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Old 03-03-2010, 08:08 AM   #1
E36is's Avatar
Join Date: Sep 2005
Location: Burlington
Posts: 2,458
OBC temp readout

OBC temp readout is reading 'Temp: -37 C'. no matter the actual ambient outside temp is. Is this a bad sensor or is it the OBC? Every other functions on the OBC seem to be working fine. If its the sensor where is it located? thanks.
'You don't buy all that jewellery and stick it on an ugly person.'
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Old 03-03-2010, 10:14 AM   #2
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Location: Ottawa, ON
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It's the sensor ... probably ripped out. It's a circle plug about 1.5" in diameter in your brake duct (I think the passanger, but can't remember).
2007 BMW 328Xi Touring, 6 speed
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Old 03-03-2010, 12:56 PM   #3
Mad Cow
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Location: Toronto
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Mine does that too, turns out both brake ducts were ripped out, taking the OBC temp sensor and plug with it. Mine was in the driver's side brake duct. There's also another one in the passenger side to turn on the heated washer nozzles if you have them.
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Old 03-03-2010, 01:33 PM   #4
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Location: chatham ontario
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This is very very common on e36s
I have an extra temp sensor if anyone is interested....$20 and i'll ship it to your door
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Old 05-10-2010, 12:15 AM   #5
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Location: Kitchener, Ontario
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So the other sensor in the other brake duct is for heated windshield or headlight washers? and what values is it based on it doesnt look like a temperature probe, more so a induction sensor almost.
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