Oxygen Sensor for 1979-1983 BMW 320i & More - Walker 350-31040

Walker Products 350-31040 oxygen sensor for the 1979 BMW 320i 4-cylinder 2.0L, the 1980-1983 320i 4-cylinder 1.8L and other vehicles measures the oxygen content of the exhaust gas. The Walker Products oxygen sensor uses that reading to monitor the air-fuel ratio and combustion efficiency.

• Coating protects the electrode surfaces from combustion residue and particulates in the exhaust gases
• Monitors the exhaust gases to help reduce pollutants
• Oxygen readings let the air-fuel mixture be fine-tuned, which supports fuel economy
• Electrodes made with a gas-permeable platinum layer
• Made for its specific application and fitment position, with the diagnostic feedback the ECU requires

Quick facts

• Part: Walker Products 350-31040 oxygen sensor
• Fits: the 1979 BMW 320i 4-cylinder 2.0L, the 1980-1983 320i 4-cylinder 1.8L and other vehicles
• Position: Upstream, downstream
• Condition: New

A failing oxygen sensor can show up as poor engine running, higher fuel consumption or a lit malfunction indicator light. Before you replace the sensor, look over its wiring harness and connector for physical damage, since damage there could be the real cause.

Fits

It is listed for a wide range of BMW models and other makes, such as the 1982-1987 BMW 528e 6-cylinder 2.7L and the 1986-1987 Saab 900 4-cylinder 2.0L. This listing is one sensor, and the fitment shows a quantity of one per car.

Specifications