Yes, a possible opportunity for Ronaldo to leave Man United is to join Bayern Munich. Although at first Bayern Munich seemed less interested in signing Ronaldo but there are indications that they don't really close the door for Ronaldo. What previously became an obstacle for Bayern Munich so that they were reluctant to sign Ronaldo was that Ronaldo was not young anymore and Bayern Munich had to prepare a big salary for him. So if Ronaldo is willing to accept a lower salary, then there is a possibility that Bayern Munich will sign him. Moreover, Lewandoski has left Bayern Munich and for that Bayern Munich may be looking for a replacement.
Munich is also eyeing Harry Kane. After Lewandowski's departure, it turned out that Munich's front line was having problems. Munich's choice is Harry Kane or Ronaldo. Mane's arrival doesn't seem to have recovered the Munich attack. we will see how the decision from Munich to attract a prolific striker who will become a goal machine.
bayern coach Julian Nagelsmann was asked about the rumors surrounding english international striker Harry Kane... also the former german national player/coach and among others also former player for the spurs Jürgen Klinsmann gave his opinion
https://www.transfermarkt.co.uk/harry-kane-too-quot-expensive-quot-for-bayern-munich-nagelsmann-describes-him-as-brilliant-player/view/news/408357