Take a look at how the 303 Aerospace worked for one of our members here;
http://www.xoutpost.com/bmw-sav-foru...-pictures.html
Many people have also had luck with Forever Black
Products - Forever Black Car Care Products
303 Products, Inc.: 303 Aerospace Protectant
Also, be glad you don't have the M-sport package with the painted trim. Many people here are complaining about chipping and pitting from debris. From the photos I have seen, some look really bad already. The black trim will hold up much longer.