The sudden_impact.zip file you have requested: Maps Levels Missions / Miscellaneous / Sudden Impact (1.0) - 83.8mb 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:
Download the zip file to your desktop. Unzip the map folder and drag/drop it into the Levels folder of your BF2 installation. Sudden Impact is a custom BF2 turbo jeep racing map.