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Keeping it surreal
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This would be a good time to replace the valve cover gasket as well. Get everything buttoned up tight & clean, and you won`t have to worry about it for a long time.
 

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Seek to understand,^Value
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I made a (somewhat failed) attempt to list ahead of time the parts to get when doing a CCV/ICV job ... and what other jobs to tackle at the same time ("while you're there").

It would be helpful if the OP could review this page and make recommendations.
- Crankcase ventilation valve (CCV) recommended parts list kit

That way, we can point the next person to the complete recommended list of parts to get and other jobs to tackle at the same time.

TOOLS FOR CCV REPLACEMENT:
• T-40, T-27 & T-25 Torx
• 6mm, 10mm, & 13mm sockets
• Ratchet -1/4" & 3/8"
• Extension bars, various lengths - 1/4" & 3/8"
• ¼" drive handle
• Small mirror (absolutely necessary!)
• Assorted flat blade screw drivers in different lengths
• Magnetic pick up tool (optional)
• Small blade knife or cutter (for old hoses)
• WD-40

PARTS FOR CCV REPLACEMENT:
• 11 61 7 533 400 Pressure Regulating Valve - CCV (insulated)
• 11 61 1 533 398 Vent Pipe (insulated)
• 11 61 7 533 399 Connecting line (insulated)
• 11 61 7 532 629 Vent hose (insulated)
• 11 61 7 504 536 Return Pipe (insulated)
• 11 43 1 740 045 O-Ring, Oil Dip Stick Tube to Oil Pan

In response to this complete list of parts from Mark at EACTuning for the M54 engine CCV repair: it seems Jason5Driver suggests only:
- CCV cold weather kit
- 2 additional hoses (one is the vent hose but I'm not sure the other hose?)
- dip-stick O-ring
- air distribution piece (is this the same as the return pipe?)
 

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Discussion Starter · #5 ·
Sure. Thanks
Change #6 too.

Also Remove the Intake Manifold and change all associated gaskets if you have more than 100K miles.
I plan to clean up throttle valve and ICV and replace all associated gaskets. The valve gasket is replaced 2 months ago.

This would be a good time to replace the valve cover gasket as well. Get everything buttoned up tight & clean, and you won`t have to worry about it for a long time.
Did you know why "air distribution piece"?

I made a (somewhat failed) attempt to list ahead of time the parts to get when doing a CCV/ICV job ... and what other jobs to tackle at the same time ("while you're there").

It would be helpful if the OP could review this page and make recommendations.
- Crankcase ventilation valve (CCV) recommended parts list kit

That way, we can point the next person to the complete recommended list of parts to get and other jobs to tackle at the same time.

TOOLS FOR CCV REPLACEMENT:
• T-40, T-27 & T-25 Torx
• 6mm, 10mm, & 13mm sockets
• Ratchet -1/4" & 3/8"
• Extension bars, various lengths - 1/4" & 3/8"
• ¼" drive handle
• Small mirror (absolutely necessary!)
• Assorted flat blade screw drivers in different lengths
• Magnetic pick up tool (optional)
• Small blade knife or cutter (for old hoses)
• WD-40

PARTS FOR CCV REPLACEMENT:
• 11 61 7 533 400 Pressure Regulating Valve - CCV (insulated)
• 11 61 1 533 398 Vent Pipe (insulated)
• 11 61 7 533 399 Connecting line (insulated)
• 11 61 7 532 629 Vent hose (insulated)
• 11 61 7 504 536 Return Pipe (insulated)
• 11 43 1 740 045 O-Ring, Oil Dip Stick Tube to Oil Pan

In response to this complete list of parts from Mark at EACTuning for the M54 engine CCV repair: it seems Jason5Driver suggests only:
- CCV cold weather kit
- 2 additional hoses (one is the vent hose but I'm not sure the other hose?)
- dip-stick O-ring
- air distribution piece (is this the same as the return pipe?)
 

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Registered
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1,029 Posts
I made a (somewhat failed) attempt to list ahead of time the parts to get when doing a CCV/ICV job ... and what other jobs to tackle at the same time ("while you're there").

It would be helpful if the OP could review this page and make recommendations.
- Crankcase ventilation valve (CCV) recommended parts list kit

That way, we can point the next person to the complete recommended list of parts to get and other jobs to tackle at the same time.

