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Thread: Changing Transmission Filter/Fluid

  1. #1
    Join Date
    Mar 2008
    Location
    NY
    Posts
    209

    Default Changing Transmission Filter/Fluid

    How do you change the Filter/fluid in a '90 535I? The car has 142K and I do not have any records yet so not sure if it was ever done.

    I'm not sure if I should worry about this or not but I'll feel more comfortable if I do so that I do have a exact date and mileage as to when it was done.

    Thanks
    Vince

    BTW: I do have a Bentley but just thought about this question while at work. I'll check later, but figure you guys would give me a head start.

    V
    1952 MG TD
    1963 MGB
    1967 MGB GT Special
    1974 MGB Roadster
    1991 Ford Ranger
    1997 BMW 528I
    2000 Harley Davidson Softail
    2004 Ford Expedition

  2. #2
    Join Date
    Feb 2006
    Location
    Oldham, England
    Posts
    3,074

    Default

    Quote Originally Posted by vping View Post
    How do you change the Filter/fluid in a '90 535I? The car has 142K and I do not have any records yet so not sure if it was ever done.

    I'm not sure if I should worry about this or not but I'll feel more comfortable if I do so that I do have a exact date and mileage as to when it was done.

    Thanks
    Vince

    BTW: I do have a Bentley but just thought about this question while at work. I'll check later, but figure you guys would give me a head start.

    V
    Depends on the box. Getting the old oil and filter out is easy. The procedure for getting the right amount back in isnt quite so simple. Check out page 3 here for an idea:
    http://www.zf.com/na/content/media/i...alog/5HP18.pdf

  3. #3
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
    Posts
    4,243

    Default

    Just do it. You have the ZF 4HP22. It has real drain plug and dipstick, is easy to service and uses good old cheap Dexron fluid.
    Watch for badly corroded trans pan bolts, soak 'em good with penetrating oil as they have a tendancy to snap off.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

  4. #4
    Join Date
    Jan 2004
    Posts
    4,148

    Default Here's the procedure for your

    car if you want to change the filter/screen as well and clean out the pan.http://bmwe34.net/Wiki/tiki-index.ph...utomatic+flush


  5. #5
    Join Date
    Oct 2005
    Posts
    518

    Default

    vping,

    The 535 is real easy to change ATF on. One thing I've learned is that when you do the full filter service, buy extra fluid. My tranny ate up about 3 times more than I anticipated on the first fluid change I did. Also, get that pan sparkling clean and remove any gunk from the magnets. Take care not to strip the bolts retaining the pan and you should be a-ok. My baby has progressively become smoother with several fluid changes. HTH

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