BMW X3 M40i 2020 Stage:Stage 1 More horsepower

More horsepower

do not do this

Requires ECU to be mailed in

tune and shipping

You must fill out and include a copy of the ECU Information form along with your ECU upon sending it in

BMW X3 M40i 2020 Stage:Stage 1 More horsepowerExpertly 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