Symptoms were overheating and damaged drive belt system.
Bmw electric water pump test.
Hi i have bmw x5 3 0 2007 i changed my electric water pump and thermostat as well at my garage everything was done when we did the scanner for the car after the repair the water pump speed is 150 1 minute is that normal or what.
Disassembly of the front cover and removal of the water pump allowed for inspection of the pump.
Followup from the pelican staff.
April 8 2017.
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How the mode of failure with this pump appears to be simple age and miles likely exasperated by a lack of coolant changes.