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Old 11-15-2008, 10:02 AM   #19
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TitaniumCranium's Avatar
Join Date: Apr 2005
Location: Seattle / Sequim
Posts: 3,427
My Ride: 2002 BMW 330Ci
There are two places I would look. My guess is that this is a poor electrical connection to either the heating element connected to the thermostat that opens and closes the thermostat - based on input from sensors - or it is the the temperature sensor itself located on the lower left radiator hose (mentioned once before).

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