I've made myself a set of adapters for the Style 20's my car has. I decided I'll share them with you:
https://grabcad.com/library/bmw-style-2 ... adapters-1
Use high temp stuff, like ABS or PA-CF. I personally used Greentec Pro Carbon.
You need to glue these in, I've used Loctite 9466.
If you like them, in exchange I'd greatly appricite if you'd follow my small page. I do some stuff from time to time as a second-job, but honestly, it's just another hobby. I love making stuff
https://www.facebook.com/Gangl.Motorsport
David
