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Yes, this is an old post BUT I have a follow-up question. Every couple of days, my Z4C "forgets" how to drop the side glass 1/4" when the door is opened. I have to perform a reset and then it works fine.
Where exactly is that info stored? Where would I start looking for issues? Could it be shorting out? I don't have a battery issue and the car is being driven daily. Is seems that wherever the information is being stored is losing memory.
Any help would be appreciated!
Christine
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