My S3 seems to be using a lot of oil. The zausts are thick black with soot and i wondered if there is an easy tweak to fix this or is it just a trait of turbo cars. I never once had to put oil in my R32 in five years of ownership yet i was scooting down the A1 last weekend and the "You havent got much oil left" light came on !!. Luckily i had a litre loafing in the boot which sorted me out