Hi Nils, welcome here!
I think the documentation section you should read is http://www.melkert.net/LDCad/tech/partBin (and take a look at files part bin folder, they are plain text files).
Otherwise you could simply use the search tool (part bin top -> minifig with magnifier) and look for BBB...
Also note that BBB wheels have been tweaked to improve LDraw compatibility and are available on Parts Tracker: https://www.ldraw.org/cgi-bin/ptscan.cgi...ope=header
I think the documentation section you should read is http://www.melkert.net/LDCad/tech/partBin (and take a look at files part bin folder, they are plain text files).
Otherwise you could simply use the search tool (part bin top -> minifig with magnifier) and look for BBB...
Also note that BBB wheels have been tweaked to improve LDraw compatibility and are available on Parts Tracker: https://www.ldraw.org/cgi-bin/ptscan.cgi...ope=header