This link to BMW’s customization unit includes a video synthesizing clothes, jewellery, design, and bespoke service. Worth watching: https://www.bmw.co.uk/discover-bmw/bmw-individual.
In this video, a car enthusiast explains how she came up with modifications herself for her vintage 2002: https://petrolicious.com/films/1973-bmw-2002-a-tastefully-modified-treasure.