BMW has released some information about the most powerful coupe version of the first series, which is still active testing at the Nurburgring. For example, as the power unit for the 1 series M was confirmed by the six-cylinder bi-turbo engine capacity of 3.0-liter, 340 hp outstanding It will be aggregated only with 6-speed manual transmission. The machine will not be offered, even as an option. Weight coupe will be about 1 500 kilograms, and the brake system, rear differential and some elements of the chassis will be similar to the more powerful M3. All this will charged the BMW 1-series M Coupe surpass 10 seconds lap time on the Nordschleife, as compared to the M3 coupe in the back of E46. Novelty promise to declassify in December this year, and its world premiere is scheduled for the North American Auto Show in Detroit, 2011. Sales of the BMW 1-series M due to begin next summer.