Audi R8 V10+ 2015 bench flash We recommend one-step colder spark

We recommend one-step colder spark plugs for better performance

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

Tuning for specific octane

we will ship it back via Ground

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

Audi R8 V10+ 2015 bench flash We recommend one-step colder sparkExpertly 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