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MHD Flasher is the first Android and iOS handheld application to bring ECU tuning and monitoring to the BMW N54 , N55 , S55 , B58 , S58 , S63 and N13 engine.
The MHD Flasher reveals the immense margin of power BMW left on the table with the N54 , N55 , S55 , B58 , S58 , S63 and N13 engine, while still retaining the sophistication of the original engine management program.