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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 06-09-2011, 12:27 AM
niitsumi niitsumi is offline
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Radiator leak! New Radiator or Repair?

Just wondering if anyone know if it is possible to repair this. If not i guess i'm going to be buying a new radiator.

The spout where the hose connects has broken. I was thinking that i can just use whats left on it to put the hose back on but there isn't enough to do so.

Thanks for your help.


Here are a few pictures of the damage.
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  #2  
Old 06-09-2011, 05:00 AM
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GSA1 GSA1 is offline
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sorry to say theres no fixing that. and the rest of the plastic is brittle from age now anyway.

you will need to do a complete cooling overhaul to stay safe from overheating. 5 mins of overheating cracks the head. most people say its time to do a system replace at anything over 95k miles. gl
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  #3  
Old 06-09-2011, 05:18 AM
Jimmys 530i Jimmys 530i is offline
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Just call 1-800-radiator. I bought my Nissens radiator from them for $120.
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  #4  
Old 06-09-2011, 06:07 AM
cn90 cn90 is offline
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Quote:
Originally Posted by niitsumi View Post
...The spout where the hose connects has broken. I was thinking that i can just use whats left on it to put the hose back on but there isn't enough to do so.
LOL,

How many miles in your car, must be over 130K? You are late to the radiator parade... There are hundreds of victims before you.

Anyway, the cooling system in any car protects something much more expensive: the engine which costs $4000-5000 etc.
One overheat event, you may warp the cyl head or blow head gasket.

Don't drive the car. Do a cooling overhaul from a to z.

Below is a DIY I wrote back in May 2006, everything is still valid in that DIY except the Fan Blade. I cheaped out and bought "MTC" brand, it broke after a year, so I switched to BMW dealer Fan Blade now.
Also the WP pulley, if you have more than 140K, change it.

Parts can be bought here:

http://www.eaceuroparts.com


DIY 1998 Cooling Overhaul:

http://www.bimmerboard.com/forums/posts/199986

PS: Unless you are very short of budget, this is not the time to be cheap.
If tight on budget, change only the rad, then save enough money for the overhaul.
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  #5  
Old 06-09-2011, 07:01 AM
oembimmerparts oembimmerparts is offline
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Quote:
Originally Posted by niitsumi View Post
Just wondering if anyone know if it is possible to repair this. If not i guess i'm going to be buying a new radiator.

The spout where the hose connects has broken. I was thinking that i can just use whats left on it to put the hose back on but there isn't enough to do so.

Thanks for your help.


Here are a few pictures of the damage.
Sorry but there is nothing to save there, Its time for a new rad.
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  #6  
Old 06-09-2011, 07:08 AM
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TemporarySanity TemporarySanity is offline
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Nothing else to see. Move along.
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  #7  
Old 06-09-2011, 07:42 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by niitsumi View Post
The spout where the hose connects has broken
I'm going to add your picture to the thread showing where the cooling system fails:
- Pictorial look at typical E39 cooling system failure modes (1)

Your failure is one of the most common - but every part of the cooling system is a time bomb.
- Complete cooling system overhaul recommended parts list (1)

If you do not replace the ENTIRE cooling system, then you risk severe engine damage:
- What happens if you drive one mile too far with an overheated BMW cooling system (1)

(thousands have preceded you - much to their chagrin).



Last edited by bluebee; 06-09-2011 at 11:15 PM.
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  #8  
Old 06-09-2011, 08:14 AM
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bmw_n00b13 bmw_n00b13 is offline
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https://www.bimmerfest.com/wiki/inde...Cooling_System
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  #9  
Old 06-09-2011, 10:14 AM
SeanPhang SeanPhang is offline
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speaking with 1-month old cooling system: do the cooling overhaul!
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  #10  
Old 06-09-2011, 04:38 PM
niitsumi niitsumi is offline
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Ok, thanks a lot for your help! i'll be sure to do the overhaul. Would a chiltons book be very useful for this repair?
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  #11  
Old 06-09-2011, 05:13 PM
Joe@Bavarian Joe@Bavarian is offline
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Always go NEW when it comes to cooling system. Also search the forums for "coolant bleeding". you will want all the tips and tricks before you start the job.
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  #12  
Old 06-09-2011, 06:11 PM
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GSA1 GSA1 is offline
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Quote:
Originally Posted by niitsumi View Post
Ok, thanks a lot for your help! i'll be sure to do the overhaul. Would a chiltons book be very useful for this repair?
CN90-'s DIY is better the a Chiltons. Alternatively, we would recommend the BENTLEY MANUAL.=
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  #13  
Old 06-09-2011, 06:19 PM
ztitans1 ztitans1 is offline
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Quote:
Originally Posted by niitsumi View Post
Ok, thanks a lot for your help! i'll be sure to do the overhaul. Would a chiltons book be very useful for this repair?
I have never been able to find a manual for my 5 series, but I find all the information on the web. This site has many DIY's listed with great photos. It is an excellent source of information.
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  #14  
Old 06-09-2011, 06:54 PM
dvsgene dvsgene is offline
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Quote:
Originally Posted by ztitans1 View Post
I have never been able to find a manual for my 5 series

