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91 318i doesn't overheat anymore (archive)
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Posted by Carleton on June 03, 2001 at 09:16:58:

In Reply to: Text for 91 318is Overheating posted by Mitch on June 03, 2001 at 00:16:02:

I replaced the waterpump and mine still overheated. Then I replaced the thermostat and radiator and it still overheated. Finally, I replaced the waterpump with one that worked and my problem was cured. BMW took the faulty pump back without too much trouble.


Approx 20K on coolant sytem. Having to add water to resevoir about once a week. Temp gauge on dash shows running slightly warmer than it should, If idling too long, approaches overheat. Cools down again by increasing idle. Pressure check of system shows no leaks and doesn't seem to be head gasket. Suspect water pump? Also, what is correct thermostat for this model: 80C, 88C, or 92C or... Anyone know of a defect with the coolant system in this model? Thanks.




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