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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Can mhd flasher upload a custom tune?



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      03-31-2016, 06:21 AM   #1
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Can mhd flasher upload a custom tune?

Simply as per the thread title - I think I need a custom tune.

Can mhd upload one ? Can people who aren't mhd developers use it to upload tunes ?
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      03-31-2016, 06:25 AM   #2
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Quote:
Originally Posted by Rory View Post
Simply as per the thread title - I think I need a custom tune.

Can mhd upload one ? Can people who aren't mhd developers use it to upload tunes ?
Yes
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      03-31-2016, 11:09 AM   #3
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What about a Cobb tune? One of the OTS ones. Have people been able to open them and check them out?
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Last edited by Rory; 03-31-2016 at 11:15 AM..
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      03-31-2016, 11:35 AM   #4
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Quote:
Originally Posted by Rory
What about a Cobb tune? One of the OTS ones. Have people been able to open them and check them out?
You can make your own flash using Cobbs parameters. That's what I did. MHD does have more parameters, and I left those alone if it didn't match with Cobbs options.

However, Cobbs maps are more of the same as MHD, albeit less power and safer IMO. I've since gone on and edited some things as much as I can comfortably do on my own. Still not as smooth as stock and much of the same feeling you described in the MHD thread.
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      03-31-2016, 12:02 PM   #5
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Originally Posted by deeLow View Post
You can make your own flash using Cobbs parameters. That's what I did. MHD does have more parameters, and I left those alone if it didn't match with Cobbs options.

However, Cobbs maps are more of the same as MHD, albeit less power and safer IMO. I've since gone on and edited some things as much as I can comfortably do on my own. Still not as smooth as stock and much of the same feeling you described in the MHD thread.
Safer is what I want. Do you need the BT cable to transfer the cobb maps?

What software and cable is needed and where can I get the cobb maps? I know this is a lot to ask but I have been searching and can't find an answer...

I see theres some software that needs that stupidly expensive BT cable.
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      03-31-2016, 12:05 PM   #6
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Safer is what I want. Do you need the BT cable to transfer the cobb maps?

What software and cable is needed and where can I get the cobb maps? I know this is a lot to ask but I have been searching and can't find an answer...

I see theres some software that needs that stupidly expensive BT cable.
Just buy a Cobb accessport. I highly doubt you're going to find Cobb maps outside their tools.
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      03-31-2016, 12:43 PM   #7
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Well I have them, for I8AOS. I copied what I could over to my IJEOS car and here I am now.
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      03-31-2016, 12:57 PM   #8
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Quote:
Originally Posted by deeLow View Post
Well I have them, for I8AOS. I copied what I could over to my IJEOS car and here I am now.
What hardware do you use to upload your maps? Would MHD app do it?
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      03-31-2016, 02:38 PM   #9
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Quote:
Originally Posted by Rory
Quote:
Originally Posted by deeLow View Post
Well I have them, for I8AOS. I copied what I could over to my IJEOS car and here I am now.
What hardware do you use to upload your maps? Would MHD app do it?
Oh yea, sorry about that. Specifically, I used to own a Cobb, so I had access to their AccessTuner software.

On the MHD side, you can use a PC app called TunerPro and edit the .bin(tune) files. Then you just transfer to your Android device in the MHD folder, and use "flash a custom ROM" in MHD

You need the XDF files(links on this forum), and a free copy of Tunerpro. And obviously your stock ROM that you should have backed up before you flashed MHD.
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