hello BMW techs... i am stumped on this 3 series bemmer, having a hard time passing state emission test for excess. NOx at both 15 & 25mph. reading listed above, idle is the 15mph and cruise is 25mph. vehicle came in after failing at test only for NOx reading ...

FIX posted 4/9/2008

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle