Nice.... Keep an eye open for any extra oil leaks...thru valve cover, vanos, etc.

I hooked up the m56 on my '03 530i just like you did and an the Hose you referenced to the intake. Like yourself I capped the smaller nipple on that hose.

But I have a bunch of oil seeping out the vanos area, and my OFHG seems to have failed early, I wonder if don't have enough vacuum on the M56 CCV port.

I think the M56 CCV needs a lot of vacuum...I haven't measured it, but I was thinking of running a second small vacuum hose from the nipple on the hose you used to the distribution pipe that runs across the top of the manifold... Thoughts?