E46Fanatics - View Single Post - Transmission Fluid & Filter Questions
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Old 10-16-2011, 12:36 PM   #2
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Join Date: Jun 2010
Location: CT
Posts: 2,137
My Ride: 2001 325i
There is not a drain on the torque converter. Figure you're leaving 1-2L of original fluid in there when you just drain the fluid. Some like to do the multi-drain process to get to one fluid, which seems an expensive way to go. I used OEM fluid (VW version through discounting VW dealer), so that wasn't a concern. If you are going to do a multi-drain process, you might consider whether it's worthwhile to drain the lines to the oil cooler. Can't comment on ease or pain of doing that.
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