VVDI2 Program BMW CAS4 CAS4+ Key via OBDII Step by Step

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Here's demo tutorial on reading & programming a new BMW CAS4/CAS4+ key with Xhorse VVDI2 by OBD cable step-by-step. Similar procedure goes to CAS4/CAS4+ all keys lost as well (require ISN code).

 

Model example: BMW 730LD

Requires latest version VVDI2 software (6.6.1 or above)

Procedure:

Launch VVDI2 software, go to BMW function

Connect VVDI2 key programmer with vehicle via OBD cable

Press Connect 

Select Key Learn->CAS Key Learn function

Select Car Type: CAS4/CAS4+- F-Series and Get Key Info

Read vehicle information. Follow instructions on the bottom

Prepare dealer key and reset KM require unlock CAS4.

Select Unlock CAS4/CAS4+ function

It takes about 10 minutes. You must provide extra power to car before programming.

(If all keys lost, press brake and open lights to activate communication. )

Unlocking CAS4 in process

CAS4/CAS4+ unlock complete. Now we can make dealer key via OBDII.

Select a unused key position and press Prepare dealer key with programmer.

Here we choose Have a working key.  Switch ON ignition with working key and continue. Press Next.

If lost all keys, select Known ISN (need to read ISN code first)

Insert working to ignition switch and press OK

Save security key information

Insert original key to VVDI2 programmer and press OK

Put a new key into VVDI2

Write key success.

Test the new key. No need to write back eeprom.

The new key can start vehicle.

Remote control works as well.

Done.