If you just buy VVDI2 basic function, you want to get the functions for BMW CAS4, you can buy this service.
VVDI2 BMW CAS4 + Function Authorization Service
If you just buy SV86-B, you want to get the functions for BMW CAS4(SV86-4), you have to buy authorization for BMW OBD SV86-3 first.
Tips: No need shipping, after you pay this service, we will open the authorization for you.Please leave the serial number after you buy this authorization.
If you have any questions, please do not hesitate to contact us.