Production and testing of the V8 4.4 liter Twin-Scroll from BMW X5M
The M SAV twins came equipped with the latest engine coming from M Division: a V8 4.4 liter twin-scroll engine delivering 555 horsepower at 6,000 rpm and 500 lb-ft of torqu
twin-scroll
Analysis: The N55B30 engine
The BMW N55B30 represents the current workable technical edge of gasoline engine performance and economy. It is a state-of-the-art powerplant available in the 535i GT and soon the 535i from
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