I am almost done with my second tank, i have about 260 on it with about 50-60 miles left, which should average to about 20-21 mpg which is what I got on my first tank. I only have about 500 miles, will my MPG improve as my miles build up, or do I need to drive like a grandma to get 25-27 MPG???
can anyone with a 335i share there MPG pls???