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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-16-2013, 06:35 PM
BlackMax540 BlackMax540 is offline
I am a rookie again
Location: Myrtle Beach, SC
 
Join Date: Dec 2012
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Mein Auto: 1999 BMW 540i
Cooling System Advice Needed for 99' 540iA!!!

I have a 1999 540iA and have been trying to figure out what manufacturer makes the best and most reliable water pumps? Also which impeller is better to have, metal or composite? What is the opinions on Zionsville Radiators? Any advice will be greatly appreciated..I am getting prepared to put a newer engine and transmission in my 540i and just want to have the best and most reliable parts i can use.

Thanks everyone,

Alex
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  #2  
Old 01-16-2013, 07:03 PM
AlexandruE39 AlexandruE39 is offline
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Location: Atlanta GA
 
Join Date: Nov 2012
Posts: 37
Mein Auto: 97 E39 540i 6Speed
Hey Alex,
I've researched the all aluminum radiator and its a must for a better cooling system in the 540i. I don't have it on mines yet but will do the conversion once I get the money together. There is a guy on YouTube that shows how he did it on his 530 I believe and u can see his electric fan setup too on his channel. Il post it once I find it. If I were u go with a manual trans if I can get ur hands on one but if u prefer auto that's cool too. I just think the manual trany is more reliable.
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Old 01-16-2013, 07:06 PM
AlexandruE39 AlexandruE39 is offline
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Mein Auto: 97 E39 540i 6Speed


I hope the link works, from here u can see all the mods he has done to it on his channel
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  #4  
Old 01-16-2013, 07:17 PM
BlackMax540 BlackMax540 is offline
I am a rookie again
Location: Myrtle Beach, SC
 
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Mein Auto: 1999 BMW 540i
Thanks for the info and the video was good. Now i just need to figure out the water pump questions

Sent from my DROID RAZR using Bimmer App
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  #5  
Old 01-17-2013, 03:31 AM
BlackMax540 BlackMax540 is offline
I am a rookie again
Location: Myrtle Beach, SC
 
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Mein Auto: 1999 BMW 540i
What would be the best water pump and thermostat to get and should it have a metal or composite impeller?

Sent from my DROID RAZR using Bimmer App
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  #6  
Old 01-17-2013, 06:29 AM
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Fudman Fudman is offline
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Location: Sudbury, MA
 
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Mein Auto: '02 530i Sport auto
Go with metal impeller. Some composite impellers have been known to fracture. Graf is OK. Stewart makes the best (& most expensive) WP but I think it is only available for the I6. Search. Stay with the OEM (Behr) thermostat.
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Old 01-17-2013, 07:55 AM
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bluebee bluebee is offline
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Location: San Jose, California
 
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Quote:
Originally Posted by BlackMax540 View Post
I have a 1999 540iA and have been trying to figure out what manufacturer makes the best and most reliable water pumps
Since the question has been asked umpteen times before, many members are jaded, so you will not get the full response you would have liked.

However, you can start with the existing response and improve it from there, and, BTW, your payforward is for you to snap pictures of the old and new waterpump you decide upon and add value.

Typing /waterpump in the bestlinks nets this, which I'd recommend, for starters:
- What is the best brand of waterpump to buy for the bimmer (1)
__________________
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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