That's the best way to go at it. Take your time. Another good read it the vanos oring procedure on beisan web sight. German auto solutions also has good instructions on how to time the engine using their kit. It is only their kit but gives you a good idea on how it works.

I am just starting mine and the weather hasn't been habitable (Wisconsin) but hope to make some headway soon.

Another way to check the health of the engine is to pull the lower pan. $10 gasket and it is all accessible from the bottom without removing anything. Drop the pan and see if there are any plastic shrapnel from the guides. A good time to check oil pump bolts too.


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2003 X5 4.4 2002 530I