Walker 250-241179 Oxygen Sensor - Downstream or Downstream Left

Overview of Walker 250-241179 Oxygen Sensor for BMW M2, M3, M4

The Walker 250-241179 oxygen sensor is designed specifically for BMW M2, M3, and M4 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated sensor type for faster response times
• Specific fit for BMW M2, M3, and M4 models
• 23.42-inch wiring harness length for convenient installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 26.57 inches for proper fitment

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. Walker Products OE sensors are engineered to meet or exceed OEM specifications, ensuring compatibility and durability for specific vehicle applications like the BMW M2, M3, and M4. This product line emphasizes precise fitment and reliable performance in emission control systems.

Product Description and Technical Specifications

The Walker 250-241179 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. The sensor includes a 23.42-inch wiring harness with 20 gauge wires and a total of four wires, which supports accurate signal transmission and heater circuit functionality. The radiused polygon male connector ensures a secure and proper connection to the vehicle’s wiring harness. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. The overall length of 26.57 inches is designed to fit the specific layout of BMW M2, M3, and M4 exhaust assemblies.

Common Applications and Issues Addressed

• Maintains accurate air-fuel ratio readings for efficient combustion
• Helps reduce harmful emissions by providing precise sensor data
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Supports proper operation of catalytic converters and emission systems

Installation Notes and Tips

When installing the Walker 250-241179 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon male connector aligns properly with the vehicle harness before securing. Avoid twisting or stretching the wiring harness during installation to maintain wire integrity. It is recommended to check for any exhaust leaks after installation to ensure sensor accuracy.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. This part number 250-241179 undergoes rigorous testing to ensure durability and reliable performance in BMW M2, M3, and M4 vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in product longevity.