nope im on windose but this is how i did.
downloded v1 of bonus tools and installed it on c:/program/autodesk/maya/bonustools8
then i downloaded bonus tool v2 and put the file in
c:/program/autodesk/maya/bonustools8/scripts.

dont know if it was the same on mac but for windose update 2 vas just 1 melscript and version 1 was the file with all scripts etc well hope it helps :9