There are four models in BMW
's new M Performance
Diesel line-up, namely the BMW M550d xDrive, BMW M550d xDrive Touring, BMW X5
M50d and BMW X6
M50d; but at Geneva, only the 2012 BMW M550d xDrive and x6 M50d have been revealed. The quartet of M Performance automobiles are all powered by the exclusive tri-turbocharged 3.0-liter inline six delivering 375hp and 546lb-ft of torque.