Hi Lucky,
I appreciate the fact that you trust my opinion enough to ask me.
I expect the second leg to be very different. I think Bayern will win at home, they have the players, the quality, experience and couch to do it. But I don't think they will progress to the next round. I still think Barca will go through. The second leg will be a 2-1 or 3-1 at the best in Bayern's favour imo which will mean barca go through on aggregate. Just my opinion though.
Hope that helps mate!