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BMW 3-Series (E90 E92) Forum
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Charging Malfunction
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11-14-2021, 09:14 PM | #1 |
Stage 2+ N54
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Charging Malfunction
Hello, I have an e92 335i and I keep getting the charging malfunction notification on my iDrive. I checked the battery before starting (it’s brand new) and it was reading around 12.3v. Started the car and the battery was reading at 12v and then got a charging malfunction. I changed the IBS sensor and the voltage regulator this weekend and it’s still saying the malfunction. I even registered the battery. The alternator is also not even 2 years old. Anyone have any clue what it could be?
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11-15-2021, 08:07 AM | #2 |
Private First Class
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Bad alternator probably. Age doesn't matter, but build quality and component quality does. Most big box auto parts stores can test alternators.
Recent alternator thread here: https://www.e90post.com/forums/showthread.php?t=1873505 |
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11-15-2021, 09:18 AM | #3 | |
e91Owner
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First things first, though, is I would examine the belt/pulley to make sure it's not going to come off on you and shell out your engine. Then, of course scan the car for codes to see if that sheds any more light on the problem, although the running voltage is pretty telling. |
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11-16-2021, 02:27 AM | #4 | |
Stage 2+ N54
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11-16-2021, 02:29 AM | #5 | |
Stage 2+ N54
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11-28-2021, 09:34 PM | #7 |
Stage 2+ N54
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Rep 80
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Thanks, changed the voltage regulator.. no go but then switched out my alternator and it’s back and running. Turns out it was just an issue with my alternator again.
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11-29-2021, 01:37 PM | #8 | |
Major
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Do yourself a favor and get yourself an OE alternator from a place like FCP Euro. Not only will they last waaaaay longer but they also won't ruin your electronics on the car like the autocrap will from autozone. |
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335i, battery, e92, malfunction, n54 |
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