812 miles & 52.12 mpg last tank while paying NO mind to mileage and only modest attention to the speed limit :D
'03 5M, ~120K miles, pp520s, RC3, 0.681 5th, DG down-pipe w/ cat-back, and vented (of course)
An alternative to the ventectomy or 'manual venting' is to fill up till auto click-off...