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Do I need to replace my car battery?
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06-28-2012, 01:27 PM | #1 |
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Do I need to replace my car battery?
I have a 2006 325i. Starting a few months ago, I noticed the engine intermittently cranking longer than usual before starting in the morning. The weather isn't unusually cold where I live. It's about 60 degrees fahrenheit in the morning. I also notice that the AC display will sometimes be dimmer than normal, though doesn't necessarily happen at the same time that my engine takes longer to start. Does this sound like a battery issue?
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06-28-2012, 02:34 PM | #2 |
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batteries should be replaced every 5yrs.. batteries lose their ability to hold a charge over time. get a fresh battery.
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06-28-2012, 02:55 PM | #3 |
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If it is the original battery on an 06, I'm sure it is getting weak by now.
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06-28-2012, 03:01 PM | #4 |
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Yes you need to replace it. Had to replace mine after 5.5 years.
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06-28-2012, 04:13 PM | #6 |
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Got mine with better specs than OEM from Autozone for $130 and used my bav tech to reset the battery stats.
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06-28-2012, 04:14 PM | #7 |
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06-28-2012, 04:58 PM | #9 |
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Can you show us the link or picture of this battery from Autozone? I might need to change mine soon. The yellow battery warning light comes on after shut off car and leave radion on. Radio shuts off by itself after 3 min or so. No problems starting car at all. I wonder if its the battery on my key fob? I will try my other set, but a link will be helpful since i still on the original battery for over 6 years now. Thanks
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06-28-2012, 05:16 PM | #10 |
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Specs from the people that supply autozone. I got one of those ultimate batteries with some incredible warranty, it lasted about 3 years in my other car. The DieHard that replaced it is 6. Specs don't mean anything imho, they are as good as the reputation of the co. that sells it. Autozone. BMW.
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06-28-2012, 09:04 PM | #13 | |
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06-29-2012, 02:35 AM | #14 | |
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06-29-2012, 03:46 AM | #15 | |
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suggest start picking out your battery and replace it soon. waiting for it to die completely is a headache. gl |
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06-29-2012, 07:21 AM | #16 |
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Wrong! I paid half that at my dealer, including the coding required, and with my BMW CCA discount.
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06-29-2012, 08:09 AM | #17 | |
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My current favourite is Deka/East Penn (the actual manufacturer). They have a line of OEM "Exact Fit" batteries for Euro applications which various sellers may rebrand. You can get standard flooded or AGM. I'll be putting an AGM in some time in the next couple of months before our winter weather arrives. Don't forget you need to re-code the car in addition to registering the battery if you are changing capacity (i.e. Amp-hour rating) or type (flooded vs. AGM) in addition to re-registering the battery. http://www.dekabatteries.com/assets/base/0379.pdf Use "where to buy" or "contact us" from http://www.dekabatteries.com/ and they will guide you. JCI (Johnson Controls Inc.) has a good reputation and Interstate is a major seller of batteries made by JCI. The Specs were OK and it "wore out" gradually instead of waking up one day with a cell short unable to start the car, but I had at least two different interstate batteries leave acid in the battery area due to a combination of being overfilled from the factory and a poor cap design. |
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06-29-2012, 09:13 AM | #18 | ||
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06-29-2012, 09:24 AM | #19 |
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06-29-2012, 06:53 PM | #20 |
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Then I'd be looking for another dealer...
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06-29-2012, 07:14 PM | #21 | |
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A BMW OEM battery lasts 6+ years, no matter what the specs are. Why? Because they don't want to replace it under the warranty, so they spec out one that lasts as long as the warranty if not more. Why would anyone go to autozone for a BMW? That's like saying, you don't need to drop $23 for a MANN or Mahle Knecht air filter, go to autozone, they can sell you one for $8. |
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07-01-2012, 06:35 AM | #22 |
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Following an electronic repair and dealer re-programming, my battery is starting to behave strangely again, forgetting preferences and shutting features down. This is about two years after my last battery replacement, by my dealer. (I plead "guilty" that I don't drive the car enough. I do put it on a trickle charger, but apparently not often enough.)
Since there is no BMW battery warranty, and BMW batteries seem to last me about 2 years, and since the replacement batteries are priced about half of the BMW battery price, buying a replacement like the Interstate with a 30 month warranty seems the obvious thing to do. However, posts on BMW boards seem to say that the "correct" Interstate battery, Mega-Tron Plus 95R/H9 -- doesn't fit in an E9x. Does anyone have experience regarding the correct E91 size and fitment?
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