07-05-2019, 10:31 AM
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Member
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Join Date: Jun 2014
Location: SA, TX
Posts: 6,474
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Quote:
Originally Posted by SlickGT1
I don’t know. Mine was voltage regulator. Like $40 from bmw. Car was doing some
Stupid shit too. Trans failsafe, susp inactive, brakes light would turn on. Navi reboot. Guess what. Overvoltage. Not Under voltage.
I would scan it. Inpa will pick up a code if it’s low bat or over voltage.
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It probably is the VR. When mine failed it would have both under and over voltage issues. I consider a VR failure an alternator failure and just replace the whole thing but, like yourself, many here have just replaced the VR and been back in business.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
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