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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
10-09-2012, 08:39 AM
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PLEASE HELP ! change exhaust manifold header
The rear exhaust manifold header broke off from the flange . Is it easy to change ? Do I go in from top or bottom ? What all do I need....manifold gasket, header and flange gasket ??? Anybody have a diy for this ? This is my only vehicle and I need to be sure I can do this before taking anything apart. I REALLY need your help again guys. Thanks !
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#2
10-09-2012, 08:41 AM
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Sorry guys...its a 97 528i. 217K.
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#3
10-09-2012, 03:24 PM
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Anyone.....anyone.....Beuhler....Beuhler....
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#4
10-10-2012, 08:10 PM
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Ok...thats fine, if nobody wants to help because of some lesson on how to look up info for myself or because you don't approve of the way I have my car set up....whatever. If somebody could just PLEASE givee advice on how to get these old, rusty,.probably welded on nuts off the studs that hold the manifold to the head so I dont snap them off I will never ask another question again.
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#5
10-11-2012, 07:51 AM
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Penetrating oil and if that doesn't work add heat. I would like to see what broke before I recommend what to get but the parts you described sound correct. It probably comes out the top but I am not certain.
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#6
10-11-2012, 08:36 AM
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I was able to remove mine by removing the motor mount on the exhaust side and used a 10mm gear wrench for some & a 10mm 1/4"drive socket for others. If I recall, you have to remove the front one to actually get the rear one out.
The other hard part was unbolting the manifolds from the exhaust system. I wound up breaking 2 of the studs & having to replace them with bolts. (the oem versions of the bolts are made of Inconel & cost ~$19 each.)
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#7
10-11-2012, 08:47 AM
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- Get new nuts from BMW (just in case). Most of the times, you can re-use the nuts/bolts.
- Use BMW gasket only! - Wear goggles, this is a must as debris will fall into your eyes! - Spray WD-40 or PB Blaster into these nuts and bolts 1h before doing the work. - For stubborn nuts/bolts a propane torch ($15 at hardware store) is very useful. http://realoem.com/bmw/showparts.do?...70&hg=11&fg=50 
Last edited by cn90; 10-11-2012 at 08:48 AM.
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#8
10-11-2012, 06:09 PM
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Jon , T and cn... Thanks ! ....and sorry for my little rant. The part that broke was the weld where the header and flange meet. Anyway... This was exactly the info I was looking for. Im gonna give it a go this weekend . Next project is my single vanos seals. Ordered my kit and tools today !!!
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#9
10-13-2012, 10:25 AM
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I have a Victor Reinz gasket....will that work ????
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