BMW 640xi 2015 Stage:Stage 2 Done at the comfort of

Done at the comfort of your home with your windows computer

Shipping costs for sending OBD Cable will be added at checkout

we will ship it back via Ground

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

NOTE: Only for N63TU MOTORS

BMW 640xi 2015 Stage:Stage 2 Done at the comfort ofExpertly 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