Details are slim (curse you, 140-character limit), but Automobile states that because this new turbo four would replace the naturally aspirated six, at least 200 horsepower should be on tap. We'd expect a slightly higher output, since the current engine cranks out 255 horsepower and 220 pound-feet of torque. We certainly won't mind a turbocharged four-banger with gobs of low-end power under the hood of the Z4, and we'd expect to see this new mill show up within the next year.
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