View Single Post
  #23  
Old 11-23-2012, 11:06 AM
Frag Frag is offline
Registered User
Location: Texas
 
Join Date: Nov 2012
Posts: 5
Mein Auto: 2011 BMW 550i
Post

Quote:
Originally Posted by Donm View Post
Filled the tank on my 550i with 400 miles on it at the interstate entrance and zeroed the mpg counter. Once up to 70 mph I set the cruise and headed for the turkey dinner 90 miles away.after about 30 minutes the average mpg was trying to break into the 30...
Same here, highway driving my F10 550i with cruise control at 69mph I consistantly get 31mpg. If I drop it down to 65mph it gets even better.

Make sure you are NOT in "sport" or "sport plus" modes (rpm are a little higher effecting fuel economy)
Reply With Quote