Oxygen Sensors for BMW 3 Series E93 (2007-2013)

Clear BMW chassis

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 - Downstream Catalytic Converter

10X Entries Into Our F80 M3 Sweepstakes

T#:27105147

Part#: 11787589475

In Stock

Sale - Save 15% $ 130.99

This product was last offered at the strikethrough price on
09-16-2026

$ 111.34 USD

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Sale - Save 15%

$ 130.99

This product was last offered at the strikethrough price on
09-16-2026

$ 111.34 USD

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Oxygen Sensor

10X Entries Into Our F80 M3 Sweepstakes

T#:27105145

Part#: 11787545075

In Stock

Sale - Save 15% $ 115.99

This product was last offered at the strikethrough price on
09-16-2026

$ 98.59 USD

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Sale - Save 15%

$ 115.99

This product was last offered at the strikethrough price on
09-16-2026

$ 98.59 USD

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Rear Oxygen Sensor Set - N52, N54

10X Entries Into Our F80 M3 Sweepstakes

T#:55353594

Part#: 11787545074/5KT2

In Stock

$ 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.

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

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T#:55857772

Part#: 11787589475KT2

In Stock

$ 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

10X Entries Into Our F80 M3 Sweepstakes

T#:55317713

Part#: BFR1/2O2SKT2

In Stock

$ 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 Sensors - Bank 1 And 2 Pre-Cat - N52

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T#:56110313

Part#: 11787558055KT

In Stock

$ 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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Front Oxygen Sensor - Bank 2 Pre-Cat

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T#:55497441

Part#: 11787558087

Ships on Nov 10, 2026

Sale - Save 10% $ 109.99

This product was last offered at the strikethrough price on
10-08-2026

$ 98.99 USD

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$ 109.99

This product was last offered at the strikethrough price on
10-08-2026

$ 98.99 USD

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Oxygen Sensor

10X Entries Into Our F80 M3 Sweepstakes

T#:56001972

Part#: 11787596924

Ships on Nov 19, 2026

Sale - Save 10% $ 125.99

This product was last offered at the strikethrough price on
10-08-2026

$ 113.39 USD

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$ 125.99

This product was last offered at the strikethrough price on
10-08-2026

$ 113.39 USD

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Rear Oxygen Sensor - Bank 1 Post-Cat

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T#:57340375

Part#: 11787545074

Ships on Dec 29, 2026

Sale - Save 10% $ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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$ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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E9X M3 Oxygen Sensor - Priced Each

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T#:57267803

Part#: 11787537984

Ships on Dec 29, 2026

Sale - Save 10% $ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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$ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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E9X M3 Oxygen Sensor - Black

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T#:58234534

Part#: 11787539125

Ships on Jan 28, 2027

Sale - Save 10% $ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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$ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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Front Oxygen Sensor - Bank 1 Pre-Cat

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T#:54780515

Part#: 11787558055

Special Order: No Guaranteed ETA

Sale - Save 10% $ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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$ 99.99

This product was last offered at the strikethrough price on
10-08-2026

$ 89.99 USD

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02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...

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T#:47439371

Part#: 02SB1815

Ships on May 7, 2027

Sale - Save 39% $ 3.99

This product was last offered at the strikethrough price on
05-03-2026

$ 2.44 USD

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Sale - Save 39%

$ 3.99

This product was last offered at the strikethrough price on
05-03-2026

$ 2.44 USD

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Easily add an oxygen sensor to your custom exhaust setup with this universal O2 sensor bung. Designed for simple weld-on installation, it allows you to place your sensor exactly where you need it—perfect for custom builds, exhaust modifications, or performance tuning projects.

Features:

CNC-cut from T304 Stainless Steel for corrosion resistance
Threaded for M18x1.5mm RH oxygen sensors

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