June 30 (Bloomberg) -- Bayerische Motoren Werke AG, the worldâs largest maker of luxury cars, may invest more than $1 billion in Mexico to prepare local auto-parts companies to boost supplies to its U.S. plants, Mexican Economy Minister Gerardo Ruiz Mateos said. âThey want to increase the production of auto parts here in Mexico,â Ruiz Mateos said in an interview in Bloombergâs Mexico City office yesterday. He said heâs going to Germany in the coming weeks to discuss the project with BMW. BMW is purchasing more supplies outside Germany as part of a goal to lower costs by more than 4 billion euros ($4.9 billion) by 2012 and to reduce the impact of foreign currency swings on earnings. By buying parts in Asia and North America, the company will cut currency risk by 1 billion euros by 2012, Herbert Diess, BMWâs purchasing and logistics chief, said in a May 4 interview. For Mexico, the BMW initiative would help President Felipe Calderonâs plan to increase foreign investment at a time when the countryâs share of North American auto production may rise at a quicker pace as U.S. automakers seek lower labor costs. http://noir.bloomberg.com/apps/news?pid=newsarchive&sid=ahIu2hzjU8ts Lower labor costs....maybe the US should adjust its labor costs, too - weakening USD ?