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Sedans BMW 3-Series BMW 3-Series Maintenance and Repair
4450 messages, Last post on Dec 05, 2009 at 12:23 PM
You are in the BMW 3-Series Forum. Your Hosts are pat & karens
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My 2007 328i coupe would not start last Friday I had to tow it to BMW. I was told that my car had problems with the Intelligent Battery Sensor and that they had to get a new one and then charge it. My car is still at the dealership and I was told today (Tuesday) that water was accumulating on or near the battery??? Does anyone know anything about this?
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Replying to: crayor (Oct 20, 2009 10:45 am)
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BMW called me about an hour ago and stated that the water was coming in through the right rear tail light and that water was accumulating on or near the battery. A few months ago I had a new rear bumper cover installed. BMW is saying that who ever installed the cover did not seal the tail light? I did not have the tail light replaced. Also they want me to pay $1398.00 for this job! I had three different tow guys come out to charge my battery before they towed it to BMW. No one mentioned water by or near the battery. I also did not see any.
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Replying to: Mr_Shiftright (Oct 20, 2009 10:58 am) |
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Replying to: crayor (Oct 20, 2009 11:58 am) It is quite common to get a trunk leak through the tail light lens seal. A quick fix for that is to tighten up the tail light lens assembly (I think on your car you do this from inside, with some large "star" wheels. If necessary, you can remove the entire tail light lens asssembly and then coat the gasket that seals it to the body with some LATEX caulking compound from a hardware store. I like latex vs. silicone because it's way easier to clean up (cleans up with water before it cures). I don't see how a little water in the trunk is going to affect the battery. This is a non-sequitor to me. The Battery sensor IBS could be defective if it doesn't tell the DME (ECU) the information the DME needs to switch things on and off as needed. (such as entering or leaving Sleep Mode) Or the interface could be defective. But you should get warnings of low battery due to excessive drain. Was any aftermarket equipment ever wired into this car (radio, DVD, NAV, GPS, etc)?
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Replying to: Mr_Shiftright (Oct 20, 2009 2:20 pm) BMW states the water on or near the battery when they pulled it out after working on the IBS, they stated the water shorted the battery cable and this caused my IBS to go out. Wouldn't you check and pull out the battery at the time of inspection? Not after installing a new IBS? Would you have a problem with the tail light leaking water into the battery if you had a rear end bumper cover replaced? I appreciate your time and thoughts on this matter!
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Replying to: Mr_Shiftright (Oct 20, 2009 2:20 pm) |
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Replying to: Mr_Shiftright (Oct 20, 2009 2:20 pm) |
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Replying to: crayor (Oct 20, 2009 2:53 pm) None of this makes any sense. I think they're either jivin' you or I haven't heard the whole story.
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Replying to: Mr_Shiftright (Oct 20, 2009 3:05 pm) Mr_Shiftright, I am a gal so I have no idea what a 400 Ampere dead short is!!! Unfortunately, it would not be the first time they have taken advantage of my lack of knowlege.
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