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Old 07-25-2019, 11:01 PM
semcoinc's Avatar
Join Date: Dec 2014
Location: Dallas, TX
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Originally Posted by X5only View Post
Thanks for your post. My current battery has disappointed me lately - twice it has let me down in parking garages but fortunately I have a portable charger. Got the battery from BMW in Aug-2015 for $200, part 61-21-2-353-810, 720 CCA, 90AMP.
I agree, 4 years on a battery sold by the manufacturer is pathetic given the premium they charge, in my humble opinion.


Dallas, TX & Appleton, WI
2003 E53 4.4i Pearl Beige
2003 E46 330Xi Monaco Blue
2007 E90 335Xi Black Sapphire Metallic
2011 F25 X3 28i Black Sapphire Metallic
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Old 07-26-2019, 10:15 AM
andrewwynn's Avatar
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Location: Racine, WI
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Duracell AGM for $170 Sam's club. That's $70 savings from batteries plus

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E53 / M54 2001 3.0i gas LHD (pair of them: his & her)
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Old 08-19-2019, 03:35 PM
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Just installed Walmart's EverStart H8 AGM battery ($149) 900 CCA and it fit perfectly. https://www.walmart.com/ip/EverStart...up-h8/40647529. It has 2 top vent holes and comes with one vent hole plug (it's on the red plastic positive pole cap that should come with the battery), so gotta plug the other hole on the negative side.

And boy oh boy, my X5 has woken up and is alive as ever! It's not in my head but she's more responsive and definitely has that extra oomph. When I hit the pedal to the metal, she takes off immediately - no that milliseconds of delay I used to have. The vehicle just generally feels alive and nimble. Starts immediately as well. Wow, didn't know what I was missing.
'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.

Last edited by X5only; 08-19-2019 at 05:25 PM.
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