Front Oxygen Sensor for 1998-1999 BMW 323is & More - Walker 350-34180

Walker Products 350-34180 front oxygen sensor for the 1998-1999 BMW 323is 6-cylinder 2.5L and other vehicles measures the oxygen in the exhaust gas. That reading lets the engine computer monitor the air-fuel ratio and combustion efficiency.

• Four-wire titania narrow-band design
• Electrodes with a gas-permeable platinum layer
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Oxygen-level readings that help fine-tune the air-fuel mixture and fuel economy
• Built for a specific application and fitment position, with the diagnostic feedback the ECU needs

Quick facts

• Part: Walker Products 350-34180 oxygen sensor
• Fits: the 1998-1999 BMW 323is 6-cylinder 2.5L and other vehicles
• Position: Upstream, downstream, downstream front
• Condition: New

A failing sensor can make the engine run poorly, raise fuel consumption and exhaust emissions, or turn on the malfunction indicator light. A damaged wiring harness or connector can be behind the same signs, so find the cause before buying a sensor.

Fits

This direct-fit sensor fits the 1998-1999 BMW 323is 6-cylinder 2.5L, the 1997-1998 BMW 323i 6-cylinder 2.5L and the 1997-1998 BMW Z3 6-cylinder 2.8L. A 1998-1999 BMW 323is 6-cylinder 2.5L takes one sensor, and this listing is one.

Specifications

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