The new 6 Series coupe from BMW will be unveiled in September at the Frankfurt Motor Show and will go on sale in the United States in spring 2004. BMW says the 645Ci, with a 4.4-liter engine, will be able to reach 149 miles an hour and sprint from 0 to 60 m.p.h. in well under 6 seconds. Six photos are available, including interior and exterior views. Sneak Peek of the new BMW 6 Series coupe | 
