Originally Posted by E90Company
-2F6C is just the exhaust flapper. Did you unplug the actuator in the trunk to do the "exhaust mod?" If so at any point that's the code. Nothing to worry about.
-2F0D has something to do with the coolant system if I can remember. Did you ever have your water pump/thermostat replaced? Or coolant low light?
As far as 2F0D, im not the original owner, so im not terribly sure
Ive had the car for over a year, though, and never got a water pump/thermostat replacement or coolant low warning.