Walker 250-24024 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 250-24024 Oxygen Sensor for BMW Models

The Walker 250-24024 oxygen sensor is designed specifically for select BMW vehicles, including the 325i, 325is, 325iX, and 850CSi. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for BMW 325i, 325is, 325iX, and 850CSi models
• 22.36-inch wiring harness length for convenient installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure electrical connection
• Overall length of 25.91 inches for proper fitment
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description and Attributes

The Walker 250-24024 oxygen sensor is a heated sensor designed to provide fast warm-up times and accurate oxygen level readings. It features a 4-wire configuration, which includes two wires for the heating element and two for the sensor signal, ensuring stable and responsive feedback to the vehicle’s engine control unit. The sensor’s wiring harness length of 22.36 inches allows for flexible routing during installation, while the overall length of 25.91 inches ensures compatibility with the designated BMW models.

This oxygen sensor uses a threaded mounting type with an 18.0 mm thread diameter, making it easy to install in the factory sensor location. The connector is a radiused polygon shape with a female gender, designed to match the original equipment specifications for a secure and reliable electrical connection. The wire gauge of 20 provides a balance between flexibility and durability, maintaining signal quality under various operating conditions.

Walker Products OE Brand Line

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24024 oxygen sensor is part of this line, ensuring that it matches the fit, form, and function of the original sensor installed on BMW 325i, 325is, 325iX, and 850CSi models. This alignment with OE standards supports consistent vehicle performance and emissions compliance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps correct rough idling or engine hesitation caused by faulty sensors
• Supports proper catalytic converter function by maintaining emissions control
• Prevents increased emissions due to sensor degradation or failure

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use anti-seize compound on the sensor threads if not pre-applied
• Verify connector compatibility with the radiused polygon female plug
• Route wiring harness carefully to avoid contact with hot or moving parts
• Torque sensor to manufacturer specifications to prevent damage

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-24024 part number undergoes rigorous testing to comply with emissions regulations and OEM fitment requirements. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.