I'm not sure how the V11's are set up, but my BM's got
couplings in the feed and return fuel lines. The placky ones
don't last - I got good metal, self sealing quick disconnects
with Vitton "O" rings from Quick Couplings in the States. I
just disconnect the fuel pump, then the couplings and pull the
tank, no spillage.
Would that be easier for you guys too?
Cheers Maurie.