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Thread: e64 gearbox problem

  1. #1
    Join Date
    Sep 2017
    Location
    London
    Posts
    36
    My Cars
    Bmw

    e64 gearbox problem

    As you may have seen on my other thread , i fixed the engine issue

    What i am left it is gearbox

    When i bought the car, after driving it home it started to slip and judder as hell and kept throwing gearbox is overheating

    Checked pan and it was leaking so changed pan and oil and that took care of it however it only works as long as you don't floor it

    You can floor it when cold and it grips but as soon as hot, it slips and judder as hell and throws error

    When switched off and on, problem would go away but if you floor it again when hot same thing

    I flashed ecu and gearbox with daten v67 and that changed things. Now it doesn't judder and slip even when hot but if you push it too much it throws error

    Tonight when revved twice it tried to shift down but it couldn't. It revved, changed gear and quickly changed back up . It did it twice and then throw error and clutch slipped


    It will no longer shift up.
    Error deleted and again fine

    So what i want to ask is , do you think it is the 4 sleeves( 3 round) and one with two square that allows fluid flow that are gone or is it torque?

    It could be also oil level. I did check though and oil was ok .

    Appreciate any opinion here

  2. #2
    Join Date
    Feb 2010
    Location
    Hampshire UK
    Posts
    8,871
    My Cars
    99 840ci Sport Indv
    Yes, the seals shown in section 4 and 7 should always be replaced when the oil is changed:

    http://www.meeknet.co.uk/E64/mecha.pdf
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


    My BMW Repair YouTube Channel
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  3. #3
    Join Date
    Sep 2017
    Location
    London
    Posts
    36
    My Cars
    Bmw
    All of those changed and it is still playing up
    When cold no issues and grips like hell. When hot it slips quite bad
    If it is in D and I floor it resulting in downshift then car vibrates like hell and slips
    If i changed it to manual mode/step tronic then for instance put it in second gear and floor it , it tends to grip most of the time Even when hot
    It can't be solonoid, right? It is most likely tc in my opinion

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