Version 1.1 Felt a lil rough in the mid range and could use more top end. Forgot to mention that I have a ARM upgraded FMIC too.
2011 535i xdrive n55 pwg 3.0l Stage 2 91oct tune. FTP full intercooler/ charge pipe kit. Vrsf down pipe, gfb+ dv valve, Ngk 2 step colder spark plugs, Bms intake.