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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > MHD N55 E-Series - general discussion



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      10-26-2016, 04:44 PM   #1
MHD Tuning
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It's time for MHD to enter the open beta state on N55 E Series! You'll find below the product description.

The app is in an open beta state. It is fully functional but may need here and there some polish. Currently only the stage 1 maps (stg1 and 1+ for acn91-91-93-95oct) are available.
It won't take long before we add the stage 2 maps, maybe a week. So long the stage 2 maps are not available, you can purchase a stage 2 license and flash the stage 1 maps. And once the stage 2 are available, your stage 2 license will be valid for the stage 2 maps.

The user guide is a good place to start, especially is you need a reliable KDcan cable (page 5 of the user guide, available in the app or at http://www.twisted-visionz.com/mhdguide).

Have fun, drive safe and we're looking forward to your feedback - both in terms of logs and driving experience. The maps will quickly evolve as we get the precious community's feedback.

================================================== ==========================================
MHD Flasher is the first Android handheld application to bring ECU tuning and monitoring to the BMW N55 engine for E series. The MHD Flasher reveals the good margin of power BMW left on the table with the N55 while still retaining the sophistication of the original engine management program.

→ Easy to install
Connect any compatible Android device to your car using a standard K+Dcan cable along with an OTG USB adapter, install one of the pre-purchased MHD maps and enjoy the power and performance benefits of the MHD maps by Twisted Tuning.

→ Keep an eye on the tuning
Monitor your engine behavior using a configurable gauges layout to keep an eye on any of the 50+ engine monitors like oil temp, boost pressure, actual load or individual cylinder ignition timing. Activate the logging mode to save up to 50 monitors to a standard CSV file for later analysis. Track issues by reading the error codes, and delete them once resolved.

→ Flash your ECU back to a stock anytime, as often as you need to. No ECU backup is needed.

→ Custom tuning support
As an alternative to built-in maps, many tuners can provide advanced custom mapping for those who have higher or special performance needs.

The MHD Flasher can be downloaded here: https://play.google.com/store/apps/d...hd.flasher.n55

Main features description:

═══ Flasher module ═══
- Flash built-in maps (purchased separately), custom user-tuned .BIN files or JB4 flash maps.
- Provides an ever growing list of handy options like PPK exhaust burble duration or cold start noise reduction.
- Read / delete engine trouble codes.
- Reset adaptation values (Lambda sensors, Lambda regulation, Octane rating, VANOS, Throttle, and Battery).
- 4 minutes map switching; initial install time: 33 mins (this will be improved later)

═══ Monitor module ═══
- Extensive logging values list, up to 50 values at the same time.
- Save logging session to .CSV files
- Integrated csv log viewer
- Up to 8 configurable gauges
- Automatic or manual log session start.

═══ Optional MHD maps packs ═══
- Maps by Twisted tuning
- Stage 1 pack. Eight maps: 4 fuel octane variants, stock / upgraded FMIC variants.
- Stage 2 pack. Eight maps: 4 fuel octane variants, stock / upgraded FMIC variants. High flow downpipes recommended.
- Ethanol mix map (e30). FMIC+DPs recommended.

Supported vehicles: N55 equipped Exx series.

!!! Important !!! Vehicle equipped with a MEVD1726 DME (built dating from around 03-2012) need a once time DME removal and bench flash to allow OBD flashing. See FAQ below.

2010-2013 135i, 135is and 335i
2013-2015 X1 xDrive 35i
2010-2013 X5 xDrive 35i
20112014 X6 xDrive 35i


This racing product is for competition closed course use only.

Required hardware:
- 1 device running Android 3.2 and up, USB OTG compatible.
- 1 K+Dcan cable. See page 5 of the user manual for a recommended cable: http://www.twisted-visionz.com/mhdguide
- 1 USB OTG cable.

Price list (licenses are VIN Locked and stored by Google along your Play store account):
- Flasher module: $199
- MHD maps packs: $49 each. Requires the Flasher module.
- Monitor module: $69

FAQ

Q: Can I test the connection before making a purchase?
A: Yes, simply tap the MHD Store button. The ECU connection is checked before displaying available purchases.

Q: Does my Android device need to be permanently plugged to the OBD port?
A: No. Once a flash is performed you can unplug your device.

Q: Do I lose my licenses if I delete the app or the Android device breaks?
A: No. licenses are stored online by Google, you can use your purchases on another device as long as you use the same account on Play store.

Q: Do I need to purchase a new license each time I flash a map?
A: No, you can ref lash as many times as needed.

Q: Is a battery charger required?
A: It is highly recommended for long flashes (install, uninstall). A healthy battery will handle short flashes (map changes) fine but the use of a battery charger remains recommended.

Q: How can I determine if the DME is directly flashable or needs a one time bench flash?
A: got to http://www.realoem.com/bmw/enUS/select and enter the last 7 digits of your VIN in serial number. Click Browse parts the ENGINE ELECTRICAL SYSTEM and check both CONTROL UNITS > MEVD1726 section. If the it says "No parts found matching your car." you have a MEVD172 which is directly flashable.
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      10-26-2016, 04:49 PM   #2
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Have at it everyone. The more feedback we get. The faster the OTS Maps will improve. Any feedback or logs or issues. Please let's us know. My email is in my sig.

Excited Much!
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      10-26-2016, 04:53 PM   #3
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Oh hell yes.
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      10-26-2016, 05:13 PM   #4
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Quote:
Originally Posted by Justin@MHD View Post
Have at it everyone. The more feedback we get. The faster the OTS Maps will improve. Any feedback or logs or issues. Please let's us know. My email is in my sig.

