It’s a little difficult to wire BMW FRM2 ST10F269 and CG Pro 9S12 to read and write. Using a multimeter can help you find the different points easily.
BMW FRM2 ST10F269 wiring diagram
Follow the diagram to wire FRM2 module and CG Pro 9S12 programmer
Use the multimeter to complete the wiring all the time .
Read chip data successfully
BMW FRM2 also can be done with CG Pro by OBD, try it on your own.
CG Pro 9S12 Programmer Full Version with All Adapters: