It’s a delight to watch this air-cooled 3.2-litre flat-6 being disassembled before a full rebuild, and even though it was posted a few years ago, the clip is still fresh today. Credit goes to Filmkooperation andMetzger Werk , plus Hanadis Garage for the illustration work.
https://www.youtube.com/watch?v=wKNhjBNTA-I