Our daily car, project S211 E280 CDI which has originally 177 HP and was tuned to 441 HP or 324 kW. Engine mods: ECU stage 3, bolton hybrid turbo, PRO-LINE injectors, bigger MAP sensor, straight exhaust, bigger intercooler, TCU tune. It eats not much around 9 l/100km or 21 mpg mixed. And its used for daily for 4 years, without any issues. That emphasizes our part hybrid turbocharger and injector building quality.