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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > MHD Flasher N54 | Stage 1 - 91 Octane | 1st Time Tune | Impressions!



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      05-29-2015, 07:25 PM   #1
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Thumbs up MHD Flasher N54 | Stage 1 - 91 Octane | 1st Time Tune | Impressions!

Hey everyone, as some of you may know, I'm pretty new to the scene. I've only been around for a little over 3 months now. Anyway, my car is completely stock, with the exception of a custom Elite Exhaust. No FMIC, Charge Pipe, etc.

As almost all of us are aware, the storied tuning options for us have been both COBB and JB4 (with a few others, but the aforementioned two are the most popular). Now however not only has a new competitive option arrived (MHD Flasher), but also a new means of "achieving" said tune(s). Via an Android capable device (only), one is easily able to tune their N54 based 335i with a simple K+DCAN cable, an OTG cable, an Android device, and a Battery Maintainer (recommended but I believe not necessary).

The process is incredibly easy, fluid, and simplistic. Even the most technologically inept person can flash their ECU and run into zero problems by simply following these 10 Steps:

1) Open car door, lower down both windows (I lowered the second one to reach for things I had in my passenger seat).
2) Open hood latch, connect battery maintainer (recommended)
3) Turn ignition ON (do not start the car--car must be off.), connect OBD (K+DCAN) cable--your Android device/MHD app will automatically recognize the cable/car.
4) Turn off your lights via the switch to the left of your wheel. Through iDrive turn off all lights through the settings menu.
5) Turn on Airplane mode on your device.
6) Leave your device on your seat, exit car, close the car door (with window lowered), reach in, open MHD Flasher and begin the process.
7) Choose the Stage of your desire (make sure you have the appropriate upgrades for the correlating stage) and begin the flash.
8) DO NOT open your car door or even bother with your car while the flash is in progress.
9) The MHD app does a wonderful job of keeping you updated; sit back, relax, go read something while MHD is working its magic.
10) For me the flash took 38 minutes & 44 seconds. Not too bad, I wasn't in a hurry at all. Others have reported shorter flash times; I believe it depends on the year of your car (mine is a 2010 E92). When the flash is complete, turn the ignition off. Turn back on (start) your vehicle and enjoy!

Impressions:

Just wow, it's almost as if I have an entirely new vehicle. I felt the throttle response immediately as I was driving off (I didn't opt for the linear throttle option). The power delivery is extremely smooth and there is a significant different feel/upgrade from stock form. I can only imagine how FBO or FBO + upgraded turbos feel.

2nd gear feels a little conservative, but definitely more power than stock. 3rd gear is where you begin to really feel the "added" power--immediately being pushed back into your seat and I can't stress enough how exhilarating that feeling is.

The car pulls all the way to red-line. It's like as if the car just wants to "GO GO GO!". There's none of that feeling where the car tends to fall flat when stock when approaching red-line.

Gears change seamlessly and power delivery continues successively. Definitely worth every penny!

I'm not sure if I'm able to post this, but I hope it's appreciated, for as I'm not only a first time tuner, but I haven't seen any reviews/experiences posted of the MHD Flasher. The app is still in BETA so there's still lots of room for even more improvement and things to be fleshed out.

Complaints?
None as of yet. Other than the current lack of monies (or rather going FBO right now would be economically irresponsible )

Products used:
Android Device: Nexus 7

K+DCAN Cable: http://e-bmw.ecwid.com/#!/BMW-Exx-K+...egory=12363305

OTG Cable: http://www.amazon.com/gp/product/B00...ilpage_o02_s00

MHD Flasher: https://play.google.com/store/apps/d...sher.n54&hl=en

I can confirm all of the aforementioned products worked successfully and flawlessly with a 2010 E92 335i.

Cheers everyone!

