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-   -   Z3 Phantom Battery Drain (http://www.bimmerfest.com/forums/showthread.php?t=658093)

babyZ 11-14-2012 05:24 AM

Z3 Phantom Battery Drain
 
My car has decided it is no longer going to hold a charge over night.

Things I have checked:
Battery - it has been tested, but I suspect water in the casing + freezing temperatures
CEL's - All have been delt with - P0505 and P0455
Sound system - The entire system is ran through a bank and isolator switch

Any ideas past that that could be the culprit?

KBH22102 11-14-2012 05:45 AM

Check if the wiring loom near your driver's side trunk hinge has frayed wires causing a short, or if you just haven't shut your trunk completely causing the trunk light to stay on continuously.

dougmcintyre 11-14-2012 06:30 AM

Start with http://www.bimmerfest.com/forums/sho...=battery+drain

Searching on "battery drain" will turn up a ton of info.


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