BMW 840i 2020 femto Please contact us with your

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

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

The mail in form is available for download on the bottom of our homepage

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

We will email you a tuned file based on your request which you load into the device and flash the car

BMW 840i 2020 femto Please contact us with yourExpertly 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