I've driven a few E92's with the N55. Love the motor. I test drove the diesel and it was surely a lot quieter than the big trucks. My sales guy was pushing me to purchase it, but I was dead set on the N55. Maybe next time I'll dive into the BMW diesel world.

__________________
2013 X5 Xdrive35i Premium
2013 F30 328i
2004 Mustang GT Very Modded...