Jupp Heynckes's side trounced Kaiserlautern on Wednesday night in the DFB Cup despite making eight changes to his starting eleven.
|KLOPP: WE CAN'T COMPETE
"We all do not have the opportunity to change eight players like Bayern Munich just did in the DFB Pokal and still dominate the opponents," he told reporters.
"In this point, Bayern Munich are a giant step ahead of us. They also have more opportunities, we have to bite a bit more, but until now this is working fine. We dont want to change anything. This is our philosophy, to be successful with the team we have."
Dortmund currently find themselves in fourth place in the Bundesliga, nine points off league leaders Bayern Munich.