The Bilstein B12 Pro-Kit complete suspension kit for 2012–2017 BMW 640i/650i pairs Bilstein performance dampers with Eibach Pro-Kit springs to deliver a moderate fixed lowering between about 24–40mm depending on application. Dampers and springs are tuned per vehicle to preserve predictable control, improved driving dynamics and a lower stance without compromising driving stability.
Bilstein B12 12-17 BMW 640i/650i Front and Rear Pro-Kit Suspension Kit