+1 - used several - they can go this long for sure - but based on my first and second cut opens - I'd be conservative on the 1st filter. They are coming behind a coarse filter in the pan - so on a pan drop change they have to filter a high percent of old fluid with a tiny filter element - plus on the first run the magnet can fuzz up allot.
On the B&M drain plugs - I tossed nylon seal for copper crush washers.