The list of car manufacturers who count on Bilstein experience and know-how, stretches from Smart to Ferrari. Porsche for example has relied on Bilstein for it's 911 for decades. Jaguar big cats only run with Bilstein paws. Next to Bilstein there is hardly another brand in the auto-motive environment, that can demonstrate such a long and successful career in motorsport. By tradition Bilstein is the Partner in popular motorsport. Bilstein B4: A high quality OE replacement damper at a great price. Bilstein B6: An uprated sports damper for drivers who do not wish to lower their car and want to maintain a standard ride height. Bilstein B8: An uprated Sports damper aimed at drivers who wish to use in combination with lowering springs.