Did you do post mortem? When i did wife's after 15 years it still had plenty of life bit it was charcoal black on the inlet side! Definitely did it's job filtering roughly 9500 gallons of gas. Was interesting to see it cut in half and the black goo pour out the dirty side.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)