12 14 700 Coding the control unit (DME/DDE) (M4 2021-2023)
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
Switch off ignition .
Connect diagnostic system.
Switch the ignition on.
Select "coding" program.
Follow the instructions in the diagnostic system.
Adjust the following control units:
- EWS (electronic immobilizer)
- DME (Digital Motor Electronics) or
- DDE (Digital Diesel Electronics)