mhd n54

mhd flasher is the first mobile 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 and n13 motor, while still retaining the sophistication of the original software.