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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > A future popular replacement item? The coolant pump

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      07-18-2009, 08:29 AM   #1
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A future popular replacement item? The coolant pump

... now electrical.

I have seen 2 cases of failure so far.

I noticed on realoem that in the N52 it has a different part number in 2008 (11517563183 vs 11517586925). Anybody knows the reason? Redesign?

Or maybe it is just a different supplier.
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      07-18-2009, 02:47 PM   #2
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Was there a common failure mode?
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      07-19-2009, 01:54 AM   #3
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As far as I am aware there has been an improvement as the pump and thermostar failed giving an error that isn't displayed on the dash but picked up by the fan continuallly on.
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      07-19-2009, 06:16 PM   #4
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yea ive replaced a few coolant pumps...
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      07-20-2009, 11:30 AM   #5
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i might have been the very first victim of elec water pump failure reported on this site back in 2006 (i believed). I have been riding around with a refurbished water pump ever since.
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