BMW 650i 2013 Stage:Stage 2 We send you an OBD

We send you an OBD cable and remotely tune the car using remote desktop software called TeamViewer

This upgrade requires you to send us your ECU for re-programming

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

We also recommend changing your spark plugs and Primary O2 sensors every 20k miles

BMW 650i 2013 Stage:Stage 2 We send you an OBDNOTE: Only for N63TU MOTORS. Not for N63 motors. Please contact us with your VIN if you are unsure what motor your 2013 550i has. Expertly 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