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Old 07-02-2019, 01:41 PM
dzlbimmer dzlbimmer is offline
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Originally Posted by germans View Post
My GF just got a 2012 BMW 335I with 45000 miles on it.

I got out my code reader and started checking for codes and saw some of the following:

801206 Blower output stage: Undervoltage or overvoltage detected
801A55 DWA: The alarm has been activated
CD0487 ZGM: Sycronisation process for FlexRay failed

She hasn't added anything aftermarket to the car like stereos or anything and all I did was clear the codes and update the BMW iDrive software to the latest. Now I get no error codes. Is it possible that the BMW iDrive software fixed the issues? I thought the update was only for the interface software for the screen.
Software did not fix any of that. They are just Intermittent failures.
Just keep scanning it every couple weeks and see what comes back and at what frequency.
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