You need to have the O2 Sensor within 1/4 inch of the Original location so the computer can measure effectively, otherwise you risk a CEL.
Since your car is very new, there is no need to replace them. Keep in mind they are fragile, so be sure not to damage them.
If there is No O2 sensor bungs to fit them in, take it to your local muffler shop where they can drill a hole and weld in an O2 sensor bung near the OEM location so you may screw in the O2 sensor.
KRZ
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