He told Sport Bild: "Robert feels he needs a change and a new challenge in his career".
Lewandowski is contracted to Bayern until 2021 but his manager Niko Kovac confessed he is toying with the idea of leaving.
There's nothing new with Robert, it's clear that he will not leave this club.
La vente du club forcée par les Qataris — Girondins
Mais le groupe n'a pas révélé vendredi le prix envisagé de la transaction, évalué alors à 70 millions d'euros par le magazine Challenges .
It has been a largely frustrating summer transfer window for Manchester United so far and their hopes of bringing in Robert Lewandowski appear to have been dashed as Bayern Munich boss Nico Kovac has insisted that the striker is going nowhere.
Which team is most likely to sign Robert Lewandowski this summer?
The Polish stiker wants to push for a move away from the Allianz Arena, with a host of top European clubs ready to snap him up. "He is a great footballer, who has achieved a lot in the Bundesliga, scored many goals and now in the new season certainly will score many goals". "Only [he has] one thing he likes, the other is what we like to do", the former Eintracht Frankfurt coach said.
"Robert has a contract - I do not know how long - and he will certainly stay as long as possible here".