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Battery exploded in my trunk; Please read so this doesn't happen to your E9X.
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12-24-2010, 06:54 AM | #67 |
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OP sorry to hear about this incident, I am of the camp that a battery goes, you drive to Sears or Wal Mart, get one, put it in, and throw the old one in the woods off the interstate highway (j/k). This forum was the first place I ever heard of having to "register" the battery to the car.
I was thinking of getting my battery replaced yesterday on my appt., but prior, I've never seen anyone getting one under warranty. My SA told me 5-6 years is expected, and BMW will rarely replace a battery under warranty (my car is 49 mos.). I saw another thread where the OP said his battery was tested, charged, and the dealership told him he doesn't drive the car enough to charge it properly--I think I am still in this situation as well. Anyway, after looking through the DIY for the E9x battery, for now, I'm pretty much decided I wouldn't DIY due to the potential for consequential damage. So if it's any consoloation to the OP, he's doing a good thing when he says "so this doesn't happen to your E9x." That's making a positive out of a bad situation. Merry Christmas OP, thanks for sharing. |
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12-24-2010, 06:58 AM | #68 | |
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Gotta love MBA's....hopefully you guys don't graduate more useless MBAs and Lawyers! This is what results! |
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12-24-2010, 07:33 AM | #69 |
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Sucker4StraightSixes, I'm now confused on this issue after re-reading your original post. So did the battery actually explode (i.e. the battery case rupture, spewing battery acid all over the battery well in the right rear fender), or did the pyrotechnic positive terminal (errantly) activate and break the power cables as it is supposed to do?
For the battery (case) to explode there would have to be serious venting problem and a build up of hydrogen gas to an unbelievable level to rupture the plastic case, or enough hydrogen gas present along with a spark to cause a small hydrogen explosion. If the pyrotechnic positive terminal device exploded then it somehow malfunctioned, but it would have triggered the flashers, turned on the interior lights, and unlocked all the doors (if they were in the locked position). Could you please clarify what exactly happened? Thanks. |
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12-24-2010, 07:37 AM | #70 | |
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Electrolysis in lead acid batteries produces H and O. Provide a spark and things go Many of us change our own batteries, including putting in lightweight Braille batteries. There are right ways and wrong ways to install batteries. It is no longer the easy job that it once was. Reading service manuals and checking SIBs is a good idea. While you're at it, check out the forum rules as well; please remember that there are innocent types reading posts, and Big Brother doesn't want them exposed to foul words. Cars have changed. One size fits all simplicity is a thing of the past. This is not some nefarious plot to foil the DIY'er and extract more $ out of hapless owners. BMW, Porsche et al don't hire engineers to figure out ways to prevent owners from doing their own service. [Of course the flipside also holds true: BMW et al don't hire engineers to make things easier for us to DIY either. Let's not get started on the e-dipstick...] This is a tired old argument. I remember back when fuel injection replaced carburetors and the weekend wrenches bitched that it was all a plan to make things so complicated that you had to take your car to the dealer for service. By your logic you should feel cheated that you can't go to radio shack and buy some circuit boards to replace the ECU. Look, we all feel for the OP. We appreciate his thread warning us of the potential dangers of battery replacement. I remember an old guy a few farms down from where I grew up that had acid burns from a battery exploding when he was jump starting his tractor. As best as I can remember, he never blamed John Deere.
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12-24-2010, 07:50 AM | #71 | |
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I agree with you on the BS conspiracy theory. And I like fuel injection, much easier to deal with than carburetors. |
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12-24-2010, 08:14 AM | #72 | |
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Something caused a regulation incompatibility resulting in overcharging when he started the engine. Something caused a ventilation failure. Something caused a spark. Hopefully a tech will chime in and hypothesize what the somethings might be. I agree on the FI -- the Kugelfishers on my tii were easier to deal with than the Webers on my ti.
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12-24-2010, 08:33 AM | #73 | |
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You pointed out nothing and are sparking a fire with the OP. |
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12-24-2010, 08:36 AM | #74 | |
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Any settings? What are they for the 21lb Braille? EDIT: Also my car will be sitting for a good 5 days.....should I wait to install the new battery? I'm thinking yes. Last edited by fdriller9; 12-24-2010 at 08:42 AM.. |
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12-24-2010, 08:48 AM | #75 | |
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12-24-2010, 09:01 AM | #76 |
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I wonder if the OP replaced his non-AGM with an AGM.
