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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Key worries when flashing car using ISTA/P



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      06-28-2017, 08:55 PM   #1
PupperNation
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Key worries when flashing car using ISTA/P

I have a 2011 M3 I need to reflash in order to do the combox retrofit.

I got the latest ISTA/P and the ICOM A2+B cable is on its way, as well as the battery charger. So I think am in goog shape.

The one thing I am worried about (being new to coding) is the keys and comfort access.

Will updating ECUs, like the CAS, kill my key settings or will comfort access continue to work?

I did some research on the forums but cant find a clear answer.
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      06-29-2017, 12:19 AM   #2
Jozy
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they will be absolutely fine.

how are you going to tackle your combox retrofit? also ISTA/P or NCS Expert?
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      06-29-2017, 12:23 AM   #3
PupperNation
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Thank you for the feedback.

ISTA/P. I have NCSExpert on a VM but I am even less familiar with it than I am with ISTA/P. Is it easier to use?
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