It took them 1.5 hour including with a car wash and lifting up my car for tires wear recommendation. Based on this post and other videos I watched on Youtube, it sounded the valve is underneath the manifold.
https://www.xbimmers.com/forums/show...3#post29795393
So I marked the plastic pins (the one holding down the intake tubing )with two special marking and didn't see them get moved. Maybe they worked from under?
This is an 2009 X5 3.0 suv.
Job description by dealer: Retrofitting fuse and fuse carrier for angle piece (blow-by heater) and checking functionality per SIB 11 01 22.