Im not very good with cars and anything to do with cars.. Never mind diesels!! So ive just baught a 2.0L TDI Sport A3 and im now wondering a few things 1. Is it worth getting a Re-map / is it possible to Re-map a diesel 2. Is it possible to get a dump valve for a diesel - if so i wud only want a quiteish one 3. Is it worth getting the car chipped will i see big enough gains etc?