How to solve “CGDI BMW 21E1 FEM BDC version does not support” error?
Analyze why CGDI BMW key programmer prompts “21E1 FEM BDC version does not support, please upgrade FEM/BDC first ” when you use it to program FEM /BDC key via OBD, and How to solved in step by step procedure (with images). Fact:… Continue Reading












