Having recently spent a day driving through Portugal in the well-executed but slightly less than inspiring BMW ActiveHybrid 5, we’ve now plunked our rumps into a very separate yet parallel 5 Series dimension.

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It’s called the M550d xDrive, and instead of Spanish hill country, we find ourselves driving over a heady combo of no-limit autobahn and essentially unmonitored idyllic two-lane Bavarian country roads. As luck would have it, the view ahead is sunny and dry.
Full story: Autoblog