Advanced tuning for Harley-Davidson®
- Map flashing from database.
- By this method of the tuning is possible to use full range of DIAG4TUNE functions.
- The method provides ability to use an embedded database of calibrations.
- These calibrations (maps) are pre-set for several configurations of exhaust and intake components (openexhaust, intake and combinations).
- Advanced tuning method provides important improvement of engine functions.
- The best engine efficiency is possible to rich only by using PROFESSIONAL TUNING method.

Necessary Tuning Components
Advanced tuning
AT531 4094 - Multi Dongle
- Hardware key
- The key function of the Multi Dongle is saving of the original EFI calibration.
AT531 5049 - Software Harley-Davidson® & Buell® + VCI
- Is tuning software that is embedded in DIAG4BIKE
- For the proper function you need a valid licence
AT532 5006 - DIAG4BIKE USB (VCI)
- The kit contains a communication interface with the necessary adapter(s),a USB cable for connection to your laptop (or PC) and diagnostic software that is compatible with Windows 10 and 11
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VCI = Vehicule Communication Interface
AT532 5007 - DIAG4BIKE BT (VCI)
- The kit contains a communication interface with the necessary adapter(s),a USB cable for connection to your laptop (or PC) and diagnostic software that is compatible with Windows 10 and 11
- There is also a wireless Bluetooth version of the communication interface available.
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VCI = Vehicule Communication Interface