Bosch MG1CS163 — online firmware checksum recalculation. Compatible vehicles: Audi, Cupra, Volkswagen. Upload MOD and ORI — result in a second, preview is free.
The plugin is already selected. Upload your MOD and ORI firmware — you'll get the result in a second.
Bosch MG1CS163 — a latest-generation petrol ECU on the Infineon AURIX (TC2xx/TC3xx). Its protection is multi-layered: a CRC, a digital signature and container checksums — recalculation is mandatory after any change to the dump.
This unit is found on бензиновых vehicles Audi, Cupra, Volkswagen (2019–2022) — a total of 6 models, among them Audi RS3, Cupra Formentor VZ5, Volkswagen Golf R, Audi TT RS, Audi S3, Volkswagen Tiguan R, with power output of 310–400 hp
Recalculation is needed after any calibration edit — Stage 1 (RS3: 400 → 480 hp / 500 → 600 Nm — впечатляющий headroom), Stage 2 (с downpipe + intake — RS3 530 hp), Stage 3 (с upgraded turbo — RS3 650+ hp), Pop & Bang (5-cyl distinctive sound), Launch control / RPM raise, OPF removal (gasoline particulate filter), Speed limiter off (250 km/h), Cold start delete, DSG DQ381 software (отдельный плагин), Sport+ map / Race map (custom mode): the checksum no longer matches, and the ECU throws an error or refuses the firmware.
Upload the modified file (MOD) and the original (ORI) — the tool compares them, finds the affected regions and recalculates only the required checksums, leaving the rest of the calibration untouched. The result is ready in a second and free; downloading the fixed .bin requires registration in the portal.
Other checksum plugins from the same manufacturer — open any of them to recalculate the checksum.