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      04-14-2019, 09:00 AM   #1
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Drives: 135
Join Date: Dec 2018
Location: Louisiana

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Hey everyone!

I had my battery run extremely low in my N54, so instead of replacing it, I charged it and put it back in. While the battery was low, I got a check engine maintenance required light. I bought a diagnostic tool and got a string of codes.

- should I register it as a new battery considering I charged it?

- if I clear all codes, will the car throw another code for the problems that really are a problem?

Any help on this is appreciated!
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      04-14-2019, 09:39 AM   #2
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MightyMouseTech's Avatar

Drives: 13 135i 6MT LeMans Blue MSport
Join Date: Feb 2013
Location: Ottawa, Canada

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Only register it if you installed a new battery.

Just clear the faults and keep driving.
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