Walker 250-24445 Oxygen Sensor - Upstream

Overview of Walker 250-24445 Oxygen Sensor for BMW M3 and Z3

The Walker 250-24445 oxygen sensor is designed specifically for BMW M3 and Z3 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for BMW M3 and Z3 models
• 29.84-inch wiring harness length for flexible placement
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 33.39 inches for proper fitment

Detailed Features and Specifications

This Walker oxygen sensor (part number 250-24445) is engineered with a heated sensor element to ensure faster warm-up times and improved emission control under various operating conditions. The sensor includes four wires, allowing for precise signal transmission and heater control. Its 29.84-inch wiring harness length offers sufficient reach for installation in the engine bay of BMW M3 and Z3 vehicles. The connector features a radiused polygon shape with a male gender, designed to match the factory wiring harness for a secure and accurate fit. The threaded mounting type with an 18.0 mm diameter ensures compatibility with the original sensor location, maintaining OEM standards.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by BMW M3 and Z3 models. Using Walker Products OE parts helps maintain vehicle emission compliance and engine efficiency by providing reliable sensor performance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for optimal air-fuel mixture
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper sensor feedback
• Reduces harmful emissions by maintaining correct sensor operation
• Prevents engine performance issues caused by faulty sensor signals

Installation Notes and Tips

When installing the Walker 250-24445 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector matches the factory harness to avoid connection issues. Proper torque specifications should be followed to avoid sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and durability requirements. The 250-24445 part number is backed by Walker's quality assurance processes, ensuring reliable performance in BMW M3 and Z3 applications. Warranty details are provided by Walker and typically cover defects in materials and workmanship under normal use.