Turbos, biturbos, triturbos, superchargers and the rest Which engine charging approach is best?

Aufladungskonzepte, SPA 10/15, BMW M235i Zoom Photo credits:
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The straight six in the M235i makes do with a relatively low charging pressure, gleaning 326 BHP and 450 Nm from those 2,979 cc. In contrast to the previous engine, this engine uses only one turbocharger, employing the twin scroll integration principle.

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