BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Disconnecting Battery

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      12-02-2011, 08:27 AM   #1
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Disconnecting Battery

I will be out of country for 3 months in March. Do you recommend disconnecting the battery during that time frame? I think the battery will not hold standing for 3 months. But, if I disconnect and re-connect after 3 months, except loosing radio stations, what else I will be concerned with?

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      12-02-2011, 08:30 AM   #2
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Why not leave the battery connected to a smart battery charger like the C-TEK while you are away? It will trickle charge and keep the battery at an optimum level when you return after some months. It even has acharge level memory and a re-start ability after a inadvertent electrical power cut off. BMW sells the same charger branded as its own.


Last edited by raj55; 12-02-2011 at 08:34 AM. Reason: include the site for C-Tek charger.
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battery, disconnect

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