Originally Posted by Bmwbreed
When you push the board computer button on the end of the turn stalk once it displays the average mpg push again. Just hold it though dont let go or it will go to the next display which is instant mpg. Hold it and in a couple seconds the average will go blank and its reset.
You can also reset it via the MENU button on the radio: MENU >> COMP >> CONSMP >> RESET.