Walker 250-23034 Oxygen Sensor - Upstream

Overview of Walker 250-23034 Oxygen Sensor for BMW Models

The Walker 250-23034 oxygen sensor is designed specifically for select BMW vehicles, including the 535i, 635CSi, M5, and M6 models. This heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for BMW 535i, 635CSi, M5, and M6
• Wiring harness length of 66.85 inches for precise installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall length of 70.39 inches for proper fitment

Walker Products OE Line and Its Relevance

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The OE line ensures that the 250-23034 oxygen sensor maintains compatibility and performance standards required by BMW vehicles, supporting emission control systems with precision and durability.

Detailed Product Description and Attributes

The Walker 250-23034 oxygen sensor features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. Its 3-wire design includes a radiused polygon male connector, ensuring a secure and precise electrical connection. The wiring harness length of 66.85 inches and overall length of 70.39 inches provide ample reach for installation in the specified BMW models. The sensor mounts via a threaded connection with an 18.0 mm diameter, facilitating straightforward replacement and compatibility with factory mounting points. The 20-gauge wire measurement supports consistent signal integrity for the vehicle’s emission control system.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for BMW 535i, 635CSi, M5, and M6
• Resolves engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing accurate exhaust gas readings
• Prevents check engine light triggers caused by sensor failure
• Supports efficient fuel consumption and engine operation

Installation Notes and Tips

When installing the Walker 250-23034 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. The wiring harness length and connector shape are designed for a direct fit on compatible BMW models, minimizing the need for modifications.

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 250-23034 oxygen sensor undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.