Did you ever establish what the difference was? I would expect the configuration to be different but it they were reset to the same it would be very interesting to understand what is going on....
Can only comment on the BBS02. It is an excellent motor and will easily meet your requirements. The ability to fine tune the controller is invaluable and will allow you to set it up to match your application. There is always a transition phase when changing to an ebike. But because you are...