hi, on my a4 tdi (130) its got a few modifications on it, front mount, k&n panel filter, custom exhaust, and decat...
it has been remmaped also but im having abit of a problem with black smoke bellowing out on mid throttle/boost
is this normal or is there a fault some where? ive been told by one company that its fairly normaly but if am honest i dont think it is?
the car drives spot on to be fair good power and pulls fine, just the smoke is an issue!