I had a similar drop in my garage; however, I didn't note any contact scratches on my Jekyll & Hyde exhaust? Maybe the slight incline was enough to prevent the exhaust from making contact; regardless, I just don't see the value in the case protection. Insurance may not cover what they would...
Check out the before and after side case protection bars pictures in the attached thread:
https://www.r18forums.com/threads/new-wunderlich-b-transcontinental-rear-case-protection-bars.1982/post-28564
I agree with the look...
I had the original Wunderlich protection bars on my Bagger, that was making contact with the frame; I swapped them out for the Jekyll & Hyde exhaust system through the Wunderlich folks...
I can look at my Model B later today; perhaps it's a guide for the ABS sensor cabling ...?
What about holding the wheels on the KERN-STABI X518; maybe check, the four wheels on the lift at the axle?
I have the OEM BMW bags, they fit perfect within my side cases; but, I can't remember when I used them last - I basically jam everything into the cases when traveling overnight. My point is, there isn't a whole lot of room in the side cases; I feel like the side bags eat up the little extra...
Maybe BMW hired Luigi recently .... To be honest.. I know zero about the transmission, or really any transmissions ... I've found in some cases I have to nudge the bike a bit in one direction and let the clutch out and re-engage it again in order to find 1st gear..