It’s been years since BMW tried its luck selling diesels in the U.S., but now the brand’s brief fling with compression ignition is back in the headlines, this time for all the wrong reasons,. More ...
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BMW's quad-turbo diesel X5 M50d: A technological marvel
The story behind BMW's unique quad-turbo diesel engine, its impressive performance, and how it stacked up against its rivals in the X5 M50d.
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