Last edited by YouAreMyWorld; 05-29-2015 at 07:31 PM.
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      05-29-2015, 08:05 PM   #2
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Curious, did you flash v3 or v4?
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      05-29-2015, 09:24 PM   #3
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Quote:
Originally Posted by Sgop335 View Post
Curious, did you flash v3 or v4?
I flashed v4
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      05-29-2015, 09:45 PM   #4
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Quote:
Originally Posted by YouAreMyWorld View Post
I flashed v4
Cool, ty.

Drive hard, any misfires?
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      05-29-2015, 10:17 PM   #5
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Quote:
Originally Posted by Sgop335 View Post
Cool, ty.

Drive hard, any misfires?
You're welcome.

I did a few WOT's & about 20-30 miles worth of driving. Zero misfires or malfunctions of any nature.

Will know a little more in detail tonight when I have to run some errands and traffic won't be as hectic to be able to push things more safely.

I will report back just in case. I'm actually surprised; I expected to get a misfire due to spark plugs--will test a little more. Perhaps my sparks were recently before I purchased my vehicle. Either way, zero issues and as far as my vehicle is handling everything, I don't expect any at all.

As always, hoping for the best.^_^
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      05-29-2015, 10:57 PM   #6
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Yeah, I read about that. Most people are very happy with the tunes, and that's why JB4 and COBB are selling for 100 bucks cheaper on the forum everywhere now. Sucks that Apple users can't really take advantage of this yet. But I'm sure it will come soon.

Btw, how much money did you spend on the tune so far? From my understand, you purchase different maps according to your car's bolt on capability. Wonder if it will end up costing more than JB4 + Cobb stacked.
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      05-29-2015, 11:04 PM   #7
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Quote:
Originally Posted by Harrychiu012 View Post
Yeah, I read about that. Most people are very happy with the tunes, and that's why JB4 and COBB are selling for 100 bucks cheaper on the forum everywhere now. Sucks that Apple users can't really take advantage of this yet. But I'm sure it will come soon.

Btw, how much money did you spend on the tune so far? From my understand, you purchase different maps according to your car's bolt on capability. Wonder if it will end up costing more than JB4 + Cobb stacked.
Tune alone, since the app is on sale right (I believe due to it's beta stage) now, I believe it was $130? Somewhere around there if not less.

I bought my Nexus 7 two years ago, so I won't factor in the price for that.

Cable was $50 and OTG cable was like $4?

So in all, a little less than $200 for everything. More than worth the price. And I'm sure you can borrow a friends phone (that's Android) for a few, as I'm sure we all know of someone that has some sort of Android device.

If not, then I'm sure you can find some off the shelf Android device for $75 or less. Doesn't need to be top notch, just capable or running one of the latest Android OS'.

Besides the awesome price point, the flexibility of the app (MHD) itself by allowing you to flash your own custom tune (should you fancy making one yourself) or a custom tune by Wedge, etc., as many times as you want, and load JB4 back end flashes is what makes everything more than worth it. You're not constricted by antiquated means anymore.
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      05-30-2015, 08:08 AM   #8
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Quote:
Originally Posted by YouAreMyWorld View Post
You're welcome.

I did a few WOT's & about 20-30 miles worth of driving. Zero misfires or malfunctions of any nature.

Will know a little more in detail tonight when I have to run some errands and traffic won't be as hectic to be able to push things more safely.

I will report back just in case. I'm actually surprised; I expected to get a misfire due to spark plugs--will test a little more. Perhaps my sparks were recently before I purchased my vehicle. Either way, zero issues and as far as my vehicle is handling everything, I don't expect any at all.

As always, hoping for the best.^_^
Thanks let me know.
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Last edited by Sgop335; 05-30-2015 at 08:32 AM.
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      05-30-2015, 07:16 PM   #9
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Quote:
Originally Posted by Harrychiu012 View Post
Yeah, I read about that. Most people are very happy with the tunes, and that's why JB4 and COBB are selling for 100 bucks cheaper on the forum everywhere now. Sucks that Apple users can't really take advantage of this yet. But I'm sure it will come soon.

