Every TRW part has four levels of testing/technical/audit review before approval is given including endurance testing of 500K cycles TRW range of tie rods include the latest high performance designs, OE quality materials, and meet or exceed OE standard for quality and performance Long lasting dust covers made from the highest quality rubber, improving reliability and life-span of the part For confirmed fitment of this TRW Automotive Steering Tie Rod End please verify your vehicle with the Amazon 'Check Fit' option Fits: BMW 1 Series M: 2011, BMW 128i: 2008 - 2013, BMW 135i: 2008 - 2013, BMW 135is: 2013, BMW 323i: 2006 - 2010, BMW 325i: 2006, BMW 328i: 2007 - 2013, BMW 330i: 2006, BMW 335d: 2009 - 2011, BMW 335i: 2007 - 2013, BMW 335is: 2011 - 2013, BMW M3: 2008 - 2013, BMW X1: 2013 - 2015, BMW Z4: 2009 - 2016