We're guessing the higher price premium for the 320d M Sport as compared to the 328i M Sport has something to do with the upsizing of the 320d Sport Line's ...
2014 bmw 3 series actf34 fd 313134 1600 655x436 Edumunds Drive Review: 2014 BMW 335i
Inside, the BMW 5-Series looks much more corporate than its domestic competitor.
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