Can somebody explain to me how BMW and Mercedes diesels are able to pass the emissions test VW can't? My 2015 Jetta TDI has a urea injection system just like BMW and Mercedes. So what else is different?
Can somebody explain to me how BMW and Mercedes diesels are able to pass the emissions test VW can't? My 2015 Jetta TDI has a urea injection system just like BMW and Mercedes. So what else is different?