Definitely, I knew I was going to be replacing as much fluid as possible so I ordered 12 qts. I was not convinced when every kit I saw came with 6 qts and every thing I read said my tranny held 11.5 qts, so I bought 12 and conferred with indy mechanics and friends that had it done and all said to just let it sit and drain as much as possible because the beneficial effect of the new fluid was much less when you have a significant amount of old fluid still in the tranny.
Originally Posted by schpenxel
You really shouldn't get all of it out of the torque converter, although when I pulled the mechatronics out and had everything apart for a few hours to drain, I ended up putting something like 8 quarts in. It's got to be a large part of it though, if you wait long enough
Make sure to buy enough fluid if you're going that route! I BARELY had enough when I did mine last time.
[B]2008 550 - Carbon Black/Black - M-sport, Cold Weather, Premium, NAV, Comfort Access, Logic 7 (LOADED, every option except night vision)
Previous 3 cars (the 550 is my 38th car):
2005 530i - Prem, Sport, NAV
2006 Jeep SRT-8
2003 Infiniti G35 coupe