BMW X4 M40i 2019 mapswitching This upgrade requires you to

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

increases line pressure and increases torque capacity

For OBD Tunes

Stock Trans with Dodson Sportsman 9/9

Top speed limiter removal

BMW X4 M40i 2019 mapswitching This upgrade requires you toExpertly 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