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10 Most Powerful BMW Engines Ever Made
The S55 twin-turbocharged 3.0-liter inline-six ushered in a new era of turbo-focused performance for BMW. It's most impressive and most powerful variant is found in the limited-edition BMW M4 GTS.
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Straight-Six Perfection: Unpacking The BMW M4s Potent Engine
The latest straight-six fitted to the M4 is the 3.0L twin-turbo S58. An evolution of the S55 from the prior generation, it is ...