CENTER OF EXCELLENCE BMW of North America has awarded United BMW with it's fourth consecutive Center of Excellence Award for 2014! United BMW is the only BMW dealership in Georgia to win this prestigious award! The Center of Excellence Award is reserved for dealers who distinguish their operation through exceptional performance. brand representation. and outstanding customer experience. This year. only 33 out of 339 BMW dealers nationwide were awarded the "2014 Center of Excellence"! WHY BUY FROM US? United BMW is proud to offer the Southeast's largest inventory of Certified/Pre-Owned BMW's. and proud to be the #1 volume Pre-Owned/Certified BMW dealer in the Nation as well as the largest retailer in Penske Automotive Group.