Walker 350-35002 Oxygen Sensor - Upstream or Upstream Rear

Overview of Walker 350-35002 Oxygen Sensor for BMW Models

The Walker 350-35002 oxygen sensor is designed specifically for select BMW vehicles, including the 1 Series M, 135i, 335i variants, 535i models, X6, and Z4. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for BMW 1 Series M, 135i, 335i, 535i, X6, and Z4 models
• 44.8-inch wiring harness length with 5 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 48.35 inches for proper installation

Detailed Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide quicker warm-up times, improving emissions control during cold starts. The 5-wire configuration and 20 gauge wire ensure reliable signal transmission and durability. The 44.8-inch wiring harness length offers flexibility for installation in tight engine compartments. The sensor mounts via a threaded connection with an 18.0 mm diameter, compatible with the specified BMW models. The radiused polygon male connector is designed for a secure and precise fit, reducing the risk of connection issues.

Walker Products Aftermarket Line Information

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of their sensor lineup, focusing on durability and accurate emissions feedback. The product line supports specific vehicle applications, ensuring compatibility and performance tailored to the needs of BMW engines.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture adjustment
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing precise emissions data
• Reduces harmful exhaust emissions by maintaining optimal combustion
• Prevents engine performance problems caused by faulty sensor readings

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and install the Walker 350-35002 oxygen sensor securely by threading it into place. Verify the radiused polygon male connector is fully seated to prevent electrical issues. Follow BMW-specific torque specifications for mounting to avoid damage. Inspect wiring harness routing to prevent contact with hot or moving parts.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for reliable performance. While specific warranty details for part number 350-35002 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures confidence in the sensor’s durability and function within the specified BMW models.