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      01-22-2023, 05:21 AM   #23
Helmsman
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Drives: 2011 AW E90 M3 ZCP
Join Date: Mar 2014
Location: Stockholm, Sweden

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Quote:
Originally Posted by Redd View Post
Yes that is also one of the options I considered. But I'm a bit OCD and don't like to see a persistent code. I ordered a low mileage used one off ebay for cheap so let's see how that works out.

I've also been thinking about bypassing the coolant hoses when I replace the pump. Since we know heat causes these pumps to fail, if I bypass it and do a heatshield around the pump itself, maybe I can get the replacement unit to last forever. Any thoughts on that idea?
Water getting into the engine due to the axle sealing giving up seems to be the typical root cause for the pump failure (there's a few good vids on YT). Not sure if its the heat or simply time that does it?
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