BMW 428xi 2013 Stage:Stage 2 OBD tunes allow customers to

OBD tunes allow customers to simply plug in a cable and upgrade their ECU

we will ship it back via Ground

(For example: If you send in your ECU via Ground shipping

We also recommend changing your spark plugs and Primary O2 sensors every 15k miles

Requires ECU to be mailed in

BMW 428xi 2013 Stage:Stage 2 OBD tunes allow customers 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