Mercedes AMG GT53 2021 Stage:Stage 1 Please contact us with your

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

Shipping costs for sending OBD Cable will be added at checkout

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

We ship you a My Genius handheld device which requires a Windows 7+ computer to pass files in between

Installation Hardware

Mercedes AMG GT53 2021 Stage:Stage 1 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