Left Oxygen Sensor for 2019-2021 BMW M2 & More - Walker 350-35118

Walker Products 350-35118 left oxygen sensor for the 2019-2021 BMW M2 6-cylinder 3.0L and other vehicles measures the oxygen in the exhaust gas to show how efficiently the engine is burning fuel. It is manufactured for its specific application and fitment position, and it gives the ECU the diagnostic feedback it requires.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Monitors exhaust gases to help reduce pollutants
• Electrodes made of a gas-permeable platinum layer
• Measures oxygen levels so the air-fuel ratio can be fine-tuned, which supports fuel economy
• 5-W wide-band design

Quick facts

• Part: Walker Products 350-35118 oxygen sensor
• Fits: 2019-2021 BMW M2 6-cylinder 3.0L and other vehicles
• Position: Upstream, upstream left
• Condition: New

Rough running, higher fuel use or a lit malfunction indicator light can mean this sensor is worn or failing, though a damaged wiring harness or connector could be behind them as well, so inspect both for physical damage before you replace the sensor.

Fits

This oxygen sensor is a direct-fit replacement for the 2019-2021 BMW M2 6-cylinder 3.0L, the 2015-2020 BMW M4 6-cylinder 3.0L and the 2015-2018 BMW M3 6-cylinder 3.0L. Each takes one in this position. This listing is a single sensor, and a sensor for another position is a separate part.

Specifications