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Thread: Anyone have diagram of heater flow in 525?

  1. #1
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    Default Anyone have diagram of heater flow in 525?

    I am looking at deleting the heater core and all that trash. I was wondering if someone could provide me with an idea of how the coolant flows through the aux pumps and such, as I'd like to remove that all.

  2. #2
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    Delete all hoses apart from those in this picture:

    and route hose 5 straight back into 6.

    Cut up a piece of copper pipe or summat to mate the hoses together

    EDIT: While I think about it you might want to delete the throttle body heating too... especially if you're charge cooling. I'd also route hose 6 straight back into the block where hose 13 is supposed to enter...
    Last edited by Ferret; 09-12-2007 at 02:29 PM.

  3. #3
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    Quote Originally Posted by Ferret

    I'd also route hose 6 straight back into the block where hose 13 is supposed to enter...
    Good advice, but I don't understand why the larger diameter #6 would want to mate with the smaller diameter inlet (3/4" OD) where #13 enters the head.

    Might want to stick with the proper routing of #6 and rid yourself of #13 and #14 and plug all associated orifaces.

    Dave M

    10/90 Build 525im, 630,000+km, Eibach/Sachs, Engine Rebuild
    *RIP Oskar the DOG *

  4. #4
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    Quote Originally Posted by Dave M
    Good advice, but I don't understand why the larger diameter #6 would want to mate with the smaller diameter inlet (3/4" OD) where #13 enters the head.

    Might want to stick with the proper routing of #6 and rid yourself of #13 and #14 and plug all associated orifaces.

    Dave M
    Huh?

    My original post was supposed to be kinda like this:

    I must not have explained myself correctly.

    On a side note it's now 11.30pm and I can finally get the f*ck outta this hellhole of a workplace...

  5. #5
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    I already have the throttle body heating removed. Thanks guys this will prove useful.

  6. #6
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    Quote Originally Posted by Ferret
    Huh?

    On a side note it's now 11.30pm and I can finally get the f*ck outta this hellhole of a workplace...
    Makes sense now.

    Unless you start work at 4 pm, I'd be lookin for another 'workplace'

    Dave

    10/90 Build 525im, 630,000+km, Eibach/Sachs, Engine Rebuild
    *RIP Oskar the DOG *

  7. #7
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    Quote Originally Posted by Dave M
    Makes sense now.

    Unless you start work at 4 pm, I'd be lookin for another 'workplace'

    Dave
    Nope, I started at 7.30 am

    We're mid go-live season at the moment, so it's kinda expected that we'll work stupid hours... the $50/hr on overtime is quite handy though, may not be much to some, but I've only been outta uni 12 months and it's a lot to me

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