Emissions System

Oil Separator kit - N63

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T#:56291074

Part#: 11158636540KT2

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$ 429.67 USD

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$ 429.67 USD

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If your BMW is burning oil, showing unmetered air faults, or suffering from degraded throttle response, a compromised breather system is usually the culprit. The N63 Crankcase Breather Package pairs Genuine BMW oil separators with OE tier Rein connecting pipes. Designed to restore factory level oil separation and sealed vacuum integrity across both cylinder banks

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Bleeder Valve With Gasket

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T#:59587533

Part#: 11127809512

Ships on Jan 28, 2027

$ 42.99 USD

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$ 42.99 USD

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Vacuum Pipe

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T#:52586629

Part#: 11157603816

In Stock

Sale - Save 7% $ 29.99

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

$ 27.89 USD

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Sale - Save 7%

$ 29.99

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

$ 27.89 USD

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Rear Oxygen Sensor Set - N52, N54

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T#:55353594

Part#: 11787545074/5KT2

In Stock

Sale - Save 3% $ 366.99

This product was last offered at the strikethrough price on
10-28-2026

$ 355.63 USD

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Sale - Save 3%

$ 366.99

This product was last offered at the strikethrough price on
10-28-2026

$ 355.63 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 ...

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55857772

Part#: 11787589475KT2

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$ 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

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:56110313

Part#: 11787558055KT

In Stock

Sale - Save 6% $ 307.99

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

$ 289.50 USD

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Sale - Save 6%

$ 307.99

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

$ 289.50 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 Set - E9x, E82, E88, Z4

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T#:55317713

Part#: BFR1/2O2SKT2

In Stock

Sale - Save 19% $ 400.99

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

$ 325.67 USD

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Sale - Save 19%

$ 400.99

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

$ 325.67 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

Crankcase Ventilation Refresh Kit

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T#:57543744

Part#: 11158647962KT2

In Stock

Sale - Save 21% $ 265.99

This product was last offered at the strikethrough price on
09-29-2026

$ 211.22 USD

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Sale - Save 21%

$ 265.99

This product was last offered at the strikethrough price on
09-29-2026

$ 211.22 USD

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Maintain optimal engine vacuum and prevent oil blow-by failures under hard driving with this complete Crankcase Ventilation Refresh Kit. Aged oil separator valves and heat stressed plastic hoses fail unexpectedly, leading to oil ingestion, loss of power, and damaged rear main or valve cover gaskets from excessive crankcase pressure buildup. Designed as a direct fit refresh, this kit ensures crisp throttle response, proper engine breathing, and total peace of mind on the street or track.

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Oxygen Sensor - Priced Each

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T#:56291060

Part#: 11787548961

In Stock

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

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Oxygen Sensor Kit - F30/31 N47, E70 M57

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T#:55569520

Part#: 13628589844KT2

Ships in 2 Business Days

Sale - Save 20% $ 770.99

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

$ 616.78 USD

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Sale - Save 20%

$ 770.99

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

$ 616.78 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.

Front Oxygen Sensor - Bank 2 Pre-Cat

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T#:55497441

Part#: 11787558087

Special Order: No Guaranteed ETA

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

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T#:56001972

Part#: 11787596924

Ships on Nov 27, 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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Oxygen Sensor - Front Or Rear Manifold

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T#:56797107

Part#: 11787523434

Ships on Nov 27, 2026

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

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T#:57340375

Part#: 11787545074

Ships on Nov 27, 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 Nov 27, 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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Oxygen Sensor - Priced Each

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T#:56869516

Part#: 11787576673

Ships on Nov 27, 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
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$ 98.99 USD

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Keep your MINI / BMW mileage up and running correctly

Oil Separator Vent Hose

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:53326231

Part#: 11617522933

In Stock

Sale - Save 21% $ 23.99

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

$ 18.99 USD

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$ 23.99

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

$ 18.99 USD

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Febi NOx Sensor - SCR-Type Catalytic Converter - 13627812528 - F3x, E...

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T#:56616356

Part#: 13627812528

Special Order: No Guaranteed ETA

$ 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.

Febi Oxygen Sensor - 11781743994 - E46 M3

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T#:56254778

Part#: 11781743994

Special Order: No Guaranteed ETA

$ 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.

Fuel Tank Vent Valve

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T#:56543996

Part#: 13907621174

Special Order: No Guaranteed ETA

$ 43.99 USD

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$ 43.99 USD

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Keep your BMW or MINI running at peak efficiency with this Febi Bilstein Fuel Tank Vent Valve.

Febi N47 N57 Exhaust Gas Cooler - 11718517724 - F02 740Ld xDrive, F25...

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T#:56471635

Part#: 11718517724

Special Order: No Guaranteed ETA

$ 496.99 USD

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$ 496.99 USD

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Keep your BMW’s engine running clean and operating within strict thermal tolerances with this replacement EGR cooler from Febi Bilstein.

Febi Oxygen Sensor - 11787836451 - E60 M5, E63 M6, E64 M6

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T#:56254780

Part#: 11787836451

Special Order: No Guaranteed ETA

$ 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.

Febi Upstream NOx Sensor - 13628589846 - E90, F3x, F25, E70

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T#:56254774

Part#: 13628589846

Special Order: No Guaranteed ETA

$ 312.99 USD

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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.

Febi M57 Exhaust Pressure Sensor - 13627808013 - E90 335d, E70 X5 X5 ...

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T#:56580196

Part#: 13627808013

Special Order: No Guaranteed ETA

$ 26.99 USD

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$ 26.99 USD

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This Febi Bilstein sensor provides robust thermal stability and signal consistency required for daily driving and high-load demands alike.

Febi Oxygen Sensor - 11787512973 - E39 M5, E39 540i, E38 740iL 750iL ...

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T#:56254844

Part#: 11787512973

Special Order: No Guaranteed ETA

$ 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.

E9X M3 Oxygen Sensor - Black

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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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E70 Return Pipe

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:52551447

Part#: 11537806706

In Stock

Sale - Save 18% $ 129.99

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

$ 106.39 USD

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Sale - Save 18%

$ 129.99

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

$ 106.39 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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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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Crank Case Ventilation Valve - Priced Each

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:53326230

Part#: 11158647299

In Stock

Sale - Save 8% $ 80.99

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

$ 74.69 USD

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Sale - Save 8%

$ 80.99

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

$ 74.69 USD

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Crank Case Vent Hose

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:58234541

Part#: 11157843151

Ships on Mar 16, 2027

Sale - Save 10% $ 33.99

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

$ 30.59 USD

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Sale - Save 10%

$ 33.99

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

$ 30.59 USD

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