I've only flown CFM A319/320s - with easyJet (so the A319-111 and A320-214) - on the CFMs in our fleet Green Dot is (Gross Weight X 2) + 85 for both the 319 and 320.
A BA pilot could probably help you best as I think they have many different variants across a wide range of MSNs.
Last edited by WhyByFlier; 9th July 2013 at 21:09.