Motor City Online hacked!
Let's go back in history)
Recently, it became known that the team from ND4SPDWorld has cracked MCO for single-player! There are also patches that unlock all cars and tracks, along with add-ons and the cut track "Derby".
Game launcher
Files for the launcher
Latest update for MCO
Unpack this file into the folder with MCO.
Patch to unlock cars for tracks
Unpack all these files into the folder with MCO. And remember - Motor City Online must be fully installed!
Full version of Motor City Online

Info taken from the site nfs4.3dn.ru
Author: mvv0105_MineBug