KEYDIY has released a major enhancement for KD-X4 Key Programmer, introducing support for adding spare keys to BMW G Chassis vehicles equipped with BDC3 systems and BMW U Chassis vehicles using BCP immobilizers—an important advancement for professional locksmiths and automotive technicians. Key Highlights of the Update: 1. New Platform Support: Add spare keys for BMW … Continue reading New KD-X4 Firmware Enables BMW BDC3 & BCP Spare Key Addition