Bosch 17039 Oxygen Sensor - Upstream

Overview of Bosch Actual OE Oxygen Sensor 17039

The Bosch Actual OE Oxygen Sensor 17039 is designed specifically for select BMW models, including the 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and M3. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated oxygen sensor for faster activation
• Specific fit for BMW 3 Series and 5 Series models
• Wide-band sensor type for precise air-fuel ratio measurement
• 10.4-inch wiring harness length with included harness
• Threaded mounting type with 18 mm thread diameter
• Blade terminal type with male connector and terminal
• Oblong-shaped male connector for secure connection
• Standard replacement grade with metal housing and steel finish
• Overall length of 13.8 inches for proper fitment

Detailed Product Description

The Bosch Actual OE Oxygen Sensor 17039 is engineered as a direct replacement part for specific BMW vehicles, ensuring compatibility and reliable performance. Featuring a heated design, this sensor reaches operating temperature quickly, improving emissions control and fuel efficiency. The wide-band sensor technology provides accurate and continuous monitoring of the oxygen content in the exhaust gases, which is critical for the engine control unit to adjust the air-fuel mixture precisely.

This oxygen sensor includes a 10.4-inch wiring harness and a 12.6-inch length from the sealing surface to the end of the connector, allowing for proper installation without modifications. The sensor uses a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for easy removal and installation. The blade terminal type and oblong male connector ensure a secure electrical connection, while the metal housing and steel finish provide durability under harsh engine conditions.

About the Bosch Actual OE Oxygen Sensor Product Line

The Actual OE Oxygen Sensor line by Bosch is designed to meet original equipment specifications, providing a reliable and precise replacement for factory-installed sensors. This product line focuses on delivering sensors that maintain the integrity of the vehicle’s emissions system, ensuring compliance with environmental standards and supporting engine performance. The 17039 sensor is part of this line, offering a standard replacement grade that aligns with BMW’s original equipment requirements.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and prevent failed emissions tests
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch Actual OE Oxygen Sensor 17039, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup to avoid electrical issues. Thread the sensor carefully to prevent cross-threading, and tighten to manufacturer torque specifications. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Actual OE Oxygen Sensor 17039 undergoes rigorous testing to comply with OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors. Refer to Bosch or the vehicle manufacturer for exact warranty coverage.