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Straight-Six Perfection: Unpacking The BMW M4s Potent Engine
Make BMW Model M4 Base MSRP $79,100 Today, CarBuzz is looking at the BMW M4 engine, what makes it tick, and why its such a ...
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BMW M4
The BMW 4 Series continues ... turbocharged 2.0-liter four-cylinder engine; the M440i gets you a 382-hp, turbo 3.0-liter inline-six; and the range-topping M4 offers a 473-hp, twin-turbo 3.0 ...