02-06-2023, 08:23 PM | #1 |
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F15 BMW X5 Hybrid battery problems.
Hi .I have a 2017 BMW x5 40E 52k miles
At last May I had 49k miles. My hybrid battery was dying and air conditioning performed poorly. I started to diagnose with Ista and got the fault of replacing the battery cell module. Ista shows the current battery health is 64% I send to the dealer and after waiting 4 month they finally replaced it. In the invoice I saw that 2 modules had been replaced and the dealer told me that car according to specs. I recently started to experience that when I drive and battery shows that 50% max drive is not available even though I was driving on ev only I started to troubleshoot the battery again and battery shows me 67% . Also I have pictures with Ista diagnostics I can upload as well if necessary. I am looking for any suggestions on what to do. Go to the dealer and check the system again? Change AUX battery ? What do you guys think? |
02-07-2023, 07:46 AM | #2 | |
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Quote:
How do you get the battery health through ISTA? I need to check that on mine. |
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02-20-2023, 04:45 PM | #4 |
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high voltage battery health issue
Today.I dignose my high voltage battery using ISTA and even-though computer shows 100% actual battery shows 57.5%
Should I go to dealer for replacement? I changed my AUX battery last year and ISTA shows is good. See attachment for more information. |
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06-14-2023, 03:02 PM | #6 |
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Oh wow, sorry, I just saw this. yeah, this is under 70%. I hope you took it in to the dealership. If you're in the USA (looks like you're in NJ), the warranty is 80k miles or 8 years, whichever comes first. And it looks like you're under that. If the dealer is giving you a headache over this, try a different dealer. There's no way that this should be at that low of a percentage after 2 cells have been replaced unless it's entirely failing (which I've yet to hear).
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06-27-2023, 06:40 AM | #7 |
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Went to dealer in March and they replace one of the module . And it was showing 72%. Today is June 27 and I check the battery again it's shows 65% which is bellow 70% threshold.
so I am planning to go to dealer again. I will go maybe after summer. |
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