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      11-26-2010, 07:12 PM   #9
VictorH
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Drives: '09 M3
Join Date: Dec 2007
Location: SC

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Quote:
Originally Posted by rldzhao View Post
I think the whole point of the computer is to read the transmission temp to ensure that it is around 40 deg. C when you perform the top off. I suppose you could stick a thermometer through the hole to measure the temp.
Good point! That would be great if it's just for tranny temp (perhaps an OBD reader could read that too). Then from the sounds of it, after draining all the DCT fluid you fill it up until it runs out of the fill whole, this evidently is then 1.5L low. Then start the motor, run at 2,000 rpm and when trans temp is 40C, keep motor running and add the last 1.5L or so of fluid until it runs out the fill hole. Does that sound right to everyone?
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