I am looking to purchase a set of 4 17' Black OEM Alloy Wheels that come with the SAP Package. Right now I have the 16' stock wheels so I would need to figure out how to sell these or try and workout a deal with a dealership.
Dealerships won't take in used wheels. I suggest keeping them on-hand should you decide to do a summer and winter set of tires. I have a strange rock chip on one of mine, leading me to think more about getting either a new set of wheels or just buying a brand new wheel.
I'd keep your eyes peeled on eBay. A few weeks ago, there was a set of four on sale. Here's a guy selling, oddly, two: