DME DOWNGRADE SERVICE (BMW)This is for Bosch MG1 pre 6 2020 manufactured date and B58tu Platforms (M340i, GR Supra) How it works This service requires us to plug directly into the ECU DME for the unlock or downgrade. If you are not local you will need to ship us the ECU DME. EcuTek: If you have EcuTek and need the Cal Downgraded for specific reasons (Racerom issues, Port injection issues, Cam roll issues) The latest dealer flash gets patched to enable OBD programming. A EcuTek
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