Hi Chrism - I think I have found a way to do it relatively painlessly.

I have tried to use other methods to create mapset installs using a number of methods described on the web, but none of them would work for me. Apparently from what I’ve read, the main problem is that the OSM sourced site used above creates all mapsets with the same FID/Product Code (2000/3) essentially overwriting the previous installed mapset.

However, I have found I could install at least three separate installs on Mapsource following the these steps: I am using Windows7, Mapsource 6.16.3 and Mapsettoolkit 1.77.

  1. Install your first map from the above using the .exe file. DO NOT use the default file path to save it - I have merely appended the directory to be (a) unique; and (b) a bit more descriptive, eg, c:\garmin\maps\osm world routable Australia

  2. Open Mapsource and check it’s installed. Close Mapsource.

  3. run Mapsettoolkit to see your installed Mapset and under the “Mapset installed” there is an EDIT button. Click on this and alter the Mapset name, Registry name and Family ID to something unique. Click Apply (you do not need to press Start to compile anything).

  4. Open Mapsource and it should appear as a mapset with the new name rather than the generic OSM World Routable.

Repeat to add more OSM Requests!

Please note: I have also read that Mapsource isn’t happy if there are mapsets with identical .img file names. This would occur if you download from OSM a map tile that say crosses a border such as Scotland/England and so it’s in your “Scotland” set and your “England” set. I really don’t know how you would get around that other than ensuring you don’t double up on the same map tile.

Cheers,
Tony