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      10-16-2010, 05:53 PM   #1
First Lieutenant
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United Kingdom

Drives: bmw E92 M3
Join Date: Jan 2009
Location: LONDON, UK

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What's the most efficient speed?

Hi, has anyone worked out what the most fuel efficient speed to be in Cruise control is? When I'm in the car with the family I try to at least try to be green...
HRE P40 Wheels (20" Charcoal), BMW Performance ZCP Spoiler & Splitters, Eisenmann Race, BMW Performance Steering Wheel, Carbon Fibre Exterior Trim (Front & Side Grills), Eibach Pro Springs (Not yet fitted).