The 2014 BMW M3 was spotted while winter testing in Sweden, Northern Europe. In these spy photographs, the front and rear flared wheel arches are visible together with the large brakes with cross-drilled discs M-style tailpipes. The power dome was not seen on this sighting. The F80 BMW M3 is expected to be powered by an inline-six engine delivering approximately 450 horsepower. The debut is rumored to be at the Geneva Motor Show in March or the Frankfurt Auto Show in September.