I thought that might be the case initially, but you can see in one of the images that the square frames are connected to the surrounding plastic. I tried to push these initially to see if it changed the speed but the speed didn't change on the display. Unless there is a pressure switch underneath that allows for the flexibility of the plastic when you push it. I was thinking there would be a distinct movement but maybe it is so slight that I can't feel it. Anyway, the speed should have changed when I press those frame squares but no.

I will need further investigation. I will try and get a better picture.

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2005 X5 4.4i M Sport
2003 X5 4.4i