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 working key into CG Pro
CG Pro will read vehicle VIN, CAS version etc
Select first option “Have a working key” to add key
Then insert a new key to be programmed into CG-Pro programmer
Write key
CG Pro adds BMW CAS4+ key success.
CG Pro Supported BMW Key Programming Car List:
BMW CAS3 YES
BMW CAS3+ YES
BMW CAS4 YES
BMW CAS4+ YES
BMW EWS4
BMW EWS3
BMW EWS2
(Program key via eeprom data）
CG Pro can adds Benz and Porsche keys after getting eeprom data as well.
http://www.key-programmer.org/2018/06/22/cg-pro-9s12-adds-key-bmw-525li-cas4-5m48h/