BMW X3M 2021 mapswitching AMS Exhaust X Pipe w/

AMS Exhaust X Pipe w/ Tungsten Ceramic Coating

The ECU will be tuned the same day it is received and DME Tuning will then ship back the ECU using whatever method it was shipped in with

CPC (computer powertrain control) is not the same as the ECU (engine control unit)

BMW Bench Flash Expertly calibrated and meticulously refined

BMW X3M 2021 mapswitching AMS Exhaust X Pipe w/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 mid range, acceleration out of your favorite corner and onto the straight is noticeably quicker throughout the rev range. DME