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.
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 obdexpress.co.uk engineer:
Choose “2 . FEM _Body”, then “Begin Program”.
Choose “2 . FEM _Body”, then “Coding”.
5．Get prompt that all are fine, follow the on-screen message to operate.