BMW uses its BMW 3-liter turbocharged six-cylinder in a variety of vehicles, including the 135i, the 335i, the 535i, and the X3. It produces 306 horsepower in the X3, while getting fuel economy in the low 20s.
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June 14, 2012 11:31 AM PDT
Photo by: Wayne Cunningham/CNET
| Caption by: Wayne Cunningham
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