BMW (F90) M5 ECU TUNING SOFTWARE (2017+)Overview BMW F90 M5 4. 4 L V8 Twin Turbo S63 2017 Present HEX Tuning for the F90 M5 is now available as a DIY user installable flash. Place your order and receive our OBD2 HEX Flash cable by mail to read and write files from your vehicle using a windows PC. HEX Tuning is Expertly calibrated and extensively tested to provide noticeably improved throttle response with increased horsepower and torque, all while preserving your OEM like drivability and
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