So if you buff matte paint, it’s going to smooth out those intentional imperfections and create an unwanted shine. Matte paint diffuses light, creating a non-reflective surface. The only way (currently) to fix this issue is it to repaint the car.
There are many do-it-yourself techniques for car rim repair because car rims come in a variety of shapes, sizes, and materials. For many car enthusiasts, the car rim provides a mechanism for self-expression.