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Thread: ZF transmission problem

  1. #1
    Join Date
    Mar 2009
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    Fort Wainwright, AK
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    e34 BMW 525i

    ZF transmission problem

    Hey guys I have an issue with a ZF-5HP-18 transmission in a 95 530i with 167k. I have searched the forums relentlessly for the past few weeks and I canít seem to find the specific problem Iím having.

    Whenever I am going more than 10 miles per hour and come to a stop the transmission has a hard time down shifting and drops in into neutral for a few seconds and if I push the gas and let off real fast it will go into gear faster. It gets worse the warmer the transmission is.

    Any ideas what this might be please let me know.

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
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    11/88 E32 750iL+98 E36M3
    when was the last ATF and filter change? Did you check the fluid level? How to check https://www.europeantransmissions.co...MWtechinfo.htm
    SHOGUN'S TRICKS AND TIPS FOR THE SEVEN SERIES
    http://twrite.org/shogunnew/topmenu.html

  3. #3
    Join Date
    Mar 2009
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    Fort Wainwright, AK
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    e34 BMW 525i
    I finally got the car on a lift and found that the trans cooler is leaking. It only seems to leak under pressure. The trans fluid is full.


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  4. #4
    Join Date
    Jan 2005
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    Japan
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    11/88 E32 750iL+98 E36M3
    Hmmmh, if it is leaking, the ATF level could/should be down/too low
    SHOGUN'S TRICKS AND TIPS FOR THE SEVEN SERIES
    http://twrite.org/shogunnew/topmenu.html

  5. #5
    Join Date
    Mar 2009
    Location
    Fort Wainwright, AK
    Posts
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    e34 BMW 525i
    Itís within the full and low marks and still hesitates going in and out of gear when coming to a stop


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  6. #6
    Join Date
    Mar 2009
    Location
    Fort Wainwright, AK
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    58
    My Cars
    e34 BMW 525i
    And the bulletin, it doesnít seem to go away. It seems to get worse the hotter it gets.


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  7. #7
    Join Date
    Jul 2007
    Location
    Oldham UK
    Posts
    2,420
    My Cars
    '00 330i Sprt '92 525i
    Quote Originally Posted by m107gunner View Post
    It’s within the full and low marks and still hesitates going in and out of gear when coming to a stop


    Sent from my iPhone using Tapatalk
    The 5HPs do not have a dipstick. You check the level as per Shogun's link above. Maybe advise where you found those marks and if the filter has ever been changed?

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