The standard power of your Audi A4 35 TDI (2.0D) 150hp vehicle is factory 150 hp / 320 nm. After Audi A4 chip tuning custom vehicle software, your vehicle will gain +35 hp / +90 nm additional power and reach a total power of 185 hp / 410 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.