Bosch 16808 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for BMW 323i, 525i, 525xi, 530i, 530xi

The Bosch Actual OE Oxygen Sensor 16808 is designed specifically for select BMW models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor provides accurate air-fuel mixture readings to maintain efficient combustion and reduce harmful emissions.

• Compatible with BMW 323i, 525i, 525xi, 530i, and 530xi models
• Part number 16808 for exact fit and function
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 14-inch wiring harness with 4-pin female connectors
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade for reliable performance

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for emission control systems. The 16808 sensor maintains the integrity of your BMW’s engine management system by delivering accurate oxygen level data to the ECU.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate readings. The sensor has a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for easy installation. The wiring harness is 14 inches long and includes four wires with female pin terminals and a round connector shape. The overall length from sealing surface to connector end is 16.1 inches, providing sufficient reach for proper placement. The sensor housing is made of metal with a steel finish, weighing approximately 0.21 pounds.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for BMW 323i, 525i, 525xi, 530i, and 530xi
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring proper combustion
• Reduces vehicle emissions to meet regulatory standards
• Prevents engine performance issues caused by faulty sensor data

Installation Notes and Tips

When installing the Bosch 16808 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match your vehicle’s specifications. Avoid over-tightening the threaded sensor to prevent damage. No mounting bracket is included, so use the existing mounting point on the exhaust system.

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 16808 to meet strict quality standards, ensuring reliable operation and durability. This sensor is a standard replacement part designed to match OEM specifications. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship.