BMW X4 M40i 2018 Stage:Stage 1 and a more exhilarating driving

and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management

Temperature Sensors

Upon purchase you will be sent a shipping label

TCU OBD Tune

For Stage 2 -- Add On catless downpipes

BMW X4 M40i 2018 Stage:Stage 1 and a more exhilarating drivingExpertly 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