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Thread: Misfire cylinders 4, 5 and 6

  1. #1
    Join Date
    Sep 2016
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    Phoenix
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    E46 E39

    Misfire cylinders 4, 5 and 6

    I’ve been chasing my tail on these misfires. I have also seen my valve cover is leaking.

    Can this condition cause misfire on cylinders?



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  2. #2
    Join Date
    Dec 2013
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    Chicagoland area
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    EXOTICS
    Are bank-2 sparkplug wells clean + dry?
    a leaky valve cover can cause misfires.

  3. #3
    Join Date
    Sep 2016
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    Phoenix
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    E46 E39
    Quote Originally Posted by MIKYZZ4 View Post
    Are bank-2 sparkplug wells clean + dry?
    a leaky valve cover can cause misfires.
    Yes, they are dry and clean.


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  4. #4
    Join Date
    Sep 2016
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    Phoenix
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    E46 E39
    If I were to do this job, will I only need this kit?

    https://www.fcpeuro.com/products/bmw...BoC-hgQAvD_BwE

    How about new bolts?

    How easy is it to do the oil housing gasket gasket?


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  5. #5
    Join Date
    Dec 2010
    Location
    eastvale, ca, usa
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    21
    My Cars
    '08 E92/'07 E90/'99 E36
    the kit will do the job. difficulty level is moderate but takes several hours considering the number of parts to remove and reassemble. must have universal joints, extensions, and deep socket set to do diy job

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  6. #6
    Join Date
    May 2017
    Location
    Ontario, Canada
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    My Cars
    335i E93 N54
    Quote Originally Posted by M5XTu View Post
    If I were to do this job, will I only need this kit?

    https://www.fcpeuro.com/products/bmw...BoC-hgQAvD_BwE

    How about new bolts?

    How easy is it to do the oil housing gasket gasket?


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    Following thread.
    I'm hoping to hear about each gotcha you encounter, as I plan to do this soon as well.

  7. #7
    Join Date
    Sep 2016
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    Phoenix
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    E46 E39
    I prepping the job. So far, 2 hrs.


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  8. #8
    Join Date
    May 2017
    Location
    Ontario, Canada
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    512
    My Cars
    335i E93 N54
    Last edited by Codes2; 08-15-2018 at 01:00 PM.

  9. #9
    Join Date
    Sep 2016
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    Phoenix
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    301
    My Cars
    E46 E39
    Finally off. The owner may not be changing his oil regularly


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  10. #10
    Join Date
    May 2017
    Location
    Ontario, Canada
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    512
    My Cars
    335i E93 N54
    Ok. What the shite are we looking at?
    That is hardened oil sludge monsters?
    If so, that is beyond epicly scary.

    You've gotta interpret that nightmare.

    Further, congrats on gittins so far.
    Any special tools or surprises besides the volcanic solids?

  11. #11
    Join Date
    Sep 2016
    Location
    Phoenix
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    E46 E39
    No special notes to write about.

    You just get everything out of the way.


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