Bosch 17272 Oxygen Sensor - Upstream

Overview of Bosch Actual OE Oxygen Sensor 17272

The Bosch Actual OE Oxygen Sensor 17272 is designed specifically for select BMW models, including the 228i, 320i, 328i, 428i, 528i, X1, X3, X4, X5, and Z4. 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 response times
• Specific fit for BMW models such as 320i, 328i xDrive, and 428i Gran Coupe
• Wide-band sensor type for precise air-fuel ratio measurement
• 12.8-inch wiring harness length with 5 wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish
• Includes wiring harness with rectangular male connector

Detailed Product Description

The Bosch Actual OE Oxygen Sensor 17272 is a standard replacement part engineered to meet OEM specifications for emission control systems in various BMW vehicles. Featuring a heated design, this sensor quickly reaches operating temperature, improving fuel efficiency and reducing emissions. 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 fuel injection precisely.

This oxygen sensor comes with a 12.8-inch wiring harness and five 18-gauge wires terminated with blade-type male terminals and a rectangular male connector, ensuring a secure and reliable electrical connection. The sensor is threaded with an 18 mm diameter and includes a 22 mm hex size for installation using standard tools. Its 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 provide direct replacement sensors that match the original equipment specifications. This ensures compatibility and performance consistency with the vehicle’s emission control system. The 17272 part number is part of this line, offering a precise fit and reliable operation for BMW models requiring a heated wide-band oxygen sensor.

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 pass vehicle emissions testing
• 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

• Ensure vehicle compatibility with Bosch part number 17272 before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; torque to manufacturer specifications
• Inspect wiring harness and connector for damage before installation
• Allow the sensor to reach operating temperature for accurate diagnostics

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 17272 to meet strict quality standards, ensuring reliable performance and durability. This sensor is a standard replacement part designed to match OEM specifications for BMW vehicles. Warranty coverage details should be confirmed with the point of purchase or Bosch directly.