BMW M boss teases possible return of M5 wagon

BMW has just launched its first M3 Touring high-performance wagon, but might we also see the M5 receive the long-roof treatment? There’s a redesigned M5 sedan currently in the works, and the boss of the BMW M division, Frank van Meel, has teased there might be a wagon variant showing up eventually when asked recently by Car Buzz whether the new M5…