Bilstein B6 Performance (10-Way) dampers are a performance upgrade to OE dampers and feature manual damping adjustment. The 10-way damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance (10-Way) dampers will provide improved safety and handling performance with the added benefit of world-famous Bilstein quality. PartNumber : bil31-181921 Description : B6 Performance (10-Way) - Suspension Strut Assembly Series : B6 (10-Way Adjustable) Boot Included : Blue Bellows Internal Design : Monotube Lower Mount Type : Base Cup Upper Mount Type : Stem Finish : Yellow Paint Title : Bilstein Shock Absorbers Series : B6 Performance (10-Way) California Proposition 65 : WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov Position : Front Right 2008-2013 BMW 128i Base L6.2996cc Suspension::Shocks and Struts 2008-2013 BMW 135i Base L6.2979cc Suspension::Shocks and Struts 2013 BMW 135is Base L6.2979cc Suspension::Shocks and Struts 2006 BMW 325i Base L6.2996cc Suspension::Shocks and Struts 2012-2013 BMW 328i Base L4.1997cc Suspension::Shocks and Struts 2007-2013 BMW 328i Base L6.2996cc Suspension::Shocks and Struts 2006 BMW 330i Base L6.2996cc Suspension::Shocks and Struts 2009-2011 BMW 335d Base L6.2993cc Suspension::Shocks and Struts 2007-2013 BMW 335i Base L6.2979cc Suspension::Shocks and Struts 2011-2012 BMW 335is Base L6.2979cc Suspension::Shocks and Struts