In this article cgdishop share a guide on how to use CGDI BMW,CG Pro,CG-100 to program new keys for BMW CAS4+ all keys lost.
Step 1:Read CAS4+ Immobilizer Data
Remove CAS4+ module from vehicle
Disassemble cover and take out PCB
Run CG Pro software,and follow the software wire connection diagram to build connection between CG Pro 9S12 and CAS4+ module
Operate CG Pro software to read out and decrypt immo data,then save the data on your laptop
Note:Don’t forget to make backup before operation.
Step 2:CG-100 read ECU data
Run CG-100 software,and select “ECU”
Select “BMW E series”à” MEVD1724(N20)”
Then follow the software wire diagram to connect CG-100 to MEVD1724(N20) ECU
Click “Read EEPROM”
After reading ECU data successfully,save the ECU data file on your laptop.
CG-100 will show ISN and VIN
Note:CG-100 full version support this function.
Step 3:CGDI BMW Program Keys
Connect CGDI BMW to laptop and run CGDI BMW software and select “CAS4 Key Match”
Select “Load CAS Data”
Note select the immo data you save on step 1 to load
Then CGDI BMW software will show relevant information
Select the key position that need to be configured,then click “Generate dealer key”,and the select the way to input “ISN” code,here select “With the engine data,the next step is to load the engine data”
Now load the ISN file you saved in step 2
Input a blank key into CGDI BMW slot,and click “OK” to start programming
After programming successfully,it will prompt you new key programming successfully.
To end by test this new key on your BMW.