Bosch 17290 Oxygen Sensor

Overview of Bosch Actual OE Oxygen Sensor 17290

The Bosch Actual OE Oxygen Sensor 17290 is designed specifically for select BMW models, including the 325Ci, 325i, 545i, 645Ci, 745i, 745Li, 760i, and 760Li. 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 325Ci, 325i, 545i, 645Ci, 745i, 745Li, 760i, and 760Li
• Wide-band sensor type for precise air-fuel ratio monitoring
• 39.6-inch wiring harness with oblong male connector
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Standard replacement grade with metal housing and steel finish
• Includes wiring harness with 5 wires and 6 terminals (blade type, male)

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable and consistent sensor performance. This product line focuses on delivering precise emissions control components that match the fit and function of factory-installed parts. The 17290 oxygen sensor is part of this line, ensuring compatibility and durability for BMW vehicles requiring a specific fit sensor.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, enabling quicker sensor activation and improved engine management. The wide-band sensor type allows for accurate measurement of oxygen levels in the exhaust, which is critical for maintaining the correct air-fuel ratio. The sensor includes a 39.6-inch wiring harness with an oblong male connector and blade-type terminals, facilitating straightforward installation and secure electrical connections. Its metal housing and steel finish provide durability under high-temperature conditions. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures a precise and secure fit in the exhaust system.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for BMW 325Ci, 325i, 545i, 645Ci, 745i, 745Li, 760i, and 760Li models
• 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 accurate data to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation 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 specifications. Avoid damaging the sensor tip during handling. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 17290 is manufactured to meet OEM standards for fit, form, and function. Bosch provides a standard replacement grade sensor designed for reliable operation and durability. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.