Quote:
Originally Posted by ashmostro
Interesting... A local well regarded dealer cited the coolant contamination mechanism as the root cause of a water pump failure recently on a colleague's e92
Tell me more please
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If memory serves about 10 or more members here have opened up their old pumps. None found that the pump failed due to coolant contamination. They did find that the control electronics failed, as I did. When I scanned my car with my BT scan tool upon replacing the pump (you are suuposed to clear the failure codes first). On my car code 2E82 read: "Electrical Cooling Pump: Switch Off" 149,521 miles - water pump temperature electronics 77 deg C (170 F).