Has anyone found a way to disable the invisible map borders? I tried adding bBorderRegionsEnabled=0 to the INI files with no avail.

This is an old trick from previous games and may or may not work:

This line, if it exists in Fallout4.ini bBorderRegionsEnabled=1 to bBorderRegionsEnabled=0.

If it does not exist, just add bBorderRegionsEnabled=0 under the [General] section.
Good luck.

Only other way to do this is with the GECK whichis not yet out.

lol Michele, did you actually read my post? Already tried that, doesn't work.

Lol its like he or she only read the title and that's it.