| 2000 540i setting dme code 26 & 27. car runs great. checked for air leak w/ smoke test, unable to find a leak(cold & hot), fuel pressure correct. customer states check engine light off/on at times. service on this car done, ie plugs/filters, crank case vacuum correct, stock car w/ new pre cat o2 sensors. I'm thinking dme update that i'm not aware of...??? |