We haven’t even received our first new BMW 5-Series this side of the Atlantic, but already BMW is announcing performance models to whet our appetites. On Saturday, BMW detailed the new 2018 BMW M550i xDrive sedan—presumably the last stop before full-fledged M5 glory. What we know: the M550i xDrive will hit 60 mph in under 4 seconds; that…
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Bring the 5 alive! New 2018 BMW M550i xDrive detailed