Audi A6 c7 2014 2.0TDI / I have a question. BEM code
 

Hi, I'm not good at English ..I'm from south korea. so..
Audiworld owners. I have a question. My car is Audi a6 c7 2014 2.0TDI. and... when i changing the battery, it needs to correcting code BEM? and exactly, i will have to changing to the AGM battery? if I replace it with a no AGM battery without BEM code?

Just use your original serial number and change the last digit or 2 to something else completely random, This will fool the ecu to think you have changed the battery to an official 'code' version