brake fluid , s-tronic oil haldex oil , first mot and check over . Got it done at main dealer bit expensive but wtf any road on way home there's an almighty clatter under car look in my rear view mirror and there's a piece of my undertray flying towards the car behind me . Luckily it missed him smashed on the road phoned up Audi not best pleased gave them part number goin back next week 100 mile round trip