Would You Go for a 2014 Alpina D5 Diesel or B5 Gasoline BiTurbo?

When it comes to performance BMWs, Alpina is right there at the top being the most prestigious and acknowledged company in this field outside of the German automaker itself. In fact, Alpina isn't considered a tuner but an auto manufacturer with BMW often selling its cars through its own dealerships.

This week, Alpina came out with two fresh videos showcasing the 2014 editions of its 5-Series sedans and estates based on the facelifted models, the diesel-powered D5 BITURBO and the gasoline-fueled B5 BITURBO, both featuring a number of subtle improvements.

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