The carwar.zip file you have requested: Maps Levels Missions / Conquest / C to D Titles / BF2 Carwar Map - 16.19mb is not available. Perhaps try browsing all files for the game Battlefield 2 and upload any files you want to share or are missing. This is the only information we could locate:
BF2 map release: CarWar 1.0Install:Extract content to Battlefield 2modsf2LevelsDescription:Welcome to The Dirt Hill Arena. A drive'n'shoot action map. Expect no realistic, life-like theater of war - this is more like a (deadly) wargame s A drive'n'shoot action map.