Quote:
Originally Posted by Critical Drew
Thanks James, I'm still interested in finding a cause for the issue. I have been running Sport mode and have been trouble free. A few times I have operated the Trans in normal mode and if the shudder began I switch over to sport mode immediately and the isue disappears.
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Hi there,I am getting fed up with this problem and the shop that rebuilt the tranny.I get no shudder in Sports,but I am not a huge fan of that mode for my daily commute.
Firstly I found out that the fluid was poured into it after rebuilt was a Dexron IV ,not good for the ZF tranny,so I bought Mobile Super Multivehicle ATF LT 71141 which ZF and BMW recommending.The shop did two flushes which are about 75% of fresh fluid and about 25% old Dexron IV in it,I don't really know if it's good to mix those together,but I honestly don't have another choice right now.
It shudders the same as before the flushes,it's always right before the shift from 3rd to 4th,and once in the while at 20km/h from 2nd to 3rd.
Doesn't matter if I go uphill or just a plain street....
Sooo frustrated.
Should I bring it to the dealership especially for tranny diagnostic?