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-   -   Battery drain only when left unlocked (https://xoutpost.com/bmw-sav-forums/x3-e83-forum/111383-battery-drain-only-when-left-unlocked.html)

magicmarker55 01-19-2020 12:28 PM

Battery drain only when left unlocked
When I lock the car with the remote I don't get any battery drain. Left it for a week and started right up. If I don't lock it, it goes dead in about a day. Does that narrow down the draw options?

warrenbrown 03-18-2020 03:13 PM

Don't have any direct knowledge of locked vs unlocked. Check the drivers side (left) rearmost storage compartment for signs of moisture. At about floor level or slightly below is the telemetrics unit. Mine looked like it may have been in the Titanic. Unplugging that caused over 100 ma drop in parasitic drain. The root cause of the moisture was the rear sunroof drain being plugged.


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