via www.BIMMERPOST.com Animation explaining the tri-turbo setup in the BMW N57S inline 6-cylinder tri-turbo diesel engine used in the new M550d and X5 M50d models....
BMW's subsidiary, BMW M GmbH, has been customizing and fine-tuning the company's models since 1972.Now the engineers have started a new chapter, trying their hands...
BMW revealed the BMW M Performance Automobiles, featuring four models; the BMW X5 M50d, X6 M50d, M550d xDrive and BMW M550d xDrive Touring. More information...