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BMW 325xi Emission Control Sensors
This page brings together emission control sensors for the BMW 325xi covering model years 2000–2006, including oxygen sensors, mass air flow sensors, air/fuel ratio sensors, and ignition knock sensors. Select your year above and we'll show only the emission control sensors that fit your BMW 325xi. Fitment is checked against our vehicle data for every part listed.
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DENSO 234-4201 Universal Heated Oxygen Sensor 4-Wire 11.77" Lead
Part: 234-4201
Vehicle Specific
$84.98
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NGK 25613 Oxygen Sensor, 4-Wire Heated Narrow Band O2 Sensor, 18mm
Part: 25613
Vehicle Specific
$91.68
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NGK 24333 Wideband Oxygen Sensor 5-Wire Air/Fuel Ratio Sensor M18x1.5
Part: 24333
Vehicle Specific
$98.38
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Representative Photo, actual item may vary
NGK 24322 Wideband Air/Fuel Ratio Oxygen Sensor, 5-Wire, M18x1.5
Part: 24322
Vehicle Specific
$126.01
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What's here for your BMW 325xi
- Oxygen sensors — direct-fit and OE replacement styles, including manifold-position fitments
- Mass air flow sensors — OE replacement and remanufactured options
- Air/fuel ratio sensors — direct-fit replacements designed to match factory specifications
- Ignition knock (detonation) sensors — direct-fit and universal configurations
The widest selection here comes from DENSO, Walker Products, Bosch, and Spectra, covering a broad range of positions and fitment styles for the 325xi. Other categories BMW 325xi owners shop for: BMW 325xi Springs and Suspension Parts, BMW 325xi Shocks and Struts and BMW 325xi Exterior Lights, or browse all BMW 325xi parts and accessories.