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Thread: Late model 325i coolant hose routing

  1. #1
    Join Date
    Sep 2003
    Location
    Middleburg Hts., OH
    Posts
    206
    My Cars
    '89 325i

    Exclamation Late model 325i coolant hose routing

    I'm doing a complete rebuild of my '89 325i engine. Well everything except bearings probably. I haven't got that far yet. I have some plastigage so I'll check them while I have the bottom end apart. I just got my head back from the machine shop. It was bead blasted along with the intake manifold and valve cover. Man do they look pretty. I'll post some pics later.

    Anyways.... on to my real question....
    Does anybody have a picture of the coolant house routing? My car has an 11/88 build date. Any diagrams and photos would be greatly appreciated. Thanks.
    Erik R.
    '89 325i - SOLD April '06. I miss her.
    '03 Acura RSX - Daily Driver

    ASE Master Tech & L1 Adv. Engine Perf. and Mechanical Engineer

  2. #2
    Join Date
    Oct 2003
    Location
    Kansas City USA
    Posts
    567
    My Cars
    BMWs 85 shark & 92 M-Tech Cabrio

    Hmm,

    I hate to be the bearer of bad news.

    If you are not changing the bearings, why do you think you are overhauling the engine.

    It sounds like a valve job and new gaskets to me.

    There is more to an overhaul than bead blasting the intake.

    Later,
    <img src="http://kcrealtime.com/dyno-max_900_hp.gif">

  3. #3
    Join Date
    Dec 2003
    Location
    West Side
    Posts
    516
    My Cars
    2000 528i, MT
    Not the greatest, but hope it helps...
    Attached Images Attached Images
    SOLD, again!! Good luck, Eric!! 6/10/2012
    "To my mind it is wholly irresponsible to go into the world incapable of preventing violence, injury, crime, and death. How feeble is the mindset to accept defenselessness. How unnatural. How cheap. How cowardly. How pathetic."


  4. #4
    Join Date
    Dec 2003
    Location
    West Side
    Posts
    516
    My Cars
    2000 528i, MT
    Hard to get a good pic underhood, but here it is...
    Attached Images Attached Images
    SOLD, again!! Good luck, Eric!! 6/10/2012
    "To my mind it is wholly irresponsible to go into the world incapable of preventing violence, injury, crime, and death. How feeble is the mindset to accept defenselessness. How unnatural. How cheap. How cowardly. How pathetic."


  5. #5
    Join Date
    May 2002
    Location
    Holiday Inn Express
    Posts
    3,648
    My Cars
    E30
    Hope this helps a little.......
    Attached Images Attached Images

  6. #6
    Join Date
    Sep 2003
    Location
    Middleburg Hts., OH
    Posts
    206
    My Cars
    '89 325i
    Thanks guys for the diagrams. The one in the Bentley is pretty lousy.

    KC Ron, I know what goes into rebuilding an engine. I'm doing way more than I listed above. But why replace bearings that show little or no wear??? I bought the plastiguage for a reason. I'll replaced them if needed.
    "There is more to an overhaul than bead blasting the intake." Thanks for stating the obvious.
    Erik R.
    '89 325i - SOLD April '06. I miss her.
    '03 Acura RSX - Daily Driver

    ASE Master Tech & L1 Adv. Engine Perf. and Mechanical Engineer

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