BMW M235xi 2013 iflash We recommend a one-step colder

We recommend a one-step colder spark plugs for better performance

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

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

All available features for your tune will be discussed when our staff members are assisting you at your appointment time

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

BMW M235xi 2013 iflash We recommend a one-step colderExpertly 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