Dortmund had opened their campaign in style last week but the defeat is a blow to their hopes of defending the title.
Bayern scored a late winner to beat Wolfsburg after losing at home to Borussia Moenchengladbach last weekend.
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Being an amiable guy is good for you and Jurgen Klopp is living proof.
Summer 2016 is set to be a very exciting time for football fans, as this is when the long awaited Euro 2016 tournament kicks off.