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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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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

$ 442.99 USD

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$ 442.99 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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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

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

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.

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

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

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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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

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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Qty

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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Meyle Oxygen Sensor - 11787558054 - E9x, E8x, E60, E61

5X 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#:55353609

Part#: 11787558054

Ships on Nov 20, 2026

$ 134.99 USD

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$ 134.99 USD

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This Meyle pre-catalytic broadband oxygen sensor is a direct replacement for your tired, slow-responding factory sensor.

Meyle Exhaust Gas Temperature Sensor - G30 - B57

5X 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#:55461387

Part#: 3148000073

Ships on Nov 20, 2026

$ 62.99

This product was last offered at the strikethrough price on
09-14-2026

$ 59.99 USD

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$ 59.99 USD

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Your ECU relies heavily on the Exhaust Gas Temperature (EGT) sensor to monitor critical exhaust heat before things get out of hand.

Sensor, Exhaust Gas Temperature

5X 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#:55461391

Part#: 3148000070

Ships on Nov 20, 2026

$ 60.99

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

$ 57.99 USD

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$ 57.99 USD

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If your turbocharged Ultimate Driving Machine isn’t getting real-time, accurate temperature readouts from the exhaust stream, the ECU instantly pulls timing, limits boost, and drops your car into limp mode

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Meyle N47 N57 Exhaust Pressure Sensor - 3148010004 - F3x, F10 5 Serie...

5X 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#:55030832

Part#: 3148010004

Ships on Dec 22, 2026

$ 57.99 USD

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$ 57.99 USD

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Keep your Ultimate Driving Machine performing at its peak with this replacement BMW exhaust pressure sensor from Meyle.

Meyle NOx Sensor - Urea Injection - MEX1581 - E90, F3x, F10 5 Series,...

5X 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#:52621848

Part#: MEX1581

Ships on Nov 20, 2026

$ 291.99 USD

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$ 291.99 USD

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Maintain your BMW’s clean-diesel performance with the MEYLE MEX1581 NOx Sensor.

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