MMX BMW G80/G81 M3 & G82/G83 M4 S58 Engine Power Control ModuleUnlock the full potential of your BMW G80 G81 M3 or G82 G83 M4 with the MMX Power Control Module (PCM) a plug and play performance upgrade that delivers huge gains in power and torque while remaining removable and undetectable. Developed as a smarter alternative to ECU tuning, the PCM works in parallel with the factory ECU, using MMXs in house developed calibration on a standalone PCB. By safely optimising multiple sensor signals including charge air
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MMX BMW G80/G81 M3 & G82/G83 M4 S58 Engine Power Control Module