sorry to be coming in late to the party here!
but, any one ever have a "vanos rattle" as described by beisan systems where the axial load of the bearing in the Vanos piston causes a rattle at resonant frequency?? just wondering if this is a problem in our X5 3.0l engines, I started looking at doing the valve cover gaskets on mine, and thought, hmm while I'm in there may as well do the vanos seals, then got reading, and the vanos rattle kits too, and ... pretty soon its gonna be , while I am in there may as well pull the head and then rebore the block and since I am in this far, rebuild the tranny, and and and ! !!
any help as to where to stop???!!!
My 3.0 performs flawlessly, aside from an occasional oil leak from the rear of the valve cover gasket.
i heard that the new gaskets are now made from vitron? (spelling??)
so they should be much better!
I will be doing the valve cover gaskets, and the vanos seals, but should i stop here or continue on with the rattle repair as well, especially since i dont have any noticeable rattle at this time!
Thanx, my name is Riemer, and i drive a BMW!!! *sounds like the start to a 12 step group meeting!!!!!

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2003 X5 3.0i (02/2003) sport package, Sapphire black metallic / Black Dakota Sport seats. compass mirror retrofit, trailer hitch retrofit, Prodigy P2 trailer brake controller installed, PDC retrofit, Lumbar support retrofit. heated rear seats retrofitted. Running boards retrofitted and subwoofer install in progress. 4.8is Brakes installed front and back. Bluetooth TCU installed, Rear Fog lights installed. Retrofitted reclining rear seat backs.