Automatic download and update of maps can be newly provided using platform-independent Java bittorrent client Azureus/Vuze. Azureus/Vuze client works on Windows, Linux and MacOS.
OSM for Garmin Update plugin searches for new updates and downloads appropriate diff patch files if available. When patch file is downloaded, your map is patched automatically and ready to use and seed to others.
Vuze OSM for Garmin update plugin can be downloaded from here. After installation, you can download or update your maps simply by checking required region(s). In addition, plugin can check server for updated maps every day to keep your data up-to-date on the fly.
Please visit plugin user’s guide page for more information.