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BMW M850i xDrive (2019) Track Action, Exhaust Sound, Handling

1,790 views · Published 16 June 2018 · 1:55 · Indexed 8 November 2026

Channel: Motorward · 2018 · Autos & Vehicles

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The launch of the all-new BMW M850i xDrive Coupe also marks the premiere of a new BMW TwinPower Turbo V8 engine. The latest generation of the 4.4-liter eight-cylinder engine has been radically revised with numerous detailed improvements. Two twin-scroll turbochargers with charge air cooling located within the V-shaped space between the cylinder banks, High Precision Injection, VALVETRONIC fully variable valve control and Double-VANOS variable camshaft timing all form part of the M Performance TwinPower Turbo technology, whose extensive overhaul has given a substantial boost to maximum power, torque and efficiency.

The new V8 engine serves up an enthralling soundtrack, which is enhanced by the standard flap-controlled sports exhaust system. It boasts a wonderfully versatile character that can also adapt itself to effortlessly relaxed cruising. The Driving Experience Control switch can be used to activate both extremely sporty and distinctly comfort-oriented powertrain settings. In the SPORT and SPORT+ modes, accelerator response as well as the V8 engine’s power delivery and acoustics – which take on a particularly distinctive note in the SPORT+ setting – are all configured for an exhilarating driving experience.

A new aluminium alloy has been used to increase the strength of the engine block. The wire-arc sprayed iron coating for the cylinder walls serves to reduce frictional losses. Reinforced, Grafal-coated pistons and optimized piston rings are designed to endure the stress on the crank drive that comes with the extra output and torque. To enhance engine smoothness, torsional vibration is minimized with the help of a viscous damper on the crankshaft.

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