Xhorse Key Tool Plus Add CAS3++ Semi Smart Key with Godiag Test Platform


How to use Xhorse VVDI Key Tool Plus Pad and Godiag CAS2/CAS3 Test Platform to add a new BMW CAS3++ semi smart key on bench?


Connect VVDI Key Tool Plus and Godiag CAS3 Test Platform via OBD2 to DB25 Cable

Connect the green and black connectors of Godiag Test Platform to CAS3 module

Connect the 12V power supply to test platform

Put the original key into the Godiag CAS2 CAS3 Test Platform coil, press the Start button, the IMMO and IDUC indicators light up, which means the original key works normally.

2.Program new key

Menu path:

IMMO programming>> EUROPE>> BMW>> Select from type>> CAS3/CAS3+ immo system>> Key function>> Start programming>> Generate keys via OBD

Main steps:

  • Step 1: Read key information
  • Step 2: Prepare dealer with programmer
  • Step 3: Add key

Step 1: Read key information

Choose the add keys method to read key information

Read the CAS info successfully, the CAS type is CAS3++ (ISTAP)

Continue to read the key info

Take away the original key from Godiag Test Platform

Save the key info after reading

Step 2: Prepare dealer with programmer

Select one unused key position

CAS key data is encrypted, support make dealer key

Put a new key into the coil of Key Tool Plus

Confirm the key is not smart

Make dealer key successfully

Step 3: Add key

Confirm the dealer key is not on the ignition switch

Write data successfully

The new dealer key is successfully written to CAS system.

Read key info. again, the new key info has already been written to CAS3 module.

Finally, put the key programmed into the Godiag BMW CAS3 Test Platform to test, the IMMO and INDUC indicators light up. The key is matched successfully to CAS3++ module.


GODIAG CAS2 CAS3 SER Semi Smart Test Platform:


Xhorse VVDI Key Tool Plus Pad Full Version: