Law / Can I register a car in Poland if I don't have a Pesel? [18]

Hey Sobieski, as i read, you imported your car from Belgium or u moved to Poland with your car. I want to bring my brother's car from Belgium to Poland. Could you please let me know how much tax, registration fee i have to pay if i want to register it in Poland. And how long i can use this car with Belgium plate in Poland