Find Parts That Fit Your Vehicle

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.

Sub-Categories

Sort By:
Oil Separator kit - N63
Oil Separator kit - N63
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56291074
Part#: 11158636540KT2
In Stock
New Item
$ 429.67 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 429.67 USD
Free Shipping on orders $49 and up
Add to Wish List
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
Show More Show Less
Engine Breather Hose
Engine Breather Hose
Burgaflex - Corporate Logo
T#:57725177
Part#: 11157522931
In Stock
New Item
$ 52.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 52.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Maintain peak engine health and keep your crankcase ventilation system operating seamlessly with this high-grade engine breather hose from Burgaflex.
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
In Stock
New Item
$ 366.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 366.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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
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
New Item
$ 342.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 342.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Extreme exhaust heat and carbon buildup degrade your factory oxygen sensors over time, sending lazy data to your DME and robbing you of performance.
Vent Hose - Crankcase-Ventilation / Oil Separator
Vent Hose - Crankcase-Ventilation / Oil Separator
Burgaflex - Corporate Logo
T#:57725180
Part#: 11151740393
In Stock
New Item
$ 5.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 5.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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
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
Free Shipping on orders $49 and up
Add to Wish List
$ 335.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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 Connecting Pipe - Cylinders 1-4
Crankcase Ventilation Connecting Pipe - Cylinders 1-4
Burgaflex - Corporate Logo
T#:57725182
Part#: 11157646086
In Stock
New Item
$ 76.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 76.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Keep your performance engine running cleanly and efficiently with the Burgaflex Crankcase Ventilation Connecting Pipe for Cylinders 1-4.
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
Free Shipping on orders $49 and up
Add to Wish List
$ 304.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
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
New Item
$ 265.99

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

$ 264.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 264.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
Oil Separator Vent Hose
Oil Separator Vent Hose
Burgaflex - Corporate Logo
T#:57725199
Part#: 11617522933
Ships in 8 Business Days
New Item
$ 20.99 USD
Free Shipping
Add to Wish List
$ 20.99 USD
Free Shipping
Add to Wish List
The Burgaflex Oil Separator Vent Hose is built to high engineering standards to withstand the harsh thermal environments of a hard-driven engine bay.
Oxygen Sensor
Oxygen Sensor
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55353609
Part#: 11787558054
Ships on Nov 3, 2026
New Item
$ 134.99 USD
Add to Wish List
$ 134.99 USD
Add to Wish List
This Meyle pre-catalytic broadband oxygen sensor is a direct replacement for your tired, slow-responding factory sensor.
Sensor, Exhaust Gas Temperature
Sensor, Exhaust Gas Temperature
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55461391
Part#: 3148000070
Ships on Nov 3, 2026
New Item
$ 60.99

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

$ 58.00 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 58.00 USD
Free Shipping on orders $49 and up
Add to Wish List
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
Show More Show Less
Meyle Exhaust Gas Temperature Sensor - G30 - B57
Meyle Exhaust Gas Temperature Sensor - G30 - B57
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55461387
Part#: 3148000073
Ships on Nov 3, 2026
New Item
$ 62.99

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

$ 59.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 59.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Your ECU relies heavily on the Exhaust Gas Temperature (EGT) sensor to monitor critical exhaust heat before things get out of hand.
MEYLE NOx Sensor - Urea Injection - BMW FXX, EXX
MEYLE NOx Sensor - Urea Injection - BMW FXX, EXX
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:52621848
Part#: MEX1581
Ships on Nov 3, 2026
New Item
$ 291.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 291.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Maintain your BMW’s clean-diesel performance with the MEYLE MEX1581 NOx Sensor.
Exhaust Pressure Sensor
Exhaust Pressure Sensor
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55030832
Part#: 3148010004
Back Ordered
New Item
$ 57.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 57.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Keep your Ultimate Driving Machine performing at its peak with this replacement BMW exhaust pressure sensor from Meyle.

Select Vehicle

BMW Mini
Clear Vehicle

Category

Brand

Price

$
$

Special Offers

Shipping