N54: bmw 335i N54 CAS Vin match Programming

Hi guys,

I purchased a car and found out that the CAS vin doesn't match my car's VIN. The car is running fine but when trying to flash my XHP it reads 2 vin and won't let me flash on the right VIN. I would have to buy 2 license for both VIN. My question is : I have INPA and ncs and all the other software. Can I match the vin from my CAS myself and still have the car running or I will have to go to the dealership?

Thank you