BMW takes X5 and X6 performance to a new level with M Competition models

BMW has unveiled its new X5 and X6 M Competition performance SUVs, using mild-hybrid technology to deliver the best pace possible. Following on from the recently unveiled standard X5 and X6, the X5 M Competition and X6 M Competition utilise the same 4.4-litre V8 engine coupled with 48-volt mild-hybrid technology.Combined, you get 616bhp and 750Nm...