The MHD Flasher F+G Series is a complete flash tuning app for your BMW. 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! There is no need to remove and send out your DME for a costly “unlock.” Simply download the MHD Flasher F-Series app that connects via a K+DCAN cable to your Android device and your vehicle’s OBD-II port, start the app, and within 15-25 minutes the initial installation is complete. Further map changes are much faster - only 1-3 minutes! 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 420HP/580NM)
- Stage 2 (up to 470HP/630NM)
- Ethanol Mix Maps: Stage 1, 2 Maps for ethanol blends of 30%
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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!

These are some of the available monitors:

- Boost, Boost Target
- Lambda (AFR)
- Intake Air Temp (IAT)
- Ignition Timing per Cylinder
- Coolant Temperature
- Oil Temperature, Oil Pressure
- Transmission Temperature
- High Pressure Fuel Pump (HPFP)
- Throttle Position
- Wastegate Duty-Cycle (WGDC)
- RPM
- Speed
- EGT
And many more…

MHD exclusive advanced monitor:

- Timing Corrections per Cylinder
- Boost target EX which can read higher than 22.x psi (the BMW boost target channel can't)
- Base Compressor Axis: Boost Setpoint, MAF req WGDC.
- Active Torque Limiters
And many more…
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These flash options can be applied to any map directly through the app:

- Exhaust Burble (duration & aggressiveness, min speed, min rpm)
- N20 Map Sensor (on N55)
- Remove top speed limiter (Vmax)
- Cold start noise reduction
- Exhaust flap open in sport mode
- Limit power per gear
- XHP TCU flash support (optimizied OTS maps)
- Sport cooling mode for increased water / air intercooler cooling (B58 only)
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Supported Cars:

M135i F2x N55 2012 - 2016
M235i F2x N55 2013 - 2016
M2 F87 N55 2015 - 2018
335i N55 F3x 2011 - 2015
435i N55 F3x 2013 - 2016
535i / GT N55 F1x 2010 - 2017
640i N55 F0x 2011 - 2017
740i N55 F0x 2012 - 2015
X3 35i N55 F25 2010 - 2017
X4 35i / M40i N55 F26 2014 - 2018
X5 40i N55 F15 2013 - 2018
X6 40i N55 F16 2014 - 2018

M3 S55 F80 2014 - 2019
M4 S55 F82 2014 - 2019
M4 S55 F83 2014 - 2019

M140i F2x 2012 - 2019
M240i F2x 2016 - 2019
340i F3x 2015 - 2019
440i F3x 2016 - 2019
540i G3x 2017 -
640i GT G32 2017 -
740i G1x F0x 2015 -
X3 M40i G01 2017 -
X4 M40i G02 2018 -
X5 40i G05 2018 -
Z4 M40i G29 2019 -

114i F2x 2012 - 2015
116i F2x 2011 - 2015
118i F2x 2011 - 2016
120i F2x 2015 - 2017
316i F3x 2012 - 2018

X-Drive is supported on all cars.
All performance power kit cars are supported.

Check out our homepage / user manual for more information and recommended modifications for each stage.