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      01-03-2013, 11:34 PM   #53
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Drives: 2007 328i coupe
Join Date: Dec 2012
Location: usa

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Originally Posted by pruettfan View Post
I would not replace a water pump until it fails for several reasons. One is that I have replaced a failed water pump with a brand new one and had that pump fail shortly afterwards. You could end up replacing a perfectly good part with one that is less reliable. Water pumps are not a maintaince item any more that a radiator, cylinder head, power steering pump etc, all of those components can fail but you normally would not replace them until they failed.
I agree, back in the olden days a failed water pump was more of a disaster than now with reduced power, limp home, codes giving you early warning.

I do replace other parts if I'm in doing something related like a water pump and stat & housing or pads and a brake flush or radiator and hoses.