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Old 06-27-2014, 08:54 PM
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Join Date: Jan 2014
Location: Indiana
Posts: 14
INDe53 is on a distinguished road
Battery drain

I read many threads about it and picked up a few tips.
My 01 3.0/5 spd just started draining the battery last weekend. I drive it about once a week and I just put a new battery in it over the winter. Twice I have charged it and each time by morning it was dead.
After reading the threads I dug into searching for the drain. The battery is starting out with decent voltage, ~12.9vdc. I hooked up my meter and got >5amp drain with the lights on, so I dummy latched all the doors I had open. Amperage draw fell to ~2.8a. I waited the 16 min plus for it to go into sleep mode, obviously it won't because it's no where near the 750mA prerequisite. But I waited anyway. After the allotted time I started pulling all of the fuses in the glove box, no change noted. Started pulling the fuses and relays in the aft right cargo area, no change. My X has a trailer brake control unit, so I pulled those fuses also, no change.
My question is, what else is there to pull? GM3? Any other control modules? Also, where are they located?
Any help would be appreaciated.
__________________
72 E3 Bavaria 3.0 4 spd-sold
76 2002 4 spd project
85 E24 635CSi 5 spd-son's
86 E28 535i 5 spd-sold
88 E28 535i 5 spd-son's
91 E34 525i 5 spd-sold
92 E34 525i 5 spd-sold
95 E34 525i 5 spd-sold
99 E39 540i 6 spd-son's
01 E46 325i 5 spd
01 E46 325Xi 5 spd
01 E53 X5 3.0 5 spd
02 E53 X5 4.4 AT
06 E90 330i 6MT
07 E86 Z4 3.0si coupe

Last edited by INDe53; 06-30-2014 at 04:07 AM.
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