ECU CalibChange Tool — M74/M73 calibration editor (K-Line & CAN)

ECU CalibChange Tool — M74/M73 calibration editor (K-Line & CAN) 2025-11-06

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ECU CalibChange Tool — M74/M73 calibration editor (K-Line & CAN)

ECU CalibChange Tool — M74/M73 calibration editor (K-Line & CAN) 2025-11-06

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  • Start date Start date
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New release thread for ECU CalibChange Tool — M74/M73 calibration editor (K-Line & CAN): discuss, share feedback, and get help.


ECU CalibChange Tool — M74/M73 calibration editor (K-Line & CAN)​

Offline calibration/option editor for Bosch M7.9.7 (M74) and M7.3 ECUs; supports dozens of firmware

Quick intro
ECU CalibChange Tool by KAZi is a compact utility for viewing and editing certain calibration/options areas in Bosch M7.9.7 (M74) and M7.3 family ECUs used on CIS-market vehicles. Works offline with BIN files; intended for advanced users who already know how to read/write ECU memory with external tools.

View attachment 1431

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  • Overview & screenshots
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