The Bundesliga champions are ready to wait a year to land their man if Gladbach don't lower their demands
The reigning Bundesliga champions are keen to lure the 18-year-old to the Allianz Arena, but have so far been unable to reach an agreement with his current club.
Kurt recently stressed that he wants to continue his career at Bayern, though, and the Bavarians are ready to wait a year if Monchengladbach don't lower their demands.
"[Monchengladbach director] Max Eberl wants more money than [Bayern directors] Matthias Sammer and Michael Reschke have offered," Rummenigge told Munchner Merkur.
"That's a normal situation, but the player's contract is due to expire in 2015. I would not forget about that if I were Monchengladbach when setting my asking price.
"If the deal doesn't happen now, the player will join us on a free transfer in 2015."
The left winger is regarded as one of the most exciting talents around in Germany, but has yet to make his Bundesliga debut for Monchengladbach.