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5-SeriesGeneral discussion and technical help for 5-series BMWs.
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Your Ride: 1997 528i
Coolant gauge temperature
My problem is when the outdoor temperature is above 60 F the coolant temperature gauge holds dead center. When it's below 50 F the gauge drops to the cold blue bar---strange. I'm not sure if its the thermostat or temperature switch. Anyone ever have the same problem?