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29
June
2026
Bosch MDG1 No RFT in Flex
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Version 8.0.0.0

You can unlock and program Bosch MDG1 control units directly in your workshop, without the RFT service.

The new Boot solution for FLEX supports Bosch MDG1 ECUs equipped with Aurix TC2xx microprocessor installed on VAG, BMW, Stellantis (FCA/PSA), Kia/Hyundai, and JLR vehicles, allowing to work freely on your own, with the fastest intervention time and full operation control.

The procedure consists in unlocking in Boot mode. Once the unlock is complete, you can proceed with read and write operations in Bench, working in total autonomy, with the fastest intervention times and without the need to open the unit at every operation.

This solution is already available for the majority of Bosch MDG1 units equipped with Aurix TC2xx microprocessor.

As for models that are not supported yet, compatibility will be progressively expanded with the next updates and new accessories.

This new support is reserved to customers with Full FLS0.5M and FLS0.5S licenses.

Please note: The connection procedure to the ECU might take some minutes. The connection is established through the port E, using the FLX4.1 adapter included in the Flex kit. 

Key insights

Some of the supported vehicles

FLEX Master
FLEX Slave

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