These files have been extracted from the DiRT3 game archives.
They are for modifying and re-injecting into the game as Car Selection images for custom liveries.

Pack includes tiles for cars letters A to C that are featured in the game. These are Renault Alpine A110 1600S, Audi Sport Quattro Rallye, Audi Quattro S1 Pikes Peak, BMW Z4 M Coupe Motorsport, Bowler Nemesis and Citroen C4 WRC.