German tuner AC Schnitzer has revealed the ACZ4 5.0d, a modified version of the BMW Z4. Under the one-off's stylized hood, you’ll find a tri-turbo 3.0-liter diesel engine that creates 423 horsepower.
The post 3 liters, 3 turbos, and 423 ponies: AC Schnitzer’s diesel ACZ4 does our kind of math appeared first on Digital Trends.


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