Just got it tested on .32pre5. Magic Energy Converter accepts items from BC pipes and vanilla hopper, guess it accepts from GT machines too. Just make sure you trying to insert right items (I tested with Netherstar) and not doing it through "face" or output side (output side marked with a dot, while "face" is not so obvious but you can change it with croach+RMB with a wrench).
Bisphenol A had appeared in large chemistry update, it was a step for making epoxy or something. However chemistry was significantly simplified in last updates so now it seems to be an obsolete (although I think it can be reenabled somewhere in configs).