Quote:
Originally Posted by Charlisdad
Your comment on nosediving efficiency over 75mph is interesting as my M340d’s mpg improves slightly when I get past 75mph (which is extremely rare officer!).
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My S5 diesel was like that . Around town , about same as the 340i. It really came into its own when cruising . Its sweet spot though was about 62… the M1 roadworks couple of years ago went on for nearly 30 miles with large stretches at 60 . Could get 55mpg+ on that bit !