BMW says recalling around 1 mln cars in US over fire risks

German luxury carmaker BMW on Friday said it was recalling "approximately one million vehicles" in North America over two separate problems that posed fire risks, and did not rule out that more countries may be affected.The first voluntary recall affects certain BMW 3 Series models from 2006 to 2011, the company said in a statement.The second recall will address a problem with a heater valve in certain 2007-2011 BMW models equipped with a 6-cylinder engine.