Quote:
Originally Posted by asianstutter
I bought a 2006 330xi e90 USED at 107,000KM (60,000 miles). Can the dealer find out if my waterpump has been changed by the previous owner?
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The dealer should be able to tell you all service that has been performed by BMW dealerships. Not for work done by the owner or independent shops, unless they put the service in the little maintenance book that comes with the car.
Quote:
Originally Posted by Efthreeoh
Coolant flushes will not affect the longevity of the pump. The pump control electonics fail due to heat loading.
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Good to know. Will an inefficient cooling system or "old" coolant result in more heat load on the pump electronics? Or does the heat originate externally from the engine block/exhaust and not from the coolant fluid?