Quote Originally Posted by ricorico View Post
How do I download a map oCosta Rica onto a garmin c330 ? I know a guy in CR who has one on his but wants to charge me for this info
Just download unlocked IMG, unpack downloaded file with WinRar, rename file in gmapsupp.img (if needed) and copy it to \Garmin folder of your device
If there is already file gmapsupp.img copy it somewhere to PC (backup) before overwriting

That's all