The trick is always to just use the website of the airline you’re flying with. With QR its the same PNR as BA, so it’s quite easy
i thought that would be the case but booked an Alaskan Airlines flight for a US trip a month ago, provided the BA club number and i am still awaiting for BA to credit me anything. I have read they will ask for the boarding ticket and as it was an e-ticket then it was deleted so i think i will have. Problem there.
Also (any i am not sure on this) but if through BA site with BA exec club don’t you get free seat selection whereas through Qatar’s site with BA exec, some of the seats are being charged?