Add me to the list.
I puked a little but when the dealership quoted their price so many thanks for posting this DIY. My only hesitations right now are lack of free time and a general distaste for working on cars in cold weather. But that labor price is nuts.
Question: they suggested perhaps attempting to replace the sensor first since it is the cheaper route and might also be the problem. Good idea? I was actually a bit surprised that the codes wouldn't tell them more precisely what should be replaced...
A gen-u-ine BMW eff-eight-zero with them tandem clutches in the transmission and that dad gum sun roof on the top-a da cawr.