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BMW 645Ci Emission Control Sensors
This page brings together emission control sensors for the BMW 645Ci covering the 2004–2005 model years, including oxygen sensors, mass air flow sensors, and air/fuel ratio sensors in direct-fit and OE replacement forms. Select your year above and we'll show only the emission control sensors that fit your BMW 645Ci. Fitment is checked against our vehicle data for every part listed.
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NGK 24321 Wideband Air/Fuel Ratio Oxygen Sensor 5-Wire Direct Fit
Part: 24321
Vehicle Specific
$122.57
1 left at this price
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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 24316 Wideband Oxygen Sensor 5-Wire Air/Fuel Ratio Sensor M18x1.5
Part: 24316
Vehicle Specific
$108.48
4 left at this price
What's here for your BMW 645Ci
- Oxygen Sensors — direct-fit and universal OE replacement options
- Mass Air Flow Sensors — including kit configurations
- Air / Fuel Ratio Sensors — manifold-compatible, direct-fit styles
- Engine Cylinder Head Temperature Sensors
- Ignition Knock (Detonation) Sensors
- Manifold Absolute Pressure Sensors
The widest selection of emission control sensors for the BMW 645Ci here comes from DENSO, Walker Products, Bosch, and NTK Oxygen Sensors. Other categories BMW 645Ci owners shop for: BMW 645Ci Shocks and Struts, BMW 645Ci Exterior Lights and BMW 645Ci Flywheels, or browse all BMW 645Ci parts and accessories.