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4.4-liter TwinPower Turbo V8
The 4.4-liter TwinPower Turbo V8 has been updated with Valvetronic, BMW's throttle-less intake system. It works in concert with High Precision Direct Injection and twin turbochargers, nestled on top of the engine, to deliver 445 horsepower, a 45-hp increase over its predecessor, and 480 lb-ft of torque, an increase of 30 lb-ft.
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BMW Approved Cold Weather Tires
xDrive, intelligent all-wheel drive system
8-Speed Sport Automatic Transmission with Driving Dynamics Control
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