs and together you have the best handling, most comfortable direct fit suspension system available today. This Part Fits: Year Make Model Submodel 1997 2002 BMW Z3 Roadster