3M makes various panel bonding adhesives that will do what you want. Modern cars use these adhesives instead of nut and bolt fasteners or spot welding in certain locations. Research what is available and order.
More on Flex coming to the US. The Porter Cable had just been started to be used by the detailing industry and this lady with a detailing supply mail order business was offering the Flex version of the PC; the price was almost double that of the PC but she said the machine ran a lot smoother...
In the mid to late 1990s I bought both a Flex PC and Flex rotary via mail order from a lady that had a detailing supply company in the Midwest. They were wood working tools repurposed for the detail industry. I used them for over 10 years and they still work today, although I have moved to...
Wheels and tires take 2 different levels of PH to be effective. I can't remember off hand but one takes a base PH and the other an acidic PH. A wheel cleaner will not be effective on tires and a tire cleaner will not be effective on wheels. A tire and wheel cleaner is I believe near neutral...