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  #1  
Old 12-29-2016, 06:47 AM
vkl168 vkl168 is offline
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Location: NJ
 
Join Date: Dec 2005
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Mein Auto: BMW 535 xi
DIY - F10 N55 water pump

BavAuto has a two part video here on changing the N series water pump.

http://blog.bavauto.com/14581/


I finally got a chance to do mine this week and like to share some feedback. The video is pretty straightforward. However, on my 2012 535, the setup is a little different.

I purchased the water pump, bolts, thermostat and inlet and outlet hose. What I learned is that you don't have to do the thermostat and water pump at the same time. On the 535, the thermostat can be accessed from the top. It is not attached to the water pump.

With that said, if you just want to change the water pump only, the process is very similar to the video and quite easy. It's changing the thermostat that took the most time for me. It is a very tight fit to get it out and put back in.
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  #2  
Old 05-20-2017, 12:21 PM
HizEternal HizEternal is offline
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Location: Washington, D.C.
 
Join Date: Jan 2016
Posts: 94
Mein Auto: 535i Xdrive F10
Thanks! I have the 2011 535i xdrive and the radiator fan turns on and off but the car doesnt overheat. I figure I might have to do the waterpump and tstat soon.


Quick question I see you said you got certain hoses, were those all the hoses needed to be replaced?
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Old 05-23-2017, 01:07 PM
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samadkins29 samadkins29 is offline
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Location: Seattle, WA
 
Join Date: Apr 2010
Posts: 2,279
Mein Auto: 2011 535i
The hose in question is the one that runs from the pump to the tstat. I am doing my water pump and tstat tomorrow, but will not be replacing that hose. With a DIY write up to follow the next day. I usually post in the F10 section though.
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Old 07-07-2017, 06:47 PM
dewana421 dewana421 is offline
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Location: west palm beach
 
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Mein Auto: 2012 535i
at what point we need to change the waterpump and thermostat? i have a 2012 535i with 70k. i bought it used at around 50k but no idea if it was ever changed. everything is good with the car but not sure if i should mess with it?
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Old 07-07-2017, 06:51 PM
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samadkins29 samadkins29 is offline
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Replace when it breaks. Its a pain in the ass to DIY and rather expensive to do through a shop. Replace both the tstat and water at the same time. A coolant change is part of this process as well.
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