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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

In Stock

$ 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

In Stock

$ 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 23, 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 18, 2026

$ 117.99 USD

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$ 117.99 USD

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Fuel control and emissions control sensor

Oxygen Sensor - Priced Each

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T#:31622538

Part#: 11787590713

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$ 101.99 USD

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$ 101.99 USD

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Rear Oxygen Sensor Set - N52, N54

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T#:55353594

Part#: 11787545074/5KT2

In Stock

Sale - Save 3% $ 366.99

This product was last offered at the strikethrough price on
10-28-2026

$ 355.63 USD

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Sale - Save 3%

$ 366.99

This product was last offered at the strikethrough price on
10-28-2026

$ 355.63 USD

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Sluggish oxygen sensors do a lot more than just light up your dashboard with an annoying Check Engine Light—they directly choke your BMW’s performance.

Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55 ...

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T#:55857772

Part#: 11787589475KT2

In Stock

$ 342.99 USD

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$ 342.99 USD

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Extreme exhaust heat and carbon buildup degrade your factory oxygen sensors over time, sending lazy data to your DME and robbing you of performance.

Front Oxygen Sensor Set - E9x, E82, E88, Z4

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T#:55317713

Part#: BFR1/2O2SKT2

In Stock

Sale - Save 19% $ 400.99

This product was last offered at the strikethrough price on
07-14-2026

$ 325.67 USD

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Sale - Save 19%

$ 400.99

This product was last offered at the strikethrough price on
07-14-2026

$ 325.67 USD

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Over time, that degradation robs your BMW of its crisp throttle response, tanks your fuel economy, and leaves you staring at a failed emissions ticket

Bosch Oxygen Sensors - Bank 1 And 2 Pre-Cat - N52

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T#:56110313

Part#: 11787558055KT

In Stock

Sale - Save 6% $ 307.99

This product was last offered at the strikethrough price on
08-13-2026

$ 289.50 USD

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Sale - Save 6%

$ 307.99

This product was last offered at the strikethrough price on
08-13-2026

$ 289.50 USD

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Your engine's air fuel ratio needs to be dead on. Worn out factory pre-cat oxygen sensors delay vital data to the DME, leading to sub optimal fueling, lost horsepower, and dangerous hesitation under load.

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Vitesco Oxygen Sensor/Lambda Probe - 415mm - F3X 328d, E70 35d, F15 x...

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T#:33446263

Part#: 13628589844

In Stock

$ 442.99 USD

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$ 442.99 USD

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Oxygen sensors measure exhaust oxygen. Their signals are used by the vehicle computer to adjust the air/fuel ratio and test vehicle emissions. Degraded oxygen sensors reduce engine performance and fuel efficiency, and increase harmful tailpipe emissions. They can also turn on the Check Engine Light and cause a car to fail an emissions test.

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Oxygen sensor 77396

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T#:31556134

Part#: 11780872674

Ships in 8 Business Days

$ 77.99 USD

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Vitesco Oxygen Sensor/Lambda Probe - 915mm - BMW E90 335d, E70 35d, F...

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T#:33446261

Part#: 13628589846

Ships in 1 day

$ 546.98 USD

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$ 546.98 USD

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Oxygen sensors are used to adjust the air/fuel ratio and test vehicle emissions. Degraded oxygen sensors reduce engine performance and fuel efficiency, and increase tailpipe emissions. They can cause a car to fail an emissions test. Restore your emissions system with a new NOx Sensor from Vitesco.

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Vitesco Oxygen Sensor Kit - F30/31 N47, E70 M57

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T#:33446269

Part#: 13628589844KT

Ships in 1 day

$ 989.99 USD

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$ 989.99 USD

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Includes both rear NOx Sensors for your BMW. A Vitesco Technologies Kit.

O2 Sensor Bung and Plug

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T#:339000

Part#: TEN9949O2S

Ships in 6 Business Days

Starting at $ 12.95 USD

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Starting at $ 12.95 USD

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This weld-in bung allows an O2 sensor to be screwed into your exhaust system. It's required for custom exhaust systems, and is also useful for air/fuel ratio measurements when dyno testing.

FAE Oxygen Sensor - E60, E63, E64

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T#:583146

Part#: 11787836451

Ships on Nov 23, 2026

$ 86.99 USD

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$ 86.99 USD

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Bank 2 sensor, after the catalytic converter

FAE Oxygen sensor - E38, E39

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T#:583147

Part#: 11781742051

Ships on Nov 23, 2026

$ 86.99 USD

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$ 86.99 USD

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Rear, after catalyst

Nitrogen Oxide Sensor (NOx Sensor) - Rear - E90 335d, F25 28dX ...

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T#:33446273

Part#: 13628589845

Back Ordered

$ 394.99 USD

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$ 394.99 USD

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A degraded NOx Sensor can cause your vehicle to have a check engine light and poor performance. Restore your emissions system with a new NOx Sensor from Vitesco!

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Replacement (19)

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Oxygen Sensors

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