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      06-26-2026, 03:04 PM   #2
DrFerry
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Drives: 2008 E92 M3
Join Date: Jul 2010
Location: Greenville, SC

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Quote:
Originally Posted by e90Dawg08 View Post
Good afternoon all, I did some digging and couldn't find anything in regards to my specific question.

I recently had my battery replaced and I'm curious on thoughts for keeping it on a battery tender while it's new. My car is driven daily for school drop off and then a couple errands here or there, averaging about 10-15 miles per day. I'm thinking I should put it on the tender to lengthen the life of the battery, but just wanted to crowd source some opinions.

For what it's worth, I use a CTEK tender.

Thanks guys!
Yep, use the tender even on a new AGM E9X M3 battery.
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