To date, BMW M Performance has created performance-driven, diesel variants of the X5, X6, and 550i. And now, the newly-formed division is turning its head to the petrol market, with the introduction of the BMW M135i concept.
The M135i will make it's grand debut at the 2012 Geneva Motor Show, many are speculating that the next-gen BMW 1 Series variant could be closer to production than we think. This makes perfect sense to everyone…