Switching from BM3 to MHD without locking ecu

[Durk]

I dont want to wait for the rev board they are coming out with and need port at this point. I wanted to confirm if anyone has done you just flash the stock map and then can flash mhd, before sending out to femto again.

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[omfgzilla]

Pretty sure it needs to going back to femto for MHD+. flashing stock map will relock the DME. Might as well go cloning and ecutek if you want to switch.

 

[kyle9]

If you're unlocked, just flash MHD and you're done.

On a cloned DME I went from Ecutek to MHD+ with my phone in 5 min.

Then later back to Ecutek with my laptop in 5 min.

DME never came out.

 

[omfgzilla]

If you're unlocked, just flash MHD and you're done.

Wait......you mean i can go MHD+ without another femto trip?
thank you jesus

 

[Kennith82]

Wait......you mean i can go MHD+ without another femto trip?
thank you jesus

I’m pretty sure that if the DME is post 06/2020 it has to get sent back to Femto. But like if it was already running BM3 CustomROM, you could flash the regular MHD.

Pre 06/2020 you could switch between CustomROM and MHD+ with no problem.

 

[stormgreysupra]

Wait......you mean i can go MHD+ without another femto trip?
thank you jesus

for MHD+ you need to send the ECU to femto again.

 

[Durk]

Ok thank you for the info. Didnt know I could just flash over bm3 like that.

 

[omfgzilla]

for MHD+ you need to send the ECU to femto again.

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