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Thread: Manifold blew up!

  1. #1
    Join Date
    Aug 2019
    Location
    Merritt Island Florida
    Posts
    10

    Manifold blew up!

    Hi Guys and gals
    Well I went to start my 2005 330i about a week ago and I heard a loud bag. It hadn't been started in over 12 hours. Large puff of smoke came from under the hood. Long story short I Had to get it towed due to it back firing continually. I would have worked on itself but I was on my 7 days on shift. Local BMW shop found the manifold blew out a section on the bottom about 5x5 in. My question is what could have caused this to happen? They said the CCV was clogged and replaced the CCV and hoses. I had just replaced the CCV and hoses about 6 months ago. I'm not convinced that's it. I tend to think it was maybe some excess fuel that made the manifold blow. I had no running issues before the blowout Name:  20201212_122507.jpg
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    Thanks
    Dave

  2. #2
    I have never seen this. That's crazy!

  3. #3
    Join Date
    Aug 2019
    Location
    Merritt Island Florida
    Posts
    10
    I have heard that from one of the two mechanics that saw this. He has been working on BMW over thirty years.

  4. #4
    I hope this isn’t another preventive maintenance thing... “Whelp, turns out intake manifolds only last 15 years”.

  5. #5
    Join Date
    Feb 2011
    Location
    Lexington, KY
    Posts
    4,432
    Wouldn't you think the CCV system, if clogged (in 6 months), would be the weak point and blow out rather than the manifold?
    Find this strange, but I am not sure I understand the whole CCV thing.
    325i, 2005, 5MT, Silvergrey, leatherette, Sport package; CDV delete, KONI STR-T & KYB Excel-G, Weisslichts, Stewart H2O pump

    328i, 2010, 6MT, Spacegrey, dakota leather, M-sport packages; all stock
    http://s900.photobucket.com/user/othibau/media/Junesig.jpg.html][IMG]http://i900.photobucket.com/albums/ac208/othibau/Junesig.jpg

  6. #6
    Join Date
    Dec 2019
    Location
    Raleigh, NC
    Posts
    398
    In case this happens to anyone else here, just a slight nudge towards a possible replacement unit: https://dbilas-shop.com/en/intake-tr...tu/m54?c=19752

    330i Base | Mysticblau | Slicktop | 6MT

  7. #7
    Join Date
    Aug 2019
    Location
    Merritt Island Florida
    Posts
    10
    Quote Originally Posted by Oli77 View Post
    Wouldn't you think the CCV system, if clogged (in 6 months), would be the weak point and blow out rather than the manifold?
    Find this strange, but I am not sure I understand the whole CCV thing.
    Thats exactly what I was thinking. it would have blown off one of the hoses not blown a hole in the manifold!!!

  8. #8
    Join Date
    May 2020
    Location
    Toronto, ON
    Posts
    603
    Quote Originally Posted by Galapolis View Post
    In case this happens to anyone else here, just a slight nudge towards a possible replacement unit: https://dbilas-shop.com/en/intake-tr...tu/m54?c=19752

    lol that thing is cool. Here's another pretty cool solution, but it's homebrew - I love how the stock TB is repurposed!

    2004 BMW 330CI ZHP (well, technically ZAM)


  9. #9
    Join Date
    Feb 2019
    Location
    W/S, NC
    Posts
    135
    Quote Originally Posted by Galapolis View Post
    In case this happens to anyone else here, just a slight nudge towards a possible replacement unit: https://dbilas-shop.com/en/intake-tr...tu/m54?c=19752

    actually just saw something about a company in Poland that makes a retrofit adapter to run an n54 intake manifold on our engines. That was new to me. It looked real good too in the engine bay.

    Sent from my Pixel 3a using Tapatalk
    - 2005 Titanium Silver 330i ZHP 6spd -


  10. #10
    Join Date
    Nov 2012
    Location
    22841
    Posts
    9,707
    I believe @330i ZHP bought a car that had a blown up intake manifold. Something to do with the fuel system. Maybe he will chime im to correct me

    Sent from my Pixel 4 XL using Tapatalk

    His - 2004 Imola Red / Alcantara 330i | 6MT | ZHP |

    Her's - 2005 Black Sapphire Metallic / Black Leather 330i | 6MT | ZHP |

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