It is by far, the most sacred place for a BMW M fan. We’re talking about the BMW M Division’s underground facility where the company stores copies of all the production cars and prototypes it has ever built, including a variety of never before seen in public vehicles. In a surprising but much welcomed move, the German automaker recently opened the doors of the special M garage to the members of the press and select enthusiasts revealing an array of models that most had only heard about. 
We already brought you a video of the wild M8 Coupe with the 580-horsepower V12 engine that was eventually used on the McLaren F1, but now we have several videos showcasing the entire lineup of M cars.
These include the E46 M3 Touring (BMW for station wagon), the E36 M3 Compact powered by the same 321HP straight-six from the M3 Coupe of the time, the E34 M5 Cabriolet with open-top seating for four, an M3 powered E30 ute and possibly the strangest creation yet, the so called Ur-Roadster. The latter is said to have been developed after the Z1 with power being delivered by the E30 M3’s 2.3-liter four-cylinder engine.
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The recent unveiling of the new M5 sports saloon gives us an idea of what to expect in terms of performance as the M6 will be powered by the same twin-turbocharged 4.4-liter V8 engine. 
