CG Pro 9S12 Adds Key BMW 525Li CAS4+ 5m48h No Need Other Tool

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.

This site is protected by