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Emissions System

Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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Performance Oil Separator Kit - M52/S52
Performance Oil Separator Kit - M52/S52
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:51356040
Part#: 059015LA02KT2KT
Ships on Nov 2, 2026
New Item
Sale - Save 19% $ 104.99

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

$ 84.77 USD
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Sale - Save 19%
$ 104.99

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05-03-2026

$ 84.77 USD
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On M52/S52-equipped BMWs, the factory crankcase ventilation (CCV) system is a notorious weak link. Between brittle plastic corrugated hoses that crumble from heat soak and an internal cyclone diaphragm prone to tearing, a failing CCV leads to massive oil consumption, vacuum leaks, and that dreaded "howling" whistle.

This kit addresses these issues with all new components and hardware. Both oil separator hoses, the cyclone separator itself, the mounting grommet, and the retaining bolts are included. Servicing this system is guaranteed to restore performance lost as a result of worn CCV components.

Kit includes:

Cyclone Separator/Crankcase Pressure Regulator Valve High Performance Silicone Breather Hose Return Hose Mounting Grommet Hex Bolt (3)

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Oil Separator kit - N63
Oil Separator kit - N63
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56291074
Part#: 11158636540KT2
Ships in 4 Business Days
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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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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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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
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$ 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.
Secondary Air Injection Pump
Secondary Air Injection Pump
Dorman - Corporate Logo
T#:56110341
Part#: 306-006
Ships in 2 Business Days
New Item
$ 427.99

This product was last offered at the strikethrough price on
07-17-2026

$ 322.99 USD
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$ 322.99 USD
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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
Ships in 2 Business Days
New Item
$ 366.99

This product was last offered at the strikethrough price on
08-31-2026

$ 296.99 USD
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$ 296.99 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.
Oil Separator Vent Hose
Oil Separator Vent Hose
Burgaflex - Corporate Logo
T#:57725199
Part#: 11617522933
Ships in 9 Business Days
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$ 13.99 USD
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$ 13.99 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.
Crankcase Ventilation Refresh Kit
Crankcase Ventilation Refresh Kit
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:57543744
Part#: 11158647962KT2
In Stock at Vendor
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$ 265.99 USD
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$ 265.99 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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Vent Hose - Crankcase-Ventilation / Oil Separator
Vent Hose - Crankcase-Ventilation / Oil Separator
Burgaflex - Corporate Logo
T#:57725180
Part#: 11151740393
Ships on Sep 24, 2026
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$ 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.
Crankcase Ventilation Connecting Pipe - Cylinders 1-4
Crankcase Ventilation Connecting Pipe - Cylinders 1-4
Burgaflex - Corporate Logo
T#:57725182
Part#: 11157646086
Ships on Sep 24, 2026
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$ 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.
Engine Breather Hose
Engine Breather Hose
Burgaflex - Corporate Logo
T#:57725177
Part#: 11157522931
Ships on Sep 24, 2026
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$ 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.
CCV Hose
CCV Hose
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:51391238
Part#: 11127850244
In Stock
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Sale - Save 20% $ 99.99

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

$ 79.99 USD
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$ 99.99

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

$ 79.99 USD
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Oil Separator Vent Hose
Oil Separator Vent Hose
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:53326231
Part#: 11617522933
In Stock
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Sale - Save 50% $ 22.99

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

$ 11.50 USD
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$ 22.99

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Vacuum Pipe
Vacuum Pipe
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:52586629
Part#: 11157603816
In Stock
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Sale - Save 20% $ 29.99

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

$ 23.99 USD
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$ 29.99

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$ 23.99 USD
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Oxygen Sensor Kit - F30/31 N47, E70 M57
Oxygen Sensor Kit - F30/31 N47, E70 M57
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:55569520
Part#: 13628589844KT2
Ships on Nov 16, 2026
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Sale - Save 10% $ 770.99

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

$ 693.88 USD
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Sale - Save 10%
$ 770.99

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$ 693.88 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
Front Oxygen Sensor - Bank 2 Pre-Cat
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:55497441
Part#: 11787558087
Ships on Nov 16, 2026
New Item
$ 109.99 USD
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$ 109.99 USD
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Oxygen Sensor - Priced Each
Oxygen Sensor - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56291060
Part#: 11787548961
Ships on Nov 16, 2026
New Item
$ 65.99 USD
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$ 65.99 USD
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Oxygen Sensor
Oxygen Sensor
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56001972
Part#: 11787596924
Ships on Nov 19, 2026
New Item
$ 125.99 USD
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$ 125.99 USD
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Oxygen Sensor - Priced Each
Oxygen Sensor - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56869516
Part#: 11787576673
Ships on Dec 14, 2026
New Item
$ 109.99 USD
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$ 109.99 USD
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Keep your MINI / BMW mileage up and running correctly
Oxygen Sensor - Front Or Rear Manifold
Oxygen Sensor - Front Or Rear Manifold
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:56797107
Part#: 11787523434
Ships on Dec 14, 2026
New Item
$ 119.99 USD
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$ 119.99 USD
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E70 Return Pipe
E70 Return Pipe
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:52551447
Part#: 11537806706
In Stock
New Item
Sale - Save 20% $ 129.99

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

$ 103.99 USD
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Sale - Save 20%
$ 129.99

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

$ 103.99 USD
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Rear Oxygen Sensor - Bank 1 Post-Cat
Rear Oxygen Sensor - Bank 1 Post-Cat
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:57340375
Part#: 11787545074
Ships on Dec 29, 2026
New Item
$ 79.99 USD
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$ 79.99 USD
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E9X M3 Oxygen Sensor - Priced Each
E9X M3 Oxygen Sensor - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:57267803
Part#: 11787537984
Ships on Dec 29, 2026
New Item
$ 79.99 USD
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$ 79.99 USD
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Front Oxygen Sensor - Bank 1 Pre-Cat
Front Oxygen Sensor - Bank 1 Pre-Cat
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:54780515
Part#: 11787558055
Ships on Nov 16, 2026
New Item
$ 99.99 USD
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$ 99.99 USD
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Crank Case Ventilation Valve - Priced Each
Crank Case Ventilation Valve - Priced Each
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:53326230
Part#: 11158647299
In Stock
New Item
Sale - Save 20% $ 80.99

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

$ 64.79 USD
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Sale - Save 20%
$ 80.99

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

$ 64.79 USD
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