The Bilstein B12 (Pro-Kit) suspension kit for 2012–2015 BMW 335i pairs Bilstein B8 Performance dampers with Eibach Pro-Kit springs to provide a complete lowering solution tuned for the application. The kit offers a fixed moderate drop—typically between 24 and 40mm depending on fitment—and delivers tuned dampers and progressive springs to improve stance, handling response and predictable control for the specified BMW 335i models.
Bilstein B12 12-15 BMW 335i Front and Rear Suspension Kit