Battery blow up
10-17-2011, 11:08 AM
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Hi,
I replaced my battery on 07 530i. Everything was fine for 5 months , last night while driving i heard a small blow up sound from back of the car. I thought a rock or something hit the bottom but this morning I couldnt start or jump start . I tried battery tender but , light blink which means battery is not connected. When i checked the battery at the back , i saw the red battery cable is disconnected at the thick black part . similary to this
http://i.ebayimg.com/t/BMW-E39-E38-740i-540i-5-SERIES-BATTERY-CABLE-AIRBAG-SRS-/00/$(KGrHqIOKosE4uE7+fq2BON4uof1Y!~~0_3.JPG
Airbag did not deploy.
How can I start the car ? if/how can I fix it ?
I replaced my battery on 07 530i. Everything was fine for 5 months , last night while driving i heard a small blow up sound from back of the car. I thought a rock or something hit the bottom but this morning I couldnt start or jump start . I tried battery tender but , light blink which means battery is not connected. When i checked the battery at the back , i saw the red battery cable is disconnected at the thick black part . similary to this
http://i.ebayimg.com/t/BMW-E39-E38-740i-540i-5-SERIES-BATTERY-CABLE-AIRBAG-SRS-/00/$(KGrHqIOKosE4uE7+fq2BON4uof1Y!~~0_3.JPG
Airbag did not deploy.
How can I start the car ? if/how can I fix it ?
10-17-2011, 11:21 AM
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My Ride: 2008 550I,Space Grey,Hud,Cold Weather,M - Sport, matched GP Thunder headlights and Fogs,,Smoked Badges, Night Vision, Heated Seats,Rear Sunshades, Aux Audio, SAT, NAV, Black Grills, Sprint Booster, Dinan Cold Air, Stage 2 Dinan Software.....More to come soon
The cable has tnt and for some reason it got agitated enough for the car to think it was in a collusion of some sorts that is why when you replace your battery you have to be extra gentle with that cable. Un fortunately I don't see another way of get your car going besides replacing the positive cable I don't know of any quick patches besides the dirty,hairy,tried tow guy
10-19-2011, 10:40 AM
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My Ride: BMW
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I have an extra one of those cables. They're pretty pricey at about $250 new. I would take your car to a dealer or independent to see what could of triggered it to blow. If you get a new one, that might blow as well.
10-19-2011, 11:06 AM
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I guess something triggered the safety feature. Before you replace it you best find out what set it off so I doesn't go boom when you connect a new one!!
10-20-2011, 05:55 PM
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when you say you replaced it did you actually do it or did you have it done. Was it registered when installed? If not that could make it go boom! From my understanding the computer can manage the battery that it has, once you replace the battery the new battery has to be registered if not it continues to charge it like the old battery. And that is not a good thing Boom!
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