EA Play / Origin loves to sync your "old" save over your "new" edited save.
Here’s a useful, practical review of (such as NFS Heat Save Editor by aNebular or similar tools), focusing on how they work, their usefulness, and important caveats. nfs heat save game editor work
But with great power comes great responsibility. If you edit your save and then crash into a new player in a multiplayer lobby while bragging about your "skills" in a car you didn't earn, you are missing the point of racing games. EA Play / Origin loves to sync your
: Use Cheat Engine to find your unique User ID while the game is running, or find it in your EA App cache files. If you edit your save and then crash
: Drag and drop the modified save files into the game’s directory, selecting "Replace the file in the destination" when prompted.