gts sport turissmo

I have received a letter from Porsche GB stating that the Certificate of Conformity for my car is incorrect. The consumption and range information of the car is incorrect. I have not been happy with mileage achieved in my GTS. Has anyone else had the letter and what is the outcome?

I understand the rule is that without pics, it never happened? Here they are :) and a few thoughts 48 hours into ownership... (in no particular order) It's LOW! may have already scraped the underside front wheel deflectors a couple of times. And in scenarios where I never imagined I would...