Hello! You should ask next documents from the seller: - The contract of sale or an invoice - The registration certificate (Registreringsbevis). This needs to be the original. If several parts are issued, all need to be sent - The seller is not legally obliged to provide the European Certificate of Conformity (COC). If no COC is available from the seller, you can contact the manufacturer in your country of residence. If the manufacturer cannot provide a COC, you can ask a technical service in Sweden or in your home country.
Every buyer has to remember the list of documents he/she needs while buying a car abroad.These are the original Certificate of Title or a certified copy of the original, and two complete copies of the original Certificate of Title or certified copy of the original. The vehicle must be presented on the day of export at the appropriate place, along with the attached form, for examination and verification of the VIN. Remember, many borders, especially ports do not process cars for export on weekends; call ahead to make sure your schedule will conform to the business hours of the port you will be exporting through. Also, to help speed up the inspection process, please have the attached form completed prior to arrival at the port.
You actually have to ask the car manufacturers how to do it precisely or if it is a Volvo or Saab, or a Scania truck, then just find the nearest dealer. If you want to buy a Koenigsegg, which I am glad for you, then you have to contact them directly. Good luck in driving.