BMW 323i Emission Control Sensors
This page brings together emission control sensors for the BMW 323i across model years 1997–2011, covering oxygen sensors, mass air flow sensors, air/fuel ratio sensors, knock sensors, and throttle position sensors. Choose your model year above and this page keeps only the emission control sensors that fit your BMW 323i. Each listing is matched to our vehicle fitment data before it appears here.
NGK 24333 Wideband Oxygen Sensor 5-Wire Air/Fuel Ratio Sensor M18x1.5
Representative Photo, actual item may vary
NGK 24322 Wideband Air/Fuel Ratio Oxygen Sensor, 5-Wire, M18x1.5
Representative Photo, actual item may vary
URO 11537502525PRM Engine Cylinder Head Temperature Sensor Premium Replacement
What's here for your BMW 323i
- Oxygen sensors, including manifold-position direct-fit and OE replacement options
- Mass air flow sensors, available in direct-fit and remanufactured forms
- Air/fuel ratio sensors for precise mixture monitoring
- Ignition knock (detonation) sensors
- Throttle position sensors in direct-fit and universal configurations
The widest selection here comes from DENSO, Walker Products, Bosch, and Standard Motor Products, each offering a broad range of emission control sensors designed to fit the BMW 323i across its production years. Other categories BMW 323i owners shop for: BMW 323i Springs and Suspension Parts, BMW 323i Shocks and Struts and BMW 323i Manual Transmission Parts, or browse all BMW 323i parts and accessories.