If you're looking for a Chilton E39, there is none. This is the standard one:

http://www.amazon.com/BMW-E39-Servic.../dp/083760317X
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  #15  
Old 06-09-2011, 07:29 PM
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540 M-Sport 540 M-Sport is offline
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Check motor and transmission mounts. Excessive engine movement can cause that sort of failure. Don't bother repairing, just get a new one.
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  #16  
Old 06-09-2011, 07:40 PM
BMW318i_E36 BMW318i_E36 is offline
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Love the A/C in a E39 !!!!!!!!!!

Last edited by BMW318i_E36; 06-09-2011 at 07:42 PM.
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  #17  
Old 06-09-2011, 08:09 PM
bimmerteck bimmerteck is offline
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Quote:
Originally Posted by ztitans1 View Post
I have never been able to find a manual for my 5 series, but I find all the information on the web. This site has many DIY's listed with great photos. It is an excellent source of information.
Below find linked. . . the one, the only, e39 Bently manual! Weighing in at a healthy 11.2 pounds it is a brief yet technical glimpse into the construction, operation, repair, and maintenance of the e39 chassis BMW. Within it's 2132 pages( handily broken into 2 volumes for easier transport and stowage) you find topics ranging from the basic oil change to camshaft timing chain setup and adjustment. Ok that's about all I got, it's the best published e39 service manual to date cough up some dough and buy it below.


URL="http://www.amazon.com/BMW-E39-Service-Manual-1997-2002/dp/083760317X"]http://www.amazon.com/BMW-E39-Service-Manual-1997-2002/dp/083760317X[/URL]
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  #18  
Old 06-09-2011, 11:19 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by dvsgene View Post
If you're looking for a Chilton E39, there is none
I have the paper Bentley ...
- Bentley Publishers - Repair Manual for the E39 5 Series 1997 - 2003 On sale in Feb!

(which mostly stinks):
- Are the Bentleys nearly as useless to you as they are for me?

... but I'm curious.

Why isn't there a Chilton or Peterson or BMW factory manual for the E39?

Any idea?
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  #19  
Old 06-10-2011, 09:37 AM
bimmerteck bimmerteck is offline
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Quote:
Originally Posted by bluebee View Post
I have the paper Bentley ...
- Bentley Publishers - Repair Manual for the E39 5 Series 1997 - 2003 On sale in Feb!

(which mostly stinks):
- Are the Bentleys nearly as useless to you as they are for me?

... but I'm curious.

Why isn't there a Chilton or Peterson or BMW factory manual for the E39?

Any idea?

B/C the guys at Bently are the only ones who are willing to fool with the ridiculous nature of the the German automakers to not properly take notes and document what the heck it is that they build. Bently's are based on the information they can glean from BMW and what the writers can come up with. If you knew how many times I've opened a Factory Porsche workshop manual(hundreds of pages longer than the comparable BMW manuals) found the wiring diagram that's exactly what I'm looking for only to find that all the wire colors are labled NCA(no color assigned) which means the wires can be whatever "Hans" grabbed off the shelf that day back in 1982! Welcome to the daily life of a tech working on German cars, o some jobs your just better off to wing it.
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  #20  
Old 06-10-2011, 04:19 PM
caballero caballero is offline
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save your self a lot of headaches buy as new one
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  #21  
Old 06-10-2011, 09:49 PM
ztitans1 ztitans1 is offline
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Trying to save money which is why I research the repairs online and do it myself. $170 is a little steep to me right now. Money is tight.
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  #22  
Old 06-10-2011, 11:29 PM
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bluebee bluebee is offline
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Quote:
Originally Posted by ztitans1 View Post
$170 is a little steep to me right now. Money is tight.
Well, I wouldn't recommend it, but ... for zero cost, if you read the thread I pointed you to, there 'are' people who have used JB Weld successfully on BMW plastic radiators - and - there is even a reference to a guy who glued in a steel section of pipe exactly where yours is broken.

If money is not 'that' tight, for the cost of a new radiator, you could 'just' replace the radiator (bearing in mind something else will blow on the cooling system in a few thousand miles so you'll have to tear it all down again).

The real problem is that every component is weak and replacing each requires (essentially) the same tear down ... which will take you at least four hours (sometimes more, sometimes less) - so - that's why most people do the whole cooling system and belt drive system en masse.

Check out the JB Weld threads - but - do bear in mind, the risk is to your engine. If you want to read some cooling system sob stories that ruined the engine, see any of these ...
- Real-world results from people faced with a cooling-system-induced blown engine (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25) (26) (27)
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