Liverpool chances of making it to the finals of the Europa League is more higher than that of Bayern Leverkusen making it to the finals. Checking from the match fixtures, the matches and teams that Bayern Leverkusen are going to meet are more tougher than the ones that Liverpool are going to be playing against. The AS Roma vs AC Milan match will be the toughest in this quarterfinals and any team that qualifies amongst them will be facing Bayern Leverkusen which makes their chances of making it to the finals under big probability.
I think Liverpool are quite lucky here. They will face the winner of either Benfica or Marseille in the semifinals. It wasn't a tough opponent for them. I predict Liverpool will face Leverkusen or AC Milan in the final. Of course, these three teams are the favorites in the European league this season. But I think the final match will be Liverpool vs Leverkusen. AC Milan is a solid team and of course they have fans who are their favorites. I'm not underestimating AC Milan but Leverkusen are in good form this season. They even have high confidence in winning the European league title.