Seat Leon 2.0 TFSI 300hp firmware chip tuning (1037390752) for Bosch MED9.17

The chip tuning firmware package includes:
1037390752_MOD_Me&Ua.bin
1037390752_MOD_Me&Ua_E2.bin
1037390752_MOD_Ru&Eu.bin
1037390752_MOD_Ru&Eu_E2.bin
1037390752_n.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.

Please note: VAG itself recommends fuel with an octane rating of at least 95 for most engines on the list, and in some cases, 98. Using low-quality fuel on TFSI engines can lead to rapid failure, with a very high probability, even with stock fuel! Be careful!

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