Walker 250-24613 Oxygen Sensor - Upstream

Overview of Walker 250-24613 Oxygen Sensor for BMW 525i

The Walker Products OE 250-24613 oxygen sensor is designed specifically for BMW 525i models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for BMW 525i vehicles
• 27.09-inch wiring harness length for flexible placement
• 20-gauge wire for reliable signal transmission
• Thread diameter of 18.0 mm with threaded mounting
• Radiused polygon female connector for secure connection
• Overall length of 30.63 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-24613 oxygen sensor is engineered to meet the exact specifications of BMW 525i models. This heated sensor uses a 4-wire design, which includes a heating element to bring the sensor to operating temperature quickly, improving emissions control during cold starts. The wiring harness length of 27.09 inches and overall length of 30.63 inches provide ample reach for installation without strain. The sensor’s 20-gauge wires ensure consistent electrical performance, while the radiused polygon female connector offers a secure and precise fit to the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and reliable sealing in the exhaust system.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24613 oxygen sensor is part of this line, ensuring compatibility and performance tailored to the BMW 525i. This line emphasizes precise fitment and durability, supporting emission control systems with components designed for long-term reliability.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring proper air-fuel mixture
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and responsiveness

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
• Verify connector type matches the vehicle’s wiring harness (radiused polygon female)
• Check wiring harness length (27.09 inches) for proper routing without tension
• Follow torque specifications recommended by BMW for sensor installation

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 250-24613 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.