Nottingham Forest boss Stuart Pearce has no intention of sending fit-again striker Dexter Blackstock out on loan.
Bryan Ruiz found himself frozen out at Fulham under Felix Magath, but will be offered a clean slate by Kit Symons.
The Germany midfielder, whose current deal expires next summer, has been heavily linked with a move to Manchester United, with reports claiming a deal between the two clubs is imminent.
New president Hopfner warned Bayern's current offer would not remain on the table indefinitely.
"There will certainly be further talks. But at some point the player has to say what he wants," Hopfner said in an interview with Kicker magazine.
"We will not exceed certain financial boundaries."
Hopfner pointed to the case of Michael Ballack, who left the club for Chelsea in 2006, as a similar example.
"It was the same with Michael Ballack and at some point we withdrew the offer."