BMW X4 M40i 2019 mapswitching For OBD Tunes

For OBD Tunes

Map Switching Selections for Various Fuel Types and Power Levels

This upgrade requires you to send us your ECU for re-programming

Stock Trans with Dodson Sportsman 9/9

The turn around time is 1 week since the DME has to be sent to Europe for unlocking

BMW X4 M40i 2019 mapswitching For OBD TunesExpertly 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