Walker 350-34180 Oxygen Sensor - Downstream or Upstream

Overview of Walker 350-34180 Oxygen Sensor for BMW Models

The Walker 350-34180 oxygen sensor is designed specifically for select BMW vehicles, including the 323i, 323is, 323ti, and Z3 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for BMW 323i, 323is, 323ti, and Z3 models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 13.31 inches and overall length of 16.85 inches
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34180) features a heated sensor type that allows for faster warm-up times and improved emissions control under various operating conditions. The sensor includes a 4-wire configuration, which supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 13.31 inches provides adequate reach for installation in the specified BMW models. The connector is a radiused polygon shape with a male gender, designed to fit securely and prevent disconnections. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with factory mounting points.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line offers a range of emission control components engineered to meet or exceed OEM specifications. This product line focuses on delivering reliable and precise sensors that maintain vehicle emissions compliance and engine efficiency. The 350-34180 oxygen sensor is part of this line, providing a direct replacement solution tailored for specific BMW models to ensure proper fit and function.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for BMW 323i, 323is, 323ti, and Z3
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor feedback to the engine control unit
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining correct combustion parameters

Installation Notes and Tips

When installing the Walker 350-34180 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for durability and performance. This sensor undergoes rigorous testing to ensure reliable operation in BMW 323i, 323is, 323ti, and Z3 models. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.