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Discussion Starter #1
I'm back to riding after 20 years off. I rode a friend's GS for a couple of laps and that was it – ran straight out and found a great deal on a barely used 2005 LT. (As a kid, I was always jealous of my big brother's way cool coal black '65 Beemer. So take that, Mike!)

It's also been fun to check the forum from time to time to see what's up. I've learned a lot just wandering through other folks posts here. But now I'm stuck with a puzzle that I can't find in the archives. It's 120 miles to the nearest dealer. This is do-it-yourself country, so time for my first thread!

We were out of the country for 3 weeks but when back I hopped on my 2005 LT on return, the battery was flat. It had just enough juice that I could hear the 6CD player channeling, – that may have been part of what ran it down. Anyway, after disconnecting the battery leads I put it on the charger. It came back up to full charge, but I couldn't get the starter to engage. Thinking maybe the battery was not holding the charge for more than a few seconds, I tried jump starting from my Subaru. Again, full electric shows on the instrument panel and lights, but not even a hint of starter action. Not a sound.

So I came to the source of all wisdom, the BMWLT Community posts! Aha, I see, a past post says it might be the alarm system going whacko when I disconnected the battery. So I try to deactivate the alarm using the fob. Still no luck. Is there something I'm missing here? I have no doubt that I'll need to get a new battery when I'm down in Denver, but it would be nice to know that is all it is and everything else runs o.k.

Any ideas from youse guys? :confused:
 

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just get a new battery, probably time for a new one anyway as it is probably the origonal one, take care of the major problem first then deal with the alarm if it is still acting up. keep us posted
 

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Discussion Starter #3
Sure. I'd already planned that. But it's a full day's trip and if there is anything else I might learn beforehand, it's worth asking.
 

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if you jump the bike from your car, leave the cables on a while, without the car running, see if it will start then, it should give you enough of a charge to turn the motor over, also check your fuses, though doubtfull you fried one, make sure the battery in your key fob is good, at least to disengage the alarm
 

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Discussion Starter #5
Thanks! I'll give it a try. If it doesn't work, then I'll take a bigger bag when I go down to the flatlands.
 

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I would purchase a Westco (12V20P) or Odyssey (PC680?) battery. I would stay away from anything that the dealer has to offer.
Just my $.02
 

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Discussion Starter #7
Thanks, Mike. Have you had some bad luck with the BMW standard batteries, or are the others just better value?
 

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As others have posted. You have to supply power to the "secret components" for awhile (10 to 20 minutes I think) before attempting to crank it over. I found this to be true of all vehicles these days.

IF you are jumping from a car, just connect the battery up, leave the car off (not running). Leave the battery connected for 5 minutes or so and then try to start. If it doesn't you have another problem. Phone the BMW dealer and ask them.
 

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2fattires said:
Thanks, Mike. Have you had some bad luck with the BMW standard batteries, or are the others just better value?
Usually the BMW batteries are wet cell batteries that you have to worry about checking the fluid. Adding fluid is another story with the stock battery. The Westco and Odyssey are dry cell batteries (not the correct term) that you do not have to maintain.
 

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mtrevelino said:
Usually the BMW batteries are wet cell batteries that you have to worry about checking the fluid. Adding fluid is another story with the stock battery. The Westco and Odyssey are dry cell batteries (not the correct term) that you do not have to maintain.
I think he means "gel".
 

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IIRC, the Westco and Odyessy are AGM, Absorbed Glass Matt, batteries and not gel. The latest BMW battery is gel.
 

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discharging the battery.

And speaking of LT's nutting up after the battery dies....................
Once I left the taillight on by accident and ran the battery down (DUH!). I bike barely started--but did start and stay running. I fast idled it for 10 min's in the driveway then shut it off. It started right up like the battery had charged, so I rode off.

Two stops later, (not 1, but 2 stops) the bike dies and will not restart. Battery DEAD! I call for tow and jump start it. This time, i ride for 50 miles and all is well.

These crazy kraut machines!
 

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Discussion Starter #13
There is no sound so sweet on a Sunny Sunday morning as the rumble of of a BMW after two weeks of silence. After many tries at other options, a run to the big city and a new battery provides the fix.

Thanks to all for ideas and encouragement. I'll look forward to keeping in touch.
 
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