EFR Druckdose MedBoost Wastegate & BOV Druckdosen BorgWarner EFR Wastegate Actuator Medium Boost Genuine BorgWarner Wastegate Actuator - short version For BorgWarner Single Scroll EFR 6258, EFR 6758, EFR 7163 or universal Genuine BorgWarner wastegate actuator designed for EFR series turbochargers with internal wastegate, used to achieve higher boost levels, can be used for universal applications as well. For turbocharger: EFR-6258 / T25 turbine housing EFR-6258 / VBand turbine housing EFR-6758 / T25 turbine housing EFR-6758 / VBand turbine housing EFR-7163 / T25 turbine housing EFR-7163 / VBand turbine housing Opening pressure (adjustable): 0,6 - 1,1bar Fully open at: 1,42bar