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  #1  
Old 04-18-2021, 06:58 PM
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Help with PCV replacement

Hey all, I need some assistance on a 2001 X5 3.0. I have removed the intake to replace the PCV valve and am surprised to find the bottoms hose is tied to the base of the transmission dipstick housing. I am new to BMWs and am not sure this should be like this. Does anyone have pictures or diagrams to show how it should be installed? Here is how mine is tied in.
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  #2  
Old 04-18-2021, 07:43 PM
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So you searched in the ARTICLES and the HOW TOS above and you didn't find anything at all? If yes then you are the first to say so.
I know this will come as a shock but people have been posting the info you are seeking for YEARS on this forum. You are not the first to discuss this system which in BMW language is called an "oil separator".
Try a little reading effort in a few How Tos articles and then post.

Not trying overly to smack you too hard but you are making way too easy.

Tip: all that mayo in your breather tube is causing your system not to function as designed.
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Old 04-18-2021, 07:49 PM
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Here is a link https://www.e46fanatics.com/threads/...ld-diy.536123/
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2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
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Old 04-18-2021, 07:49 PM
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Yeah, kind of elbow deep into this and was hoping for a quick hand rather than having to do searches. ��*♂️ Sorry for hoping for assistance.

P.S. I found assistance on another forum.
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Old 04-18-2021, 07:51 PM
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One more
https://xoutpost.com/articles/x5/eng...ed-w-pics.html
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2005 X5 4.8IS
The Blue ones are always FASTER....

Current Garage:
2005 X5 4.8is
2002 M5 TiSilver
2003 525iT
1998 528i
Former Garage Stable Highlights
2004 325XiT Sport
1973 De Tomaso Pantera, L Model
1970 Dodge Challenger T/A 4 sp Alpine White
1970 Dodge Challenger T/A 4 sp GoManGo Green
1971 Dart Sport, “Dart Light” package
1969 Road Runner 383
1968 Ply Barracuda 340S FB Sea-foam Green
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Old 04-18-2021, 08:15 PM
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Quote:
Originally Posted by e7ats View Post
Hey all, I need some assistance on a 2001 X5 3.0. I have removed the intake to replace the PCV valve and am surprised to find the bottoms hose is tied to the base of the transmission dipstick housing. I am new to BMWs and am not sure this should be like this. Does anyone have pictures or diagrams to show how it should be installed? Here is how mine is tied in.
Just to be clear, there is no transmission dipstick. I am guessing you mean the oil dipstick and yes, that is normal.
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Old 04-22-2021, 08:49 PM
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Hey guys. I wanted to update on what I found. This hose in my hand did go to engine dipstick tube. I had a heck of a time blowing this hose out. Turned out to be some plastic like a decal stuck in it. Also the tube going right into the dipstick was plugged. I pulled out the entire dipstick tube and cleaned/freed up the tube.

I have it all back together and still fighting a lean condition on both banks. I replaced the vacuum hoses on the back side of the intake and at the valve on the front of the exhaust manifold. I also replaced the hose going to the firewall.
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Last edited by e7ats; 04-23-2021 at 06:52 AM.
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Old 04-23-2021, 12:27 AM
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I decommission the CCV system and modified using "BavarianE39 CCV Mod"..
No more oil consumption.

Easy easy mod, you should read that long thread on the weekend...
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  #9  
Old 04-24-2021, 09:52 AM
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Quote:
Originally Posted by cn90 View Post
I decommission the CCV system and modified using "BavarianE39 CCV Mod"..
No more oil consumption.

Easy easy mod, you should read that long thread on the weekend...
I've done the mod and I'm not convinced it works as advertised. I put a catch can into the system and it intercepts quite a bit of oil. Oil that would have been going directly into the intake and being burned. Not to mention screwing up the fuel air mixture because it doesn't get accounted for by the computer.

After I did the mod I was still doing some freeway driving. My oil usage did not go down significantly. The last 5k miles have been almost exclusively non-freeway driving. I used 1 liter in those 5000 miles. Doing some research and BMW says this would be expected. Around town driving consumes less oil.

I have to take my X in for a smog check in the next week or two. If I get called on the mod, I will have to go back to stock. If I do, I will continue monitoring oil consumption and see if changes.
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Old 04-24-2021, 01:24 PM
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Quote:
Originally Posted by StephenVA View Post
So you searched in the ARTICLES and the HOW TOS above and you didn't find anything at all? If yes then you are the first to say so.
I know this will come as a shock but people have been posting the info you are seeking for YEARS on this forum. You are not the first to discuss this system which in BMW language is called an "oil separator".
Try a little reading effort in a few How Tos articles and then post.

Not trying overly to smack you too hard but you are making way too easy.

Tip: all that mayo in your breather tube is causing your system not to function as designed.
Au Contraire Mon Ami, Watch out StephenVA, people will call you out for having an attitude when giving out advice. Been there done that.


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