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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > ConnectedDrive / I-Drive / Navigation Related Discussion > Battery Disconnect Question.



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      04-11-2011, 08:59 AM   #1
jnjn1980
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Battery Disconnect Question.

Im getting ready to do some work on the engine (valve gasket cover replace) Im going to disconnect the negative terminal on the battery. Will this reset my service intervals (ie my car says its due for an oil change in 2000ml). I have the extended maintenance package so I don't want to mess with the numbers or reset them because all the maintenance is paid for for another 12K.


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      04-11-2011, 09:53 AM   #2
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Originally Posted by jnjn1980 View Post
Im getting ready to do some work on the engine (valve gasket cover replace) Im going to disconnect the negative terminal on the battery. Will this reset my service intervals (ie my car says its due for an oil change in 2000ml). I have the extended maintenance package so I don't want to mess with the numbers or reset them because all the maintenance is paid for for another 12K.


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No, disconnecting the battery will not reset the service counters.
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      04-13-2011, 06:36 PM   #3
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I have an 09 with idrive and the only setting I lost was the time. Everything else was retained.
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      04-13-2011, 06:46 PM   #4
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you should close all windows sunroof etc. before diconnect to avoind initializing problems...
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