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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 04-04-2014, 06:52 PM   #21
GDubois
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^Mileage? That's pretty amazing you were still on your 2000 battery.
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Old 04-04-2014, 07:02 PM   #22
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^Mileage? That's pretty amazing you were still on your 2000 battery.
Agreed. That's a really long time for one battery. I wonder if that was a contributor to the problem. Still, you'd think the car would notify the driver about a worn out battery. Or the engine would just not start after a while.
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Old 04-04-2014, 07:13 PM   #23
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Benny, Good thread to start here to find COMMON issues that can start fires. Twin, Sorry to see the damage on your nice car. It seems to me that you must have had a shorted battery or something next to the battery that was intermittently shorting until it finally stayed shorted. Loosing power while the engine running alerted me that it was a high current short. I had a VW Karmann Ghia have a small engine compartment fire that did the same symptoms Twin Guns had. LUCKILY... I caught it when the fire just started from the METAL battery cover shorting onto the battery. Again...GOOD thread!
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Old 04-04-2014, 08:11 PM   #24
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^Mileage? That's pretty amazing you were still on your 2000 battery.
117,777. I remember glancing down at the odometer just a few minutes before the car initially died and thinking, "I can't wait to see 222,222 on the odometer"
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Old 04-04-2014, 08:29 PM   #25
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After reading about E46 catching fire due to LCM, FSU, and oil leak issues, I finally installed a fire extinguisher under the passenger seat.

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^Mileage? That's pretty amazing you were still on your 2000 battery.
Batteries can last a long time in SoCal. My 1999 323i run on the original battery for about 160K miles. Replaced the battery on its 14th year.

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Old 04-04-2014, 09:07 PM   #26
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Originally Posted by Megalocnus View Post
After reading about E46 catching fire due to LCM, FSU, and oil leak issues, I finally installed a fire extinguisher under the passenger seat.


Batteries can last a long time in SoCal. My 1999 323i run on the original battery for about 160K miles. Replaced the battery on its 14th year.
Which extinguisher did you buy? (Can you share a link or model number?) How did you install it?
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Old 04-04-2014, 09:31 PM   #27
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As I have mentioned in another car fire thread, I am a firefighter. Most of you would be surprised at the number of car fires that actually occur. Approximately one in seven fires responded to by fire departments across the nation is a highway vehicle fire. , according to US Fire Administration. Details at : http://www.usfa.fema.gov/statistics/.../vehicles.shtm It is highly unlikely that they are more prevalent in BMWs than in other brands. I fill out a report called an NFIRs for every incident - which includes make, model, year, and VIN - and if there are statistical anomalies by make and model, they will stand out and be noticed. Let us not forget that these cars are getting older, and as both electrical and mechanical parts age, they are more prone to failure which can lead to fires.

That being said, it certainly doesn't hurt to try to narrow down any potential problem areas, even if by anecdotal evidence. I guess where I'm going with this is, "Be vigilant, not paranoid" . While these vehicles are not overly prone to fires, they are susceptible. If we can do a bit more to prevent them from occurring, it saves us both a bit of trouble.
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Old 04-04-2014, 09:48 PM   #28
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Which extinguisher did you buy? (Can you share a link or model number?) How did you install it?
I got this one: http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1
Fits there just fine. Also comes with a plastic mounting bracket through which I punched holes and used zip ties to attach to a metal bar on the bottom side of the seat.
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Old 04-06-2014, 02:46 PM   #29
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Sorry it took me so long to respond, anyway I am in Texas but the car came from kanas. Right before the fire the fan blower would just run even after I cut the car off. This started maybe 3 days before the fire. There was 266000 miles on the car. The fire did not burn though the fire wall. If I missed anything just ask.

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Old 04-06-2014, 08:03 PM   #30
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Any Desert interstate, especially one with long uphill grades, you are bound to see LARGE, dark and rough areas on the pavement shoulder. This is usually a sign that someones vehicle overheated or something like that and BURNED to the GROUND!
If you can find one, a HALON fire extinguisher is a good one. I believe it is rated for most types of fires and doesn't leave all the WHITE powder mess. Yossarian might chime in as to a HALON extinguisher rating.
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Old 04-07-2014, 09:27 AM   #31
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If you can find one, a HALON fire extinguisher is a good one. I believe it is rated for most types of fires and doesn't leave all the WHITE powder mess. Yossarian might chime in as to a HALON extinguisher rating.
Halon is good stuff, but very expensive relative to a dry chemical extinguisher. If your car is on fire, the mess left by a dry chem extinguisher is generally the least of your problems. Most car fires start in the engine compartment, so cleanup is easy for the powder mess. Burned wiring, etc is a bigger concern.

The only way to stop an electrical fire (automotive or otherwise) is to kill the power source. If you can safely cut or remove the battery cable, it won't hurt. The fire may not be electrical in nature, but if it is, you may be able to stop feeding it. If it is even a question as to whether it is safe, don't do it. It's a car - in most cases insured - not worth getting hurt over.
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Old 04-09-2014, 08:08 PM   #32
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Sorry it took me so long to respond, anyway I am in Texas but the car came from kanas. Right before the fire the fan blower would just run even after I cut the car off. This started maybe 3 days before the fire. There was 266000 miles on the car. The fire did not burn though the fire wall. If I missed anything just ask.

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Hey, watches, had you replaced the FSR or blower motor before the fire? With 266k miles, I assume you had done one of these. Please let us know.
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Old 04-09-2014, 09:54 PM   #33
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No sir, I was just about to do it, then fire

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Old 04-15-2014, 01:33 AM   #34
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another wagon taken away by fire
http://www.reddit.com/r/BMW/comments...his_world_rip/
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Wife had dropped the kids off at school and was driving home when she saw smoke coming from dash. Pulled up behind our garage and the lower left dash burst into flames. No electrical mods to the car. Just suspension mods. After fire inspection looked like it came from the headlight switch or module on the lower left dash/kick panel.
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Old 04-15-2014, 12:36 PM   #35
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Oh, man, not a wagon too!
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Old 04-15-2014, 12:58 PM   #36
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I pulled a dead LCM out of an E46 recently and I opened it up. I observed and photographed what appears to be burn marks and corrosion on the circuit board. Maybe some electronics experts can chime in on this as potentially being signs that the board is overheating:







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Old 04-15-2014, 05:30 PM   #37
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Now correct me if I'm wrong but I've heard from other forums and also from a friend that people that change their front fog lights to HID or more stronger bulbs can over heat the LCM. For example my friend's old 328Ci originally came with the normal fog light bulbs. Then he changed them out for the blue color HID style bulbs. Every time when he would have the radio on and then turn on the parking lights then hit the fog light button you would get a very high pitch radio wave interference sound and would gradually go away until the fogs were on for about 15 seconds once they warm up and also when he would turn on the fog light the "High Beam" indicator on the instrument cluster would blink once.
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Ready to get destroyed?

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Old 04-15-2014, 06:06 PM   #38
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Same thing happened to my dads 02 330ci. Scary sh1t. If the car were in the garage the whole house would've went up. Issue has been brought to BMW before and they refuse to do anything about it...







Seems to be LCM. Add this one.
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Old 04-15-2014, 06:29 PM   #39
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Wow, another LCM. Well if any of these owners (or anyone else) wants to take these cars' info and file a complaint, maybe something will happen. http://www.nhtsa.gov/ "file a complaint" link on the top right side of the page.
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Old 04-15-2014, 06:35 PM   #40
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Seems to be LCM. Add this one.
It's already on the list.
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