Originally Posted by tbone28
How did he do it?
Honestly, I wish I knew. I left the car with him overnight. He is actually a member on this forum, he has a supercharged M3 himself. Maybe he'll chime in.
But I do remember asking if he sanded down the matrix, or did anything crazy with it and he said "no, I just know how to do it". lol I didn't ask him anything else. I'm telling you, it CAN be done.