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engine speed

  1. Engine Speed at Cruise

    E60 M5 and E61 M5 Touring Discussion
    Hi All. Took delivery of a new 09 E60 and am now getting familiar enough with it to ask some intelligent questions of this august group What do you all see on the tach at 80-85mph? I see basically the same engine speeds as on my Porsche, which has 4 less cylinders and much smaller displacement...
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