CG Pro 9S12 is not only an eeprom/ecu programmer, but also mileage and key programmer. Here’s is the new test report on BMW 525Li CAS4+ smart key programming using CG-Pro stand-alone. Remove CAS4+ Connect CG Pro with CAS4+ via DB25 connector Open CG Pro software Select Vehicle->Anti-theft->BMW ->CAS4-5M48H Click on Read Key Insert a…