For advanced users, manual hex editing removes the corrupt value directly from the profile. Open your .bco save file in a hex editor like .
: Use the editor to modify the "heat" level on your career cars. Setting these back to a standard value (like 1.0) can often override the "invalid" data that causes crashes. Nfs Carbon Save Editor Invalid Car Heat Value
The game likely expects a value between 0 and 5 (or possibly 0–10 depending on mods). For advanced users, manual hex editing removes the
: Desync between the save file and the system's registry CD key. For advanced users