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Message: <blockquote data-quote="ciklee" data-source="post: 728059" data-attributes="member: 22701">Bro unos,I think the original bmw battery (agm type) should last you many more years. In my case, my battery is already 10+ years old. Maybe there is a problem with the alternator not charging battery properly. Or the car did not go to sleep when you switch it off.My advise is take out the battery and send it for recharge. If the shop says the battery is dead and cannot be recharged, ask them to connect a 2nd good battery to the charger. Sometimes the charger cannot detect the dead battery due to the low voltage, but a 2nd battery should trick the charger.</blockquote>