TOOLS FOR CCV REPLACEMENT:
***8226; T-40, T-27 & T-25 Torx
***8226; 6mm, 10mm, & 13mm sockets
***8226; Ratchet -1/4" & 3/8"
***8226; Extension bars, various lengths - 1/4" & 3/8"
***8226; ¼" drive handle
***8226; Small mirror (absolutely necessary!)
***8226; Assorted flat blade screw drivers in different lengths
***8226; Magnetic pick up tool (optional)
***8226; Small blade knife or cutter (for old hoses)
***8226; WD-40

PARTS FOR CCV REPLACEMENT:
***8226; 11 61 7 533 400 Pressure Regulating Valve - CCV (insulated)
***8226; 11 61 1 533 398 Vent Pipe (insulated)
***8226; 11 61 7 533 399 Connecting line (insulated)
***8226; 11 61 7 532 629 Vent hose (insulated)
***8226; 11 61 7 504 536 Return Pipe (insulated)
***8226; 11 43 1 740 045 O-Ring, Oil Dip Stick Tube to Oil Pan

In response to this complete list of parts from Mark at EACTuning for the M54 engine CCV repair: it seems Jason5Driver suggests only:
- CCV cold weather kit
- 2 additional hoses (one is the vent hose but I'm not sure the other hose?)
- dip-stick O-ring
- air distribution piece (is this the same as the return pipe?)
I have a standard 2003 530i can i use the cold climate version in nyc with extreme heat and cold weather?
Are "URO" parts good or only do OEM? anyone have a part number for the "air distribution piece"
 

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I have a standard 2003 530i can i use the cold climate version in nyc with extreme heat and cold weather?
Also parts ending in 629 and 398 are not found at eac tuning, can i find those missing parts at autohausaz.com? Lastly, are "URO" parts good or only do OEM?
Yes, the cold weather kit is especially needed if you drive short distances in cold weather. If you can't find the vent pipe or the vent hose at EACTuning, it is available at other sources, including the dealer.
 

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Seek to understand,^Value
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25,199 Posts
Also Remove the Intake Manifold and change all associated gaskets if you have more than 100K miles.
Cam,
Is that part #2 below (Set of profile gaskets, PN 11611436631, $63.30) in the Realoem diagram?



Anyone have a part number for the "air distribution piece"
I ran across this old post as I was culling the net for a few hours to create a comprehensive parts list for the CCV job (among other CCV summaries):
- Summary of what to buy & how to test the BMW E39 CCV system

And, in doing so, I'm researching the following CCV parts summaries:
***8226; Cold-weather CCV parts list for M54 from Mark at EACTuning
***8226; Generic CCV parts list first attempt by Bluebee
***8226; CCV parts list from Edgy36-39 in Fudman DIY
***8226; CCV parts list spreadsheet from VitaminXX
***8226; CCV parts list from Jason5driver (includes air distribution piece)
***8226; Parts list including CCV cold weather kit from rdl

Where, I ran into the "air distribution piece" mentioned by Jason5driver:
- CCV Replacement FYI - M54 (post #23)


----------------------------------------------------------------------------------------------

Following that thread, the "air distribution piece" is part number 11611440318 ($58.23) as shown above in Jason5driver's link to realoem.

Here is a picture of Jason5driver's M54 air distribution piece flipped upward:



If Jason5driver is listening, it would be nice to confirm whether he feels the air distribution piece should be replaced or just the set of profile gaskets for the intake manifold as Cam suggested, and why.
 

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I recently replace my CCV and many other gaskets. The air distribution piece is relatively clean on my 525i with 120K mi. Since I already bought the new one, I replaced it anyway. I can just clean and reuse the old one. The main concern are the 6 o-rings that can went bad and allow vacuum leak.
 

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Seek to understand,^Value
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25,199 Posts
The main concern are the 6 o-rings that can went bad and allow vacuum leak.
I'm confused about those six "o-rings".

In Jason5driver's pictures, he shows the #6 o-rings on the underside of the "air distribution piece" but cam talks about the intake manifold (which I take to be #2 "profile gaskets".

Is the suggestion to replace both the 6 o-rings on the underside of the air-distribution piece and the six "profile gaskets" on the intake manifold?
 

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I'm confused about those six "o-rings".

In Jason5driver's pictures, he shows the #6 o-rings on the underside of the "air distribution piece" but cam talks about the intake manifold (which I take to be #2 "profile gaskets".

Is the suggestion to replace both the 6 o-rings on the underside of the air-distribution piece and the six "profile gaskets" on the intake manifold?
Yes, those 6 little O-rings go bad. Also the profile gaskets of the intake manifold start getting "cooked".
The distribution piece, If the car is not needed for 24 Hrs, "could" be cleaned. It is hard to clean the inside where all the gunk settles, you will need to let it rest, filled with some sort of solvents that will not damage the plastic. I believe Jason said the new distribution piece was significantly lighter than the old one due to all that gunk build-up. Bimmerfiver suggested "Simple green". Maybe if one would poor brake cleaner inside, it might do the trick as well. It has to be left with the solvent until it breaks the gunk and can be cleaned out. The 6 openings are very small for a mechanical cleaning, and even the chemical cleaning "might" not be efficient. That's why Jason just changed it out.
 

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Seek to understand,^Value
Joined
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25,199 Posts
Yes, those 6 little O-rings go bad. Also the profile gaskets of the intake manifold start getting "cooked". The distribution piece, If the car is not needed for 24 Hrs, "could" be cleaned.
Ah, I see.

Thanks Doru for clearing that up. It's so difficult to do this research because I know so little. Once I do a job, I learn a lot - but until then, I'm clueless. Thanks for cluing me in.

