In addition to installing performance tunes, the i3 retrieves diagnostic data from a vehicle via the OBD-II connection. It has the ability to check and clear diagnostic trouble codes and records key performance data parameters to use during your tune altering process. All data can be exported a PC and used with DiabloSport's free Data Viewer logging software to allow detailed examination of graphing readouts for live display or playback. A new intuitive online update feature allows you to easily keep your i3 software updated via Wi-Fi and provides extended vehicle coverage, new features extends the product warranty and much more.