Xhorse VVDI Key Tool Plus Program BMW F30 FEM All Keys Lost via Godiag FEM/BDC test platform successfully.
You cannot do it via obd fem. You opened fem module to read and write eeprom files.
You can do bench via godiag test platform.
Procedure:
1.Backup coding
2.Service mode, read eeprom data, load eeeprom and prepare service EEPROM, write service
EEPROM data, restore FEM/BDC shell, provide 12V+ and connect OBD.
3.Unlock FEM
4. Write back EEPROM
5. Recovery coding
If you read the warning it says if obd pre processing you can ignore that.
Images attached:
