So far it is holding up really well. Had a few spills, coffee and soda courtesy of my 15 year old and her friends. Wiped right off with no issues. I find it very comfortable, if not quite as nice as my 840i's Merino. If I was ordering a car today, I would choose the leather for the smell and the extra softness, but I am not unhappy with the Sensafin.
I like the open pore wood, but since I didn't order this car I have the fineline. I like it, my wife has it in her X7.