Originally Posted by
firstlight
You can't. 2A and 2B are on different sides of the airport; after security in 2B and after security and passport control in 2A. Extime lounge is better than AA imho but not as good as Cathay; but it's academic comparison as Cathay is shut and so is AA in the evening, extime is open to 9pm I think
I was under the impression the Extime lounge was not available to BA business class travelers.