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X3 E83 (2004 - 2010)
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  #1  
Old 12-07-2012, 08:51 AM
cagui1223's Avatar
cagui1223 cagui1223 is offline
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Mein Auto: 2007 BMW X3 3.0si [e83]
2007 X3 Water Pump Inquiry

Hello everyone,
I recently changed the thermostat on my X3 due to code P0597 - Thermostat Heater Control Circuit Open. So far everything is fine, I was just wondering when I should change the waterpump.

The vehicle is 2007 X3 3.0si.
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  #2  
Old 12-07-2012, 09:14 AM
usaret usaret is offline
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Quote:
Originally Posted by cagui1223 View Post
Hello everyone,
I recently changed the thermostat on my X3 due to code P0597 - Thermostat Heater Control Circuit Open. So far everything is fine, I was just wondering when I should change the waterpump.

The vehicle is 2007 X3 3.0si.
That is an excellent question that I tried to answer myself by rooting around on the e90 forum. I'm not seeing any trends to them failing at all. I'm currently at 101,800 and mine is running just fine. They are lubed and cooled by engine coolant so they may go a long time without failure. I hope..... because they are pricey. I can't tell if they have brushes in them which is what usually gets fuel pumps.
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  #3  
Old 12-07-2012, 09:30 AM
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cagui1223 cagui1223 is offline
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Mein Auto: 2007 BMW X3 3.0si [e83]
Quote:
Originally Posted by usaret View Post
That is an excellent question that I tried to answer myself by rooting around on the e90 forum. I'm not seeing any trends to them failing at all. I'm currently at 101,800 and mine is running just fine. They are lubed and cooled by engine coolant so they may go a long time without failure. I hope..... because they are pricey. I can't tell if they have brushes in them which is what usually gets fuel pumps.
Thanks for the prompt response. My car is at about 89,000 miles. I guess I can always just wait for the SEL to light up... And it is a pricey piece thats located in a really tight spot underneath the engine.
Either way I won't be working on this soon due to the winter in CT.
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  #4  
Old 12-08-2012, 08:06 AM
usaret usaret is offline
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I did some research and as I suspected they're brushless so they should last a very long time. I hope so anyway.
Attached Files
File Type: pdf pb04_elec_coolant_pump.pdf (261.0 KB, 346 views)
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  #5  
Old 12-08-2012, 10:09 AM
usaret usaret is offline
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Another interesting tidbit I dug up.

http://tecomotive.com/en/tinycwa-en
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  #6  
Old 12-08-2012, 12:46 PM
x3brian x3brian is offline
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This is good news! Excellent information.
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