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BMW 325i Emission Control Sensors
Emission control sensors are a popular pick among BMW 325i owners, covering model years 1986–2013 with options ranging from oxygen sensors and mass air flow sensors to air/fuel ratio and ignition knock sensors. Select your year above and we'll show only the emission control sensors that fit your BMW 325i. 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
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What's here for your BMW 325i
- Oxygen sensors — including manifold, rear, and direct-fit OE replacement styles
- Mass air flow sensors — direct-fit and remanufactured options
- Air/fuel ratio sensors — OE replacement and universal fitment types
- Ignition knock (detonation) sensors — direct-fit replacements with flange and gasket configurations
The widest selection here comes from DENSO, Walker Products, Bosch, and Delphi. Other categories BMW 325i owners shop for: BMW 325i Springs and Suspension Parts, BMW 325i Shocks and Struts and BMW 325i Brake Pads and Shoes, or browse all BMW 325i parts and accessories.