BMW’s four-door answer to the Mercedes-Benz CLS and the Audi A7 is here, wrapped in stretched 6-series coupe sheetmetal. Like the 6er coupe, it is mechanically very similar to the 5-series—following the pattern of the A7 and CLS, which are re-bodied versions of the Audi A6 and the Benz E-class. (more…)