Ngwa maka BMW,
OEM: 857646901 , 5WK9 6697B , 5WK96697B
NOX na-anọchi anya nitrogen oxides kacha mkpa, ya bụ nitrogen monoxide (NO) na nitrogen dioxide (NO2), ma mejupụtara atọm N (nitrogen) na O (oxygen).Ihe mmetụta NOx na-atụle mkpokọta oxygen na nitrogen oxide n'ime ngwakọta nke gas na-ekpochapụ ma nwee ike ịnọ n'azụ na n'ihu ihe nrụpụta SCR.Ha na-eme ka o kwe omume ịlele ọrụ nke usoro nhicha gas na-ekpochapụ ma chọpụta kpọmkwem mgbe a ga-arụ ọrụ nlekọta ma ọ bụ mgbe ọ dị mkpa ka dochie ihe ndị na-adịghị mma.