2008-2013 BMW 135i OEM Rear Differential Assembly. Removed from a 2011 BMW 135i Convertible with 43k miles. Will ONLY fit 135i models equipped with the DCT automatic transmission. This differential has a final drive gear ratio of 2.56. Will NOT fit the manual transmission equipped vehicles. In good physical condition with no damage or excessive surface rust on the housing. Fluid has been drained with no excessive metal shavings or abnormalities. Will ship drained of all fluid. You will need to reuse some of your existing hardware for installation.Fits:2008, 2009, 2010, 2011, 2012, 2013 BMW 135i (w/ DCT automatic transmission)B1006mm