Munich: German football giants Bayern Munich booked a spot in the European Champions League knockout stages thanks to a powerful 4-0 display over Greek side Olympiacos FC at the fifth round of group play here.

Bayern on Tuesday overran Olympiacos with three goals within 20 minutes as Douglas Costa, Robert Lewandowski and Thomas Mueller were on target. Bayern lost their defender Holger Badstuber to a red card, which was a minor setback, as the ten-men were able to mark the fourth goal through Kingsley Coman to make the game safe, Xinhua reported.