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      04-05-2026, 02:33 AM   #1
Jayzio3
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DME Unlocked ?

Hello I’m new to this and was just wondering if my dme is locked. I just wanna throw a lil stage 1 tune. 2020 BMW 330i
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      04-08-2026, 02:20 PM   #2
Elderado82
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BM3 or MHD will tell you if DME is locked and a bench unlock is required.
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      04-22-2026, 03:50 AM   #3
robertni
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Yes, your DME is locked.
The question is what kind of unlock it needs:
- pre 06/2020 DME requires bench unlock, any decent tuning shop should be able to do it
- after 06/2020 DME requires femto or autotuner unlock, you would need to ship DME to them

MHD/BM3 will tell you which type of unlock you need.
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      04-22-2026, 11:35 AM   #4
Project626(STICHH)
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MHD Doesn't Work

So , I have a 2019 M850i coupe.
I have done some mods. Long story short
Got the F+G Super license. Tried to perform stage 1 flash and error message states "ROM Not Supported Contact MHD Support".
Well I did that and I'm being told From MHD That they DO NOT have anything for N63. Now my question is this I have seen many guys tune M550i with N63 motor , not a lot out there for us M850i guy's. Anyone out there with some InSite on where to go from here now that I basically
have a $856 tune I can't do anything with because MHD said they are NOT doing any updates to support my vehicle.
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      04-22-2026, 01:39 PM   #5
Jolbex
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Well...you can not have N63 super license...since it doesnt exist. Likewise for any diesel engine...
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      04-23-2026, 04:20 PM   #6
Project626(STICHH)
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People come to these forms for help not for Matter a fact sarcasm. No Sh14 it doesn't exist. Thank you for your useless coin of information.
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      04-23-2026, 05:47 PM   #7
Altamate
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Quote:
Originally Posted by Project626(STICHH) View Post
People come to these forms for help not for Matter a fact sarcasm. No Sh14 it doesn't exist. Thank you for your useless coin of information.
You could sell your tune to someone who can use it?
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      04-23-2026, 05:54 PM   #8
Altamate
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Quote:
Originally Posted by robertni View Post
Yes, your DME is locked.
The question is what kind of unlock it needs:
- pre 06/2020 DME requires bench unlock, any decent tuning shop should be able to do it
- after 06/2020 DME requires femto or autotuner unlock, you would need to ship DME to them

MHD/BM3 will tell you which type of unlock you need.
If it is a pre 06/2020 DME you can buy a MHD unlocker and a MHD tune/licence and do it all yourself. Or you can find someone on facebook in your area with a MHD unlocker ( there are guys around here doing the unlock for free or a very small fee) and just buy the MHD tune.
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      04-24-2026, 03:14 PM   #9
Elderado82
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Quote:
Originally Posted by Project626(STICHH) View Post
People come to these forms for help not for Matter a fact sarcasm. No Sh14 it doesn't exist. Thank you for your useless coin of information.
I'd hit up MHD for a refund and tell them their compatibility verbiage was confusing. To actually flash your car, go with Bootmod3 (BM3), they fully support the N63 platform. Just remember you'll need a DME bench unlock before you can flash anything.
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