Let's see how the game goes, because I feel that both teams are equal to the other and any mistake from any of them will be advantage for the other club to win the match. However, with the current form of Leverkusen, they might be able to snatch all three points in this match, but I don't think that Dortmund will be sleeping and allow them walk away with all three points. The match might end in a draw.
There is a possibility that the match will end in a draw because both of them might be in a good situation. But I think Leverkusen might be a little bit superior. Leverkusen has drawn too many matches this season, of course, that makes a few points difference with Munich. They will maximize everything to get 3 points. Dortmund is not weak, but I don't think they are really above Leverkusen with the current situation. There might only be a few goals in this match, Leverkusen might lead.