By Tim Pollard13 February 2009 13:00This is the new BMW Concept 5-series Gran Turismo. Munich has just issued these first photos of its novel newcomer – an executive car with the space of a 7-series in a taller, swoopier 5-series body. Remember the much-vaunted Progressive Activity Sedan (PAS) codename? Those three words spell out BMW's hopes for its new Grant Turismo. Another controversial BMW could be three more... The Concept 5-series Gran Turismo is a carbon copy of the production car that b