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1400Mm Length Oxygen Sensor, For The Upstream Position On Bank 1 (Cylinders 1-3)
Upstream Or Front Oxygen Sensors Are Responsible For Measuring The Exhaust As It Comes Out Of The Engine. This Information Is Used By Your Bmw'S Dme To Adjust Fuel Trim. Failed Oxygen Sensors Can Cause A Check Engine Light As Well As Performance Issues.
Oxygen Sensor
Your Vehicle'S Oxygen Sensor Works With Your Engine Control Unit To Optimize Your Engine'S Performance. The Oxygen Sensor Is Measure The Proportion Of Oxygen In The Exhaust Sends Input Back To The Engine Control Unit So It Can Modify The Vehicle'S Air Fuel Ratio Based Off Of It'S Current Conditions. In Doing So Your Oxygen Sensor Is A Major Part Of Your Vehicle Engine Management And Fuel Consumption.
Oxygen Sensor Failure Symptoms
