New BMW Concept M5 delivers 25% reduction in fuel consumption and emissions; start-stop function
Green Car Congress
APRIL 4, 2011
Compared to the fourth-generation M5 power unit, the newly developed engine has a significantly increased output level, while at the same time lowering previous fuel consumption and emission levels by at least 25%. Active control of the multi-plate lock inside the rear differential is highly accurate and fast.
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