2003 BMW 330 After battery change time date won't store

2003 BMW 330
57,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BOIAGOGO
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I replaced the battery and now when I set the date and time in the computer/navigation screen, turn the engine off and next time I start the date and time are blank again. Do I need to initialize something to make it store the date and time? Any thing else I change in the computer/navigation screen remains and is not lost.
Jun 22, 2010 at 8:46 AM
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DOCHAGERTY
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You may not be following the correct procedure. Setting the time/date/year is the procedure, if any of the data is not input, it will revert to the initial screen. Is this helpful?
Jun 22, 2010 at 10:39 AM
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BOIAGOGO
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That's the order I was using: set time /hours/minutes then date day/month/year. The time and date remain and display correctly for as long as I am driving the car, as soon as I turn the engine off, the time and date are blanked out.
Jun 23, 2010 at 9:37 AM
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DOCHAGERTY
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Try disconnecting the battery for 10 minutes, or overnight if you have it garaged.
Jun 24, 2010 at 12:41 AM