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BMW 3-Series (E90 E92) Forum
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Here we go again BATTERY REGISTRATION
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05-09-2013, 03:07 PM | #23 | |
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If it has a simple charging algorithm not based on load, it is less than useless. My trickle charger does more than that and costs considerably less. I think the $60 to click the button is just a dealer charge. |
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05-09-2013, 03:13 PM | #24 | |
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I don't think what you're saying is what you quoted. It should have no need to "start anew" if it is measuring current values. If the current capacity is at one moment value A and the next Value Z, and it continues to monitor this, it is going to adjust charging appropriatly. You don't tell a battery charger when there is a new battery, it knows to charge or not based on what it gets back from the battery. |
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05-09-2013, 03:15 PM | #25 | |
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05-09-2013, 03:44 PM | #26 |
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In the end, obviously it's every owners choice on whether to register or not - as the owner will have to deal with any problems that may occur from not doing it.
Some members have documented mysterious electrical problems that have popped up after new battery install without registration, yet then after registration the problems go away - some have no problems. There have already been MANY long threads on this subject. Personally, I have both the BT Cable/software & the INPA/NCSExpert software/cable - so I will definitely be doing registration myself whenever the time comes. If I didn't have the capability for DIY - I would pay the dealer to do it. Everytime someone poses this question there are equal amounts of 'yays' & 'nays' on the subject. This subject has been hashed over ad-nauseum - basically, quit listening to the opinions of others & do what you feel is correct. If you don't have the $$, or want to spend the $$ on a BMW battery & registration then friggen don't I can easily spend the same amount of $$ (or more) that the dealer charges for Bat Reg, in a long evening out @ a club with my wife/friends - which I'm sure is true for many others - but no one has a problem doing that, do they?
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05-09-2013, 05:53 PM | #28 |
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Registering the battery will reset the adapted conditions, like the idrive shutting off every 10 minutes to preserve the battery.
I changed mine a year ago, but bought a faulty cable. I never got around to buying another cable to register the battery, and the local bmw mechanics were confused when I asked them to register the battery. One quoted me $100, and what I asked what he was going to do, he basically told me he would hook up the car and clear any codes (WTF?!). Register if you want, but there has not been proof that it is harmful not to register the battery. Personally, my battery has a 3 year warranty and costed me $100. If it dies within the 3 year warranty, cool -- i've gotten 4-6 years out of 2 batteries for the cheap $100 i paid. If it lasts longer, 3 years is what the manufacturer expects the value of the battery to be worth, and that's fine by me. Registering the battery would have to reduce the life of the battery by 40%+ in order justify the cost (assuming the battery you buy mysteriously has no warranty). |
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05-09-2013, 06:16 PM | #29 |
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05-09-2013, 06:21 PM | #30 | |
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What is it you're looking for, some reassurance that it's going to be ok? Well, it will be. $60 is not something you should get too bent out of shape over. |
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05-10-2013, 01:00 AM | #32 |
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My 07 335i is now 6 years old and still on the original battery. Should I preemptively change it or wait for it to crap out? Is there a sensor/warning letting you know when to change it?
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05-10-2013, 06:37 AM | #33 | |
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The cynics may think that it's just "dealer charge" but as I've said before, when you start poking around yourself with INPA there's quite a bit that went into this IBS system which is the basis for EfficientDynamics (which followed along later). Car manufacturers wouldn't invest all of the development in the car if it was just to collect money at the dealer for a button click. If people are getting all bent out of shape over $60 being a waste at a dealer, they should have invested $40 in a cable and used free software to reset it themselves. Then they'd have the gear they needed in their toolbox to do all kinds of other work too. |
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05-10-2013, 06:39 AM | #34 | |
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http://www.e90post.com/forums/showpo...5&postcount=29 |
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05-10-2013, 07:11 AM | #35 | |
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I did proactively change my battery at 6 yrs. I decided to pay the core charge ($15) and keep the old one. I fully charged the old one, and then load tested it over and over--it was still good. We have an aunt with a 2006 330i on the original battery, and it passes a load test. I would say no need to change--you may see that in the winter or extreme summer, your accessories won't stay on as long as they should. But my advice is to load test any battery before replacing. Heck, it's what a shop would do before replacing a battery under warranty. |
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05-10-2013, 07:41 AM | #36 |
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expect some gremlins over time if you fail to register..anything from electronics to more sophisticated car operating systems. As others have said, it's best to register for the sake of the IBS issue, but as long as the battery is the same specs, their is no need to get an OEM battery.
I am pretty sure walmart sells a battery with oem specs and size is just a bit smaller than oem, but can fit in the trunk fine
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05-10-2013, 08:00 AM | #37 |
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I can't argue either way about the effects of registering, because I really don't know, but from an engineering standpoint, with the description of the IBS and the measurements it makes, it is definitely possible, and probable, that the system would adjust to a new battery without registering. The issue would be that it could take a while.
The values it stores are likely using a moving average of sorts, and, especially with the anticipation that the battery would last years and that new batteries would clear the settings, the averaging function is probably in no hurry to adjust to the new battery, and is instead more concerned with smoothing out irregularities. After a while with a new, unregistered battery (a year or so? -- could be a lot less, maybe a little more), it would probably be fully adjusted, but during that adjustment period, it would be (partially) treating your new battery like the old. I can't say for sure what effect that would have on the battery, charging system, or general electrical performance of the car. I would personally guess it isn't *that* big of a deal, but I would definitely recommend registering it, and when the time comes, I'll be registering mine. |
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05-10-2013, 08:03 AM | #38 | |
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Attached is the TIS procedure. This is BMW copyright material and is posted here without permission. |
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05-10-2013, 08:15 AM | #39 | |
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The oil level sensor does not measure the level of the oil when the engine is not running (it can detect if the level is adequate to start the engine), so it does not know when the sump is emptied and refilled, which is why you have to manually reset the oil life monitor. |
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05-10-2013, 08:21 AM | #40 | |
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05-10-2013, 09:34 AM | #41 |
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I would, My battery in my 06 at the time was literally fine one night then go to start it the next morning and was dead as a door nail, no warning nothing. Got a bmw battery and got it registered never a problem after that. If your car is 6 yrs old its on its way out its just a gamble of when and where youll be when it does. If you have the means now id just do it for piece of mind. Just my opinion
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05-10-2013, 11:08 AM | #42 | |
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I may not believe in registering the battery, but I do believe in a decent relationship with any shop I go to. |
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05-10-2013, 11:17 AM | #43 | |
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I would not trust it. I guess the trick would be to run the oil until it says it needs to be changed and send it out. Since the interval resets to 15k, you would expect that to change over time...not match the odo. I just changed my oil, so I will watch this. Would be interesting as I've never heard of this. I still wish I had a dipstick. |
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05-10-2013, 12:08 PM | #44 | |
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BMWs have been running extended OCIs (i.e. mileage beyond the Federally mandated 7,500 miles under normal operating conditions for cars) for over 25 years. Long OCIs in BMWs is nothing new. My '06 325i has 214,000 running an average 17,500 mile OCI. It works. Last edited by Efthreeoh; 05-10-2013 at 12:14 PM.. |
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