Navigate to the "Garage" or "Car Editor" tab within the software interface.
Select an existing tier-one car in your inventory and change its internal ID model to bmwm3gtr . nfs carbon bmw m3 gtr in career save game
After editing, disable Autosave until you confirm the car works. And remember—always respect the canyon. One wrong drift, and even the M3 GTR won’t save you from falling 1,000 feet. Navigate to the "Garage" or "Car Editor" tab