ChipTuningPRO 7.2026.123.5916 Update Released (September 15, 2026)
New Bosch MD1, MG1, EDC17 Firmware Support and M74.9 OLT Improvements
A new version of professional ECU tuning software, ChipTuningPRO 7.2026.123.5916, has been released. This update expands firmware and calibration support for Bosch MD1, MG1, EDC17, ME17, and M74.9 ECUs, introduces new M74.9 OLT engineering firmware, and includes corrections for Bosch MSE3.0 maps.
Key Updates and Improvements
- Applied corrections to Bosch MSE3.0 calibration maps
- Added new calibrations to the M74.91 T001_24_w2504v01 map
- Added firmware support I925NA01 L041_34_w2541b3 to the M74.9 module
- Added M74.9 OLT engineering firmware based on I925NA01
- Added firmware support S12091TEST, S12384TEST, 10SW066291, 10SW119241, and 10SW106970 to the Bosch MD1CS089 GAZ/CHINA module
- Added firmware support R4C9F493B to the MG1CS201 BMW module
- Added firmware support 7HHD0 to the Bosch EDC17C50 BMW module
- Added firmware support ECKT03J3 to the Bosch ME17.9.21 HK module
- Added firmware support F05H00044B to the MG1UA008 CHINA module
- Added firmware support C1133Q5O5 to the EDC17CP44 VAG module
M74.9 and OLT Improvements
The M74.9 module has been expanded with support for the I925NA01 L041_34_w2541b3 software version. An engineering firmware based on I925NA01 has also been added to the M74.9 OLT module, extending the capabilities available for online ECU tuning and calibration work.
Additional calibrations have been implemented for the M74.91 T001_24_w2504v01 map.
Expanded Bosch MD1, MG1 and EDC17 Support
The Bosch MD1CS089 GAZ/CHINA module receives a significant compatibility update with support for five additional software versions: S12091TEST, S12384TEST, 10SW066291, 10SW119241, and 10SW106970.
BMW ECU coverage has also been expanded with R4C9F493B support for MG1CS201 and 7HHD0 support for Bosch EDC17C50.
Additional firmware support has been introduced for Bosch ME17.9.21 HK, MG1UA008 CHINA, and EDC17CP44 VAG platforms.
Benefits for ECU Tuning Professionals
The ChipTuningPRO 7.2026.123.5916 update provides broader ECU firmware compatibility and additional calibration capabilities for specialists working with BMW, VAG, GAZ, Chinese-market vehicles, and other supported platforms.
The new firmware coverage and M74.9 OLT improvements expand the capabilities of ChipTuningPRO for professional ECU tuning, calibration, chip tuning, and ECU remapping.
