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Oxygen Sensors

Oxygen sensors constantly monitor engine emissions and relays this data to the DME. Using these readings the computer determines the proper air/fuel mixture as well as how efficiently the catalyst system is functioning. Symptoms of a failed oxygen sensor range from an EML to poor fuel economy and severe loss of power. A failed upstream sensor will typically cause the engine to run poorly and a failed downstream sensor will typically present as a catalyst efficiency code.

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Oxygen Sensor - N14 / N18 1.6L Engine Priced Each 77433

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T#:23383309

Part#: 11787548961

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$ 74.99 USD

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Experience a precise fuel-air mixture monitoring system with this Oxygen Sensor designed for your BMW. This heated sensor, ideal for the post-cat, ensures accurate data transmission to the ECU for optimal engine performance. If you're experiencing a drastic drop in gas mileage, replacing your O2 sensor might be the solution to your Check Engine light woes.

Benefits:

Monitors fuel-air mixture for optimum engine performance
Heated sensor type for post-cat efficiency
Helps maintain gas mileage
Essential component for resolving Check Engine light issues

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FAE Rear Oxygen Sensor - Bank 1 Post-Cat - E70, E82, E88, E90, E91, E...

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T#:1196086

Part#: 11787545074

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$ 90.99 USD

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$ 90.99 USD

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Fuel control and emissions control sensor

FAE Oxygen Sensor - E90, E92, E93

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T#:583149

Part#: 11787537984

Ships on Nov 20, 2026

$ 121.99 USD

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$ 121.99 USD

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Located on the catalytic converters, 2 required

FAE Rear Oxygen Sensor - Bank 2 Post-Cat - E70, E82, E88, E90, E91, E...

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T#:1196087

Part#: 11787545075

Ships in 7 Business Days

$ 100.99 USD

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$ 100.99 USD

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Fuel control and emissions control sensor

Oxygen Sensor R55 R56 R57 R58 R59- Priced Each

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T#:26238379

Part#: 11787549860

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$ 104.99 USD

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$ 104.99 USD

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Ensure optimal engine performance with the FAE Oxygen Sensor for your MINI. Designed to read the fuel-air mixture, this heated sensor communicates with the ECU to maintain peak performance levels. Detect issues early and prevent a drop in gas mileage with this pre-cat oxygen sensor.

Monitors fuel-air mixture for optimal engine performance
Heated sensor type ensures accurate readings
Early detection of sensor issues prevents a decrease in gas mileage
Also known as a Lambda Probe
FAE brand product guarantees quality and reliability

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FAE Front Oxygen Sensor - Bank 1 Pre-Cat - E60, E61, E82, E88, E90, E...

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T#:583150

Part#: 11787558055

Ships on Nov 17, 2026

$ 117.99 USD

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$ 117.99 USD

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Fuel control and emissions control sensor

Rear Bank 2 Post-Cat Oxygen Sensor - 490mm - E70 E83 E82/88 E9X (N5X ...

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T#:4934915

Part#: 3148030031

Ships on Nov 19, 2026

$ 112.99 USD

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$ 112.99 USD

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The oxygen sensor is vital to the performance and drivability of your car. The engine computer relies on data from the sensor to make adjustments in engine efficiency and performance. When your BMW oxygen sensor fails, the computer can no longer sense the air/fuel ratio, so it ends up guessing -- resulting in poor performance, poor gas mileage, and increased pollution. Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to, by simply changing your oxygen sensor today. There is no lifespan on O2 sensors but there are several fault codes that indicate a failed sensor (O2 monitoring, cat efficiency, O2 heating circuit, O2 readiness, and others). The O2 sensor is heated and has a self-calibration feature so once you get the codes or feel performance has suffered, a new sensor is a good starting point to get you back to peak performance. This oxygen sensor for BMW's with the N52, N54, and N55 3.0L engines. This 490mm bank 2 oxygen sensor is mounted after the catalytic converter.

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Oxygen Sensor - Priced Each

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T#:31622538

Part#: 11787590713

Ships in 1 Business Day

$ 101.99 USD

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$ 101.99 USD

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Oxygen sensor 77396

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T#:31556134

Part#: 11780872674

Ships in 9 Business Days

$ 77.99 USD

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$ 77.99 USD

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FAE Oxygen sensor - E38, E39

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T#:583147

Part#: 11781742051

Ships on Nov 20, 2026

$ 86.99 USD

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$ 86.99 USD

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Rear, after catalyst

FAE Oxygen Sensor - E60, E63, E64

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T#:583146

Part#: 11787836451

Ships on Nov 20, 2026

$ 86.99 USD

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$ 86.99 USD

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Bank 2 sensor, after the catalytic converter

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Oxygen Sensors

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