Problem: when flashing, CGDI BMW failed after writing cal file, CGDI asked to write back original eeprom file which I did, I did not mean its failed when writing back ori to eeprom.

I can’t start over because cgdi put me right where you add keys.

Solution:

Go to program F series and reflash it.

Follow this article on how to use CGDI BMW to program BMW F series:

http://blog.cgdishop.com/how-to-program-bmw-f-series-by-cgdi-bmw/

Hope it helps!