05-01-2017, 08:29 AM | #1 |
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Battery Recommendation
Surprised to see that there aren't many results that turn up on replacement battery recommendations. Looking for a reliable yet cheaper alternative to OEM batteries. Any suggestions will help!
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05-01-2017, 11:15 AM | #2 |
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Batteries are a bit local - I can't help you there.
Good to know: most X3/X4 have "coast down regeneration": i.e. battery will be charged during coast down - to save fuel. This is a good idea - and not! To ensure capacity available, generator will not fully charge battery. That is a good thing for - marginal - fuel economy but bad for battery - it will never be fully charged, and hence life is shortened. This has been discussed before and remedy for me and others is to hook up a CTEK smart charger - or similar - once a month or so. We believe battery life is extended with 100% or so. |
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05-01-2017, 01:08 PM | #3 |
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I replaced my h8 to a h9 battery recently. I got it from advanced auto which is a larger agm battery, 950cca, 105ah, and 3 yr warranty. Cost was about $150 after discount code. If you change yourself, you will need to register the new battery of course for the larger battery specs.
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05-01-2017, 01:30 PM | #4 | |
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Thanks again |
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05-01-2017, 01:35 PM | #5 | |
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Quote:
https://shop.advanceautoparts.com/p/...agm/10866724-P |
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05-01-2017, 02:22 PM | #6 |
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Try trt30 code.
Make sure your x3 will fit the h9 battery as far as length. Mine had a battery hold down bolt that can move to the next slot to fit a longer battery. Here's the link: https://shop.advanceautoparts.com/p/...rchTerm=h9+agm I also used the carly battery registration app @ agm 105ah. There is no need to supply a secondary power source while disconnecting old battery. The only memory saving lost was just the date/time that can be reset via idrive. Last edited by ejw2011; 05-01-2017 at 02:30 PM.. |
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05-04-2017, 09:22 AM | #7 | |
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05-05-2017, 05:01 PM | #9 | ||
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05-05-2017, 08:55 PM | #10 | |||
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People who drive shorter distances have a more aggressive regen braking. When it reaches back up to 80% then it returns to normal charging. I can tell you by personal experience , after a new battery ...wow! Car drives better. Not such an aggressive regen brake. Mileage went up a lot! Radio stopped losing its memory at every start up, heated seats work fast versus after 5min on old battery, weird stumbling at idle gone, and probably more I can't think of at the moment. 6 years on mine and I used a CTEK for the whole last year.
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05-05-2017, 09:01 PM | #11 |
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Forgot to mention that I also hooked up the foxwell to the coupe after registering the battery on the X3 and these were the values stored. Notice when I used the CTEK charger.
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GTX3076R , ADV, JB4, FMIC, BOV, 17"APEX, 255/40/17 SQ, 6-SPD Manual
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05-08-2017, 04:42 PM | #12 |
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Interstate batteries are incredibly good and have a true lifetime no questions warranty. I pulled one from a friend's used Lexus, put it in our 4Runner, and it lasted 2 years - at which point I went to an Interstate dealer and got it swapped for a brand new one. No receipt.
It's been going strong for 4 years since. Optima batteries are also pretty great, but at that price point I'd do an Interstate any day. Hope this helps! |
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08-14-2017, 05:40 PM | #13 |
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I have a 2011 with original battery
thats right 6 full years of service and counting
however it might have something to do with low miles (35k) our local batteries+ has a duracell 49r 92ah agm for $229-10% in stock whenever I need it at this point all you would need is an indy registration (no coding) or do everything yourself (my local bmw dealership wants $75 for registration only...they won't do coding for a battery with different specs) the new battery matches specs of the original which is the best and easiest way to go in my book the genuine bmw battery would be $245 |
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