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Jun 14th, 2026
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Joined: Jul 2007
Posts: 27,811 Likes: 749
Member of the Inner Circle
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OP
Member of the Inner Circle
Joined: Jul 2007
Posts: 27,811 Likes: 749 |
As some of you may remember KH were going to upgrade my car by tweaking the ECU to create another WRP car but found it locked.
After months of chasing M Hole et al at MMC I got to the bottom of it.
So all newr CXs are affected, mine is a 2022 car.
I know you can send off to Finland via one dealer to get the lock removed for c £1500. Gulp!
Here is the reply from MMC
"Further to my email of earlier this morning, I have spoken with my colleagues in Morgan Development.
My colleagues have done some further investigation and spoken with their counterparts at BMW. Unfortunately they have confirmed that a new ECU from our production will indeed be locked, and it will therefore not be possible for the tuning to be deployed. BMW have started locking all ECUs that they supply.
The only way to get around this is for the ECU to be sent away for unlocking by a specialist tuner, which I know is already a solution that you have discussed with Krazy Horse.
I'm very sorry that I can't offer you another solution, but as Morgan we are restricted in what we can do for obvious reasons.
I hope you are able to progress matters with your existing ECU.
Kind Regards
John
John Bower
AFTERSALES MANAGER"
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Nov 2018
Posts: 6,669 Likes: 434
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,669 Likes: 434 |
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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Joined: Jul 2007
Posts: 27,811 Likes: 749
Member of the Inner Circle
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OP
Member of the Inner Circle
Joined: Jul 2007
Posts: 27,811 Likes: 749 |
And £1400 to unlock the ECU. How their plus six mod works I don't know.
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Jan 2007
Posts: 2,433 Likes: 66
Talk Morgan Expert
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Talk Morgan Expert
Joined: Jan 2007
Posts: 2,433 Likes: 66 |
As mentioned in previous posts Litchfield worked with Morgan on their suspension set up and the upgrade to just over 400bhp on my plus 6 would be £700. From doing a little research and talking with them they are the kiddies. There was no mention of locked ecu's but mine is a 2020 model.
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Joined: Nov 2015
Posts: 8,675 Likes: 491
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,675 Likes: 491 |
Locked ECU's...welcome to the pain of 3.7 Roadster owners
Jon M
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Joined: Apr 2012
Posts: 5,013 Likes: 32
Charter Member
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Charter Member
Joined: Apr 2012
Posts: 5,013 Likes: 32 |
You could try Mountune who developed the 3.7 Roadster ECU - or at least adapted it for the Roadster. Mountune (Roush) used to look after my Ford GT, so I knew them quite well: ![[Linked Image]](https://live.staticflickr.com/8623/16637430892_3b711160b0_c.jpg)
+8 4.8
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3 members like this:
Jon G4LJW, Graham, G4FUJ, Luddite |
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Joined: Nov 2015
Posts: 8,675 Likes: 491
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,675 Likes: 491 |
Thanks Neil, nice GT by the way 
Jon M
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Joined: Aug 2024
Posts: 59 Likes: 14
Just Getting Started
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Just Getting Started
Joined: Aug 2024
Posts: 59 Likes: 14 |
Not good news @John V6 :-(
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