The 12-race US-based championship for the extreme DTM cars will begin in 2013 -- one year after GRAND-AM's flagship Daytona Prototype class undergoes a serious remodeling project -- that will serve as a sprint racing support show for GRAND-AM, NASCAR Sprint Cup and the NASCAR Nationwide Series. â€œOnly days after BMW officially announced its commitment to the DTM from 2012, this is more good news concerning the future of the DTMâ€, said Hans Werner Aufrecht, chairman of the ITR group that runs the DTM. â€œInternationalisation has been our goal, in order to ensure that cars to DTM regulations can be used in more countries all over the world. We have had very constructive talks with the GRAND-AM organisation and we are very excited with this new partnership.â€ GRAND-AM president Tom Bledsoe says he expects the new venture with the DTM to serve as a major boost for his series. â€œWe are proud to forge these new relationships with the many manufacturers choosing to embrace the DTM vision, and we look forward to welcoming these exciting cars to the USA. With these announcements, we can begin planning with our media partners, race tracks and teams. The addition of a DTM-style sprint race will increase the attraction for our fans and help grow all GRAND-AM series.â€ Many questions (and doubts) have surfaced about the DTM+GRAND-AM+NASCAR partnership, with this author receiving a steady stream of correspondence on the topic. Most of those inquiries centered on the belief that this new partnership is the first step by NASCAR to launch a Sprint Cup series in Europe, but SPEED.com has learned that the initial contact between the parties came from the DTM reaching out to GRAND-AM, and not from NASCAR to the DTM.