Quote:
Originally Posted by alphaod
On the original N63 some of the original filter housings had a drain plug that you could remove to drain the oil in the filter housing before unscrewing the whole thing. The small O-ring was for that drain plug.
But since our current filter housings do not have this drain plug you can dispose of the small O-ring.
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Thanks. I ended up reinstalling without that o-ring b/c it just wasn't adding up. Figured the filter is used on multiple engines or something. But now that you mention it, a filter drain would be amazing on this thing!