michael schumacher will replace massa. he retired in 2006 after winning 91 grand prix. the news came on the david b&w announced it would pull out of the championship at the end of the season -- the news came on the date that bmw announced it would pull out at the end of the season. >> bmw has spent four years and millions of pounds developing their cars, but this morning, at their headquarters in munich, they announced they had had enough. the chief executive said it had been a difficult decision to quit formula one at the end of the season, but they decided to focus on other areas of motorsports -- the new technologies. it is the end of an adventure that had promised much. last season, bmw finished third. the driver, winning in canada. but this season has been a tale of disappointment. with the economic crisis affecting their car sales, expensive failure is no longer an option. after honda's exit last year, bmw is the second car manufacturer to pull out of formula one, and like honda, they simply underachieved. motorsports governing body say they are saddened but not s