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MSD80 to MSD81 ISN
22-09-2019, 01:02 AM,
Post: #1
MSD80 to MSD81 ISN
Hey guys, I'm wanting to help a friend with an MSD80 to MSD81 swap. Ordinarily I would simply read ISN and write to CAS since the car is an e90 without EGS ISN.
Since his MSD80 still works, we wanted to write his current ISN to the new MSD81. 
I'm wanting to learn how to manually change ISN. His CAS is super early e90 production, are there any 4-digit ISN MSD80, or are they all 32-digit like MSD81? I can read and write DME with Hextag.
How do I correct the checksum after changing ISN?
Thanks in advance.
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22-09-2019, 03:14 AM,
Post: #2
RE: MSD80 to MSD81 ISN
All MSx8x I have ever done have ISN as 128bit (16bytes). I'll message you.
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22-09-2019, 14:13 PM,
Post: #3
RE: MSD80 to MSD81 ISN
Iam interested too, have hextag also
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