My father did an car maintenance course in the 90s with his Mini City (like this one[1]), which involved taking the car apart and reassembling much like in the OP's video course. He said it was a very valuable experience, and that the Mini was the perfect car to learn on as all the parts were easily accessible and uncomplicated in design.

[1]: https://commons.wikimedia.org/wiki/File:Mini_city_registered...