The EPA estimates for my Bimmer is 20city/29hwy and in real world driving, it's usually lower overall around 18city/24hwy. Here the secret:Some BMWs come with a mpg gauge that's actually a vacuum gauge linked...
I own a 2001 BMW 740iL which is as sophicsticated as a Mercedes, Lexus or Infiniti, but with the handling and performance of a Corvette. BMW changed the body style in 2002 to the controvesial "bubble' shape...