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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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Schwaben 7/8"(22mm) Flexible Oxygen Sensor Wrench
Schwaben 7/8"(22mm) Flexible Oxygen Sensor Wrench
10X Entries Into Our F80 M3 Sweepstakes
Schwaben - Corporate Logo
T#:368923
Part#: FO-78
In Stock
Sale - Save 25% $ 48.99

This product was last offered at the strikethrough price on
05-02-2026

$ 36.74 USD
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Sale - Save 25%
$ 48.99

This product was last offered at the strikethrough price on
05-02-2026

$ 36.74 USD
Free Shipping on orders $49 and up
Add to Wish List
The Schwaben oxygen sensor wrench has a six-point pivot head to provide a secure grip on stubbornly tight oxygen sensors located in awkward, inaccessible locations.
Rear Oxygen Sensor Set - N52, N54
Rear Oxygen Sensor Set - N52, N54
10X Entries Into Our F80 M3 Sweepstakes
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.
Front Oxygen Sensor Set - E9x, E82, E88, Z4
Front Oxygen Sensor Set - E9x, E82, E88, Z4
10X Entries Into Our F80 M3 Sweepstakes
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

$ 335.99 USD
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$ 335.99 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
Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55
Bosch Oxygen Sensor Set - Pre and Post Catalytic Converter - N55 ...
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:55857772
Part#: 11787589475KT2
In Stock
New Item
$ 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.
Bosch Oxygen Sensors - Bank 1 And 2 Pre-Cat - N52
Bosch Oxygen Sensors - Bank 1 And 2 Pre-Cat - N52
10X Entries Into Our F80 M3 Sweepstakes
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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Oxygen Sensor
Oxygen Sensor
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55353609
Part#: 11787558054
Ships on Nov 3, 2026
New Item
$ 134.99 USD
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$ 134.99 USD
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This Meyle pre-catalytic broadband oxygen sensor is a direct replacement for your tired, slow-responding factory sensor.
NOx Sensor - SCR-Type Catalytic Converter
NOx Sensor - SCR-Type Catalytic Converter
Febi - Corporate Logo
T#:56616356
Part#: 13627812528
Special Order: No Guaranteed ETA
New Item
$ 268.99 USD
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$ 268.99 USD
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Keep your BMW’s emissions control working with the precise calibration it demands with this Febi Bilstein NOx Sensor.
Oxygen Sensor
Oxygen Sensor
Febi - Corporate Logo
T#:56254780
Part#: 11787836451
Special Order: No Guaranteed ETA
New Item
$ 63.99 USD
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$ 63.99 USD
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This Febi Bilstein oxygen sensor is designed as a direct OEM-spec replacement to keep your engine management system operating with pin-point accuracy.
Oxygen Sensor
Oxygen Sensor
Febi - Corporate Logo
T#:56254844
Part#: 11787512973
Special Order: No Guaranteed ETA
New Item
$ 62.99 USD
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$ 62.99 USD
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Maintain peak engine performance and precise air/fuel ratio telemetry with the Febi Bilstein Heated Oxygen Sensor.
Oxygen Sensor
Oxygen Sensor
Febi - Corporate Logo
T#:56254778
Part#: 11781743994
Special Order: No Guaranteed ETA
New Item
$ 62.99 USD
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$ 62.99 USD
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This Febi Bilstein Oxygen Sensor provides a high-quality OEM replacement option built to precise vehicle specifications.
MEYLE NOx Sensor - Urea Injection - BMW FXX, EXX
MEYLE NOx Sensor - Urea Injection - BMW FXX, EXX
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:52621848
Part#: MEX1581
Ships on Nov 3, 2026
New Item
$ 291.99 USD
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$ 291.99 USD
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Maintain your BMW’s clean-diesel performance with the MEYLE MEX1581 NOx Sensor.
Upstream NOx Sensor
Upstream NOx Sensor
Febi - Corporate Logo
T#:56254774
Part#: 13628589846
Special Order: No Guaranteed ETA
New Item
$ 312.99 USD
Free Shipping on orders $49 and up
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$ 312.99 USD
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Maintain peak performance and emissions compliance on your BMW with this replacement upstream NOx sensor by Febi Bilstein.

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