BMW M6 2018 Stage:Stage 3 We recommend one-step colder spark

We recommend one-step colder spark plugs for better performance

You will need a Windows 7+ laptop for this process

You must fill out and include a copy of the ECU Information form along with your ECU upon sending it in

Shipping costs for sending handheld will be added at checkout

The ECU will be tuned the same day it is received and DME Tuning will then ship back the ECU using FedEx Overnight shipping

BMW M6 2018 Stage:Stage 3 We recommend one-step colder sparkExpertly 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