Quote:
Originally Posted by Kothar
What would cause a water pump to fail on m2 n55 with 17k miles never tracked city and highway driving in winter???
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It was most likely the electronics in the pump failed early...the N55 utilises a electric water pump and with electronics they are a bit unpredictable sometimes. Water pump early failure also plagued the N54 engine as well.
The M2C/3/4/ S55 engine uses a mechanical belt driven water pump so you don't see them failing early