We removed ours about two years ago. Going to echo corjaguar as to process, materials and time. Throughout, there was no shortage of solicited and unsolicited opinions as to a better way. We tried anything they brought over, but kept coming back to mineral spirits and heat gun. (Changed to low VOC waterbased after spilling the old style mineral spirits into a hot heat gun. You, of course, will not do that.) Old CD's broken into pieces are cheap and effective scrapers.
You are likely to get some travel time in during the process. The snake-shedding-its-skin look is a great conversation opener.
After we got it off, we had a local guy prep the front cap and paint/clearcoat. Chose not to replace 3M. The cost x life vs shooting the front cap just doesn't make sense. For us.
Fair Winds and Following Seas
Terry & Rosalina
2007 Winnebago Journey 34SE
Retired Navy Mustang & Navy Wife