Made by the leaders of the industry, the Bilstein B8 shock absorbers are a premium shock absorber with superior internal hardware & design. Intended for M-Sport models, lowered vehicles, or those looking to upgrade to the best sports shocks for usable street/track performance. Designed for those searching for a road-biased performance gas shock yet is still comfortable and useable day-to-day. Developed and fine-tuned by Bilstein’s own engineers at the Nurburgring, their patented mono-tube technology helps to ensure the handling of your 1 Series is dramatically improved from the factory specifications. For many driving enthusiasts the Bilstein B8 shock absorber is the perfect upgrade, utilising quality components that make the original factory-fitted shocks look and feel like antiques. The Bilstein B8s are direct-replacement shock absorbers providing increased longevity and come complete with dust boot and internal bump stop.