12 14 700 Coding the control unit (DME/DDE) (530i 2017-2022, 530i xDrive 2017-2022, 530e PHEV 2018-2022, 530e xDrive PHEV 2018-2022, 540i 2017-2022, 540i xDrive 2017-2022, M550i xDrive 2018-2022)
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)
Follow Service Information "Diagnosis and Coding" on the topic of coding.