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Offline pearothehero  
#1 Posted : 12 October 2018 04:21:45(UTC)
pearothehero


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Intermittent running issues with E87, 120D. Auto electrician condemned the ECU and sourced exact part number used ECU.
Bosch DDE 7 798 180
Have read ISNs from all modules.
Fitted donor ECU and have coded/programmed it.
Car would crank, but DDE:EWS Tampering active would remain in the ECU DTCs

Read posts on here about writing the donor ECU ISN to the CAS, have tried that but it won't allow me to sync the CAS/DDE on completion.

Now left with a car which wont run on either CAS ISN with either ECU

Can anyone advise how this procedure is supposed to happen please. I'm now wishing I had just paid to clone it using KTag but was told Autohex would solve.

Thanks
Ian
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Offline Levanime  
#2 Posted : 12 October 2018 12:38:45(UTC)
Levanime


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try synching with other tool
double check ISNs
Offline Autohex_II_BMW  
#3 Posted : 12 October 2018 23:28:18(UTC)
Autohex_II_BMW


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hi,
Make sure isn is matched perfectly,read dme isn and write to cas when software asks for unplugging and connecting battery negative cable you must click OK only after doing it.if it is long ISN(32 digit) no need to bother on dme-cas synch. DME- CAS alignment only for short ISN models(4 digit).
thanks 2 users thanked Autohex_II_BMW for this useful post.
Offline pearothehero  
#4 Posted : 18 October 2018 02:42:41(UTC)
pearothehero


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I left the car there as a non runner (temporarily) and the guy reset using Launch.

The ISN on both ECUs was the shorter version and then only the last two bytes had data in them. I can't see how I could've swapped these wrong.

Is it worth refitting the donor, swapping the ISN data again and then trying to reset again using Launch?? I cannot afford leave this car as a non-runner
Ian
Ian Pearson Vehicle Locksmith
07778533343
mrlocksmith@hotmail.co.uk
Offline rsachip  
#5 Posted : 18 October 2018 04:57:30(UTC)
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Same hapen to me whith edc17cp45 e71 I transfer ISN sucesfuly on bench using keyslot-cas-dde..I iven double check and read ISN again to see if its changed but when I send this to guy he cal me there is EWS-tampering and car none starting..I also didnt want to leave the car none runing and I go there to solve all by OBD..second time did work and car start
Offline Autohex_II_BMW  
#6 Posted : 18 October 2018 06:11:12(UTC)
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Originally Posted by: pearothehero Go to Quoted Post
I left the car there as a non runner (temporarily) and the guy reset using Launch.

The ISN on both ECUs was the shorter version and then only the last two bytes had data in them. I can't see how I could've swapped these wrong.

Is it worth refitting the donor, swapping the ISN data again and then trying to reset again using Launch?? I cannot afford leave this car as a non-runner

you can try to do DME-CAS synch from service functions under diagnose.
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