Abgasnorm
The version of 2010 of the 2.5 TDI CR engine was redesigned, correcting the previous problems of turbo failure. An update on the engine was also released, under the guise of "Blue TDI", which used AdBlue - or diesel exhaust fluid (DEF) - in combination with a DPF to attain the more stringent Euro V EEV European emission standards.