I mentioned this in another comment, but "C-1" is a code name. See the FAQ: http://litmotors.com/faq/ (there's no anchor; search for "BMW").

> Production: 2000–2003

Doesn't sound like it'll be an issue anymore.

It's also a model in Citroën's C1, C2, C3... line-up -

http://en.wikipedia.org/wiki/Citro%C3%ABn_C1