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      06-14-2017, 10:18 PM   #73
GearHead335i
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Drives: E90 335i xDrive LCI
Join Date: Dec 2015
Location: Southern New Jersey

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Bought lubegard shudder fix and was wondering if I can just open up the fill plug when the car is cold without any fluid pouring out? Or do I have to drain and your do an entire transmission fluid change?
Appreciate 0