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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
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 2 Post-Cat - E70, E82, E88, E90, E91, E92, E93
FAE Rear Oxygen Sensor - Bank 2 Post-Cat - E70, E82, E88, E90, E91, E...
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T#:1196087
Part#: 11787545075
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$ 78.99 USD
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Fuel control and emissions control sensor
FAE Rear Oxygen Sensor - Bank 1 Post-Cat - E70, E82, E88, E90, E91, E92, E93, Z4
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
FAE Oxygen Sensor - E90, E92, E93
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T#:583149
Part#: 11787537984
Ships on Aug 4, 2026
$ 94.99 USD
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Located on the catalytic converters, 2 required
Oxygen Sensor R55 R56 R57 R58 R59- Priced Each
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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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, E91, E92, E93, Z4
FAE Front Oxygen Sensor - Bank 1 Pre-Cat - E60, E61, E82, E88, E90, E...
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FAE - Corporate Logo
T#:583150
Part#: 11787558055
Ships on Jul 29, 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
Oxygen Sensor - Priced Each
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T#:31622538
Part#: 11787590713
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$ 95.99 USD
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Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55
Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55 ...
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Packaged by Turner - Corporate Logo
T#:55857772
Part#: 11787589475KT2
In Stock
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$ 335.99 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.
Rear Oxygen Sensor Set - N52, N54
Rear Oxygen Sensor Set - N52, N54
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Packaged by Turner - Corporate Logo
T#:55353594
Part#: 11787545074/5KT2
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$ 366.99 USD
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$ 366.99 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.
Front Oxygen Sensor Set - E9x, E82, E88, Z4
Front Oxygen Sensor Set - E9x, E82, E88, Z4
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Packaged by Turner - Corporate Logo
T#:55317713
Part#: BFR1/2O2SKT2
In Stock at Vendor
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$ 323.99 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
Oxygen sensor 77396
Oxygen sensor 77396
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T#:31556134
Part#: 11780872674
Ships in 8 Business Days
$ 74.99 USD
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O2 Sensor Bung and Plug
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
FAE Oxygen Sensor - E60, E63, E64
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T#:583146
Part#: 11787836451
Ships on Aug 4, 2026
$ 86.99 USD
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Bank 2 sensor, after the catalytic converter
FAE Oxygen sensor - E38, E39
FAE Oxygen sensor - E38, E39
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T#:583147
Part#: 11781742051
Ships on Aug 4, 2026
$ 86.99 USD
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Rear, after catalyst

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