Audi R8 4.2 FSI chip tuning firmware 1037394873 for Bosch MED9.9

The chip tuning firmware package includes:
1037394873.bin
1037394873_MOD.bin
1037394873_MOD_E2.bin

The Ru&Eu versions are intended for use in regions with moderate climates and high-quality fuel with an octane rating (RON) of at least 95. The Me&UA versions are intended for use in regions with hot climates and lower-quality fuel with an RON of 92-95.

stock or ori - standard ECU firmware
mod - tuning firmware
E2, E3, E4 - emission standards Euro 2, Euro 3, Euro 4.