Btw, how much money did you spend on the tune so far? From my understand, you purchase different maps according to your car's bolt on capability. Wonder if it will end up costing more than JB4 + Cobb stacked.
Just buy a $50 android tablet off ebay and youre set. No reason to restrict yourself by falling victim to apple.
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      05-30-2015, 08:24 PM   #10
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Quote:
Originally Posted by Harrychiu012 View Post
Yeah, I read about that. Most people are very happy with the tunes, and that's why JB4 and COBB are selling for 100 bucks cheaper on the forum everywhere now. Sucks that Apple users can't really take advantage of this yet. But I'm sure it will come soon.

Btw, how much money did you spend on the tune so far? From my understand, you purchase different maps according to your car's bolt on capability. Wonder if it will end up costing more than JB4 + Cobb stacked.
From what I've read I don't think this will ever work with Apple. Its something to do with how Apple locks their system and it can't communicate with the car.
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      05-30-2015, 08:52 PM   #11
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Very nice review & brief DIY! I'm doing my flash tomorrow

I know a battery maintainer isn't REQUIRED, but when you're flashing the DME, regardless of how (BB, MHD, COBB) a consistent, and adequate charge and power supply is needed. Myself, and others who have older batteries should definitely have a battery charger hooked up. Terry recommends 10A+ but I'd imagine a fairly good battery would be fine with a bit less.
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      05-30-2015, 10:44 PM   #12
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Nice review! I just flashed (Stage 1 map 91) and oh myyyy.... I'm coming from a JB PLUS and also a first time tuner. Install was a breeze and simple. After the flash I started her up and i noticed my fan going super fast and just loud, i scanned for codes and I got the 2ee6 code,cooling fluid sensor. I cleared it and restarted the car and it's been ok after my little drive around town. I'm very pleased with this tune, awesome. What a big power difference! My boost gauge was hitting 15psi compared to the 10psi that the JB PLUS was giving me. I'm only running DCI, muffler delete, and stock CP with a HKS BOV.
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      05-31-2015, 03:46 PM   #13
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So, JB4 set to Map 0 to disable, and allow OBD comm. But MHD shows Error 6-no cable.

Ignition ON Engine OFF
Cable is the one from eBay Wedge posted awhile back, and others recommended.
OTG cable being used for Nexus phone has been used plenty of times with JB4 Mobile app.

Any ideas?

Cable: http://www.ebay.com/itm/K-D-CAN-DCAN...efaultDomain_0

Mfr date: 03/08 i8a0s
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Last edited by 335NJ; 05-31-2015 at 04:20 PM.
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      05-31-2015, 04:18 PM   #14
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Cool find man- thanks for sharing!

Let's talk numbers- what are the real world gains, in HP and torque?

Anyone have plans to dyno this flash?

Are the gains enough to warrant additional cooling and upgrades to maintain vehicle performance?
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      05-31-2015, 04:22 PM   #15
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Quote:
Originally Posted by 335NJ View Post
So, JB4 set to Map 0 to disable, and allow OBD comm. But MHD shows Error 6-no cable.

Ignition ON Engine OFF
Cable is the one from eBay Wedge posted awhile back, and others recommended.
OTG cable being used for Nexus phone has been used plenty of times with JB4 Mobile app.

Any ideas?
Yes, the cable

Altho not sure if jb4 has a role...what is your build date? I have a bmwhat cable that works fine.
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      05-31-2015, 04:25 PM   #16
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Quote:
Originally Posted by Sgop335 View Post
Yes, the cable

Altho not sure if jb4 has a role...what is your build date? I have a bmwhat cable that works fine.
03/08 build date, and I messaged the eBay seller hoping to get this resolved.

