Problems since creating wing views in tfdi md11

I have a strange problem.
yesterday I’ve created some wing views in the tfdi md11. I did this with the keyboard, manouvring to the right spot and then assigning them to keyboard shortcuts.
but since I dit that the simulators stutters a lot when panning the mouse. from the inside and the outside. it’s totally not flyable in this way.
this problem does not occur in the pmdg 737, I’ve just tested it.
I’ve deleted the md11 and reinstalled but the same problem occurs again.
I don’t know what to do with this.
can anybody help with this?

best regards,

it turned out to be a dx12 problem. after switching back to dx11 the problem is solved