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      03-24-2020, 06:24 PM   #1
Biginboca
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Drives: 2009 E92 328i 6MT
Join Date: Jun 2017
Location: Boynton Beach, FL... USA

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Lightweight battery options for N52 cars?

I’m wondering what options we have for lighter batteries. My car originally had a 90 a/h ~60lbs battery which I replaced with a H6 70a/h and coded for a couple years ago. That dropped the battery weight down to about 40lbs.

Now my wife’s car needs a battery I’m thinking I could put mine into hers and look for something even lighter for my car.

I found this Odyssey which when I do the *approximate conversion* (CCA divides by 7.25) comes out to 45.5 a/h. I think I remember seeing in Carly that 40 a/h was the lowest capacity coding option so this would still be within the factory battery coding parameters. This battery weighs about 24lbs so saves 16lbs more lbs vs what I have now also.

https://www.odysseybattery.com/Batteries/Model_PC925

There are SAE terminals which thread to fit this battery so terminal type isn’t a reason not to use it as far as I can tell.

Has anyone researched any options for lighter batteries?

Last edited by Biginboca; 04-01-2020 at 10:40 AM..
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