01-23-2025, 03:59 PM | #1 |
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Should I replace my battery?
I just used BimmerLink to check my battery in 2018 M240i. It said the charge is at 68%. I drove the car about 25 miles (mainly interstate). The battery is original. The car starts without hesitation regardless of the temperature.
Should I just replace it? Thanks! Marco |
01-24-2025, 11:00 AM | #2 |
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If you're not having trouble starting in this single-digit weather & no weird electrical issues/codes you could consider waiting. Batteries are only going up in price! You can register the new one with BimmerLink so no need to pay a shop for that service.
BTW - where are you in VA?
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01-25-2025, 08:54 AM | #3 |
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John, I ordered an odyssey battery from FCP Euro. I’ll install and register it next week. I’ll take the old battery to the county hazardous waste disposal facility on Saturday.
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01-27-2025, 11:51 AM | #4 | |
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The 2 main reasons to change a battery is 1> Age 2> SOH
1> if battery is +5 (years) consider +6 seriously consider +7 change it 2> BUT only combined if the SOH (state of health of the battery) is less =< 55-60% You can test the SOH, by 2 reliable methods, using ISTA, in the battery health section, or buying a SOLAR BA9 for about 50 bucks and testing. The BA9 does a comprehensive battery test, anything else and your just peeing in the wind, dont bother with digital volt meters, 4 leaf clovers or a wet middle finger. Its a science , it works 110% Quote:
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02-01-2025, 02:01 PM | #6 |
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