I have a 2012 Countryman S All4. I just replaced the coolant pipe and the thermostat housing since there was a minor coolant leak. It now sounds like it's struggling and won't actually start.
I disconnected and reconnected the battery and got error codes P007B, P007D, and P10E2.
everything was fine before I replaced the thermostat housing.
What could be wrong? I'm quite sure the connections are correct and firm.

 

Bump

 

Check the connections related to the codes you're getting. Perhaps in doing the work, some of these other unrelated areas got affected in the process.

 

+1 Something was not connected right, you might have a extra plug not connected or something mixed up. Also make sure you did not pinch a wire.