Can someone explain this indicator to me. I have a 99' 328i. I checked the coolant level and it was fine yet the light keeps coming on and going out. Is this light telling me that it is time to change the coolant or what. Help if you can :help
I would say its a dodgy sensor, as long as the temp gauge is fine and your getting hot air in the cabin thats what it will be. As for a coolant change I do mine every year around september ready for the winter..
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