BMW built the first M series car in 1979 which was the first unofficial M5 and then there was a 6 Series M635i which had 286bhp. The finest M car ever built was the E30 M3. From its special flared wheel arches to its dog-legged gearbox, little tail spoiler and

We have been following the BMW M4 in coupe for a long time, but we have never looked at a production ready 2014 BMW M4 engine prototype before. The new BMW M4 prototype is complete with headlights, wheels, exhaust and interior.