I went to Google that.
I was expecting to find BMW forums. I found the org.
https://www.r1200rforum.com/threads/seeking-r1200-1250r-trailering-strapping-advice.58077/
Maybe 2018 R1200RS - ARE that different. It looks like they use chocks mostly.
Yeah, bar ends, I get it, we had some trouble with Organdonor's big bar ends with the canyon dancer.