Full BMW M550d photos gallery : interior, exterior, engine and driving scenes photos. As a reminder here are the M550 important details:

BMW F10 M5550d starting price in Germany, including VAT (19%):

BMW M550d xDrive – 80,800 EUR
BMW M550d xDrive Touring – 83,750 EUR

Engine Specifications

M Performance TwinPower Turbo Inline 6-Cylinder Diesel Engine With Three Turbochargers

Six-cylinder in-line diesel engine with M Performance TwinPower Turbo technology, aluminium crankcase, three turbochargers (high-pressure, with variable turbine geometry), common-rail direct injection with piezo injectors, maximum injection pressure: 2,200 bar.
Displacement: 2,993 cc,
Output: 280 kW/381 hp at 4,000 – 4,400 rpm,
Max. torque: 740 Nm (546 lb-ft) at 2,000 – 3 000 rpm,
Specific output: 93.6 kW/127.3 hp per litre of displacement.

BMW F10 M550d in the snow