Here are the reasons behind its failing and the symptoms associated with a bad electric water pump.
Bmw electric water pump rebuild.
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However it also malfunctions usually.
The electric water pump of bmw is unique from the contemporary water pumps used in other cars.
Symptoms were overheating and damaged drive belt system.
Disassembly of the front cover and removal of the water pump allowed for inspection of the pump.
Gone are the days of a engine belt driven water pump on late model bmw s.
The bmw engines inline 6 cylinder n51 n52 n54 n55 are equipped with electric water pump.
This allows the dme to fully control and modulate the coolant flow through the engine without dependency on rpm.
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