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Thread: E38 735i gearbox oil change

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  1. #1
    Junior Member
    Join Date
    Oct 2013
    Posts
    35

    E38 735i gearbox oil change

    Hi guys hope someone can help. I'm looking to do an oil change on the automatic gearbox on my 7. Just looking for a bit of advice on the oil to use. Should I use atf II or dextron III. Also does anyone know the oil capacity of the gearbox?

    Thanks

    Frank

  2. #2
    Junior Member
    Join Date
    Apr 2014
    Posts
    22

    RE: E38 735i gearbox oil change

    [frank
    the oil in your gearbox is not simple --this question was answered some time ago by a man who scanned the pages of a hays manual which from memory said BMW oil only.
    to show it is not simple I have had to import a 20 lt can of TRANSSYND from Castrol through emo oil as it is the only oil in the world which will allow a Allison gearbox to change gears properly .
    this is made only in the USA and was specially designed to CURE the box of its faults --oil is not simple --spend the money on the correct one not the handiest as I used dextron 2 on a zf box and got 4hours of use --I pulled up the dipstick and it was coated high with sludge which was the lining material on the clutch plates now in the oil .
    take care bugs

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