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Changing Battery after ECU Flash

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After an ECU flash, is there any precautions you need to take when changing out the battery??

My concern is the ECU will return to the factory presets when disconnecting the battery 

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1tondriver

Swap it out. No issues, it will retain flash. 

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RIP
10 minutes ago, 1tondriver said:

Swap it out. No issues, it will retain flash. 

Thank you 

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Beemer

It's like your computer, if you unplug it, it retains everything.

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Beemer

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