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Originally Posted by Qsilver7
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Interesting info. This all agrees with my observations on my 2001 3.0i.
The last paragraph there fits with something I've noticed while doing the ATF changes. In those, before checking the ATF level, you're supposed to run through all the gears. Since I'd like to do the ATF change while just two wheels are jacked up on my sloping driveway, I tried keeping the foot on the brake, shifting into steptronic, and then upshifting through the gears. I found I was able to command gears up to M5, but it would always immediately revert to M2, and from feel, it seemed that no attempted shift was actually happening, EXACTLY as specified above. So I concluded that it never really got past M2, and adjusted my ATF-change procedure accordingly.
I actually asked the list at the time if it were really shifting and was confidently assured it was (I did not believe the answer), and now seeing this specific BMW info, this seems to be correct. And anyone doing their own ATF change may be interested in this.