I agree with Q. This thread is about my install of the JB4 and questions and experiences I and others have about the install and use. But, in the end whatever floats your boat. It is an open forum I guess.
2013 535i xDrive, Imperial Blue Metallic, Oyster and Black Nappa Leather, ZCW, ZDA, ZDH, ZLS, ZMP, ZPP, ZTP, 2TB, 323, 416, 4CE, 4U1, 5AC, 677, JB4 Tuner