Quote:
Originally Posted by Straightsix
What does the VANOS Filter do i never head of a VANOS Filter?
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Vanos filter is a tiny oil filter which sits at the end of the vanos unit in a pressure valve thingy, it's prone to get clogged which in turn then causes premature wear on the vanos unit itself, as far as I understand it's not a BMW servicable item, it's only changed if you request it.
I change mine every 6-10k as a matter of cause, takes about 10 mins to change it over max.
Part number 3 in the image above