Performance tune for S55 - F80 F82 F83 F87 M2 M3 M4

This is our tried and tested tune for the S55 platform. These tunes were designed on a Dynojet dyno and tested in the real world!  PLEASE NOTE: 2021 MODEL YEAR M2 COMPETITION REQUIRES AN ECU BENCH UNLOCK BEFORE TUNING IS POSSIBLE. FOR MORE INFORMATION PLEASE EMAIL sales@rktunes.com ALL TUNING IS DONE VIA MHD ONLY. THIS REQUIRES YOU TO HAVE AN ENET OBD2 ADAPTER, AND THE CORRECT LICENSES FROM THE RESPECTIVE TUNING PLATFORM. IF YOU HAVE ANY QUESTIONS PLEASE CONTACT US BEFORE PURCHASING. KEY FEATURES: ⦁ Increased boost pressure ⦁ Top speed governor removed ⦁ Increased RPM rev limit ⦁ VANOS cam timing adjustment ⦁ Improved throttle response ⦁ Increased valvetronic valve lift ⦁ Ignition timing enhancements ⦁ Air/Fuel Ratio enhancements OPTIONS:  Fuel - Selectable fuel octane rating (91, 93) - E85 tuning also available Burble -  backfire when lifting off throttle. we can modify the level of burble you request Flex Fuel capabilities - (REQUIRES ECA KIT VIA MHD OR BM3) No longer do you have