BMW 428xi 2016 Stage:Stage 2 we will ship it back

we will ship it back via Overnight

You will be emailed a download link with detailed instructions after adding this to your cart and checking out

We recommend a one-step colder spark plugs for better performance

Extend or add burble/flames

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

BMW 428xi 2016 Stage:Stage 2 we will ship it backExpertly 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