To my eye,
http://www.sjscycles.co.uk/brompton-...pedf-prod2922/
reflector different, machined off a couple grams of aluminum,
from the square face Fore and Aft. vs 2011, the square one:
http://www.bikeforums.net/showthread...7#post14281737

and plastic center latch panel mech slightly different.

new pedal core plug appears to be broached straight thru.
so hex hole is straight thru it.
http://www.sjscycles.co.uk/brompton-...olt-prod13730/