Iv got an A3 1.8T 5v. thats been remapd to 195bhp..... iv just solved the problem with the boost because the wires had come off the boost thingy majig!lol ( aint really got much tech knowledge hence the question ) and now when i give it some welly it sounds like the turbo is grinding cus thers a mad noise at about two and a half 3 thousand revs.......???? any suggestions to what it myt be?????? would be much appreciated to me as i am a complete novice in the tech matter and aint got the pockets for an audi dealer!!! thanks... and heres a few pics of my baby!lol its got the rs4 18s the quattro interior and s3 mirrors aswel as the engine mods!!!!