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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 03-07-2015, 03:08 AM   #41
paraklas
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price bumped from $350 to $545 on the ebay valve cover! WTF suddenly too popular?
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Old 03-07-2015, 12:20 PM   #42
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BMW of Bridgewater said there was a pricing mistake that would be fixed in 24 hours. It still shows $337 at http://parts.bmwofbridgewater.com/a/...r/11_3102.html
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Old 03-11-2015, 10:28 AM   #43
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wow! good job dude!!
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Old 03-11-2015, 05:19 PM   #44
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Wish i had known this earlier, did my ccv last week. Most fun I have ever had but wouldnt do it again
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Old 03-14-2015, 05:44 PM   #45
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For anyone interested, here's what the underside of the M56 valve cover looks like. First, a closeup from above of the cap to the integrated CCV. Interestingly, I looked in TIS to see if there were any instructions on when/how to clean it, but didn't find anything. Maybe there was a BMW technical bulletin on it? The other two pictures are of the underside. It looks like the CCV portion covers the entire underside. Also a shot of what is under the cap in the first picture with the vent outlet that connects via a hose to the intake manifold.
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Old 03-15-2015, 12:56 PM   #46
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Also pictures without the plates?
See what is really inside.
Think it's service free because it's not easy to get in there.
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Old 03-15-2015, 01:21 PM   #47
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The outside cap looks like it can be pried off, and maybe it is intended to be service free.

I don't plan on removing the plates, maybe someone can find a junker and remove those plates.
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Old 03-16-2015, 08:53 PM   #48
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Can someone explain to me the benefits of this modification? I am genuinely curious.
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Old 03-16-2015, 09:13 PM   #49
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Originally Posted by TR4G- View Post
Can someone explain to me the benefits of this modification? I am genuinely curious.
???? You clicked on it so you must have read it...
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Old 03-17-2015, 02:59 AM   #50
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I'm due for a VCG. Is this recommended? What's the status on all this? Mind you, i'm in Southern California where every day is 90 degrees and we never had a winter season here. I'm super interested

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Old 03-17-2015, 11:27 AM   #51
Sansho
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Quote:
Can someone explain to me the benefits of this modification? I am genuinely curious.
Since you've been on e46Fanatics for over 4 years, you may have read about some of the M54 CCV issues from a clogged CCV valve or clogged oil drain tube. The issues typically show themselves in cold weather climates, although over time deteriorating components can also cause issues. BMW came out with a cold weather CCV/hoses, and some have tried self-made alternatives, like catch cans.

The M56 valve cover seems like a way to eliminate the plastic CCV components, clean up some of the engine compartment, and increase reliability while still keeping the CCV function intact.
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Old 06-22-2015, 03:05 PM   #52
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This solution connects the crankcase vent directly to the intake manifold. So that would increase negative pressure and improve oil consumption.

I guess that this OE configuration is good information for those skeptics that are worried about whether the long-term effects of unregulated negative pressure are going to blow up the M54.
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Old 08-23-2015, 09:00 PM   #53
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Quote:
Originally Posted by Sansho View Post
So, if one were to buy all the parts new (with discounted BMW dealer prices and Pelican Parts on coils), required for a pre-09/2002 e46, this would be an $875 project:

Coils ( 6 @ $38) = $228
Spark plug wiring harness $112
Metal valve cover $297
Top valve plastic "BMW" cover $140
VCG o-rings (11 @ $1.36) $15
Oil cap $10
Plastic connector hose $53
Ground strap $20
-----------------------------------
Total $875

Those with 09/2002 and later could get away with $535 for the new parts.
New to my BMW and have been checking this thread out to replace the cracked plastic cover on my '01 325i. If I made the switch to the aluminum M56 valve cover would I be correct in thinking I'd need the 12-51-7-551-902 harness and 12-13-1-712-219 coils? In addition to the gasket set for the M56, oil cap, and ground strap. Would the harness plug directly in place of the current harness? Would there be any other odds and ends I might need?
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Old 08-23-2015, 10:37 PM   #54
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I replied to your PM. I did the conversion, and will be posting a DIY with more details in the not too distant future.
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Old 08-24-2015, 11:11 PM   #55
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This is great

