Originally Posted by Autohaus
Ive got a 2002 325ci just turned 55k miles USA car. It shows im getting between 31-36 MPG between 60-70 MPH.
The highest I've ever gotten was 37.3mpg, but that was only once, and only because I was driving slow at 105km/h (~65mph). At an average speed of 140km/h (88mph) I get around 30mpg. My car's also an american import and I haven't changed the obc to show l/100kms yet.