I am amazed that there are no videos nor instructions out there on the internet considering that the B-series engine has been out there for a few years now. I'd like to tackle this myself, but, oh man, it is a big spider web in the engine compartment!
https://f30.bimmerpost.com/forums/at...2&d=1433865884
https://f30.bimmerpost.com/forums/at...3&d=1433865884