Hi all I have been lurking for a while and had been thinking of buying a TT however fell in love with the S3 few weeks ago and now bought a nice one - i think. Its a may 01 silver with 90 k on clock Audi history, cam etc roll bars all done 2 years ago. I will get some pictures on soon I have one issue at the moment. The engine does not smoke at cold or warm temps, but after cleaning and then driving for maybe 10 miles I find several small black spots on the tailgate and bumper. The exhaust tip does seem very sooty as well. I am guessing thismaybe a sign of running rich ? Any ideas. The spots are dry and not oily? I am using v power. Any help or tips welcome Maybe someone else has noticed similar?