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      03-14-2022, 01:49 PM   #1
romnation
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Drives: 135i
Join Date: Jul 2016
Location: Chicago

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2009 135i at 64K miles with original water pump - When can I expect it to die?

I am 90% sure it is original at least. I am not the original owner, but the records I have don't mention anything about it ever being replaced.

Is the water pump dying usually more time-based or mileage based? The majority of my driving is inner city urban mileage so I don't rack up a lot of mileage each year. I really don't want to spend the money to pre-emptively replace it though, it is not cheap, but I do wonder how screwed I would be if it died on a long trip...
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