drdubai Posted August 1, 2013 Report Share Posted August 1, 2013 Hi Everyone.... I am going on vacation for 1 month. Do I disconnect my 650i convertible battery or not. If yes, how do I do this without damaging anything. The reason I ask is the last trip I went on was for 2 weeks. When I returned my battery was flat. I still get the "high battery discharge when car parked" warning, and the "SOS malfunction or limited function" warning every morning. I have disconnected the sensor on the negative battery cable, this seems to have taken care of the "high battery drain" message. I think this was the intelligent battery sensor. The car drives much better after this, the air-con works better as well. I do not have a trickle charger or battery maintainer. So, the question is, to disconnect the battery or not? Will this damage the vehicle... electronic... error codes when reconnected... etc. Thanks. Link to comment Share on other sites More sharing options...
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