When I plugged my OTG/Nexus into the JB4 to rule out the OTG cable, the MHD app tried launching as default but I canceled it and opened the JB4 app. So it's gotta be the OBD cable.
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      05-31-2015, 04:34 PM   #17
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Quote:
Originally Posted by 335NJ View Post
03/08 build date, and I messaged the eBay seller hoping to get this resolved.

When I plugged my OTG/Nexus into the JB4 to rule out the OTG cable, the MHD app tried launching as default but I canceled it and opened the JB4 app. So it's gotta be the OBD cable.
Yea the cable. You could be dcan based on your date, which means expect 38min or so for flashing or you could be kline! Transition was around that time. Its all confusing. Im not even sure if my bmwhat cable will work for you.
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      05-31-2015, 04:50 PM   #18
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Interesting...anyone have jb4 and how does this compare to that as far as performance is concerned. I would not be able to use it as it is n54.
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      05-31-2015, 05:10 PM   #19
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Quote:
Originally Posted by Sgop335 View Post
Yea the cable. You could be dcan based on your date, which means expect 38min or so for flashing or you could be kline! Transition was around that time. Its all confusing. Im not even sure if my bmwhat cable will work for you.
The cable I listed should be compatible for DCan, go figure my Build date is right at the split.

The cable I bought is for BMW 1998-2012, and has been used by a few other members. Hopefully it's just a bad cable.
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      05-31-2015, 09:08 PM   #20
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Quote:
Originally Posted by Dark_Knight_335 View Post
Cool find man- thanks for sharing!

Let's talk numbers- what are the real world gains, in HP and torque?

Anyone have plans to dyno this flash?

Are the gains enough to warrant additional cooling and upgrades to maintain vehicle performance?
I don't believe we can post numbers yet, as the program is still in BETA stage--otherwise I'm sure MHD would've posted numbers already. At least that's what I've gathered from what I've read.

But how about this.

Let's say stock, we produce 300bhp (underrated or not, just for the sake of example we'll use this base), yet in real world, we'll actually experience about 280whp (give or take)--depending on drive train loss, Xi, etc.

Stage 1 to me feels like this: 360bhp with about 340whp/340wtq(real world). Now, I could be wrong--it could be more or even less. I'm simply going off from experience, as I can assure you that coming from stock, there is a complete night & day difference. I'm sure there's at least (notice the at least part) 50hp/tq difference to the wheels (real world). It isn't something that you'll notice halfway through your first test drive--but rather it's noteworthy literally as soon as you drive off when the flash is complete.

As aforementioned though, I'm sure actual dyno numbers and real world numbers are soon to follow, MHD in and of itself just needs to exit BETA stage--so I'd give it a few more weeks until that point.

As far as Stage 1 goes and upgraded components, I haven't noticed any discernible or alarming difference in my temp gauge, sound, or anything out of norm. My car is handling it well and the feel, in terms of the added power delivery, is stock like. So I would feel comfortable running this stage with stock components and not have to worry.

Stage 1+, I strongly advise the necessary upgraded components (as there's also a Stage 1 Aggressive + FMIC).

I hope that cleared some things up for you.
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      06-01-2015, 01:39 PM   #21
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gains are probably pretty similar to other stage 1 tunes out there including the jb4.

Where this shines is you are basically paying $99 + Cost of the cable, to have a handheld flasher like the $700 cobb. There are plenty of free maps out there, and you can make your own map if you have the know how. Or you can go get a custom tune done.

Im using it to flash the backend maps for the JB4 and I can definitely notice a difference in the backend flash + JB4 vs just the JB4
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      06-02-2015, 08:55 PM   #22
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Quote:
Originally Posted by Sgop335 View Post
Thanks let me know.
Here are some logs, finally had a little time to do them.

Log 1: WOT, just one log.



Link: http://www.datazap.me/u/youaremyworl...og=0&data=4-17

Multiple Logs with a few WOT:





Link: http://www.datazap.me/u/youaremyworl...og=0&data=4-17
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