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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 04-24-2012, 04:00 PM
MurrayP MurrayP is offline
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Location: Kingston Ontario
 
Join Date: Apr 2009
Posts: 78
Mein Auto: 98 540i
M62 Sludge

So I am well on my way of repairing the Valley Pan Gasket on my 03/98 540i with 258K Km on her. I removed the Intake Manifold and noticed that some of the injector ports on the heads were fairly dirty with sludge while some were not dirty at all.

I put my fingers in and scraped the goop carefully so as not to drop the crud into the valves. I haven't done this before and have no basis of reference but imagine that it is reasonable that there would be some sludge in the injector ports. After cleaning the inside of the ports and the flanges I covered each one with tuck tape to keep debris out (that's what you are seeing in the photo).

My question is why were some ports clean (towards the firewall but I think #2 was good too) while others dirty? Is there anything I can and should do to the Intake Manifold while it is off the car to clean any crap inside? (I am replacing the CCV plate on the back of the IM while I am at it).

Thanks!
Murray
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  #2  
Old 04-24-2012, 05:37 PM
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collardgreens collardgreens is offline
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Location: rochester NY
 
Join Date: Sep 2009
Posts: 243
Mein Auto: 01 540/6
I'm at the exact step your at.
I also had a little crud on my ports as well.
I had a severe leak at my throttle body and CCV gasket. Pools of oil all in the crevices.

I stripped my manifold down and was thinking of just cleaning it.

I also pulled the fuel rail with the injectors still attached. Might send them to get cleaned.

Don't reuse torx, get hex bolts instead.
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  #3  
Old 04-24-2012, 05:38 PM
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collardgreens collardgreens is offline
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Location: rochester NY
 
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Mein Auto: 01 540/6
http://www.bimmerfest.com/forums/sho...d.php?t=615905
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  #4  
Old 04-24-2012, 06:16 PM
MurrayP MurrayP is offline
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Location: Kingston Ontario
 
Join Date: Apr 2009
Posts: 78
Mein Auto: 98 540i
Hey Collardgreens, I had seen your linked post recently. Pic #4 looks fantastic - nice job! Regarding changing out the torx bolts for hex bolts, would you have a p/n for those? I've already stripped 2 of the torx getting the throttle cable bracket off the Tb...

I look forward to hearing of your progress! My car was working perfectly before the assault on the valley pan leak... That's pretty amazing IMO considering the mileage and all the horror stories on this board!
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  #5  
Old 04-24-2012, 06:39 PM
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Topaz540i Topaz540i is offline
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Location: Hillsborogh, NJ
 
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Posts: 1,023
Mein Auto: 2001 540i/6
i bought my bolts for the ccv on ebay.



try searching m6x25

i bought these hex flange because i didnt need to get washers lol
__________________
ESS Tuning m60 version software
m60 intake manifold
a.f.e. c.a.i.
3" obx catback
full powerflex urethane setup
545 ssk
cdv delete
m5 rear sway bar
M5 chassis rods
M5 3.15 lsd
Bc-r coilovers w/ swift springs
Akebono=suck
ss braided brake lines

coming soon:

Jb lwfw

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  #6  
Old 04-24-2012, 07:16 PM
dvsgene dvsgene is offline
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Location: "Empire State" of Mind
 
Join Date: Sep 2002
Posts: 2,614
Mein Auto: 98 540i M62 3.15
Anyone looking for the PN on the Torx bolts:

(12)x PN 11-14-1-460-752

Better to go to Home depot and get M6x25 HEX heads from Crown Bolt UPC 030699826681 (50 cents each) Look like this:

http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051
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  #7  
Old 04-25-2012, 12:56 AM
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collardgreens collardgreens is offline
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Location: rochester NY
 
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Mein Auto: 01 540/6
So about the intake, It should be ok if sprayed with some degreaser and rinsed out with a hose?
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  #8  
Old 04-25-2012, 04:11 AM
Topaz540i's Avatar
Topaz540i Topaz540i is offline
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Location: Hillsborogh, NJ
 
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Mein Auto: 2001 540i/6
yea just make sure to rinse it well. when i did the m60 manifold swap the manifold i received had something similiar to the black stuff baked onto the rack in your bbq grill.
i tried degreaser, putting it in the dishwasher, parts cleaning machine with wire brush, etc etc etc, nothing really worked until i just took a screwdriver and scraped it out.

the dishwasher is good for a final rinse to make sure there is nothing inside.
the manifold is made of nylon and a dishwasher is designed to clean dirt and grime off of plastic without destroying it. just remove the upper rack and stand the manifold on end so it sprays inside it.
__________________
ESS Tuning m60 version software
m60 intake manifold
a.f.e. c.a.i.
3" obx catback
full powerflex urethane setup
545 ssk
cdv delete
m5 rear sway bar
M5 chassis rods
M5 3.15 lsd
Bc-r coilovers w/ swift springs
Akebono=suck
ss braided brake lines

coming soon:

Jb lwfw

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