Players often go to these lengths because the M3 GTR retains its legendary power and handling from Most Wanted , making it arguably the most efficient car for winning career races if you can keep it in your save.

Ultimately, while the BMW M3 GTR isn't supposed to be used in Need for Speed: Carbon 's career mode, the dedicated modding community has made it entirely possible. While the process requires some technical effort, using a Save Editor to fix the CD-key checksum is the most direct method for existing saves.

On consoles like the , players have attempted to "swap" car codes in save games to force the M3 GTR into the shop. However, without direct file modification, the game may hide the car as soon as you enter your garage, making it unusable for a full playthrough unless you avoid the garage entirely.