Walker 250-25132 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-25132

The Walker Products OE Oxygen Sensor 250-25132 is designed specifically for select BMW models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 12.32-inch wiring harness and a 20-gauge wire measurement, tailored for accurate fitment and reliable operation.

• Heated oxygen sensor for improved response time
• Specific fit for BMW 3 Series, 4 Series, 5 Series, 6 Series, 7 Series, M Series, and X Series models
• 12.32-inch wiring harness length for proper installation
• Five-wire configuration with female connector
• 18mm thread diameter and 15.87-inch overall length

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor type to provide faster warm-up times, which helps reduce emissions during cold starts. The 20-gauge wire measurement and five-wire quantity ensure accurate signal transmission and durability. The female connector and 18mm thread diameter are designed for a specific fit, compatible with various BMW models including the 340i, 440i, 540i, 640i, 740i, M240i, X3, and X4. The overall length of 15.87 inches and wiring harness length of 12.32 inches facilitate proper installation without modifications.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed components. Using a Walker Products OE sensor helps maintain the emission control system's integrity on your BMW vehicle.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for efficient combustion
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by providing precise sensor data
• Reduces harmful emissions by maintaining proper sensor function
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid injury. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use the correct 18mm socket for sensor removal and installation. Verify the female connector matches the vehicle harness to avoid connection issues. Follow torque specifications recommended by BMW for proper sensor seating.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.