getting this done to my Leon FR once the garage i use get the system in http://www.terraclean.net/index.php
cleans the whole crankcase system from carbon i.e EGR, cat even the turbo vains was tested on a 330D and you get a noticeable difference.
cleans the whole crankcase system from carbon i.e EGR, cat even the turbo vains was tested on a 330D and you get a noticeable difference.