BMW M8 2021 Stage:Stage 1 we will ship it back

we will ship it back via Ground

You will read the car with the device and email us the stock file

If you ship it via Overnight

The turn around time is 2 weeks since the DME has to be sent to Europe for unlocking

If the iDrive asks you to update your apps

BMW M8 2021 Stage:Stage 1 we will ship it backExpertly 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