The Bilstein BTS Suspension kit provides a dramatic increase in your vehicle's performance handling characteristics with vehicle specific tuned sport level valving. The BTS system consists of four coil springs with a specially-tuned spring rate and Bilstein's monotube gas pressure shocks or struts and provides a lower stance and firmer ride for better road handling and control. > Precise responses, excellent driving dynamics and added safety. > Uniform lowering of approx. 30 mm from stock. > The sport level valving is specially tuned for the specific vehicle application. > Quality sport springs made from highly durable material. > Springs and absorbers are road-tested by BILSTEIN engineers to complement one another perfectly. > Monotube gas pressure technology. > BILSTEIN Triple-C Technology® > BILSTEIN inverted monotube technology, made in Germany. Fits E30 vehicle except Touring and Convertible
