BMW M4 2026 bench flash 91 or 93 Octane Gasoline

91 or 93 Octane Gasoline

AMS Air/Water Intercoolers utilizing Garrett Cores

AMS Titanium Bolt Kit

AMS Performance R8/Huracan ALPHA Fuel System – Twin Pump Kit

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

BMW M4 2026 bench flash 91 or 93 Octane GasolineExpertly 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