FILE - This May 8, 2008 file photo shows the production line at the BMW assembly plant in Greer, S.C. It has been 20 years since BMW announced it would build an automotive plant in

... more 

FILE - This May 8, 2008 file photo shows the production line at the BMW assembly plant in Greer, S.C. It has been 20 years since BMW announced it would build an automotive plant in South Carolina. Two decades later, the plant churns out 30,000 vehicles a month and remains a touchstone in the state’s modern history. (AP Photo/The Greenville News, Ken Osburn, File) less