BMW M4 Competition 2023 femto Requires ECU to be mailed

Requires ECU to be mailed in

Stock Trans with Dodson Sportsman 9/9

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 550i has

1600HP Capable with E85

BMW M4 Competition 2023 femto Requires ECU to be mailedExpertly 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