You should be able to remove the mounting bolts and twist the cylinder to the side to get more room to remove the sensors
I assume you removed the panel from around the pedals to get this done. I don't want to do this because I have some interior LEDs mounted down there, but I think I can do a little drilling and cutting to get to the bolts through the panel.
Also, my dealer gave me a very large discount on the sensors as they stated that it would generally have been covered under warranty ( I am out by a couple months), and they could not get my vehicle in for 6 weeks.
I hope to get this completed next week and hope it resolves the issue. I am still cautiously optimistic the border will be open and we can get to Deadwood.