I'm not sure if the 3.0 is the same design, but when I did the RMS on my old 4.4, the housing I guess you would call it for the RMS is also the rearmost part of the oil pan mating surface. I haven't had my trans off of my 3.0 yet.

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02 e53 X5 3.0i Manual Trans
13 e70 X5 xDrive35i
04 Honda S2000