| BMW M550d, X5 M50d and X6 M50d |
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| The rumors saying that BMW's M Performance division is working on a diesel model have started a long time ago. Today BMW confirms them by revealing not one, but four different diesel M cars. The BMW M550d, the M550d Touring, the X5 M50d and the X6 M50d are the first diesel models to be developed by the... More » |
