Pay in 4 interest-free payments of $224.88 Learn more
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
do not do this
Check Engine Light removal for downpipes (off-road use only)
Proprietary AMS Gearworks Internal Modifications
1600HP Capable with E85
AMS TCU Tune
BMW M550i 2018 ECU Tune Stage:Stage 2 do not do thisExpertly 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
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