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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
We recommend one-step colder spark plugs for better performance
OBD tunes allow customers to simply plug in a handheld and upgrade their ECU
You will be charged overnight return shipping at checkout
Requires ECU to be mailed in
We will email you a tuned file based on your request which you load into the device and flash the car
BMW 428xi 2015 Stage:Stage 2 We recommend one-step colder sparkExpertly 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
