It would actually be more expensive than you would think. The problem is, unless you go to a place that is painting another silver BMW. They will charge you a lot to mix just that little amount of paint. I would expect it to be at around $100. It was $175 to paint a fender, and they went ahead and painted a mirror and the front bumper of my 92 celica for like another $50 just so they would use up the rest of the paint. So i'm not sure how just the lip would work out for you. Maybe good like mine did, or perhaps worse depending on how nice the guys are at the paint shop.