BMW X3 xDrive 30i 2018 Stage:Stage 1 Expertly calibrated and meticulously refined

Expertly calibrated and meticulously refined

We recommend one-step colder spark plugs for better performance

Shipping costs for sending an ECU to and from DME Tuning is the responsibility of the purchaser

Please contact us with your VIN if you are unsure what motor your 2013 550xi has

BMW X3 xDrive 30i 2018 Stage:Stage 1 Expertly calibrated and meticulously refinedExpertly 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