Long - wheelbase models are 140 mm (6 in) longer, allowing for extra rear legroom. (en.wikipedia.org)
The new coupe is 2.8 inches longer than the 1 Series, which BMW says translates into 0.7 inches of additional front headroom and 0.8 inches of extra rear legroom. (cars.com)
The S60L will offer extra rear legroom, but should be available with the engines currently offered in the U.S. market. (autoweek.com)