Here’s the factory guide on BMW CAS3+ key programming (add key & all keys lost) by using CGDI Prog BMW key programmer.
1.Add key with working key
Connect CGDI BMW with vehicle via OBD diagnostic socket
Open cgdi software, select “BMW OBD KEY MATCH”
Click ‘ Read key info ‘
Pls pop up the key from the ignition,the data was read successfully
Save the data
Select the key to program and click to generate the dealer key
Put the working key into the CGDI BMW programmer coil
The working key is being read
put the blank key into the CG-DI programmer coil
We choose to program the ordinary key , click ‘ no ‘
Note: If the key is a smart key ,it will be locked.
Please wait until the key is programmed
Key programming success
After learning, it can be used normally.
2. Program CAS3+ all keys lost
Using CG100 Prog III to confirm engine model
Read engine computer data (EEPROM)
Note: only with CG-100 full-featured version
Click to enter “ECU”
Click on the engine model option to enter the current vehicle
According to the software physical wiring diagram wiring
Engine module wiring
Click read EEPROM
Read successfully and save the data
Show ISN and VIN
Connect CGDI BMW with vehicle via OBD socket
Click on the “BMW OBD KEY MATCH”
Click read key info
Pls pop up the key from the ignition,the data was read successfully
Save the data
Select the key to program and click to generate the dealer key
Select the engine data, next load the engine data
Open the engine computer data that was read before
Pls put the blank key into the CG-DI Programmer coil
We choose the ordinary key to program
Note: the smart key will lock the key to unlock the key.
Key programming success.
After learning, it can be used normally.