Bosch 8HP70 — online firmware checksum recalculation. Compatible vehicles: Alpina, Aston Martin, BMW, Chrysler. 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 8HP70 — after a calibration edit the firmware checksum must be recalculated, otherwise the unit may reject the file.
This unit is found on бензиновых и дизельных vehicles Alpina, Aston Martin, BMW, Chrysler, Dodge, Great Wall Motors, Iveco, Jaguar, Jeep, Land Rover, MAN Truck & Bus, Maserati, RAM Trucks, Rolls Royce, Volkswagen (2009–2021) — a total of 79 models, among them Alpina B3, Aston Martin Rapide S, BMW 3-Series, Chrysler 300C, Dodge Challenger, Great Wall Motors Haval H8.
Recalculation is needed after any calibration edit — Stage 1, Stage 2, DPF off, EGR off, AdBlue/SCR off, DTC removal, Flap off, Lambda off, Speed limiter off, Torque monitor off, Hot start fix: 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.