i just replaced my thermostatic and radiator and my car started over heating again after about a month or so after I filled my raidator cause it was low
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1993 BMW 325i
Answer #1DaveJHM March 08, 2011, 21:14Master
It's possible you may have had an air pocket in your cooling system. Hopefully, the overheating is an isolated incident. Fill the coolant and run the vehicle - see if the problem reoccurs.
Answer #2overbys from Overbys Inc, March 09, 2011, 05:09Master
early BMW's had a plastic water pump impeller. it may be
worth it just to pull the water pump to make sure that your pump has the metal impeller.