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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 12-04-2012, 11:14 AM
elcat elcat is offline
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Location: CO
 
Join Date: Aug 2012
Posts: 2
Mein Auto: 330I (2005)
water pump failure

Can hear water pump grinding on cold start up so expect it will have to be changed. This will be the second in under a year and less than 60k miles. car is 2005 330i. questions are why pump failure in the first place, second what are alternatives to OEM replacement. third, does so called "lifetime" coolant contribute to failures?
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  #2  
Old 12-04-2012, 11:21 AM
Toona79 Toona79 is offline
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Location: Columbia, South Carolina
 
Join Date: Apr 2009
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Mein Auto: 2003 325i
http://www.stewartcomponents.net/Mer...y_Code=BMWHPWP

thats the mac daddy of them all but you'll pay up front for it. saves you in the long run if you plan on keeping the car a while though
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03' 325i ZSP ZPP
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  #3  
Old 12-04-2012, 09:28 PM
GoForthFast GoForthFast is offline
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Location: New York
 
Join Date: Jul 2004
Posts: 2,324
Mein Auto: '04 330Ci 6-speed
Maybe you're getting really cheap crap pumps? Chinese would explain your situation.
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  #4  
Old 12-04-2012, 11:59 PM
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bluebee bluebee is offline
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Location: San Jose, California
 
Join Date: Mar 2008
Posts: 20,094
Mein Auto: 02 BMW 525i M54 auto 130K
This is in the E39 bestlinks ... lots of good information ... probably applies to the E46 M54 also:
- What brand of waterpump to buy (1)
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Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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