An oxygen sensor, like the BMW 528i oxygen sensor, is an electronic mechanism that evaluates the ratio of oxygen in the liquid or gas being scrutinized. Gasoline engines, without the presence of oxygen, cannot burn gasoline without it; therefore a precise proportion of fuel and air should be preserved. Oxygen sensors can be found in the car’s exhaust manifold to intentionally monitor the leanness and richness of the air and fuel mix entering the engine.

Select Year Select Make

A rich mixture would result if the air is less than the ideal proportion and there is too much fuel to spare after the process of combustion resulting to risky exhaust emissions. There is a lean mixture, on the other hand, if there is excessive oxygen, which can lead to more nitrogen oxides. The consequences of a lean mixture involve engine damage and mediocre vehicle performance.

But since the oxygen sensor is situated in the exhaust system, it’s always exposed to the harmful consequences of all the processes and elements involved while fulfilling its task. And the wear of an oxygen sensor can be more provoked by using leaded gasoline. If you have damaged oxygen sensor, you should get replacement right away. By taking immediate action, you’ll be able to maintain your vehicle’s excellent performance.