Is the B58 BMW’s Most Important Engine Ever?

The B58 engine debuted in 2015. It replaced the N55 (and earlier, twin-turbocharged N54 engine) as the turbocharged, inline-six workhorse powering BMW’s “40i” offerings—most notably at the time, the 340i. With 320 horsepower (in U.S.... First published by https://www.bmwblog.com

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