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E90 DME replacement
10-21-2017, 12:49 PM
Post: #1
BMW E90 DME replacement
Heya all Fing32
I may have a E90 that needs DME replacement next week.
Just trying to get all the info/process I need before I go (No internet being mobile) Headbang
Pull ISN from CAS, transfer to used DME, sync DME-CAS
Start car???
Have got FVDI,BMW 1.4 & 2.01 ISTA+ etc

Cheers Beer Beer

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10-21-2017, 03:21 PM
Post: #2
RE: E90 DME replacement
What is the name of the DME? MSD? what? I have original Abrites BMW Commander and have a hard time extracting ISN from DME. Do let me know how it goes...
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 Thanks given by: Sparky001
10-21-2017, 07:48 PM (This post was last modified: 10-22-2017 03:54 AM by Tackey.)
Post: #3
RE: E90 DME replacement
I did second hand DME replacement for E91 2011.
DME is MSD81.2

My procedure is as bellow..

1. I just install used DME and diag the car. Only EWS error shows.
Engine is cranking, but of course it doesn't start.

2.I used Win KFP to change VIN & update Used DME.
Then VIN can be changed but ISTA says DME is not coded properly..

3. I did programming used DME using ISTA-P 3.62.5,
Then only EWS error shows again.
Now DME state is .. VIN Changed, newest SPDaten ,
but only ISN is not matched.

4. I used AUTOHEX to read DME ISN via OBD.
It took time but successfully ISN (short & long SK) were extracted.

5. I also use AUTOHEX to downgrade CAS.
It also took time but successfully ISN including long SK were extracted.

6. I tried change DME ISN, but AUTOHEX can not change ISN of DME.

7. I change CAS ISN. (AUTOHEX)

8. I restore CAS to original state and now engine is running.

It is my experience of replacing used DME with using tools..
I'm not sure Abrites can do it. Actually I have Abrites also, but once
I failed to downgrade CAS by Abrites. So just afraid to use Abrites again..
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 Thanks given by: asimor , Sparky001 , PedroX5 , KriyenKPp , fuzzy1 , S54Mpower
10-23-2017, 01:58 AM (This post was last modified: 10-23-2017 02:13 AM by Stiffmaster.)
Post: #4
RE: E90 DME replacement
Much more easier, I think
If you send us ecu (Munich, Germany), we can do it for you.

It‘s no MSD, as on the sticker, there is Bosch Logo.

Just copy everything to ecu with same part numbers, that way, also all adaptions, injector codes, etc will be transferred.

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 Thanks given by: Sparky001 , Tackey
10-23-2017, 04:30 AM (This post was last modified: 10-23-2017 04:31 AM by Tackey.)
Post: #5
RE: E90 DME replacement
Actually, after my procedure, engine can start but brake vacuum error shows up...
And DME has mileage and it is not changed.

I return original DME back to the car and all errors are gone.
(CAS long SK is also back to original.)
Maybe I should try other way.
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 Thanks given by: Sparky001
10-23-2017, 06:08 AM
Post: #6
RE: E90 DME replacement
All will be solved by cloning your ecu, the way, I told you Smile

Or you have to code your ecu now and flash it with same zusb, the old one has.
But after that, you still need to correct mileage.

I can also fully clone MSD ecu’s Smile

But problem is: I need them on my bench.
If I can help you, let me know Smile

Br

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 Thanks given by: 16eddi67 , Sparky001 , Tackey
10-23-2017, 08:12 PM
Post: #7
RE: E90 DME replacement
or to me Cheer2

BR EDDYDrive

DPF Off - EGR Off - LAMBDA Off - EdBlue ))Rest EGS 8HP F serie.
BDC end FEM solution.
BMW Explorer TeamCheer2Cheer2
CVN patch for VW Groop
Dont ask for free file!!!
Skype: Bimermann
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 Thanks given by: Sparky001 , Tackey
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