I'll add the following recommendations to the final list of parts over here:
- Understanding the crankcase ventilation (CCV, CVV, PCV) pressure regulating valve system (1)

Ancillary items to consider replacing when doing a CCV overhaul:
***8226; Set of six air distribution piece o-rings 7x3mm, PN 11617502761 $0.88 each (see reference here)
***8226; Set of six intake manifold profile gaskets PN 11611436631 $63.30 (see reference here & here & here)
***8226; Air distribution piece PN 11611440318 $58.23 (see reference here & here)
***8226; Throttle body housing gasket PN (see reference here)
***8226; Valve cover gasket PN (see reference here)

 

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Seek to understand,^Value
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25,199 Posts
For the record, here's the current parts list I've compiled from dozens of threads and questions like the one Doru kindly just answered:

Total $220 to $235 for the following 7 to 8 items:
- Parts required to be changed when replacing CCV

  1. Pressure regulating valve (insulated cold-weather version, 11617533400 = $66)
  2. Vent pipe (insulated cold-weather version, 11617533398 = $28)
  3. Connecting line (insulated cold-weather version, 11617533399 = $34)
  4. Vent hose (insulated cold-weather version, 11157532629 = $15)
  5. Return pipe (stock version is already insulated, 11617504536 = $34)
  6. Dipstick guide tube (redesigned version sans concentric rings, 11437531258 = $41)
  7. Dipstick guide tube lower o-ring (19.5x3mm, 11431740045 = $2)
  8. Vacuum hose black (not on all E39s = $15, e.g., not on the M54)
There is a 3-component 'cold weather CCV kit', PN 11617534237, (EAC Tuning $110, BMW Parts Source $93) which contains:
***8226; $66 Pressure regulating valve (cold weather version)
***8226; $34 Connecting line (cold weather version)
***8226; $15 Vent hose (cold weather version?)

Ancillary items to consider replacing when doing a CCV overhaul:
***8226; Set of six air distribution piece o-rings 7x3mm, PN 11617502761 $0.88 each (see reference here)
***8226; Set of six intake manifold profile gaskets PN 11611436631 $63.30 (see reference here & here)
***8226; Air distribution piece PN 11611440318 $58.23 (see reference here & here)
***8226; Throttle body housing gasket PN (see reference here)
***8226; Valve cover gasket PN (see reference here)

When ordering less than the full complement of hoses, keep in mind what rdl said over here:
Quote:
*******> ********>
The drain hose and drain in the dipstick guidetube were plugged solid. In my case, I was able to remove the drain hose from the dipstick guide tube while in place. I used a small screwdriver pushed into the slip joint & ran it all the way around the circumference to break adhesion, then pulled the hose up & off the guidetube. It was the only hose that didn't crumble when disturbed during CCV removal.
*******> ********>
When deciding on the ancillary parts, keep in mind what Doru said here: Quote:
*******> ********>
those 6 little O-rings go bad. Also the profile gaskets of the intake manifold start getting "cooked".
The distribution piece, If the car is not needed for 24 Hrs, "could" be cleaned. It is hard to clean the inside where all the gunk settles, you will need to let it rest, filled with some sort of solvents that will not damage the plastic. I believe Jason said the new distribution piece was significantly lighter than the old one due to all that gunk build-up. Bimmerfiver suggested "Simple green". Maybe if one would pour brake cleaner inside, it might do the trick as well. It has to be left with the solvent until it breaks the gunk and can be cleaned out. The 6 openings are very small for a mechanical cleaning, and even the chemical cleaning "might" not be efficient. That's why Jason just changed it out.
*******> ********>

Tools required for a typical CCV overhaul:

***8226; T-40, T-27 & T-25 Torx
***8226; 6mm, 10mm, & 13mm sockets
***8226; Ratchet -1/4" & 3/8"
***8226; Extension bars, various lengths - 1/4" & 3/8"
***8226; ¼" drive handle
***8226; Small mirror (absolutely necessary!)
***8226; Assorted flat blade screw drivers in different lengths
***8226; Magnetic pick up tool (optional)
***8226; Small blade knife or cutter (for old hoses)
***8226; WD-40

This is not a CCV DIY, but, it is nice to LIST the DIYs for future reference about CCV operation:

- DIY: Oil Line --> Vanos, CCV, ICV and Alternator Air Duct, by cn90
- CCV Replacement FYI - M54, by Jason5driver
- DIY: CCV Replacement on an M54 & Replacement of the CCV on M54, both by Fudman
- DIY: change of the CCV / Pressure regulating valve / oil separator, 99 528i, by aioros
- Crankcase/Oil Seperator (CCV) (M52), by jamesdc4
- CCV replacement tips, by RDL
- Detailed DIY for CVV Overhaul for the M52TU Motor, by Graham_E39_528i
- DIY Supplemental: Crankcase Vent (CCV) Replacement Notes and Photos (97 540i), by cerber
- Crankcase/Oil Seperator (CCV) (740i M62)
- 1998 528i CCV(Crankcase/Oil Seperator Fixed!!! w/Pics!!!, by jfive96
 
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