Emissions System

S55 Silicone Crankcase Vent Hose (11127850244)

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T#:57797979

Part#: 018465LA02

Ships on Mar 16, 2027

$ 99.99 USD

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$ 99.99 USD

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Oil Separator kit - N63

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#:56291074

Part#: 11158636540KT2

In Stock

$ 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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Burgaflex N52 Engine Breather Hose - 11157522931 - E9x, E60, E61 ...

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T#:57725177

Part#: 11157522931

In Stock

$ 52.99 USD

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$ 52.99 USD

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Maintain peak engine health and keep your crankcase ventilation system operating seamlessly with this high-grade engine breather hose from Burgaflex.

Bleeder Valve With Gasket

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T#:59587533

Part#: 11127809512

Ships on Jan 26, 2027

$ 42.99 USD

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$ 42.99 USD

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Rear Oxygen Sensor Set - N52, N54

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#: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.

Burgaflex N63 Crankcase Ventilation Connecting Pipe (CCV) - Cylinders...

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T#:57725182

Part#: 11157646086

In Stock

$ 76.99 USD

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$ 76.99 USD

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Keep your performance engine running cleanly and efficiently with the Burgaflex Crankcase Ventilation Connecting Pipe for Cylinders 1-4.

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

In Stock

$ 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.

Crankcase Ventilation Refresh Kit

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#:57543744

Part#: 11158647962KT2

In Stock

$ 265.99

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

$ 264.99 USD

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$ 264.99 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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Burgaflex M52 S52 Vent Hose - Crankcase-Ventilation / Oil Separator -...

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T#:57725180

Part#: 11151740393

In Stock

$ 5.99 USD

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$ 5.99 USD

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Maintain your engine's operational integrity and keep vacuum leaks at bay with this essential replacement vent hose from Burgaflex.

Front Oxygen Sensor Set - E9x, E82, E88, Z4

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#: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

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

$ 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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Rein N62 Pressure Regulator Valve Repair Kit - 11127547058 - E60, E63...

2X 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#:55821694

Part#: 11127547058

Ships in 3 Business Days

$ 16.99 USD

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$ 16.99 USD

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This Rein Automotive repair kit allows you to service the internal components of the crankcase breather valve independently. Instead of replacing the entire, costly valve cover or manifold assembly, this kit provides the exact wear items required to rebuild the factory housing back to original operating specifications. All components are manufactured to strict OE tolerances. The diaphragm is molded from premium, oil-resistant elastomers engineered to withstand prolonged exposure to aggressive synthetic lubricants, fuel vapors, and extreme under-hood heat cycles without losing its elasticity or sealing profile.

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Burgaflex N52 Oil Separator Vent Hose (CCV) - 11617522933 - E9x, E60,...

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T#:57725199

Part#: 11617522933

Ships in 9 Business Days

$ 20.99 USD

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$ 20.99 USD

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The Burgaflex Oil Separator Vent Hose is built to high engineering standards to withstand the harsh thermal environments of a hard-driven engine bay.

Genuine BMW N20 Crankcase Vent Pipe & Hardware Kit (CCV) - m6x16pcvKT...

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T#:55281771

Part#: M6X16PCVKT

Ships in 1-2 days

$ 55.82 USD

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$ 55.82 USD

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Keep your Ultimate Driving Machine performing at its peak with this Genuine BMW Crankcase Breather Hose and Hardware Kit.

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.

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 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 - 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.

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 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 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 - 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.

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Sub-Categories

S55 Silicone Crankcase Vent Hose (11127850244)

Oil Separator kit - N63

Burgaflex N52 Engine Breather Hose - 11157522931 - E9x, E60, E61 ...

Bleeder Valve With Gasket

Rear Oxygen Sensor Set - N52, N54

Burgaflex N63 Crankcase Ventilation Connecting Pipe (CCV) - Cylinders...

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

Crankcase Ventilation Refresh Kit

Burgaflex M52 S52 Vent Hose - Crankcase-Ventilation / Oil Separator -...

Front Oxygen Sensor Set - E9x, E82, E88, Z4

Bosch Oxygen Sensors - Bank 1 And 2 Pre-Cat - N52

Rein N62 Pressure Regulator Valve Repair Kit - 11127547058 - E60, E63...

Burgaflex N52 Oil Separator Vent Hose (CCV) - 11617522933 - E9x, E60,...

Genuine BMW N20 Crankcase Vent Pipe & Hardware Kit (CCV) - m6x16pcvKT...

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

Fuel Tank Vent Valve

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

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

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

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

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

Febi Oxygen Sensor - 11781743994 - E46 M3

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