BMW E83 X3 M54 2.5L Oxygen Sensors & Replacement Parts

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Oxygen Sensor - Front Or Rear Manifold

Located in the front position of the exhaust manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ES#:: 5503743
Mfg#:: 11787523434

Qty: Availability:

Ships on Dec 14, 2026

$119.99 USD

Lifetime Replacement

More About Oxygen Sensors & Replacement Parts

A common source of check engine lights is a failed or failing oxygen sensor. When the O2 sensor can't register oxygen content before and after your catalytic converter, it doesn't know what to do with the fuel mixture and will default to run rich. Replace old failing oxygen sensors with OEM O2 sensors or quality aftermarket O2 sensors if you're looking to save a few bucks.

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Manufacturer names and/or part numbers are used only for identification purposes.