MHD F+G Series

MHD Tuning UG

In-app purchases

About this app

The MHD Flasher F+G Series is a complete flash tuning app for your BMW & Toyota Supra A90. Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms. This allows for maximum performance, maximum safety, and unrivaled drivability.
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Full OBD Flashing:
You can install MHD right at home and start tuning immediately! Simply download the MHD Flasher F+G-Series app that connects via a MHD WiFi adapter and your vehicle’s OBD-II port, start the app and within 5 minutes the initial installation is complete. Further map changes are much faster - only 20 seconds! You can revert your vehicle to the factory OEM flash at any point, and no initial backup is necessary.
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Stage 1, Stage 2 und E85 OTS (Off The Shelf) Maps by PureBoost:

N55 EWG (Vehicles built after 07/2013 with electronic wastegate):
- Stage 1 (up to 360HP/540NM) (not available for M2 and X4 M40i)
- Stage 2 (up to 390HP/580NM)
- Stage 2+ (up to 430HP/630NM)
- Ethanol Mix Maps: Stage 1, 2 and 2+ E20 Maps for ethanol blends of 20%

N55 PWG (pneumatic wastegate):
- Stage 1 (up to 340HP/540NM)
- Stage 2 (up to 370HP/580NM)
- Stage 2+ (up to 400HP/630NM)
- Ethanol Mix Maps: Stage 1, 2 and 2+ E20 Maps for ethanol blends of 20%

S55 (BMW M3 / M4 F8x):
- Stage 1 (up to 530HP/700NM)
- Stage 2 (up to 560HP/780NM)
- Ethanol Mix Maps: Stage 1, 2 and 2+ E30 Maps for ethanol blends of 30%

B58:
- Stage 1 (up to 440HP/600NM)
- Stage 2 (up to 470HP/650NM)
- Stage 2+HPFP (up to 500HP/700NM)
- Ethanol Mix Maps: Stage 1, 2 Maps for ethanol blends of 30%

S58:
- Stage 1 (up to 630HP/750NM)
- Stage 2 (up to 700HP/850NM)
- Ethanol Mix Maps (up to 750HP / 880NM): Stage 1 & 2 E30+ Maps for - ethanol blends of 30%+

S63:
- Stage 1 (up to 720HP/900NM)
- Stage 2 (up to 780HP/950NM)
- Ethanol Mix Maps (up to 800HP/1000NM): Stage 1 and 2 Maps for ethanol blends of 30%+

N13:
Stage 1 (up to 200HP/280NM, 93oct/98RON)
Stage 2 (up to 235HP/350NM, 93oct/98RON)
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Full Data Logging and Live Gauges: Monitor your engine behavior to make sure it is running perfectly using a configurable and very responsive gauge layout. 50+ engine parameters are available at a glance!
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These flash options can be applied to any map directly through the app:

- Anti Lag (N55/S55/N13 only at the moment)
- Exhaust Burble (duration & aggressiveness, min/max speed, min/max rpm)
- Remove top speed limiter (Vmax)
- CAN ethanol content reading (N55/S55/N13 only at the moment)
- Cold start noise reduction
- Exhaust flap open in sport mode
- Limit power per gear
- XHP TCU flash support (optimized OTS maps)
- Sport cooling mode for increased water / air intercooler cooling
- and many more
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Check out our homepage / user manual for more information, supported cars and recommended modifications for each stage.

Ratings and reviews

Wonderful app with plenty of features to let you customize everything to your liking. Note on the usefulness of the "monitoring". This is by far the best live monitoring I've seen on any mobile application, with multitudes of options (e.g., trans temps, cyl. correction, coolant temp). Highly advise buying the mhd specific wifi dongle before first use, it will speed up your data process by a lot. All while giving you wire free capabilities.

The tune is great, super smooth and really powerful. It's awesome to be able to easily load a tune at home. I've had tunes loaded by shops on other cars and it meant spending hours in their waiting room while they fumbled around figuring out software and talking to the tuning company. This took me about 5 minutes of actual work and 40 minutes of wait time, at home, where I could have a beer and do other things. Flawless process and performance.

This is one of the best apps I've ever used. It makes tuning your BMW so easy that anyone can do it. Simply purchase an OBD cable, or the $70 MHD WiFi Adapter. The WiFi Adapter allows you to switch maps in around 20 seconds which is needed when you are running custom tunes, e-85/fueling tunes, or want to change the burble options on your exhaust. The amount of customizability is great on the app with the N55 engine! Highly recommend!

What's new

- Added M2 N55 Stg HPFP maps.
- Added single bank fueling flash option for single turbo S55 cars.
- Added automatic start/stop (MSA) disable flash option for b58gen1, N55, S55, N13, S63 f10/f85
- Added easy import of custom log channels files (provided by tuner or MHD team).
- Updated N55 Dorch HPFP settings.
- Added advanced RAM logging support for more roms.
- Fixed N55 EWG Stg2 HPFP MultiMap app crash when flexfuel is active.
- Fixed S55 OPF delete 1A2809 code.