General M54 Engine Info
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  1. #1
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    General M54 Engine Info

    Found some of the content in this interesting (and complex!)

    m54x5[1].pdf

    Hopefully it can shed some light

  2. The Following 3 Users Say Thank You to Bratty For This Useful Post:

    rac030275 (25-11-2012),RobbieV (25-11-2012),Sphinx (04-12-2012)

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    was posted up a bit back on here by somebody...

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    Quote Originally Posted by dailydoggy View Post
    was posted up a bit back on here by somebody...
    Did a quick search and could not find it on BFI.

    I posted on the "other" Forum but it was the complete 3 series training manuals from circa 2001.

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    Quote Originally Posted by Bratty View Post
    Found some of the content in this interesting (and complex!)

    m54x5[1].pdf

    Hopefully it can shed some light
    That resonance flap looks dangerously like a swirl flap

  7. #6
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    Quote Originally Posted by Wrenny1969 View Post
    That resonance flap looks dangerously like a swirl flap
    When my DISA valve gave up I decided to drive back (with it not wanting to idle) from the Nübyring to my home (about 3 hours) when I got it off the car and had a good look I thought "oooher Missus!!!" maybe that was not the smartest move

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    Quote Originally Posted by Bratty View Post
    When my DISA valve gave up I decided to drive back (with it not wanting to idle) from the Nübyring to my home (about 3 hours) when I got it off the car and had a good look I thought "oooher Missus!!!" maybe that was not the smartest move
    which bit it the DISA valve?

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    Quote Originally Posted by Bratty View Post
    Did a quick search and could not find it on BFI.

    I posted on the "other" Forum but it was the complete 3 series training manuals from circa 2001.
    some dude posted it on here cos i have a copy of it on my laptop, nobody had seen it before including me, i dunno where he found it cant remember the actual post was fairly recent tho...

  10. #9
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    Quote Originally Posted by Wrenny1969 View Post
    which bit it the DISA valve?
    Page 42

  11. #10
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    Quote Originally Posted by Bratty View Post
    Page 42
    Ah okay same bit I picked on but not named DISA in the manual

    If it just increased air flow what mess would it have caused if stuck shut - would have just thought the engine would have felt a little suffocated?

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