The latest versions of these editors often go beyond just markers. You may find options to: Unlock all car parts and vinyls. Modify your current Bounty or Cash. Change your Heat level instantly. Reset your "Times Busted" statistics. Compatibility and Mods
The editor changes the map, not the save file. If you create a race marker on a rooftop, but your save file has a car stored in a garage far away, the game will load fine. However, if you try to start a pursuit where there is no police spawn logic, the game soft-locks. nfs mw marker editor