Coolant from block. Is my E39 dead? - Bimmerfest - BMW Forums



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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 08-27-2018, 02:21 PM
DaveToon DaveToon is offline
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Coolant from block. Is my E39 dead?

So this is not a shot from my car, but it is the closest photo I have found so I can show where the coolant is coming out. I searched but haven't found this issue online... it is hard to see but it looks as though a spot where a pipe was attached to the block just behind where the Thermostat mounts. (The pipe appears to be separated) The car runs like a top but I guess doesn't matter if the coolant pours out! (

Just want to know if it is fixable or time to move on. (2000 528i, 180,000 miles)

Thanks!
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  #2  
Old 08-27-2018, 04:10 PM
Columbo Columbo is offline
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Definitely fixable. Take more photos please. Zoom in. Clean everything around that and lets see where exactly it is coming from. Maybe consider talcum powder around there to detect more clearly where it is coming from.
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Old 08-27-2018, 07:14 PM
DaveToon DaveToon is offline
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Hey Columbo thanks for your reply! the issue is it's really hard to see it's underneath the manifold and behind the oil filter and it definitely seems like a pipe or something broke away from the Block and it's pumping out a bunch of fluid when I look back there it definitely looks like a hole in the aluminum but I'm trying to determine if I should spend the time taking the manifold off. definitely no way with the manifold off to get a good view of it but I will see if I can get a video camera to get some kind of angle to get a better View I'm just wondering if there is a connection there with the pipe or just simply blew out
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Old 08-27-2018, 08:20 PM
effduration effduration is offline
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Yeah those are the two hard plastic heater pipes that are under the intake manifold. They basically deteriorate with age and heat cycles and eventually crumble where they enter the head.

No reason to junk the car if it hasn't overheated. Find a good Indy mechanic to remove intake and replace the pipes or do it yourself.
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Old 08-27-2018, 08:28 PM
DaveToon DaveToon is offline
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hey thanks for the reply! it did overheat so that is concerning though it still fires up just fine but I'm not sure if it warped or not I might just make a project of it and remove the manifold myself otherwise it'll just sit here anyway!
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Old 08-27-2018, 08:54 PM
effduration effduration is offline
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Quote:
Originally Posted by DaveToon View Post
hey thanks for the reply! it did overheat so that is concerning though it still fires up just fine but I'm not sure if it warped or not I might just make a project of it and remove the manifold myself otherwise it'll just sit here anyway!
Yeah these cars don't take an overeat very well. Any more than 60 seconds in the red and you likely have a warped head. You might do a compression test before proceeding any further.

On the flip side the '99 and '00 528i's are as durable as they come. if the rest of the car is in decent shape it would be worth getting it back on the road.
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Old 08-27-2018, 08:59 PM
DaveToon DaveToon is offline
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Thank you! Yea been in the family since new and no accidents and very straight rust free california car. Ive done a ton of work on it including recently changing the driveshaft cv joint so i would hate for all that work go to waste but i also dread doing another huge repair job... ***x1f642;
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Old 09-24-2018, 10:11 AM
DaveToon DaveToon is offline
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Coolant pipes

Thanks all!

It was a monster job but got it apart and replaced the lines and put it back together and so far it seems to work. (Fingers crossed!)
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Old 09-24-2018, 06:41 PM
cn90 cn90 is offline
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I think 1997-1998 is metal.
1999-2003 is plastic, too much plastic in the car these days. This plastic issue only comes up after 100K.
Just curious how many miles in your car when this happens?
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Old 09-24-2018, 08:05 PM
DaveToon DaveToon is offline
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The car has 185,000 so the plastic lasted quite a while! Whats crazy is the starter is under there as well...

QUOTE=cn90;12744501]I think 1997-1998 is metal.
1999-2003 is plastic, too much plastic in the car these days. This plastic issue only comes up after 100K.
Just curious how many miles in your car when this happens?[/QUOTE]
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