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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 12-18-2010, 11:36 AM
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yadayadayada yadayadayada is offline
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Engine is apart

Well the car did have a head gasket leak and so the car had to come apart to replace the head gaskets.My friend Tim at Wilmington Motor Works in Wilmington N.C. said he would help me out so the car got flat bedded to his shop.I rode down with the flat bed to the shop and got the car safely off loaded at Tim's and just to add insult to injury the car would not start , dead battery.
Anyway that was back on the first of the month.I left the car with Tim with no time frame in mind as I know he will fit my car in between the normal work.
I called yesterday to actually check to see if the OEM car jack I had ordered from Ken Baker's in Myrtle Beach,N.C. had arrived.It had and then Tim got on the line and started to explain the heads are off the internals look great EXCEPT the one of the two bolts holding the timing chain guide in place was missing and the other bolt was loose.WTF!!!
So I am really glad that at 16.5 pounds of boost the head gasket went as if we had not opened the motor up it would have sooner than later self destructed.
Of course now the pan will be dropped,to find the bolt and check the other parts completely...

I was very lucky.....
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  #2  
Old 12-18-2010, 11:54 AM
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wow you were lucky.
hopefully the bolt is replaced with locite or something to prevent another disaster.
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  #3  
Old 12-18-2010, 02:28 PM
edjack edjack is offline
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You have to expect this kind of stuff if you want to extract big power out of the engine.
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  #4  
Old 12-18-2010, 03:19 PM
mrpumpk1n mrpumpk1n is offline
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you are probably the only person in e39 history that is happy getting a blown head gasket. also, you are probably the only case where having a blown head gasket was a good thing. hope everything works out. isn't this how the chain guides disintegrate (sorry if i butchered that word) or is this a separate and unexpected issue with the e39?
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  #5  
Old 12-18-2010, 06:55 PM
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yadayadayada yadayadayada is offline
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Quote:
Originally Posted by edjack View Post
You have to expect this kind of stuff if you want to extract big power out of the engine.
The head gasket that was a possible weak link.I personally think the engine was not broken in correctly as far as after the first heat cycle torquing the heads again.The damn bolts coming out of the timing chain guide was just once again slack work.That is why god invented loctite.You better believe it will not come apart again.
But yes when you start being the DumbA$$ I have been in search of big power from a motor that was never designed to do such things can go wrong.
I do intend on backing the boost back a tad.I figure the difference between 627 or 600 WHP and 530 foot pounds of torque or 561 foot pounds of torque is not worth losing another head gasket again.Although I am real glad I lost this one.....
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  #6  
Old 12-18-2010, 07:04 PM
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Quote:
Originally Posted by mrpumpk1n View Post
you are probably the only person in e39 history that is happy getting a blown head gasket. also, you are probably the only case where having a blown head gasket was a good thing. hope everything works out. isn't this how the chain guides disintegrate (sorry if i butchered that word) or is this a separate and unexpected issue with the e39?
No this, my situation with bolts coming loose ,was just slackness on the builder,should have used LOCTITE.
The guides are plastic and that is the weak link because of them being plastic.
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  #7  
Old 12-18-2010, 07:27 PM
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ForcedFirebird ForcedFirebird is offline
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Well think of a HG as a fuse-able link in a boosted motor lol.

Gotta love PSIG
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  #8  
Old 12-18-2010, 08:24 PM
franka franka is offline
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Yadadada, I assume its an OEM head gasket, yes? And not a steel gasket?
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  #9  
Old 12-18-2010, 08:28 PM
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Yadadada, I assume its an OEM head gasket, yes? And not a steel gasket?

Correct me if I am wrong, but the OEM gasket is steel.
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  #10  
Old 12-18-2010, 10:10 PM
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tedm tedm is offline
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I didn't know you were in Wilmywood. I entered UNCW in '87 and ended up staying in town until '07. Let me know when things are fixed... I'd love to take a ride in that beast.
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  #11  
Old 12-19-2010, 02:31 AM
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Correct me if I am wrong, but the OEM gasket is steel.
You are correct.
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  #12  
Old 12-19-2010, 02:31 AM
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I didn't know you were in Wilmywood. I entered UNCW in '87 and ended up staying in town until '07. Let me know when things are fixed... I'd love to take a ride in that beast.
I live in the Beaufort Area...
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  #13  
Old 12-19-2010, 08:46 AM
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Are they going to drop the oil pan to extract the bolts & identify any further missing or damaged parts?

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  #14  
Old 12-19-2010, 08:54 AM
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Are they going to drop the oil pan to extract the bolts & identify any further missing or damaged parts?

Yes , the whole front on the motor will be exposed ( Timing covers off ) and the pan will be dropped to inspect the oil pump , the crank journals and find the missing bolt.

Then it will all be put back in a proper fashion.
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  #15  
Old 12-22-2010, 04:24 PM
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Heads are ok

I just talked to the machine shop, my heads are A-OK...Small favors are appreciated at this point...
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  #16  
Old 12-22-2010, 09:05 PM
cn90 cn90 is offline
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Originally Posted by yadayadayada View Post
...my heads are A-OK...
It is always a good thing your head (I mean your own head) is working....
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  #17  
Old 12-23-2010, 07:12 AM
JasonSC540ia JasonSC540ia is offline
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Yada

Cheer up, your not alone. We have a couple million dollars worth of parts out of the cockpit of an F-16 right now...looking for a missing bolt!
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  #18  
Old 12-23-2010, 07:22 AM
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Good job taking care of her. One more roadworthy e39 in the dwindling fleet.
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  #19  
Old 12-23-2010, 07:47 AM
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Quote:
Originally Posted by yadayadayada View Post
I live in the Beaufort Area...
Hoi-toider? I dated a girl from Marshallburg in high school. Ha! Beaufort's even closer to me... I'm in New Bern.
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  #20  
Old 12-23-2010, 02:16 PM
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Originally Posted by JasonSC540ia View Post
Yada

Cheer up, your not alone. We have a couple million dollars worth of parts out of the cockpit of an F-16 right now...looking for a missing bolt!
They will find the bolt I am sure as the oil pan is dropped next week.
A missing bolt on an aircraft is a little more discerning.....
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  #21  
Old 12-24-2010, 02:38 PM
franka franka is offline
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Phuzion

Here is the solution to blown out, multi layer, steel, head gaskets... the Phuzion.

http://www.cometic.com/phuzion.aspx
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  #22  
Old 12-24-2010, 02:45 PM
franka franka is offline
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http://www.helicoflex.com/product_te...flex_specs.pdf
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  #23  
Old 12-31-2010, 05:56 AM
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Originally Posted by bluebee View Post
Are they going to drop the oil pan to extract the bolts & identify any further missing or damaged parts?

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Old 12-31-2010, 08:49 AM
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POof540i POof540i is offline
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Originally Posted by yadayadayada View Post
Bingo! Any pics of the engine in its current state?
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  #25  
Old 12-31-2010, 11:57 AM
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Bingo! Any pics of the engine in its current state?
I do not know I will ask to have some taken....
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