http://www.e90post.com/forums/showpo...3&postcount=44 Read the section: "Do not charge AGM batteries with 14.8 volts or use use rapid charging programs" I think it also goes over the registration process at the bottom.....I'm still confused though. |
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12-24-2010, 09:29 AM | #77 |
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12-24-2010, 09:55 AM | #78 |
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To do the adaption reset with the BT tool, all you do is:
Engine Module, Commands, Battery Replacement Adaption, Click Send Button. |
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12-24-2010, 09:59 AM | #79 | |
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You need to change the programming for each to charge correct.....and prevent over/under charge. EDIT: My car is at the dealer to get engine head replaced.....I guess I'll ask my SA. |
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12-24-2010, 12:31 PM | #80 | ||
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When replacing the battery in a BMW with an IBS cable (which yours has) You need to register the new battery, to tell the DME that it now has a fresh battery with full capacity. Basically what happens is. The IBS cable monitors the battery, voltage, capacity, temp etc. Over time the battery will discharge ( it may still output correct voltage) but its capacity drains. When this happens the IBS cable tells the DME to tell the Alternator to slowly bump itself up do the battery is getting weaker, so it will charge it more so it can keep up. Now when you replace the battery, the new battery obviously has a full capacity. The IBS cable will not know right away that you have a new battery in it. So it can potentially OVERCHARGE the new battery for a brief period of time until it relearns which can potentially shorten the life of the new batt. The reason for registering is basically to tell the system it has a new battery, with full capacity and it doesnt need to be charged at a higher rate. The battery that you installed, did it have the same exact specs as the OEM one? I didnt read through this whole thread, so Im not sure if anyone posted this info yet. But dont go and blame BMW for this, this isnt their fault. You didnt take the proper steps to maintenance on your car, probably because you wanted to save money (nothing wrong with that) But you should have atleast done some research before hand. Now your issue may not happen to everyone that changes to an aftermarket battery and not registering, but its definitely possible. If that is even the reason the battery did fail. Like others have mentioned, improper venting, wrong battery type, etc etc. There is a reason why the manufacturers give you that little booklet. Last edited by Juiced46; 12-24-2010 at 12:46 PM.. |
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12-24-2010, 12:33 PM | #81 |
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Thats not the same as doing a battery registration. You cannot do that with the BT tool. All that is doing is resetting your engine adaptations which is totally different then registering a battery change
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12-24-2010, 12:42 PM | #82 | ||
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Also OP, what kind of battery did you install? |
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12-24-2010, 01:42 PM | #83 | ||
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The registration command is 3 up from the bottom. Battery adaptation is about in the middle. [IMG]http://i714.photobucket.com/albums/ww146/*********/BTToolBatteryRegistration.png[/IMG] I was asking if there are any parameters to set: AGM vs non-AGM. Different capacities and more importantly, charging programs, as each battery has a different program, especially the AGM vs non-AGM types. Anyway so I just got back from picking up my car from the dealer. I had to get my engine head replaced as well as the sensor mat in the passenger seat. I asked my SA if she was familiar with battery registration. She said yes so I asked her what exactly is done. I told her I was aware of the 2 types of batteries in our cars: AGM and non-AGM. And that I also knew there were a few different capacities for each type. You can find all the manufacturers, specs, and types for my, MY'06 330xi here. Scroll to the bottom: http://realoem.com/bmw/showparts.do?...99&hg=61&fg=30 Anyway once I asked for specifics, she didn't know and I was expecting that since most SAs do not work on the cars themselves. Then she brought over the service manager who was a COMPLETE DICK to me. I asked him if any parameters are set. He responded with something like this: You CAN'T register the battery yourself. There is NO tool for this. It can ONLY be done with ISTA or whatever the protocol is, here at the dealer. And I asked again in different way: So once you reset it, that's that? There's nothing you have to select or input? Response: No only BMW sets those specs. No shit asshole. That's why I'm asking you what they are..... At that point, I gave my SA a look and she rolled her eyes. I thanked my SA and specifically told the service manager I was not thanking him and that he was of no help. As I was leaving I was thinking about telling him that HE was the reason why I hate going to dealerships.....I should have. So I would tell you guys further on what happens when I do the registration, but I am away for a week and my car will be sitting. I don't want to install the new battery for obvious reasons but once I am back I can make a thread showing the process and if any parameters need to be set. Last edited by fdriller9; 12-24-2010 at 01:50 PM.. |
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12-24-2010, 02:08 PM | #84 | |
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I didnt realize you are talking about the Bavaraian Technic tool, I thought you were talking about burgers tool my bad. The registration in that seems ok but there are more options in ISTA.
The Service Manager probably doesnt know about the BT tool that is why he said you can only do it in ISTA. And there are different options when registering a battery. Im fully aware of how it works. When using ISTA and you register a battery its asks either if you are replacing the battery with the same type and capacity, asks if you are retrofitting an AGM, or if you want to change to a different capacity. It will also show how many times the battery was replaced, and at what kilometer reading it was replaced at. This is good for diagnosis in battery/charging issues. So to answer your question. Yes there is an option to select non AGM or AGM when registering a Batt in ISTA, as far as doing it in the BT tool, Im not sure. Quote:
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12-24-2010, 02:24 PM | #85 | |
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I understand he may not have known about the tool. That's fine and by all means acceptable. But you should have heard his tone of voice. Unfortunately I cannot describe by typing but my SA caught it and so did my father who wasn't even next to me when I asked. He was paying at the service desk while I was at my SAs desk, about 20 feet apart. |
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12-24-2010, 02:44 PM | #86 | |
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12-24-2010, 03:52 PM | #87 | |
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12-24-2010, 04:28 PM | #88 | |
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A battery can explode with nothing hooked to it. Ive seen it happen to a tech @ a dealership I used to work at. He had a brand new OEM battery on the bench and it exploded. No charger hooked to it, nothing. I think in the OPs case that this doesnt have to do with a safeguard. Something went wrong, not vented properly or vented at all, incorrect battery for the vehicle etc. |
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