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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, Jan-20-2010, 02:33:22 AM   #41
F1Dryvr
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no i saw the leak, and didnt end up doing the oil change, found the cpv to be the cause and i wasnt sure it could be done w/ oil in the motor. so rather than risk a face full of 1 week old oil, I decided to wait on the part to come and then ill change both. now i know it can be done without draining the oil(thank you) ill hope i can remember that in another 60K mi when she leaks again!
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Old Wed, Jan-20-2010, 04:22:15 AM   #42
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I remember changing CPV without removing the headers and it was relatively easy. Funny thing is that BMW warranty paid me the time for removal of the headers....gravy!!!! Couple of hours I believe it was....$$$$
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Old Fri, Mar-26-2010, 08:42:24 PM   #43
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Easy job. I put the car on jackstands and did it that way. The old O-ring was dried and starting to crack. Pulled it off, replaced O-ring with new one from my box of O-rings and put it back together without needing to touch the header at all. 1 hour at most.
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Old Sat, Mar-27-2010, 09:14:41 AM   #44
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I just noticed a couple of drops on my drive. I was just about to make a new thread, but i thought i would do a search first for "oil dripping", and BOOM. The power of the search bar. Anyways, I am glad I found this. I now know what it could be and how much it should cost.

Thanks m3forum
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Old Fri, Apr-02-2010, 12:09:31 AM   #45
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Quote:
Originally Posted by Function7 View Post
Easy job. I put the car on jackstands and did it that way. The old O-ring was dried and starting to crack. Pulled it off, replaced O-ring with new one from my box of O-rings and put it back together without needing to touch the header at all. 1 hour at most.
Hello A.T. (Function7),
What is the o-ring size? Thx.
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Old Fri, Apr-16-2010, 07:49:11 PM   #46
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^ Also interested in the size of o ring. I have to do mine this weekend and would like to just replace the o-ring.

Thanks
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Old Mon, Apr-19-2010, 04:52:27 PM   #47
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I hope this is what my oil leak is coming from. BMW dealership said oil pan gasket but I want to make sure.

Can you see this CPV or evidence of it leaking from under the hood or do you have to crawl under the car and remove the panels to inspect?
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Old Mon, Apr-19-2010, 05:47:35 PM   #48
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Originally Posted by doozyj View Post
First they weasel out on the 6 year 100,000 mile warranty which is supposed to be covered since oil does touch the valve now their sneaky attempt to cash in on the warranty.
Your car is an '03. The 100k - 6 YEAR (which ever came first) warranty was up a long time ago. Your engine is no longer covered by that warranty, and calling out a dealer for not honoring a warranty that is no longer in effect is just bogus.
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Old Mon, Apr-19-2010, 09:28:37 PM   #49
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Quote:
Originally Posted by razzamagoo View Post
I hope this is what my oil leak is coming from. BMW dealership said oil pan gasket but I want to make sure.

Can you see this CPV or evidence of it leaking from under the hood or do you have to crawl under the car and remove the panels to inspect?
Don't trust the dealer. There have been a few cases, if not many, where the dealer tries to push this off as a leaking pan or rear main seal. BS! Yes you have to get under the car...not sure if you can see it without removing the aluminum plate (my plate was already off when I noticed the leak). Even if you have to remove the plate, DIY is worth it, very simple fix.
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Old Wed, May-26-2010, 09:48:15 AM   #50
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Quote:
Originally Posted by deilenberger View Post
Your car is an '03. The 100k - 6 YEAR (which ever came first) warranty was up a long time ago. Your engine is no longer covered by that warranty, and calling out a dealer for not honoring a warranty that is no longer in effect is just bogus.
Moderator, you are incorrect, the thread was a year old. Sale date was March 03, I went in at Jan 09, 2 months within the 6 years coverage. Now you calling me out on this is bogus.
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Discussing Constant Pressure Valve Oil Leak/ Seat Belt Tensioner/ FCABs in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)