Just watched the first video, the cam is operating properly. I think your VANOS is messed up or your timing is just f'd. You need to go to Besian site, follow his directions explicitly and see how it goes.

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Dave S.
Northeast
2003 4.6is
2005 E53 4.4
2003 E39 Msport(a REAL ONE!)
1959 Fiat 600