"If we want to win something this season, we will have to play differently", he said at Ingolstadt. "He is a world-class player and someone who is always put on the field".
"I am happy to play Bayern one more year", he said in January after signing a one-year extension.
Bayern can count on Xabi Alonso after the Spanish midfielder recovered from a knock to the knee that had forced him out of training on Monday.
Bayern will also be without Jerome Boateng and Franck Ribery, who are both out with injuries. Bayern have been off the pace slightly this season, slightly being they're only leading the Bundesliga table by seven points, and the performances from the reigning champions have been below par in the 2016/17 season. "Now we're focused on the Champions League".
Arsenal face a tough test against a Bayern side they have met three times at this stage of the competition since 2005, losing on each of those three occasions.
Arsenal has not been past the last 16 in the continent's top club competition since 2009-10. The only time he failed to find the net in those 12 games was against Benfica last April.
Arsene Wenger arrived in Munich aiming to break Arsenal's six-year run of being eliminated in the round of 16 of the UEFA Champions League - and once again facing questions about his job security with the Gunners.
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That attitude was backed up by the fact that New England really did move the ball well, throwing for 184 yards in the first half. However the veteran said he felt no after-effects from what had been a bruising ordeal. "I always feel like I'm the same".
The first came when Philip Lahm's deep cross from the right was brilliantly headed back past Ospina and into the corner by Lewandowski, who had done well to hold off Shkodran Mustafi and nod the ball towards goal whilst back-pedalling.
Defeat to Arsenal would be a black mark against Ancelotti, but chairman Karl-Heinz Rummenigge is backing Bayern. Lewandowski fouled Koscielny in the box, Alexis missed the penalty but scored the rebound and Arsenal went on to create two more good chances in the first half, though neither Xhaka nor Özil could convert.
Bayern have not clicked this season. After all, one of the big factors for Chelsea's re-emergence after last season's debacle has been the lack of European games.
Mohamed Elneny will come back in and unfortunately Francis Coquelin will be in there.
Bayern said he was immediately taken to the dressing room as a precautionary measure but should be able to train again on Tuesday. I am a bit surprised by the score but it is the Bayern mentality. "We have an advantage to play the second game at home".
In 12 minutes second half minutes, though, Bayern ended the tie and perhaps any realistic chance that Wenger can stay at Arsenal.