Fuel trim bank 2 adaption limit
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: Starts great, runs great. Good mileage on freeway, 17 mpg in stop and go traffic.
JA: What is the model/year of your BMW?
Customer: 2003 BMW 330xi
JA: Are you fixing your 330xi yourself? What have you tried so far?
Customer: Yes, full tune up, spark plugs, fuel pump, fuel filter, o2 sensors, etc..
JA: Anything else you want the mechanic to know before I connect you?
Customer: The check engine
light only comes on at about 500 miles, but if I use the Schwaben reader I see the fault right away