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CAS3+ problem whit ISN
28-06-2019, 17:21 PM,
Post: #1
CAS3+ problem whit ISN
Hi
I have a problem with BMW E70
I need change ISN on the ECU
The ECU is MSV80 but i don't have orginal ecu.
I have orginal CAS and key.
I read CAS but i haven't ISN. This CAS is CAS3+.
I have a VVDI prog and CGDI.
I know that you can change to CAS not encrypted but this is an E70 and I will not operate the box because here is already ISN.
Can anyone help you?
I do not know how to read the ISN from the key, the original is not there because the car is stolen.
Can anyone check if my batch is ok?
Because CAS3 + Editor showed me a dump error.
Or maybe some ISN with CAS3 + Editor can I enter ECU?
Please, give me a hint because I've never done it.


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28-06-2019, 17:27 PM,
Post: #2
RE: CAS3+ problem whit ISN
Open CGDI, Click the CAS 3 key match button. Top row, center column. Load your EEPROM dump from the CAS, and click read ISN. It will ask you to put the working key in the tool, and it will read your ISN.
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28-06-2019, 18:03 PM, (This post was last modified: 28-06-2019, 18:03 PM by Enabled.)
Post: #3
RE: CAS3+ problem whit ISN
It is very difficult to change ISN in msv80 (I have done many, but it's very time consuming), so you should do it in CAS.
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28-06-2019, 19:30 PM,
Post: #4
RE: CAS3+ problem whit ISN
Since this is an e70 with EGS ISN, he will need to change DME ISN to match CAS
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28-06-2019, 20:47 PM,
Post: #5
RE: CAS3+ problem whit ISN
CGDI does not have an option for CAS3 + read ISN. This option from the key scan is for CAS4.
there are only "Generate dealer key" "check key status" and unlock key options.
Can anyone help
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28-06-2019, 20:54 PM,
Post: #6
RE: CAS3+ problem whit ISN
My mistake, it is CG Pro that allows reading of ISN from dump...
They really should add that in with CGDI.
   
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28-06-2019, 23:46 PM, (This post was last modified: 28-06-2019, 23:47 PM by Enabled.)
Post: #7
RE: CAS3+ problem whit ISN
(28-06-2019, 19:30 PM)RocketSurgeon Wrote:  Since this is an e70 with EGS ISN, he will need to change DME ISN to match CAS

So he cannot change the DME ISN in cas and leave the transmission immo (ISN?) alone? Or are they somehow related?

If original poster is in North America, I can do the DME for you if you want.
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29-06-2019, 09:15 AM,
Post: #8
RE: CAS3+ problem whit ISN
I'm from Poland.
I do not have CG Pro.
I'm not even sure whether CAS is from this car because other modules have been replaced, such as FRM and JBBF.
How else can I synchronize this?
It seems to me that my CGDI can change the ISN in MSV80. He certainly read it without any problem.
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29-06-2019, 12:33 PM,
Post: #9
RE: CAS3+ problem whit ISN
It cannot write ISN because it cannot clear old ISN. It's a special process to clear it.
Read is easy enough. It's possible even without CGDI or other tools.
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29-06-2019, 18:46 PM,
Post: #10
RE: CAS3+ problem whit ISN
Need change ISN in DME not cas, if u change ISN in CAS gearbox would be locked in P, and u would need to RESET EGS ISN so on. Best to change ISN in DME
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