01-23-2018, 01:58 PM | #45 | ||
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What does AGM mean? |
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01-23-2018, 02:09 PM | #47 |
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01-23-2018, 02:30 PM | #48 |
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01-23-2018, 03:18 PM | #49 | |
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Not driving my car for 5-6 days it's a must. |
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01-23-2018, 04:24 PM | #50 |
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Deltran works fine too, lasts for many years, and you can buy them at Costco occasionally, plus ebay sellers frequently have them for $40 or less, delivered.
I have on occasion forgotten that I had one attached and driven off, immediately realizing that I had ruined the thing. It hurts less to do that to a $35 or $40 thing :-)
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01-23-2018, 09:27 PM | #51 |
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Just thought I would add another option to keep rodents at bay. I have typically used moth balls but they stink. My mechanic who lives on a farm told me he has been using bars of Irish Spring soap for the last 20 years in his cars, garages and motor homes and has never had a mice issue yet. He said to just cut the soap like into slices like you are cutting bread. Apparently mice and other rodents hate a clean smell. If you live somewhere warm just be careful since the soap can melt if it gets too hot.
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01-23-2018, 10:08 PM | #52 | |
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01-23-2018, 10:23 PM | #53 | ||
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01-23-2018, 11:48 PM | #54 |
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Some of the float chargers have plastic cases; I've never backed out over one of those, however I have made this unfortunate mistake twice now with the metal ones. They have no structural strength and come out almost completely flat before you realize what you did! Also, the wiring doesn't do too well, either :-)
I should ad that I have a lot of cars and habitually plug my cars into these things all of the time when I'm not driving them or at least overnight, since (especially in the summer) I might drive a car one day and not get back to it for a week or even a month. These things don't have very long cords, which makes it hard not to position them in a way that you just end up backing out over them. I do think that using these things regularly will greatly extend the life of your car battery; 6 years would not surprise me.
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01-24-2018, 08:45 AM | #55 | |
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You can go at least 3-4 weeks without needing a battery tender, but probably more. I parked my car from 20DEC to 14JAN when it was in the teens and it fired up like it would if I drove it every day. |
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01-24-2018, 10:24 AM | #56 | |
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01-27-2018, 03:06 PM | #57 |
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Am I the only one that doesn't have a dead battery issue? My car has sat for 3 months in my garage, and it fired up no problems the other day. Battery voltage was still good at 11.9 before starting
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01-30-2018, 06:08 PM | #58 | ||
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'74 2002tii, Sienna Braun Metallic, Manual, Sold; '84 e28 533i, Burgundrot Metallic, Manual, Sold; '95 e36 M3, Avus Blau Metallic, Manual, Sold; '06 e60 M5, Silver Grau Metallic, SMG, Sold; '09 e82 135i MSport, LeMans Blue, Manual, Sold
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01-31-2018, 11:43 AM | #60 | |
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What you got away with on a battery that is only a year or two old, may not be something you can get away with when the battery is older. And it is a good data point to know that the current draw on this car, at least on your car, is not so much that 3 months sitting without use when the battery is relatively new, will not result in the battery's demise. What we can't know from what you have observed is whether the long term lifespan of your battery has been adversely effected. I tend to leave my cars on a float charger all of the time, unless I know I will be using that car within a day. I don't know that this extends battery lifespan, but I can't see where it would hurt.
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07-11-2018, 04:47 PM | #63 |
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Isn't it just fine just to unplug the battery instead of connecting a charger?
Did this on my 335 e92 and had no problems. Also, fuel stabilizer and topping the tank? Never did this either and no problems there either, always used V-power though.. Had the 335 for 12 years and it was in great condition when traded in for an M2. Just occasionally drove it around in the garage for a few minutes to get it warm and making the tires shift resting spot. Never ever drove it in the snow... |
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