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How BMW turned the humble inline-six into a muscular powerhouse

Here's how the modest inline-six has grown over time and been continuously developed by BMW to become one of the most ...
SlashGear

BMW's M42 Vs. M44 Engine: What's The Difference Between These Four-Cylinders?

BMW has quite a few engines worth checking out for a potential swap, and the M42 and M44 are two decent four-cylinder picks. They aren't known as the most reliable BMW engines ever built, but that ...