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Thread: Oil Catch Can/CVV delete mod doityourself

  1. #11
    Quote Originally Posted by 328ioc View Post
    Very nice mod. I may look into this to go along with a fer other mods.

    Plus my ccv needs to be replaced anyway.

    Sent from my SCH-I545 using Tapatalk
    I was a little hesitant at first, but now, after doing it and seeing the IMMEDIATE benefit and the ease of doing it, I wouldn't even think about going back to the old valve. What a POS.

    Quote Originally Posted by derbo View Post
    I like this mod. Unfortunately Smog emissions will fail visuals with this setup.
    Could easily be made to look better for smog inspection. And a few of the cans look OEM. See the one on the OP of the thread I used as my guide. With 3/4 hose from start to finish it can easily be made to look like it belongs there. In my state, we don't have smog checks or even state inspections so I didn't worry about how it looked. This was more for proof of concept. Eventually I'll get a better can with 3/4 fittings so I don't have to neck it down.

    Quote Originally Posted by Lanister View Post
    Why not just rebuild the motor? Wouldn't that be the cheapest route?
    Considering I have roughly $30 invested in this setup, so no a rebuild isn't even in the same stratosphere in relation to the cost.

    Even when I get my new engine, I would run this vs the stock setup. The M54 is built with LOW tension piston rings. Extra vacuum helps them seal, this makes the car run better, plain and simple. A guy I know makes scavenge pumps for race prepped E46's and other BMW's and says that they usually see 15% increase in power on the dyno from extra vacuum. I can also confirm, you will feel it. Or at least I did.

    It also is a much cleaner way to run your vehicle. If you look in the post I linked on post #1 you will see on page 6 or 7 that the original guy who did this cleaned his tailpipe of carbon after doing the mod. He had NO carbon residue to speak of after many, many miles. I would bet that nasty black residue we all get inside the intake (you see it when you replace the DISA) will be greatly reduced if not eliminated this way. And because it is still a closed system it is emissions friendly. I have been running it for 2000 miles and have gotten NO check engine lights and all my trims look spot on. The guy who gave me the idea has over 30k miles on his setup if memory serves. No issues.

    Check out my youtube channel for all kinds of E46 DIY's
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  2. #12
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    Quote Originally Posted by Smolck View Post
    I was a little hesitant at first, but now, after doing it and seeing the IMMEDIATE benefit and the ease of doing it, I wouldn't even think about going back to the old valve. What a POS.
    Yeah mine has been in need of replacing for a while but I just haven't had time. I'm going to look into doing this after the new year.

    Sent from my SCH-I545 using Tapatalk
    2005 IR ZHP Alcantara 6MT l Bimmian phone mount l Khoalty Angel Eye's l Khoalty Fog's l AFE Stage 1 Intake l AFE Dynamic Air Scoop's l CDV Delete
    Besian Sealed VANOS l Flat black Kidney Grills l Magnaflow Cat-Back

  3. #13
    Quick video and picture of the re-routed hoses.

    Attached Images Attached Images  

    Check out my youtube channel for all kinds of E46 DIY's
    http://www.youtube.com/user/flipfinish?feature=mhee
    Check out my BMW Blog
    http://smolckbmw.blogspot.com/
    Follow me on twitter @smolck

  4. #14
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    Wow super clean. Looks OEM.

    Sent from my SCH-I545 using Tapatalk
    2005 IR ZHP Alcantara 6MT l Bimmian phone mount l Khoalty Angel Eye's l Khoalty Fog's l AFE Stage 1 Intake l AFE Dynamic Air Scoop's l CDV Delete
    Besian Sealed VANOS l Flat black Kidney Grills l Magnaflow Cat-Back

  5. #15
    Quote Originally Posted by 328ioc View Post
    Wow super clean. Looks OEM.

    Sent from my SCH-I545 using Tapatalk
    Thanks for the kudos! I could clean it up a bit , but like you, Alabama doesn't do inspections, so it can look as bad as I can stand.

    Check out my youtube channel for all kinds of E46 DIY's
    http://www.youtube.com/user/flipfinish?feature=mhee
    Check out my BMW Blog
    http://smolckbmw.blogspot.com/
    Follow me on twitter @smolck

  6. #16
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    Amen.

    Sent from my SCH-I545 using Tapatalk
    2005 IR ZHP Alcantara 6MT l Bimmian phone mount l Khoalty Angel Eye's l Khoalty Fog's l AFE Stage 1 Intake l AFE Dynamic Air Scoop's l CDV Delete
    Besian Sealed VANOS l Flat black Kidney Grills l Magnaflow Cat-Back

  7. #17
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    Quote Originally Posted by 328ioc View Post
    Wow super clean. Looks OEM.

    Sent from my SCH-I545 using Tapatalk
    +1

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  8. #18
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    Quote Originally Posted by 328ioc View Post
    So instead of the catch can you just ran that filter?

    Sent from my SCH-I545 using Tapatalk
    Yep, just the filter.
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  9. #19
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    Interesting.........

    Sent from my SCH-I545 using Tapatalk
    2005 IR ZHP Alcantara 6MT l Bimmian phone mount l Khoalty Angel Eye's l Khoalty Fog's l AFE Stage 1 Intake l AFE Dynamic Air Scoop's l CDV Delete
    Besian Sealed VANOS l Flat black Kidney Grills l Magnaflow Cat-Back

  10. #20
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    Autozone.com
    Subbing to read this thread tonight when I get home.

    Has anyone seen this? http://www.radiumauto.com/Catch-Can-...esM3-P298.aspx
    It's a bit pricey, but Radium's stuff looks top notch

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