Version 21.5, though not the newest build, is highly sought after for several reasons:
: Remove the vehicle's instrument cluster and use an EPROM programmer to read the data from the memory chip (e.g., 93Cxx or 24Cxx series). Save File : Save the extracted data as a .BIN format file. tachosoft mileage calculator 21.5 free download
: Use the programmer to write the newly calculated data back onto the chip. Version 21