Bosch 16809 Oxygen Sensor - Downstream

Overview of Bosch Actual OE Oxygen Sensor 16809

The Bosch Actual OE Oxygen Sensor 16809 is designed specifically for select BMW models, including the 323i, 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, and 530xi. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases precisely.

• Specific fit for BMW 3 and 5 Series models
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• 12-inch wiring harness length with 4-pin female connector
• Durable metal housing with steel finish
• Standard replacement grade for reliable performance
• Overall length of 15.4 inches for proper installation
• Includes wiring harness for direct replacement

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement solution for emission control sensors. This product line focuses on delivering precise sensor readings and compatibility with specific vehicle applications, such as the BMW 3 and 5 Series models listed. The 16809 sensor maintains the integrity of the vehicle’s emission system by using a narrow-band heated sensor design, which helps the engine control unit adjust fuel mixture efficiently.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows for faster warm-up times and more accurate oxygen level readings in the exhaust stream. The sensor is threaded with an 18 mm diameter and includes a 22 mm hex size for easy installation and removal. The wiring harness is 12 inches long and includes a 4-pin female connector with a round shape, ensuring a secure and specific fit for the designated BMW models. The sensor’s metal housing and steel finish provide durability under high-temperature conditions. With an overall length of 15.4 inches and a mounting type that is threaded, this sensor is designed for straightforward replacement without the need for additional mounting brackets.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for BMW 323i, 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, and 530xi
• Resolves engine performance issues related to faulty oxygen sensors
• Helps correct rough idling and poor fuel economy caused by sensor failure
• Reduces emissions by providing precise air-fuel mixture data
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch Actual OE Oxygen Sensor 16809, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. The sensor’s 4-pin female connector and 12-inch wiring harness length allow for a direct plug-and-play replacement without modifications. Thread the sensor carefully to avoid cross-threading, and tighten to manufacturer torque specifications. No mounting bracket is included, so use the existing mounting location on the vehicle.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The Actual OE Oxygen Sensor 16809 is a standard replacement grade part designed for reliable performance and durability. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to ensure customer confidence in product quality.