Bosch 13477 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for BMW and Land Rover Vehicles

The Bosch Actual OE Oxygen Sensor 13477 is designed to provide precise air-fuel mixture readings for select BMW and Land Rover models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for BMW and Land Rover models including 320i, 328i, 530i, Range Rover, and X5
• Heated narrow-band sensor type for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 8.9-inch wiring harness with 4-pin female connector
• 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, ensuring compatibility and performance that align with factory standards. This product line focuses on delivering precise sensor readings and durability, making it suitable for specific vehicle applications such as BMW and Land Rover models listed.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level data to the engine control unit. The sensor has a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for installation using standard tools. The wiring harness length is 8.9 inches, terminating in a 4-pin female round connector, ensuring a secure and specific fit. The overall length of the sensor is 12.6 inches, with a sealing surface to connector length of 11.4 inches. Constructed with a metal housing finished in steel, this sensor is built to withstand harsh engine environments.

Compatible Vehicles and Common Applications

• BMW 320i, 323Ci, 325i, 328i, 330i, 525i, 528i, 530i, 540i, 750iL, 850Ci, M5, Z3, Z4, Z8
• Land Rover Range Rover, X3, X5
• Used to monitor and regulate exhaust emissions
• Helps maintain fuel efficiency and engine performance
• Replaces faulty or worn oxygen sensors causing engine issues

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use a 22 mm oxygen sensor socket for proper installation
• Verify connector compatibility with the vehicle’s wiring harness
• Do not overtighten; follow manufacturer torque specifications
• Check for exhaust leaks after installation to ensure sensor accuracy

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, providing reliable performance and durability. This sensor is a standard replacement part designed to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects. Always consult Bosch or your parts provider for warranty information related to part number 13477.