for me, making these speeches without seeing the map ? almost useless on a car like my 120d without fap if by 15% of the injection time and try to correct the diesel in the pi? only with the turbo pressure you have the car smokes like a chimney, not have smoke, you are obligated to tap the advances.
let's say that up to 9 or 10% YOU can't not have fumosit? raising the turbo about 180punti