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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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Vitesco Oxygen Sensor/Lambda Probe - 415mm - F3X 328d, E70 35d, F15 xDrive35d
Vitesco Oxygen Sensor/Lambda Probe - 415mm - F3X 328d, E70 35d, F15 x...
Vitesco Technologies - Corporate Logo
T#:33446263
Part#: 13628589844
In Stock
Sale - Save 5% $ 442.99

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

$ 420.84 USD
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Sale - Save 5%
$ 442.99

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

$ 420.84 USD
Free Shipping on orders $49 and up
Add to Wish List
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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Bosch Oxygen Sensors - Bank 1 And 2 Pre-Cat - N52
Bosch Oxygen Sensors - Bank 1 And 2 Pre-Cat - N52
Packaged by Turner - Corporate Logo
T#:56110313
Part#: 11787558055KT
In Stock
New Item
$ 307.99

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

$ 304.99 USD
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$ 304.99 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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Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55
Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55 ...
Packaged by Turner - Corporate Logo
T#:55857772
Part#: 11787589475KT2
In Stock
New Item
$ 335.99 USD
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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.
Front Oxygen Sensor Set - E9x, E82, E88, Z4
Front Oxygen Sensor Set - E9x, E82, E88, Z4
Packaged by Turner - Corporate Logo
T#:55317713
Part#: BFR1/2O2SKT2
In Stock
New Item
$ 400.99

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

$ 333.99 USD
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$ 333.99 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
Rear Oxygen Sensor Set - N52, N54
Rear Oxygen Sensor Set - N52, N54
Packaged by Turner - Corporate Logo
T#:55353594
Part#: 11787545074/5KT2
In Stock
New Item
$ 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.
Vitesco Oxygen Sensor Kit - F30/31 N47, E70 M57
Vitesco Oxygen Sensor Kit - F30/31 N47, E70 M57
Vitesco Technologies - Corporate Logo
T#:33446269
Part#: 13628589844KT
Ships in 1-2 days
$ 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.
Vitesco Oxygen Sensor/Lambda Probe - 915mm - BMW E90 335d, E70 35d, F3x 328d, F25 28dX
Vitesco Oxygen Sensor/Lambda Probe - 915mm - BMW E90 335d, E70 35d, F...
Vitesco Technologies - Corporate Logo
T#:33446261
Part#: 13628589846
Ships in 1-2 days
$ 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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O2 Sensor Bung and Plug
O2 Sensor Bung and Plug
Packaged by Turner - Corporate Logo
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.
Nitrogen Oxide Sensor (NOx Sensor) - Rear - E90 335d, F25 28dX
Nitrogen Oxide Sensor (NOx Sensor) - Rear - E90 335d, F25 28dX ...
Vitesco Technologies - Corporate Logo
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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