well...its from the angle of the phone camera, the original one from my car is closer to the camera, so that is why it "looks" like the original one is longer than the 545i. if i measure it, it would be like the same length from the pivot. or not exact, then i can guarantee that it will be no more or less than 1mm difference!
i checked the part number like the part number from your very first post (25117546373), and it is the same part number. so i was hoping that it would be shorter than the one that i currently have, if not an inch different then maybe a 1/4 of an inch then i would be happy. and yes, 1/4 of an inch or 1 in would look a day and a night different, especially with the knob that i have on now.
im posting this up not saying that you are wrong or posting up wrong info, but im posting this up so that hopefully other members out there might be aware of this if maybe their car might be similar to mine.