For 2001, BMW offers the C1 as a scooter motorcycle with 124 cc on tap. The 2001 BMW C1 is built around a Single cylinder engine. Out on the road, the C1 delivers. Flat out, it's quoted at 100 km/h. In everyday use, the 2001 C1 tips the scales at 185 kg and carries a 9-litre fuel tank. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2001 BMW C1 spec sheet below.