Edit: never mind my suggestions below. After searching for info for the last 20 minutes...I started seeing threads where you asked about this issue back in July/2014 (
http://www.xoutpost.com/1002043-post8.html). Kind of wish you had made this fact a bit more pronounced that you had been searching for this issue for awhile...I assumed this was a new issue for you and not something you've already been asking/searching info for.
Good luck...and if you get a resolution...please post back with your outcome in a new thread so that anyone else that may have the same issue will have some recourse or path to follow as well as to find doing a search.
Ignore below:
Here's some similar threads started by BMW owners with N62 engines that got the same code. And you may want to find out more about this BMW service bulletin (SIB 12 15 05). You may need to check with your local BMW dealership to have them print it out...of maybe a google search (type BMW SIB 12 15 05) to see if someone online has printed it out already: