Hi,
i would be keen to know a little more. I have had two A8's 4.2 TDI, and i have recently part ex'd my 2011 Merc C63 AMG for a Q7 which i love, and obviously didnt buy it for its on track performance!
I currently get around 28 mpg on a run (double the C63!), so it would be nice to get a few more, and also improve the initial pick up. Do you know the difference in price for a remap v's a tuning box? do you ever change the set up? if so, why?
sorry for so many questions - i usually buy before asking and end up losing money!!!
Thanks