http://www.flyertalk.com/forum/onewo...l#post11040931
If departing LAX on QF, I try to route through to T4 and use the F/L there before using the ½ hourly airside bus over to TBIT at least an hour before my TBIT flight. (Once or twice, I have actually obtained my BP at TBIT check-in/OLCI, walked over to T4 and headed though security
).