The standard power of your Audi A4 2.0 TDI 136hp vehicle is factory 136 hp / 320 nm. After Audi A4 chip tuning custom vehicle software, your vehicle will gain +54 hp / +100 nm additional power and reach a total power of 190 hp / 420 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.