The Daily Express says German sources state Louis Van Gaal is now convinced he needs the 30-year-old at Manchester United.
Robben was Van Gaal's first purchase when he took over at Bayern Munich and the manager is now reportedly planning to repeat the trick at United.
A £40 million offer is being prepared, but Robben will take some convincing.
"And I cannot imagine that Bayern would want to sell me.
"I have only just renewed my contract and we are happy with each other. It would have been a different story had I been unhappy.
"I would have been open to a move then, because I had a great time under Van Gaal at Bayern. He has been very important for my career.
"However, the fact is that I am very happy at my current club."
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