Walker 250-24310 Oxygen Sensor - Upstream

Overview of Walker 250-24310 Oxygen Sensor for BMW Models

The Walker 250-24310 oxygen sensor is designed specifically for select BMW vehicles, including the 325i, 325is, 325iX, and 528e. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for BMW 325i, 325is, 325iX, and 528e models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 21.77 inches and overall length of 25.31 inches
• Wire gauge measurement of 20 for reliable signal transmission

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts tailored to specific vehicle applications. The Walker Products OE line ensures that each sensor meets or exceeds factory specifications, offering a direct replacement solution for emission control components on BMW vehicles.

Product Features and Specifications

The Walker 250-24310 oxygen sensor features a heated sensor type that allows for quicker activation and more accurate readings during engine warm-up. Its 4-wire design supports both the sensor signal and heater circuit, improving responsiveness and durability. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector provides a precise and stable electrical connection, reducing the risk of signal loss or corrosion. With a wiring harness length of 21.77 inches and an overall length of 25.31 inches, this sensor is engineered to fit the specified BMW models without modification.

Common Applications and Issues Addressed

• Maintains proper air-fuel mixture for efficient combustion
• Helps reduce harmful emissions by monitoring oxygen levels
• Prevents engine performance issues related to faulty sensors
• Resolves check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration

Installation Notes and Tips

When installing the Walker 250-24310 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly torque the sensor to manufacturer specifications to prevent exhaust leaks. It is recommended to inspect wiring and connectors for damage or corrosion during replacement.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number 250-24310 undergoes rigorous testing to comply with OEM specifications for BMW vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity.