Bosch 17447 Oxygen Sensor - Upstream, Upstream Front or Upstream Left

Overview of Bosch Actual OE Oxygen Sensor 17447

The Bosch Actual OE Oxygen Sensor 17447 is designed specifically for select BMW models, including the 535i, 535i xDrive, 535xi, 740i, 740Li, and X6. This wide-band oxygen sensor features a heated design and precise fitment to ensure accurate emissions control and optimal engine performance.

• Heated oxygen sensor for faster response times
• Specific fitment for BMW 535i, 535i xDrive, 535xi, 740i, 740Li, and X6 models
• 48.6-inch wiring harness length with included harness
• Blade terminal type with male connector and terminal gender
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Wide-band sensor type for accurate air-fuel ratio monitoring
• Durable metal housing with steel finish
• Standard replacement grade for reliable performance

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 for factory-installed sensors. This product line focuses on delivering precise sensor readings and compatibility with specific vehicle applications, such as the BMW 535i and 740i series. The 17447 sensor maintains the integrity of the vehicle’s emission control system by using quality materials and exact fitment standards.

Detailed Product Description

This Bosch oxygen sensor 17447 is a heated, wide-band sensor designed to provide accurate air-fuel mixture data to the engine control unit. The 5-wire configuration and 6 terminal quantity ensure reliable electrical connections, while the 48.6-inch wiring harness length allows for proper routing in the engine bay. The sensor’s metal housing and steel finish contribute to durability under high-temperature conditions. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools. The oblong-shaped male connector is designed for a secure and specific fit, reducing the risk of connection issues.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for BMW 535i and 740i models
• Resolves engine performance problems related to faulty oxygen sensors
• Helps correct rough idling and poor fuel economy
• Reduces emissions by ensuring proper air-fuel ratio monitoring
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch Actual OE Oxygen Sensor 17447, ensure the engine is cool 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. Avoid twisting or damaging the wiring harness during installation. No mounting bracket is included, so use the existing mounting point on the vehicle. Proper torque should be applied to the threaded sensor to prevent leaks.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and are tested for durability and performance. The Actual OE Oxygen Sensor 17447 is a standard replacement grade part designed to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components to ensure customer confidence in product reliability.