The BF2_dirtbike.zip file you have requested: Modifications / Miscellaneous / Battlefield 2 Dirt Bike Mod - 2.79mb 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:
Pros Fast,maneuverable,bots use them,climbs most hills,+1 passenger. Cons No weapons for driver or passenger,destroyed with one anti vehicle projectile. Install 1. Open the zip and drag the folder into your bf2 or mod directory. eg. GAM Satnav from the Battlefield Singleplayer community has released a BF2 dirt bike mod.