Excited Much!
Thanks Justin. I do not see your signature and I am on a desktop.
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      10-26-2016, 05:15 PM   #5
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      10-26-2016, 05:36 PM   #6
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Quote:
Originally Posted by Turbod View Post
Thanks Justin. I do not see your signature and I am on a desktop.
Hmm, I'll check on that. But it's: twistedtuned at gmail
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      10-26-2016, 05:38 PM   #7
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So are we able to customize our own flash based off of the stage 1 or 2 when available? Or the intent is the OTS tune is to be customized.
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      10-26-2016, 05:42 PM   #8
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I have an MEVD172 ECU so no bench flash makes me happy.

Couple questions:

1. I have the PPK flash. Does MHD flasher first back up whatever map the car starts with so you can go back to it?

2. Any timeline on when Stage 2 maps will be available?
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      10-26-2016, 05:45 PM   #9
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Quote:
Originally Posted by weehe126 View Post
So are we able to customize our own flash based off of the stage 1 or 2 when available? Or the intent is the OTS tune is to be customized.
The OTS Maps won't be customizable in the fashion in which you are asking. They will be locked.

Within the app there is an option to "generate bin". Which will generate a current stock bin that would be your stock DME file for self tuning.
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      10-26-2016, 05:46 PM   #10
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Quote:
Originally Posted by MHD Tuning View Post

It won't take long before we add the stage 2 maps, maybe a week. So long the stage 2 maps are not available, you can purchase a stage 2 license and flash the stage 1 maps. And once the stage 2 are available, your stage 2 license will be valid for the stage 2 maps.
Quote:
Originally Posted by AtlasM View Post
I have an MEVD172 ECU so no bench flash makes me happy.

Couple questions:

1. I have the PPK flash. Does MHD flasher first back up whatever map the car starts with so you can go back to it?

2. Any timeline on when Stage 2 maps will be available?
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      10-26-2016, 06:22 PM   #11
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      10-26-2016, 06:22 PM   #12
MHD Tuning
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Quote:
Originally Posted by AtlasM View Post
I have an MEVD172 ECU so no bench flash makes me happy.

Couple questions:

1. I have the PPK flash. Does MHD flasher first back up whatever map the car starts with so you can go back to it?

2. Any timeline on when Stage 2 maps will be available?
No backup on n55. MHD N55 does not overwrite the UIF so the same map (normal or ppk) will be restored if you uninstall MHD.
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      10-26-2016, 06:36 PM   #13
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Quote:
Originally Posted by Justin@MHD View Post
Have at it everyone. The more feedback we get. The faster the OTS Maps will improve. Any feedback or logs or issues. Please let's us know. My email is in my sig.

Excited Much!
Hi Justin,

At present, I have the Dinan Stage II software installed in my car. Do I need to have that remov d or can this be used as my "stock" and then I could install MHD?
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      10-26-2016, 06:51 PM   #14
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What kind of bump in boost does stage 1 give for an otherwise stock 93 pump gas car? Trying to figure out if I can try it before the charge pipe gets here....
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      10-26-2016, 06:58 PM   #15
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Awesome!
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      10-26-2016, 07:00 PM   #16
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Just to clarify, I have the 3.5bar n20 sensor installed. The guide says to check the option if you have it installed, but not to check it if you have jb4 installed. I have the n20 sensor and the jb4 so I don't check the option? Just wondering if this still applies to N55.
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      10-26-2016, 07:01 PM   #17
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Awesome. Can't wait to flash my car now.
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      10-26-2016, 07:11 PM   #18
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Just bought the stage2 maps but for some reason the stage 2 maps are greyed out but i can flash sage 1 which i didnt buy?
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      10-26-2016, 07:11 PM   #19
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Quote:
Originally Posted by Rahim e92 View Post
Just to clarify, I have the 3.5bar n20 sensor installed. The guide says to check the option if you have it installed, but not to check it if you have jb4 installed. I have the n20 sensor and the jb4 so I don't check the option? Just wondering if this still applies to N55.
If you have a jb4 installed. The OTS Maps are NOT meant for your user base. You need a BEF to work with JB4. And you should seek info for that on BMS site for the BEF.
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      10-26-2016, 07:13 PM   #20
Justin@MHD
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Quote:
Originally Posted by Keenan35i View Post
Just bought the stage2 maps but for some reason the stage 2 maps are greyed out but i can flash sage 1 which i didnt buy?
Stage 2 maps will be available in a week or so. You guys should really ready the first post. Currently while the Stage 2 maps are not ready. Your license will be for the stage 2 and include the available stage 1 Maps until the stage 2 are available and then you can run the stage 2 maps.
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      10-26-2016, 07:16 PM   #21
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Quote:
Originally Posted by MadToy View Post
What kind of bump in boost does stage 1 give for an otherwise stock 93 pump gas car? Trying to figure out if I can try it before the charge pipe gets here....
Stage 1 currently 12-13psi
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      10-26-2016, 07:17 PM   #22
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Quote:
Originally Posted by Justin@MHD View Post
Quote:
Originally Posted by Rahim e92 View Post
Just to clarify, I have the 3.5bar n20 sensor installed. The guide says to check the option if you have it installed, but not to check it if you have jb4 installed. I have the n20 sensor and the jb4 so I don't check the option? Just wondering if this still applies to N55.
If you have a jb4 installed. The OTS Maps are NOT meant for your user base. You need a BEF to work with JB4. And you should seek info for that on BMS site for the BEF.
Do I have to completely remove the jb4 from the car to run mhd or can I just turn the jb4 off?
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