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Thread: BMW E34 540i -93 automatic transmission leak

  1. #26
    Join Date
    Dec 2016
    Location
    Sweden, Stockholma
    Posts
    59
    My Cars
    BMW 540i E34 -93
    Great one! Thanks

  2. #27
    Join Date
    Dec 2016
    Location
    Sweden, Stockholma
    Posts
    59
    My Cars
    BMW 540i E34 -93
    I think I've found the source of the leak. Input shaft seal located at the leak. I could not find any leak on the transmission cooler hoses and on the pan or on the sides....

    How common is it that leak from input shaft seal on those Transmissions?

    I've been called the bmw dealer for a troubleshooting on 18th August. Gonna pay $250 - $300 just for the trouble shooting....

  3. #28
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    54,655
    My Cars
    11/88 E32 750iL+98 E36M3
    Very common after so many years of use, trans has to come out for that, the seal is cheap and when the trans is out it is an easy job as the seal is at the front, when you have the trans out, also replace the rear output seal and on the side the small one for the shift lever.
    download this http://www.vasimr.com/bmw/5hp30_repair_manual.pdf
    Last edited by shogun; 07-27-2020 at 06:47 PM.
    Shogun tricks and tips for the E32 series are HERE!

  4. #29
    Join Date
    Dec 2016
    Location
    Sweden, Stockholma
    Posts
    59
    My Cars
    BMW 540i E34 -93
    Quote Originally Posted by shogun View Post
    Very common after so many years of use, trans has to come out for that, the seal is cheap and when the trans is out it is an easy job as the seal is at the front, when you have the trans out, also replace the rear output seal and on the side the small one for the shift lever.
    download this http://www.vasimr.com/bmw/5hp30_repair_manual.pdf
    Thank you so much Shogun!
    I will get back after the troubleshooting at the dealer to verify the leak.

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