CGDI BMW “21E1 FEM BDC version does not support ” solution

Provide the reason why CGDI BMW programmer pops up “21E1 FEM BDC version does not support ” when programming key via OBD, and how to solve step by step.


Possible reason:

Because some BMW F series with FEM / BDC Immobilizer system has higher or lower firmware version, the user will get message “21E1 FEM BDC version does not support, please upgrade FEM BDC first ” when using CGDI BMW to program key via OBD. then many users tend to think their FEM/BDC is not supported by CGDI BMW and miss the chance to earn money. In the following parts, I will show you how to solve this problem.


Solution provided by engineer:

  1. Ensure the BMW has correct voltage, plug CGDI BMW to the OBD2 port of to BMW.



  1. Click on “FEM / BDC key Match”, you may get message “FEM/BDC version is not supported, please upgrade FEM/BDC first”.

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  1. Turn on the ignition switch, open the door, click on “F /G series program”.


Choose “2 . FEM _Body”, then “Begin Program”.

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  1. Turn on the ignition switch, open the door, click on “F /G series coding”.



Choose “2 . FEM _Body”, then “Coding”.



5.Get prompt that all are fine, follow the on-screen message to operate.

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