E46Fanatics - View Single Post - Recommended trans fluid - 6 Speed
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Old 10-03-2012, 04:46 PM   #4
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Join Date: Oct 2010
Location: Minnesnowta
Posts: 3,673
My Ride: 4cyl of fury
Regular MTL gets really thick in the cold. Mixing it with ATF helps that issue. Also, ATF has a lot of extra detergents and stuff to help keep the internals nice and clean.

I use RP synchromax in mine and it gets pretty thick in the cold, I plan on changing to the mixed method when I change the fluid next.
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