I was at the BMW Welt in Munich a little over a week ago (not to pick up a car but just on vacation) and one person confirmed a entry date of 2013 for the X1 in the U.S.
2013 BMW 535i GT- Neptune Blue-Venetian Beige Nevada Leather-Fineline Matte Wood Trim-ZCW/ZVP/2ST/3AG/416/677
2005 BMW X5 30i- Kalahari Beige-Sand Beige Nevada Leather-Dark Burl Walnut Trim-ZCW/ZPP/ZRC/508/522/609
2010 BMW X5 xDrive 48i
2003 BMW 745Li
2001 BMW X5 30i
1995 BMW 525i