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#81
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#82
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Parasitic Battery Drain e53
What did the battery drop to while trying?
A couple people on XO have recently come across a loose connection at the B+ under the hood. The schematic is wrong where it shows the cable is continuous and has a tap to the alternator: it actually is discontinuous and is connected on both sides of the firewall and can get loose. It will give the symptom of a dead battery or starter but with the odd exception of normal resting voltage of 12.4 or so.
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E53 / M54 2001 3.0i gas LHD (pair of them: his & her) |
#83
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values that I gave were at rest without start, if I understood you correctly, is it good to check the fastening of the wires, is there nothing or loose? I am wondering grounding because if I have low values (.05-.07) in sleeping mode which could not be able to discharge the battery so quickly, as I wrote, when the battery is fully charged or I run on cables, the car has no problem with starting but after a few hours something will drain the battery
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#84
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You are saying something will drain the battery but you are also saying the battery has a resetting voltage of 12.4 which is fully charged. Numbers like 13.2 are only right after charging that's not a resting charge.
Your symptoms sound like either a loose connection somewhere can be power or ground side or a defective battery.
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E53 / M54 2001 3.0i gas LHD (pair of them: his & her) |
#85
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Pull the fuse for your Nav system and see what happens.
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