2012 BMW M550d xDrive: Geneva 2012 Photos

2012 BMW M550d xDrive leaves us both giddy and quietly weeping

Even though we drove it extensively last month, BMW officially took the wraps off of the 2012 BMW M550d xDrive at the Geneva Motor Show. The M-tuned five-passenger sedan continues to put a smile on our face even as it causes yet another salty tear to drip down our cheek. We grin because BMW has dropped a tri-turbo (yes, three turbochargers) 3.0-liter inline-six diesel engine under hood. With a lot of boost, the N57S engine is rated at 376 horsepower and an astounding 546 pound-feet of torque. Mated to an eight-speed automatic, the 5 Series will crack the 60-mile-per-hour benchmark in 4.7... Read More