Keydiy KD-X4 BMW G series BDC03 immobilizer system key programming function is ready now. Here we will show how to add a spare BMW BDC3 key using KD-X4 step by step. No need access to the vehicle, just disassemble and read data from original key.   Tools required: Keydiy KD-X4 key programmer BMW BDC3 software […]