12-19-2016, 09:33 AM | #1 |
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battery tender??
I'm storing the M2 for the winter and am about to pull the trigger on this charger from amazon...
https://www.amazon.com/CTEK-56-864-A...le+charger+bmw Is this the correct one for the M2? I'm assuming we don't have a lithium ion battery like the M3/M4s. |
12-31-2016, 03:54 PM | #3 |
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Drives: F87 M2<E92 M3<E46 M3
Join Date: Jul 2011
Location: UK
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Garage List 2017 BMW M2 [0.00]
2016 BMW M235i [0.00] 2012 BMW 120d M Spo ... [0.00] 2010 BMW M3 - SOLD [10.00] 2002 BMW Z3 2.2i Sport [0.00] 2001 BMW M3 - SOLD [9.00] |
CTek.
And the M4 has lithium Ion?! I thought all BMW batteries were AGM. |
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01-01-2017, 01:16 PM | #4 | |
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Quote:
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01-02-2017, 11:11 AM | #5 |
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I just checked on my tender and it looks like it only outputs 750mA. I think most of the ones you guys have are 2-4A
Is this lower output going to be a problem? I would just think it would take longer to fully charge, but since I'm just 'tending' the battery for a few months it should be ok, right? |
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01-02-2017, 02:04 PM | #6 |
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Your BMW dealer should have the battery tender device. Mine came with it,it's called battery tender plus. It was all installed where the battery is. All I did was plug it in. It charges the battery to full charge, then
it goes into a float state to maintain the charge. I paid 199$ CDN dollars as part of car configuration. |
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01-19-2017, 05:04 PM | #8 |
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The one I purchased was also from BMW it's made by Deltran and is a 5 amp unit. The instructions recommended to use posts under the hood and not the battery terminals in trunk, no explanation given.
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01-21-2017, 09:24 AM | #9 |
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I have the CTEK charger, works great. Purchased from Amazon for $68.97 with free shipping. https://www.amazon.com/CTEK-56-864-A.../dp/B006G14FK8. I was amazed on how much my battery was drained after less than 1K on the odometer, this is a must have.
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