Emissions System for MINI

Clear BMW chassis

Please ensure your correct model is selected

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.
Sort By:

O2 Sensor Bung and Plug
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:339000
Part#: TEN9949O2S
Ships in 6 Business Days
Starting at $ 12.95 USD
Free Shipping on orders $49 and up
Starting at $ 12.95 USD
Free Shipping on orders $49 and up
This weld-in bung allows an O2 sensor to be screwed into your exhaust system. It's required for custom exhaust systems, and is also useful for air/fuel ratio measurements when dyno testing.