Bayern Munich secured back-to-back league victories for the first time since September as Thiago Alcantara scored the winner against Mainz.
Thomas Muller was recalled for Bayern Munich's visit to Mainz but there was no room in the starting XI for Jerome Boateng.
Bayern Munich have previously responded to dominant spells from Borussia Dortmund by buying their best players and BVB are back on top.
Bayern Munich stars Thomas Muller and Jerome Boateng might have to be content with bench duty once again for Saturday's trip to Mainz.
Three goals in two games have marked a return to form for Bayern Munich striker Robert Lewandowski, who said he is happy to be at the club.
Bayern Munich followed up their weekend win over Wolfsburg with a 2-0 victory at AEK but Arjen Robben sees room for improvement.
Marco Reus and Paco Alcacer have been dovetailing superbly for Borussia Dortmund, despite one or two linguistic concerns.
Despite only making 14 LaLiga appearances in two seasons at Barcelona, Paco Alcacer has still taken plenty from his time at the club.
Bayern Munich head coach Niko Kovac has left the injured Franck Ribery out of his squad to face AEK Athens in the Champions League.
Robert Lewandowski ended his goal drought with a brace at Wolfsburg, leading to Mats Hummels praising the "outstanding" striker.