Car appreciation... the aesthetics, the engineering, etc

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Cornish_Bike in reply to @NurseHolliday

I had a E39 M5 many years ago and had this issue. I replaced the final stage resistor 'hedgehog' that controls the fans and fixed the issue. Same as you, battery used to drain in hours, 30mins to fix myself.

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NurseHolliday in reply to @Cornish_Bike

Mine is taking days to drain rather than hours. I'm quite happy changing the hedgehog, but based on what I've read online, I don't think that's the problem, I think it's just a dying battery.

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Brommers in reply to @NurseHolliday

I'm quite happy changing the hedgehog

Gotta be a euph. Gotta be.
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Cornish_Bike in reply to @NurseHolliday

Ahh sorry, thought you said hours.... Mine was draining overnight, it was very sudden. We had gone from London to Cornwall 1 day, woke up the next day and the battery was flat.

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