MHD F+G Series

The MHD Flasher F+G Series is a comprehensive flash tuning application for your BMW.

The MHD Flasher F+G Series offers a complete flash tuning solution for your BMW and Toyota Supra A90. Unlike piggyback modules, it performs full DME remapping while preserving all OEM safety features, delivering maximum performance, safety, and superior drivability.

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Full OBD Flashing:

Install MHD at home and start tuning right away. Just download the MHD Flasher F+G Series app, connect via an MHD WiFi adapter to your vehicle’s OBD-II port, and complete initial setup in about 5 minutes. Future map changes are even faster—just 20 seconds. You can always restore the original factory flash at any time, and no initial backup is needed.

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Stage 1, Stage 2, and E85 OTS (Off The Shelf) Maps by PureBoost:

N55 EWG (Vehicles produced after 07/2013 with electronic wastegate):

- Stage 1 (up to 360 HP / 540 NM) (not available for M2 and X4 M40i)

- Stage 2 (up to 390 HP / 580 NM)

- Stage 2+ (up to 430 HP / 630 NM)

- Ethanol Mix Maps: Stage 1, 2 and 2+ E20 Maps for 20% ethanol blends

N55 PWG (pneumatic wastegate):

- Stage 1 (up to 340 HP / 540 NM)

- Stage 2 (up to 370 HP / 580 NM)

- Stage 2+ (up to 400 HP / 630 NM)

- Ethanol Mix Maps: Stage 1, 2 and 2+ E20 Maps for 20% ethanol blends

S55 (BMW M3 / M4 F8x):

- Stage 1 (up to 530 HP / 700 NM)

- Stage 2 (up to 560 HP / 780 NM)

- Ethanol Mix Maps: Stage 1, 2 and 2+ E30 Maps for 30% ethanol blends

B58:

- Stage 1 (up to 440 HP / 600 NM)

- Stage 2 (up to 470 HP / 650 NM)

- Stage 2+ HPFP (up to 500 HP / 700 NM)

- Ethanol Mix Maps: Stage 1 and 2 Maps for up to 30% ethanol blends

S58:

- Stage 1 (up to 630 HP / 750 NM)

- Stage 2 (up to 700 HP / 850 NM)

- Ethanol Mix Maps (up to 750 HP / 880 NM): Stage 1 & 2 E30+ Maps for 30%+ ethanol blends

S63:

- Stage 1 (up to 720 HP / 900 NM)

- Stage 2 (up to 780 HP / 950 NM)

- Ethanol Mix Maps (up to 800 HP / 1000 NM): Stage 1 and 2 Maps for 30%+ ethanol blends

N13:

Stage 1 (up to 200 HP / 280 NM, 93 octane / 98 RON)

Stage 2 (up to 235 HP / 350 NM, 93 octane / 98 RON)

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MHD+ Custom Code: Live Tuning – On-The-Fly Map Switching – On-The-Fly Exhaust Flap Control – Anti Lag – Flex Fuel – Single Bank – KnockCEL – No Lift Shift – Shift Brap – Full Motiv ReFlex 2 Way CANBUS integration with DME PI control

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Full Data Logging and Live Gauges: Monitor engine behavior with a responsive, configurable gauge layout that shows 50+ engine parameters at a glance, helping ensure everything runs perfectly.

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Apply these flash options directly through the app to any map:

- Anti Lag (currently N55/S55/N13 only)

- Exhaust Burble (duration & aggressiveness, min/max speed, min/max RPM)

- Remove top speed limiter (Vmax)

- Cold start noise reduction

- Exhaust flap open in sport mode

- Power limitation per gear

- XHP TCU flash support (optimized OTS maps)

- Sport cooling mode for enhanced water/air intercooler cooling

- and many more

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Visit our homepage and user manual for more details, supported vehicles, and recommended modifications for each stage.

What's New in the Latest Version 4.78

Last updated on Oct 23, 2024

- Added flash option support for the Gen2 Dorch DS25 HPFP.
- Fixed hot start issue on Gen2 B58 ethanol OTS maps.