Vvdi2 touareg add new key from vw dealer .over obd port 

here you can see how easy is to add key from dealer over obd port.
china key also possible but need have good quality,and first make dealer key on china key.
my two test key from keyecu.com for vw touareg have very nice optik but dont works.cant turn on ignition with it.
so beware the quality of your key seller!!!