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#41
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#42
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FOR THE RECORD Sometimes they screw up the battery when they are making it. In my life, 65 years, I have managed to buy two or three batteries that were defective. The point here is to not point crooked fingers at the car until you know that the battery is not the problem. |
#43
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#44
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Good point about the battery but it's already been proven that the quiescent drain is too high and that isn't caused by a fault battery. It's also very easy to eliminate the audio systems (and it's free!).
There's a ton of videos etc. on how to remove the MID and CD player from the dash - just google it - but basically you remove the MID volume know (straight pull) then using a T9 (I think) torx driver, gently turn the MID retainer screw in the small hole below the volume know shaft (you can this hole see once you remove the knob) a 1/4 turn anti-clockwise. This will allow the MID to be pulled from the left side out of the dash and you can then remove it's connector. The CD player (which includes the radio and the power amplifier) has a couple of torx retaining screws visible once the MID is removed and then just pulls straight out. You can then remove it's connectors too. The CD stacker in the trunk (if you have one) has a cable connector on the rear I think. Removing these units and then testing the quiescent current (once the car is asleep) should help you eliminate the source of the drain.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#45
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#46
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Yes - Fuse 75 - and pulling it removes the drain. But now HotWheelsRedline needs to track down which one (or more) of the several devices that Fuse 75 feeds is causing the drain.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#47
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I bought a device that plugs in place of the fuse and shows the current real time. You would have to leave the window open to see after the car goes into sleep mode
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#48
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Thanks "wpoll" -- of course, I've previously taken the radio/MID out of the dash, and it is simple. As soon as I have time, I'll give this a shot and see if the culprit shows its face! No player in the trunk, so I guess that narrows it to either the Business CD Player or the Radio/MID.
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#49
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Eureka! For those of you following this thread, I've pinpointed the culprit of my parasitic battery drain -- the Radio/MID.
With Fuse 75 re-installed -- when I disconnected the Radio/MID with the car asleep, the reading dropped from .14 amp to .02 amp. Needless to say, I'm going to have a conversation with the two shops that couldn't locate the problem, especially the one that was 90% sure it was the Instrument Cluster. Fortunately, I only spent $115 on their diagnostic and didn't go any further. Thanks to all who chimed-in with ideas and advice! |
#50
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Wonder what broke in the radio to make it "stay on".
Sent from my iPhone using Tapatalk Pro
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
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