Mark's link doesn't work because it is a direct link to the document which is not stored on the website. Interestingly, they appear to be using Amazon Web Services (AWS) for their content. But you can't link directly to it because of the security permissions. Here is an indirect link that should work: https://bmwclubofhouston.com/content.aspx?page_id=86&club_id=968552
But good point about being able to fix a flat or change a tire. If you have never changed a tire by yourself that is a highly recommended experience. Everyone should do that once. Even if you have tubeless tires. A great way to experience that is to bring a tire you need to change to the next club "Tech Day" where you have lots of resources and people to help (read: 'supervise'!). Next Tech Day is currently Sunday, March 20, 2022.
But most of the time you won't need to change a tire, just plug it. So as a minimum you need a tire plugging kit and air compressor. And, again, the experience of using them at least once.
Other than that I carry a minimum of tools but other various kinds of things like duck tape, safety wire, zip ties, JB weld, roll of 1 inch Velcro strip and other assorted "McGyver" type materials. Things to patch things up until you can get to civilization and more help. Most of those things are small and very light.
Jerry
"I ride because it frees my mind from the tyranny of petty things."