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2005 BMW 525i Question: when changing the battery, what voltage should the power saver be?



ruyhelyi, Yorktown, VA, August 10, 2012, 11:13

there is a choice between a 9v battery saver and a 12 volt
battery saver.

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  • Answer #1

    August 10, 2012, 16:38

    A 9v power saver will be fine for keeping your radio and security settings. If you are planning on replacing batteries for a living then invest in the 12v.

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