Arsene Wenger side Arsenal were knocked out of the UEFA Champions League at the round of 16 stage for the seventeenth season following a second-half capitulation versus Bayern Munich.
A debated decision in the 53rd minute of second half ruin any hopes of the host becoming the first side in UEFA Champions League history to overturn a four-goal deficit, having also lost the first leg in Allianz Arena 5-1.
The led through English striker Theo Walcott's stunning 20th-minute goal, before the visitors were awarded a penalty that also resulted in the sending off centre - back Laurent Koscienly.
The Gunners defender was initially shown a yellow card by referee Anastasios Sidiropoulos for his foul on Munich striker Robert Lewandowski Inside the area-but it was upgraded to a red once he decided the French defender made no attempt to win the ball.
Former Lech Poznan striker ( Lewandowski ) placed his spot-kick beyond the reach of Gunners goalkeeper David Ospina to give Bayern a 6-2 aggregate lead and effectively kill off the tie.
Arsenal then folded as Carlo Ancelotti side netted four goals in 17 minutes. Dutch midfielder Arjen Robben robbed Alexis Sanchez of the ball and beat Gunners goalkeeper, before midfielder Douglas Costa made it 3-1 with a emphatic solo goal.
Playmaker Arturo Vidal grabbed a late goal, first with an impudent chip before slotting in from Brazilian midfielder Costa's square pass.