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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 - 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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$ 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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$ 115.99

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

$ 98.59 USD

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Oxygen Sensor

10X Entries Into Our F80 M3 Sweepstakes

T#:27105146

Part#: 11787589121

Special Order: No Guaranteed ETA

Sale - Save 8% $ 118.99

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

$ 108.89 USD

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Sale - Save 8%

$ 118.99

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

$ 108.89 USD

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Front Oxygen Sensor - Bank 2 Pre-Cat

10X Entries Into Our F80 M3 Sweepstakes

T#:55497441

Part#: 11787558087

Ships in 10 Business Days

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 - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:56291060

Part#: 11787548961

Ships in 10 Business Days

Sale - Save 10% $ 65.99

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

$ 59.39 USD

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$ 65.99

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

$ 59.39 USD

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Oxygen Sensor Kit - F30/31 N47, E70 M57

10X Entries Into Our F80 M3 Sweepstakes

T#:55569520

Part#: 13628589844KT2

Ships on Nov 10, 2026

Sale - Save 15% $ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 658.84 USD

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$ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 658.84 USD

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Oxygen sensors are used by the vehicle computer to adjust the air/fuel ratio and test vehicle emissions. This kit includes both rear Sensors.

E9X M3 Oxygen Sensor - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:57267803

Part#: 11787537984

Ships on Jan 11, 2027

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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Oxygen Sensor

10X Entries Into Our F80 M3 Sweepstakes

T#:56001972

Part#: 11787596924

Ships on Jan 11, 2027

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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Oxygen Sensor - Front Or Rear Manifold

10X Entries Into Our F80 M3 Sweepstakes

T#:56797107

Part#: 11787523434

Ships on Jan 11, 2027

Sale - Save 10% $ 119.99

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

$ 107.99 USD

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$ 119.99

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

$ 107.99 USD

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Rear Oxygen Sensor - Bank 1 Post-Cat

10X Entries Into Our F80 M3 Sweepstakes

T#:57340375

Part#: 11787545074

Ships on Jan 11, 2027

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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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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Oxygen Sensor - Priced Each

10X Entries Into Our F80 M3 Sweepstakes

T#:56869516

Part#: 11787576673

Ships on Jan 11, 2027

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
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$ 98.99 USD

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Keep your MINI / BMW mileage up and running correctly

E9X M3 Oxygen Sensor - Black

10X Entries Into Our F80 M3 Sweepstakes

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

10X Entries Into Our F80 M3 Sweepstakes

T#:54780515

Part#: 11787558055

Ships on Nov 10, 2026

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
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$ 89.99 USD

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

10X Entries Into Our F80 M3 Sweepstakes

T#:47439371

Part#: 02SB1815

Ships on May 21, 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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