Bosch 17098 Oxygen Sensor - Upstream or Upstream Front

Overview of Bosch Actual OE Oxygen Sensor 17098

The Bosch Actual OE Oxygen Sensor 17098 is designed specifically for select BMW models, including the 1 Series M, 128i, 135i, and various 3 and 5 Series vehicles. 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 328i, 335i, X3, and Z4
• Wide-band sensor type for precise air-fuel ratio measurement
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 52.6-inch wiring harness with 5 wires and oblong male connector
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with universal OE quality

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 sensor performance and fitment. This product line focuses on delivering precise emissions control components that maintain factory-level accuracy and durability. The 17098 sensor is part of this line, ensuring compatibility and quality for BMW vehicles requiring a specific fit oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, enabling the engine control unit to adjust fuel delivery more quickly. The wide-band sensor type offers a broader measurement range compared to narrow-band sensors, improving fuel efficiency and emissions control. The sensor’s metal housing and steel finish provide resistance to harsh under-hood conditions. With a 52.6-inch wiring harness and a male oblong connector, installation is straightforward on compatible BMW models. The threaded mounting with an 18 mm diameter and 22 mm hex size ensures a secure fit without the need for additional mounting brackets.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for BMW 1 Series M, 128i, 135i, 3 Series, 5 Series, X3, and Z4 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 precise air-fuel ratio data
• Eliminates check engine light codes related to oxygen sensor malfunction

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s factory specifications. The sensor is a direct replacement and does not include a mounting bracket, so use the existing mounting point. Properly torque the sensor to avoid damage to the threads or sensor housing.

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 17098 is manufactured to meet OEM standards for fit, form, and function. Bosch provides a standard replacement grade sensor designed for durability and consistent performance. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure reliability in emissions control applications.