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BMW already introduce their next generation 5-Series sedan, BMW and, its M division,currently is now concentrating on the development of their new version of the series.When a Twin-Turbocharged V8 installed inside a BMW,In the X5M and X6M, the bi-turbocharged unit produces an output of 555 horsepower at 6,000 rpm and 680Nm or 501-lbs/ft of [...]

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