Striker Robert Lewandowski scored twice as Bayern Munch swept aside Bundesliga newcomers Arminia Bielefeld 4-1.
Poland’s Lewandowski, 32, has now scored 102 goals in his last 100 games for Bayern.
Germany midfielder Thomas Muller scored either side of Lewandowski’s double to make it 4-0 before Ritsu Doan netted a consolation goal for Bielefeld.
Bayern finished the game comfortably, despite Corentin Tolisso’s dismissal in the 76th minute.
The reigning champions, who suffered a heavy defeat by Hoffenheim in their last league game, climbed to second in the table and next face Atletico Madrid in their opening Champions League group game on Wednesday.