Rolls Royce Wraith 2020 ECU Tune Stage:Stage 2 Tunes for specific octane

Tunes for specific octane

Map switching lets you change between power levels

We recommend a one-step colder spark plugs for better performance

and Race Boost Levels

Please contact us with your VIN if you are unsure what motor your 2013 550xi has

Rolls Royce Wraith 2020 ECU Tune Stage:Stage 2 Tunes for specific octaneExpertly calibrated and meticulously refined, DME Tunings ECU software is guaranteed to give you MORE of a good thing. More horsepower, more torque, and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management. With additional ft. lbs. of torque through the mid range, acceleration out of your favorite corner and onto the straight is noticeably quicker throughout the rev range. DME