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| 11-25-2019, 05:35 PM | #23 |
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Drives: G08 iX3
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Location: Sydney, Australia
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The Driv3r Could I trouble you for an update on how your ATX-30 is going?
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| 11-25-2019, 06:34 PM | #24 | |
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just another M3
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Hope that helps. My friend was at sema and antigravity came out with new stuff directed to automotive and higher capacity batteries.
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///M3... Don't want more power, Just want it to turn sharper one step closer each time. -Ohlins TTX Raceline, PolePostions seats, Akrapovic EVO, ARC-8, 1/2 Cage, Seat Delete, Stoptech BBK, solid Subframe and diff bushing, spherical bearing on everything.
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| 12-02-2019, 04:18 PM | #25 | |
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By far one of the best upgrades I've ever done, from an ease of install, disconnecting the battery use and performance gain this really has been a pleasure. I will be only using one of these going forward! Also worth a note, the car has been sitting from March till October, fired right on. |
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| 09-25-2023, 08:42 AM | #26 | |
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Major General
 
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Except for weight, crazy fast charging and high voltage during load, it seems sometimes the capacity is forgotten. I.e. while a lead battery only delivers 50% isch of its Ah juice the Lithium keps deliver after 80% and more. As an example my boat had 8pc (!) 90Ah lead before (high capacity to force higher charge current really), replaced by 2pc 90Ah Li. Next battery replacement in my M3 I'm in! |
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| 02-21-2024, 11:05 PM | #27 |
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just another M3
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good to see the thread still going, I'll be hitting 6 years with this set up. it has lasted as long or longer than a normal battery.
super happy with it and will continue with it, if eventually it’s tired and needs a refresh I’ll purchase another. But still cranks hard.
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///M3... Don't want more power, Just want it to turn sharper one step closer each time. -Ohlins TTX Raceline, PolePostions seats, Akrapovic EVO, ARC-8, 1/2 Cage, Seat Delete, Stoptech BBK, solid Subframe and diff bushing, spherical bearing on everything.
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| 02-25-2024, 08:00 AM | #30 |
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Drives: '11 Lemans Blue 6mt Harrop e90
Join Date: Dec 2020
Location: Camas, WA
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Garage List 2011 E90 M3 [9.00]
2003 Porsche 911 Turbo [9.75] 2019 BMW X5 xDrive40i [0.00] 2013 Mercedes E550 ... [0.00] |
I've noticed that you can but these direct from the manufacturer for around $240. Looks like you can contact them if you need to add a self warming feature for arctic starts. This one weights in at 13lb or 2.2kg.
https://www.aliexpress.us/item/32568...yAdapt=glo2usa I purchased a cheaper one last year that matched other vendor's specs - except for the most important one which was cranking amps. So I have a very nice bench battery and a 12v source in a power outage. But for my other fellow bargain hunters, make sure what you buy has a rating for 800 CCA or higher. |
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| 02-25-2024, 10:09 AM | #31 |
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just another M3
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I personally would stick with Antigravity.
US made and built in BMS. I have a hard time trusting cheaper Chinese Lithium battery. Just in the case of fire.
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///M3... Don't want more power, Just want it to turn sharper one step closer each time. -Ohlins TTX Raceline, PolePostions seats, Akrapovic EVO, ARC-8, 1/2 Cage, Seat Delete, Stoptech BBK, solid Subframe and diff bushing, spherical bearing on everything.
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DRLane3988.50 CamasM3e933164.00 |
| 02-26-2024, 08:07 AM | #32 | |
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Friends don't let friends ESS
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Garage List 2011 E90 M3 [9.00]
2003 Porsche 911 Turbo [9.75] 2019 BMW X5 xDrive40i [0.00] 2013 Mercedes E550 ... [0.00] |
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