BMW 640xi 2018 mapswitching Check engine light removal for

Check engine light removal for catless (off-road use only)

You will be charged overnight return shipping at checkout

Top speed limiter removal when available

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

of torque through the mid-range

BMW 640xi 2018 mapswitching Check engine light removal forExpertly 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