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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 05-15-2012, 12:20 PM
YinD YinD is offline
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Location: Denton Texas
 
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Mein Auto: 2003 540iA M-Sport
Intensive Washer pump leak

I have a 2003 540iA M-sport with 131,400 miles.

funny story... I had a message telling me that the washer fluid was low. So last night, yes in the dark, I went out for a simple 'add fluid' to the washer reservoir.

I filled up the tank and closed the lid. But did a second take because I dripped some fluid into the engine bay. But wait.... that wasn't me spilling... that was the pump leaking!

or was it the pump... so I played with it... Only to phyically experience the loose grommet at the base of the pump!

So I determined it was the pump (and from reading the forum the grommet needs to be replaced) and put it back. Only to be further challenged because the hose coming off of the pump snaped in half.

So now the intensive water reservoir is really leaking... So being quick witted, I grab some wire snips and start cutting the old hose off of the nipple. Push the old hose, whats left of it, back on the nipple as an interim fix.

But I can't, because the hose is so brittle, that it just crumbles in my hand.

What started out as a simple 'add fluid to this tank' turned out to be a domino effect of broken parts.

I have some questions... Realoem shows a 67-12-8-362-154 for the pump... but pelican parts has -612 as the replacement pump. Pelican shows 154 for 318i. Which one is correct?

Second question.... Can I replace the hose with an off the shelf washer hose? That OE hose is so brittle, I hesitate to put money in those replacement parts. Does anyone have experience with other hose? does anyone know what size hose to use?
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  #2  
Old 05-15-2012, 12:32 PM
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BentValve BentValve is offline
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Mein Auto: 00 528i 3 pedals
I find that if I fill it up to the top, it will spill until the neck has emptied but it will not spill all the fluid out. And in my opinion, it shouldnt matter what kind of hose you get since its just washer fluid.
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Old 05-15-2012, 12:45 PM
YinD YinD is offline
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Mein Auto: 2003 540iA M-Sport
I kind of had the same suspicion. just use off the shelf hose.

It is so strange that BMW would select such a short lifespan material. I wonder what the design intent was? Is it lighter than rubber hose? Or is it smoother with less friction? There has to be some good reason why they wouldn't use the more reliable hose...
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Old 05-15-2012, 12:50 PM
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AnotherGeezer AnotherGeezer is offline
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Mein Auto: 2003 530i/5
Quote:
Originally Posted by YinD View Post
I kind of had the same suspicion. just use off the shelf hose.

It is so strange that BMW would select such a short lifespan material. I wonder what the design intent was? Is it lighter than rubber hose? Or is it smoother with less friction? There has to be some good reason why they wouldn't use the more reliable hose...
Because cheap.
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  #5  
Old 05-15-2012, 01:27 PM
YinD YinD is offline
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Location: Denton Texas
 
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Mein Auto: 2003 540iA M-Sport
I found this DIY... going to go shop for some hose now...

http://www.bimmerfest.com/forums/sho...d.php?t=594835

This is a great forum! I look forward to sharing and helping others!
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