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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 > Worried?.!? MHD FLASH



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      01-15-2017, 10:59 AM   #1
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Worried?.!? MHD FLASH

I'm flashing my car this morning MDH stg1+ and got a error at first saying unable to erase memory? I back out and started the reflash again?
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      01-15-2017, 11:13 AM   #2
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The flash has been going now also at 40% compete
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      01-15-2017, 12:08 PM   #3
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Quote:
Originally Posted by ANMVQ View Post
I'm flashing my car this morning MDH stg1+ and got a error at first saying unable to erase memory? I back out and started the reflash again?
Did you put your phone in Airport mode? Back up your DME before you started? Make sure everything is off in your car (lights, radio, ac, etc.)??
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      01-15-2017, 02:05 PM   #4
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Did everything but back to DME, instructions said back was only needed for self tuning? Airplane was on everything was off,
So I just flashed it it doesn't make a copy of the stock DME? What happened when I went to flash back to stock go to the dealer
Right from the instructions, I'm not self tuning, just map flashing


6. Before starting the flash process, ENSURE that you make a back-up of your STOCK DME file by selecting the “BACK-UP ECU” on MHD’s main screen if you plan on self-tuning your own vehicle.

Last edited by ANMVQ; 01-15-2017 at 02:11 PM..
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      01-15-2017, 02:48 PM   #5
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Quote:
Originally Posted by ANMVQ View Post
Did everything but back to DME, instructions said back was only needed for self tuning? Airplane was on everything was off,
So I just flashed it it doesn't make a copy of the stock DME? What happened when I went to flash back to stock go to the dealer
Right from the instructions, I'm not self tuning, just map flashing


6. Before starting the flash process, ENSURE that you make a back-up of your STOCK DME file by selecting the “BACK-UP ECU” on MHD’s main screen if you plan on self-tuning your own vehicle.
No need to back up with the N55. So no worries there. Make sure you don't open or close any windows or doors or touch anything until the flash is complete.

I'd also pull the fuel pump fuse and make sure your battery is 100% charged if you've already tried flashing a couple times.
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      01-15-2017, 03:44 PM   #6
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Originally Posted by bcaz808 View Post
No need to back up with the N55. So no worries there. Make sure you don't open or close any windows or doors or touch anything until the flash is complete.

I'd also pull the fuel pump fuse and make sure your battery is 100% charged if you've already tried flashing a couple times.
Thanx a lot man, I did get the flash competed after I got the error, been driving the car the last few hours and need to get a log to see how things look.
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      01-15-2017, 04:59 PM   #7
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Thanx a lot man, I did get the flash competed after I got the error, been driving the car the last few hours and need to get a log to see how things look.
Nice, enjoy the extra hp.
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      01-15-2017, 05:09 PM   #8
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Thanx man,
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      01-16-2017, 04:48 AM   #9
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How much extra hp do u get on stg 1?

Thinking about getting one.
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      01-18-2017, 05:23 AM   #10
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How much extra hp do u get on stg 1?

Thinking about getting one.
I haven't dyno it. Compared to ppk the surge is noticeable. Very good throttle response, in sport mode it's just awesome!
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      01-18-2017, 05:24 AM   #11
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Quote:
Originally Posted by ANMVQ View Post
I'm flashing my car this morning MDH stg1+ and got a error at first saying unable to erase memory? I back out and started the reflash again?
I had one error during first time flashing, coz I touched one idrive button. Do just not touch anything it will finish by itself.
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      01-18-2017, 08:39 AM   #12
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Originally Posted by Eric_Y View Post
I had one error during first time flashing, coz I touched one idrive button. Do just not touch anything it will finish by itself.
Thanx man I wasn't even in the car lol, I had the front windows down and was taking down our xmas lights, I was just looking in th car each time I walked by. Been driving the car a few days now and actually feels faster than it did the fist day or so, really like it. I also liked that a I had zero timing corrections on my log!
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      01-18-2017, 12:59 PM   #13
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Quote:
Originally Posted by ANMVQ View Post
Quote:
Originally Posted by Eric_Y View Post
I had one error during first time flashing, coz I touched one idrive button. Do just not touch anything it will finish by itself.
Thanx man I wasn't even in the car lol, I had the front windows down and was taking down our xmas lights, I was just looking in th car each time I walked by. Been driving the car a few days now and actually feels faster than it did the fist day or so, really like it. I also liked that a I had zero timing corrections on my log!
Congrats! Glad you have a solid tune now
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      01-18-2017, 08:23 PM   #14
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Quote:
Originally Posted by ANMVQ View Post
Quote:
Originally Posted by Eric_Y View Post
I had one error during first time flashing, coz I touched one idrive button. Do just not touch anything it will finish by itself.
Thanx man I wasn't even in the car lol, I had the front windows down and was taking down our xmas lights, I was just looking in th car each time I walked by. Been driving the car a few days now and actually feels faster than it did the fist day or so, really like it. I also liked that a I had zero timing corrections on my log!
Any guide on how to read log
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      01-20-2017, 02:56 PM   #15
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Quote:
Originally Posted by Eric_Y View Post
Any guide on how to read log


Yea just post it up here , you use the datazap, from the MHD softward and upload you log so you can see it I posted mine on here


http://www.datazap.me/u/anmvq/log-14...data=3-4-19-39
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