MY GARAGE
Select Vehicle
BMW 545i Emission Control Sensors
This page brings together emission control sensors for the BMW 545i covering model years 2003–2006, including oxygen sensors, mass air flow sensors, and air/fuel ratio sensors among other types. Select your year above and we'll show only the emission control sensors that fit your BMW 545i. Fitment is checked against our vehicle data for every part listed.
1 - 15 of 15 results
Best Seller
Free Shipping
In Stock (10+)
Best Seller
Free Shipping
In Stock (10+)
Best Seller
Free Shipping
In Stock (10+)
Free Shipping
In Stock (10+)
Free Shipping
In Stock (10+)
Free Shipping
In Stock (10+)
Free Shipping
In Stock (10+)
Free Shipping
In Stock (10+)
Free Shipping
In Stock (10+)
Free Shipping
In Stock (6)
Free Shipping
NGK 24321 Wideband Air/Fuel Ratio Oxygen Sensor 5-Wire Direct Fit
Part: 24321
Vehicle Specific
$122.57
1 left at this price
Free Shipping
DENSO 234-4201 Universal Heated Oxygen Sensor 4-Wire 11.77" Lead
Part: 234-4201
Vehicle Specific
$84.98
In Stock (10+)
Free Shipping
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 545i
- Oxygen sensors — direct-fit and OE replacement styles
- Mass air flow sensors — including kit and replacement units
- Engine cylinder head temperature sensors
- Air/fuel ratio sensors
- Ignition knock (detonation) sensors
- Manifold absolute pressure sensors
The widest selection here comes from Walker Products, DENSO, Bosch, and NTK Oxygen Sensors, spanning direct-fit and OE replacement options across the sensor types listed above. Other categories BMW 545i owners shop for: BMW 545i Shocks and Struts, BMW 545i Valve Train Parts and BMW 545i Windshield Washer Parts, or browse all BMW 545i parts and accessories.