I found the correct link...
Pelican Technical Article - BMW E60 - N62 8 Cylinder Valvetronic Motor and Seal Replacement

I must say I'm amazed and surprised at the number of DIY articles specific to N62 engine in Pelican articles- valve covers, intake manifold, air cooled alternator, coolant pipe, water pump, thermostat, etc; and they're very detailed with lots of pictures! What a gold mine of info on the N62 engine DIY!!! They're not as common to come by as for the M62 engine.

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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M.