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BMW 3-Series (E90 E92) Forum
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WTB: BMW Battery Tender
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09-23-2015, 02:54 PM | #2 |
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I bought the Deltran Battery Tender, which is the same thing. Just not rebranded for BMW.
Step 1: Visit Advanceautoparts.com for this Step 2: Before checkout, visit retailmenot.com for discount code. I think TRT30 will still work, but double check. Step 3: Checkout for in-store pickup. Pickup later today. |
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09-23-2015, 03:43 PM | #3 | |
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09-23-2015, 04:39 PM | #4 |
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I just bought one as well THANKS Z
Man I can't believe winter is almost here...so hard to put her away |
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09-24-2015, 09:31 AM | #5 |
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Glad I could be of help guys. I used this charger for the my coolant flush procedure as well. It won't help with base map flashing though. You do need a higher amperage charger for that.
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09-25-2015, 10:37 AM | #6 | |
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My friend bought a Duracell 6A. Looks like this one to store his M4 this winter. I dunno if the higher amperage is good? http://www.target.com/p/duracell-6-a...r/-/A-16746821 |
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09-28-2015, 08:55 AM | #7 |
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I would buy one that can also act as a jump starter but that is just me. Just leave it on the lower charge setting up 2A or whatever. not the 10A or 50A jump setting. They auto regulate so you aren't going to overcharge.
This is what I use: https://jet.com/product/product/dd68...t3BBoCixvw_wcB Had it for 5 years used it many times no issues. It does deep discharge and regular convention SLAs. A 1.25A trickle for $65 is a bit overpriced. You can buy one for $20 bucks. They are super simple electronics that have been around forever... I also have the BMW batt tender I got for free with my E91. Never used it though.
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09-28-2015, 10:34 AM | #8 |
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NOTE: if that coupon doesn't work any longer, amazon has the same one for the same price after coupon...i liked the advanced auto one though because i could walk from my house to pick it up same day
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09-28-2015, 10:45 AM | #9 |
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it's just a trickle charger. don't overpay.
if you flash you are better of buying a larger one like I posted above as you need at least 6 amps.
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09-28-2015, 11:44 AM | #10 |
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fuck I love batteries.
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09-28-2015, 05:01 PM | #11 |
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http://shop.advanceautoparts.com/p/s...erm=schumacher
This is the one I bought for flashing the ECU. Same scenario, used the coupon code, instore pickup. Got it for dirt cheap. You can always find the latest ones by searching at retailmenot for advance auto parts. I originally bought the Deltran one first for the coolant flush procedure, then this one. I would sell the Deltran one but it will prove useful when I store the car this winter. |
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09-28-2015, 06:38 PM | #12 | |
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I am keeping the tender for the same reason. Might as well use that as that is what is was made for and keep the larger one for tending my bench top battery and/or so I can bring it places. aren't batteries fun? that retailmenot website looks good. is it all legit?
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09-28-2015, 10:04 PM | #13 | |
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bro you've been missing out! slickdeals.net retailmenot.com mrrebates.com |
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10-05-2015, 07:57 AM | #14 |
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10-05-2015, 08:21 AM | #15 |
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10-05-2015, 01:30 PM | #16 |
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Suck it trebek
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