If your engine is tossing you a oxygen sensor check engine light, replace it with this unit. The O2 sensor measures the amount of unburned fuel in the exhaust pipe to adjust fuel mapping for less emissions and better fuel economy. A quality part made to exact factory specs from NTK.
When malfunctioning, your MPG and performance can suffer. Replaced fairly easily, you can restore your performance and mileage quickly. Put some anti seize on the threads to prevent it from becoming a permanent part of the exhaust.
The upstream oxygen sensor is located in the exhaust manifolds, changing both oxygen sensors at the same time is recommended but is not required.
Regularly scheduled maintenance as these tend to fail slowly.
This Part Fits the Following Vehicles
|BMW||Z3||M Coupe||S52 3.2L|
|BMW||Z3||M Coupe||S54 3.2L|
|BMW||Z3||M Roadster||S52 3.2L|
|BMW||Z3||M Roadster||S54 3.2L|