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Help!! 118602 Error Code
I'm seeing an error code 118602 - Oxygen sensor before catalytic converter, fine mixture control: exhaust gas after catalytic converter too lean
The Check Engine Light hasn't come on but it did twice for a day or two and went away during my long trips about a month back. The vehicle is 2016 528i and is completely stock. It's still under warranty and has 41k miles.
Will the BMW dealership diagnose the vehicle under warranty and replace the O2 Sensor even though there's no Check Engine Light? I had the vehicle serviced at the dealer last month and they said everything's good with the car.
Any advise would be appreciated!
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