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      05-04-2011, 03:15 PM   #96
Lieutenant Colonel

Drives: 2011 E90 M3
Join Date: Aug 2009
Location: Orange County, California

iTrader: (1)

Originally Posted by elp_jc View Post
Yep, but I'd call it a strainer, not a filter; it's not that fine of a mesh. It's the big, black bolt (32mm, I think) on the passenger side of the tranny. It's a metal screen, probably there to catch any assembly debris. Checked mine when I changed to RP at 8K miles and it was clean as a whistle. And sorry; no pic. Oh, and unlike the drain/fill plugs, that bolt has a crush washer, so either buy a replacement or have 400-grit sandpaper ready to sand it smooth (what's what I did). Good luck.
Good to know. Thank you!