Quote:
Originally Posted by VladBelsky View Post
As my summer daily driver sat in the garage, I decided that it was time for a CCV replacement. Inspired by my other E46 (an M56 SULEV model), I decided to do this in an unconventional way; by replacing the plastic valve cover on the M54 with an aluminum one from an M56 engine, and retrofitting the dipstick tube from the M56 engine.

-The M56 valve cover has the CCV built in, as a serpentine chamber that can be opened and cleaned every time the valve cover gasket is changed.

-The M56 dipstick tube doesn't have a second channel to drain oil from the CCV back into the oil pan. It is otherwise the same.

-The valve cover gasket for the M56 is flat, metal-reinforced, and lays right onto the head, rather than being put onto the valve cover first.


Went on eBay and got all of these goodies for a total of $200.




Bought an M56 valve cover gasket set as well. Then I got to work. Perfect fit.







A comparison of the M54 dipstick tube (left) and the M56 dipstick tube (right):





The M56 dipstick tube uses two O-rings. The bottom O-ring is the same as the M54 dipstick tube O-ring. The part # for the top O-ring is 11437519850.





Capped-off the smaller port on the intake vacuum distributor.


This is great but can it be done to a m52tu with m54 intake manifold But honestly I like the m52 valve cover, can a catch can be added I need to draw it out and I'll figure it out
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Old 08-24-2015, 11:12 PM   #56
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Old ccv sucked

Old ccv sucked
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Old 08-25-2015, 12:31 AM   #57
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I also sourced a M56 valve cover for this conversion, probably will install it in the wintertime. The ground strap has been listed as a required part number but the part is identical to the one on the M54. Only $20 but why buy a part you already have. All the mounting hardware is the same too, aside from the VCG and plug gaskets.

With all the SULEV 325's biting the dust lately due to fuel pumps, it seems like M56 VC's are not so hard to find...

Has anyone pulled the spring regulator apart yet? Any replacement PN's?

Last edited by flyride; 08-27-2015 at 04:41 PM.
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Old 08-29-2015, 12:07 AM   #58
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So, I'm cleaning up my M56 valve cover. It's positively the worst looking thing I've ever seen to come out of an engine - I can slide the carbon buildup off with a putty knife! Ugh.

Anyhow, I pulled the serpentine chamber covers off. Use care if you do this because you'll have to make your own gasket if the rubber gaskets are damaged. It was worth it though because it was just as gunked up inside as it was outside.

Which leads me to the regulator. I can see the spring in the regulator from inside the serpentine chamber. I would love to take it apart and clean it or replace it given how dirty the rest of the valve cover was, but it seem certain to be damaged if I try to pry it off.

Has anyone had any success (or even tried) to replace this:



with this:



Found at: https://www.fcpeuro.com/products/bmw...ve-11127547058

Obviously I don't want to try on my intact unit! Who has a "dead" valve cover this can be tried on?

Last edited by flyride; 08-29-2015 at 12:07 AM.
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Old 08-30-2015, 12:36 PM   #59
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Interesting ...wonder what the service interval is on those parts? I looked through TIS and couldn't find that referenced. Wonder if there is a BMW bulletin on it? Related, you can buy those parts (#11127547058) from discounting BMW dealer TheBMWMiniPartStore for $17.32.
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Old 08-30-2015, 02:42 PM   #60
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There is a BMW part number on the regulator but it doesn't come up on any RealOEM/Google/dealer parts lists. Officially if you want to change it on a M56, you buy an entire new aluminum valve cover. In some BMW tech description of the M56 I found a picture with it separated from the VC but that's probably prior to installation. The way it is constructed, it will be very difficult to remove without damaging the plastic clips. So the search for an alternative.
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