For 2011 BMW 1 Series M Base L6.2979cc. for 2008-2013 BMW 128i Base L6.2996cc. for 2008-2013 BMW 135i Base L6.2979cc. for 2007-2011 BMW 328i Base L6.2996cc. for 2009-2011 BMW 328i xDrive Base L6.2996cc.
I installed this product on E90 335i. Although installation is relatively easy, it is hard work because it is necessary to lower the rear subframe. The effect is relatively easy to understand and there is improvement of traction. I think that it is a recommended upgrade without big noises etc.